Micro solutions to massive growth Market report: electronics sector lights up Indian economy
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Fastener + Fixing Technology Over the last three months the major talking point within the Indian fastener market has to have been the hectic two days at Fastener Fair India.
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astener + Fixing Technology Magazine had a stand at the show and both Jamie Mitchell, group publishing director, and Phil Matten, executive editor, reported that they have never seen a show so busy. In this issue there is a full report from Fastener Fair India and the co-located BLECH India exhibition. We have also Will Lowry invited exhibitors to send us their thoughts on the shows. Editor Also included in this issue is a technical article from Dr. Bill Eccles focussing on ‘self-loosening of threaded fasteners’. The article concentrates on the causes of self-loosening and what steps can be taken to help prevent loosening. Bill is an expert on bolted joint technology and I am looking forward to including more articles from him on important fastener related topics in future issues. It is through technical articles like Bill’s, as well as case studies and news from leading fastener technology suppliers, that we aim to highlight the importance of considering fastening technologies in design processes to help maximum cost reductions, improve products, as well as increase safety and performance. If there are any fastener topics that you would like to see highlighted in the magazine or if you have an queries about the fastener industry in general send me an email: editor@fastfixtechnology.com
Contents 10-11
First Fastener Fair India ‘total success’ Fastener Fair India - Mumbai report................................. 14-16 BLECH India 2011 reflects positive growth prospects BLECH India report................................................................ 16 What the exhibitors had to say… Exhibitors from Fastener Fair India + BLECH India give their thoughts on the shows.......................................... 18 Fastener Fair India ‘complete success’ for Dörken Dörken reports its experience of Fastener Fair India............ 20 Self-loosening of threaded fasteners Bill Eccles looks at the causes of self-loosening of threaded fasteners....................................................... 22-23 Offering fastening solutions An insight into Böllhoff Fastenings Pvt Ltd .......................... 24 ‘The longest structural multi grip in the world’ Ornit Blind Rivets launches the Ornilock M6527P rivet........ 25 Contributing to your success Rajesh Jain, MD at LPS Bossard, explains the company’s strategy for the future................................... 26 Product news Latest fastener product news..........................................28-30 Advertisers index................................................................ 30
4 Issue 2 July 2011 • www.fastfixtechnology.com
www.fastfixtechnology.com Group Publishing Director Jamie Mitchell info@fastfixtechnology.com Editor Will Lowry editor@fastfixtechnology.com Executive Editor Phil Matten Senior Advertising Executive Harry Whyte sales@fastfixtechnology.com Advertising Executive Claire Lake sales@fastfixtechnology.com
Disclaimer
Electronics light the way Focus on TR Fastenings capabilities in India.................... 10-11
New fastener Expo in Jiaxing 2011 Fastener Expo Jiaxing preview..................................... 13
Tel: +44 (0) 1727 814 400 Fax: +44 (0) 1727 831 033
Production Manager Andy Clow
Industry news Latest fastener industry news..............................................6-8
Las Vegas fastener expo reporting strong interest National Industrial Fastener & Mill Supply Expo preview...... 12
Part of the Mack Brooks Group Romeland House, Romeland Hill, St Albans, Hertfordshire, AL4 4ET, UK
14-16 22-23
The Publisher cannot be held responsible or, in any way, liable for errors or omissions, during input or printing of any material supplied or contained herein although the utmost care is taken to ensure that information contained is accurate and up to date. The Publisher also cannot be held liable for any claims made by advertisers or in contributions from individuals or companies submitted for inclusion within this publication. The opinions expressed are not necessarily those of the Editor or Fastener Fairs Limited.
Copyright Entire contents copyright © Fastener Fairs Limited 2011. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means without the prior permission of the publisher.
Precision parts forming machinery The cold former CF2N Type HILGELAND is specially qualified for the production of parts for the aerospace industry Preheating devices for hot forming (for example for Titanium or Inconel) Temperatures of wire parts in the machine between cut-off knife and wire infeed possible more than 900°C Minimum heat loss and high energy efficiency The wire temperature is exactly controlled by means of regulation technology
Even Titanium is not hard enough for our machines
The induction heating process is scale-free and requires no special wire coating Optional trimming station
Machines with induction heating is the best solution for aerospace Double blow can be switched to first or second die VIVA LAS VEGAS - NIFS / IFE – SHOW in LAS VEGAS From 19th – 21st Oct. 2011 WAFIOS Umformtechnik will join the National Industrial fastener & Mill Supply Expo in Las Vegas, USA.
Optional transport without gripper fingers for extremely short components
Talk with our experts at the show: Booth 1450 - 1550
High output for precise parts
Agent for North America and Canada BW Walden Group Phone +1 905 482 2659 Fax +1 905 482 2663 sales@bwgroupinc.com www.bwgroupinc.com
WAFIOS Umformtechnik GmbH Im Rehsiepen 35 42369 Wuppertal / Germany Phone +49 (202) 46 68-0 Fax +49 (202) 46 68-225 sales@wafios-umformtechnik.de www.wafios-umformtechnik.de
Hilgeland Kieserling MRP Nutap
Fastener + Fixing Technology
“German intelligence with Indian excellence” Kunuip, a newly launched venture between Universal Innovative Products GmbH and Kundan Fasteners aims to combine “German intelligence with Indian excellence”.
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r Harald Göttlich, CEO of uip ® in Germany, told Fastener + Fixing Technology: “Kunuip is proud to launch a formidable masterpiece in the fastening industry, which is engineered to perform over a wide spectrum of industries spanning construction, automobile, aerospace, defense, telecom, railways and appliances”. Available in varied sizes, the universal construction fastener technology delivers its impact with greater simplicity and German precision, Kunuip explains in its new brochure. It has been rigorously tested and validated in USA and manufactured by Kundan Industries Ltd with high precision and stringent quality standards and controls in India. Kundan today has a worldwide presence with over 500 people in various international offices and a strong dealer and sales network domestically. The Kunuip concept is to present a “a one-stop fix for most fastening substrates, which will be cost effective, but also less labour and skill intensive”. The joint venture represents, says Kunuip, “a strategic exchange of technique and skills” which “will raise the bar for consumer experience, competitive pricing and unmatched quality”.
Rivit establishes subsidiary in India Rivit Srl, based in Bologna, Italy, has added another milestone to its journey by setting up the subsidiary Rivit India Fasteners Pvt. Ltd.
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ivit India Fasteners Pvt. Ltd operates with its own sales offices and technical services which are available to all sheet metal working companies: automotive, transport (buses, trucks, trains and ships), electrical appliances and electronics, as well as the channel of dealers and distributors. Constantly supplied by Rivit Italy, the subsidiary has a large warehouse full of products in stock, in particular fastening systems, tools for their installation and related spare parts. Rivit India points out that its staff can provide professional technical assistance on the use of all products, with the primary aim of always offering the best solutions to any customer need,
on the basis of the strong experience and training provided by the Rivit Srl head office. Good after sales assistance and a competent service for the repair of the tools complete the range of services offered by Rivit. “By establishing a branch in India we are recognising the full potential of one of the most exciting and dynamic markets in the world. The intention is to develop relationships with end customers and to create a distribution network so that all prospective partners will be able to assure their customers that the range of products, and after sales service, from Rivit India Fasteners Pvt Ltd will be the same as from the head office, with the added of advantage of being geographically closer.”
Innovative anti-removal system In light of the constantly developing industrial expertise in every sector of industry the need to protect what are often highly sensitive applications from unauthorised use is becoming of ever greater importance.
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ne example is in the regenerative energy sector, where solar modules have to be protected against theft and intelligent fastening mechanisms are required to guarantee operational safety. For many years such applications have been secured using a special kind of fastener. Many methods exist, from the breakaway screw and nut, safety drives which can be removed only with a special screw wrench, to small steel balls inserted into the screw drive, all of which produce variable practical results. Arnold Umformtechnik, based in Germany, believes that there is a need for optimisation, particularly as regards to removal protection security and processing speed improvement, which is why it is offering the LocTec ® screw drive as an alternative to the systems used up to now. The LocTec® is a special combination of screw drive and tool, meaning that a fastener can be removed only with the aid of the tool and then only by destroying the connection itself. The drive incorporated into the screw head means that the fastener can only be screwed in using a screwdriver tool adapted specifically to the fastener. Whilst there are countless such combinations in the industry, Arnold point out that the LocTec ® drive’s flank position makes it impossible to remove the fastener, even using the special tool which was used to fit it in the first place. Any attempt to do so simply causes the screwdriver to screw itself out of the screw head. The joint can only be taken apart by mechanically drilling the screw or by milling a groove and both these ways will inevitably invalidate any warranty claims, and any potential thief would be put off by the considerable amount of noise the procedure would make. Arnold highlights that with the LocTec ® system it is not necessary to make any changes to the fastening machinery, the screw position or the process technology, and the system can be supplied in individually customisable designs and is available for all standard screw and nut types.
6 Issue 2 July 2011 • www.fastfixtechnology.com
ONE OF THE BIGGEST MANUFACTURERS OF BLIND RIVET NUTS IN ASIA We have more than 1,000 styles in stock and our production capacity is 5 billion pieces. We can produce blind rivet nuts in steel, stainless steel, aluminum and brass. We also produce lots of non-standards based on customers drawings and samples.
SHANGHAI RIVET MANUFACTURE CO.,LTD. Export Department Tel: +86 21 372 86065 / 372 86522 Fax: +86 21 372 86066 Email: chinarivet@gmail.com / cyd@chinayuanda.com
www.ret-global.com
Fastener + Fixing Technology
Lesjöfors moves into the fast lane In close cooperation with Öhlins racing, Lesjöfors has designed innovative chassis springs to the dampers of the newly released Lamborghini Aventador.
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amborghini Aventador is a brand new sports car model characterised by modern design and lightweight technology. The 6.5 litre V12 motor gives an effect of 700bhp and the Aventador achieves 0-100km/h in 2.9 seconds. Top speed is 350km/h and the price estimates to about 3 million SEK (324,000 euros).
Innovative chassis springs for dampers
The chassis springs give the car good driving qualities at the same time as they manage the loads that are transferred from the wheels into the car. The Aventador also has a new type of lifting system for levelling of the front of the car that puts extra demands on the springs. Lesjöfors has in a close cooperation with Öhlins Racing designed two types of springs with different rigidity, one front spring and one back spring, that live up to the Volkswagen Group´s high demands for the Aventador´s shock absorption system. In the coil over dampers used in the Aventador, the springs are placed on the outside of the damper. The spring is an open,
uncut spring with an unusual end fitting. A shim in rubber is placed between the spring and the spring seat to avoid noise. Manufacturing is carried out at the factory in Lesjöfors, Sweden.
Cooperation with extreme demands
A comprehensive 28 page demand specification was the base for design and testing of the chassis springs. Construction and testing were carried out during 2.5 years in close teamwork with Öhlins. Among others, wide-ranging tests to verify the springs fatigue strength and the corrosion resistance of the surface treatment were carried out. At some stages, extreme short manufacturing processes and deliveries were required, with Lesjöfors living up to the high standards. “We are highly satisfied with our cooperation with Lesjöfors. Quick responses and innovative problem solving are qualities we have experienced and appreciated much in our contacts with the company,” commented Rade Catovic, project manager for the Lamborghini damper at Öhlins Racing.
Servicing the used machinery market National Machinery LLC’s used machinery services are designed to meet all the needs of the used machinery market. Services range from locating, buying, selling, brokering, replacement/spare parts and rebuild capabilities.
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ational Machinery explains that because it is often the original manufacturer of the used machines it sells, it is able to provide the most comprehensive services available. National Machinery’s long history in metal forming has given it the advantage of extensive global connections to a vast amount of used machinery. National’s global sales network offers complete language capabilities and includes offices and service centres in the Americas, Europe, and Asia. National Machinery points out that whether a customer is in the market to buy or sell, its used machinery experts have the best resources to help guide customers through the process. When looking to buy a used machine customers can be assured by National’s machine assessment. “Our experts have the experience necessary to provide
accurate machine descriptions and conditions. Also, an additional formal inspection can be provided prior to sale to ensure the exact conditions. A used machinery representative can even evaluate and compare available used machines on the market with current machines, to increase part interchangeability within a customer’s machine operation.” National Machinery also possesses all original blue prints and specifications for each machine it builds. Therefore if a customer’s newly purchased used machine needs any type of repair work or parts, National can provide them with the precise fix and correct parts to get it running efficiently. National also has complete rebuild and upgrade capabilities. To learn more about the used machinery services offered by National Machinery and for the chance to sign up for its monthly newsletter visit its website.
Huntsman drives sustainability
Working in partnership with Huntsman Advanced Materials, the National Institute of Applied Science and Paul Sabatier University have designed and manufactured a lightweight, energy efficient vehicle.
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he TIM 05 demonstrates the possibilities of making a vehicle using environmentally sustainable components, weighing just 27kg and running on bio-ethanol fuel. To maximise its performance and achieve the best power-to-weight ratio, the students and professors involved in the project decided to use composite materials in designing the TIM 05. The body, made of a sandwich of polystyrene and silk reinforced with carbon, and the chassis, made from unidirectional carbon and foam laminate are laminated by hand lay-up process with Araldite ® LY 5052/Aradur ® 5052. Huntsman highlights that this low viscosity epoxy resin was selected for its easy handling behaviour and excellent mechanical and dynamic properties in the production of laminates. Araldite ® 2011, a two component epoxy adhesive has also been used to bond many other details on the vehicle.
8 Issue 2 July 2011 • www.fastfixtechnology.com
ITALY’S LEADING MANUFACTURE OF CAGE NUTS IN: CARBON STEEL, ZINC PLATED AND TOTAL STAINLESS STEEL - SQUARE NUTS - CAGE SCREWS - DEEP THREADED U-NUTS - U-NUTS AND CLIPS - SPRING LATCHES WITH RETAINERS AND STUDS For any enquiries please contact: EMAIL: FASTERVITI@LIBERO.IT TEL.: 0039 (0) 298 260 080
Fastener + Fixing Technology
Electronics light the way India’s economy has been booming leading to growth in a wide range of industry sectors. As a result India has become an exciting innovative marketplace for fastenings. Jeremy Scholefield, director of strategic business – electronics sector, TR Fastenings, explains.
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espite the recent rise in inflation, India offers great business opportunities. Asia’s third largest economy still has sound growth, favourable demographics and domestic demand, with a huge population of an estimated 1.2 billion to satisfy. Over the last ten years India’s economy has been booming, much of this may be attributed to India’s reputation as an information technology superpower but the country also has a long tradition of manufacturing.
At the end of June the Indian government’s confidence in its electronics market was illustrated with news of subsidies for the sector. At a strategic electronics summit organised by the Electronic Industries Association of India (ELCINA), Ajay Kumar, joint secretary in the department of information technology, revealed that the Indian central government has proposed to give one trillion Rupees of investment subsidies to significantly boost the country’s electronics industry. This
Growth sectors
incentive is set to generate four trillion Rupees of investment in the sector and also create 20 million jobs over the next ten years. This confidence is also shared by large multinational electronics manufacturers with major firms setting up in India after recognising the massive growth in the healthcare, lighting and lifestyle sectors. This migration of manufacturers to India has created a demand for reliable, quality components. These global firms need
One manufacturing area which is showing particular growth at the moment is the electronics sector. A buoyant economy and rising disposable incomes is leading to a dramatic demand for electronic consumer goods in India. Meanwhile, India’s electronics export market is also rising. As a result India is now considered one of the two largest markets for electronics products in the world.
10 Issue 2 July 2011 • www.fastfixtechnology.com
suppliers they can rely on, suppliers that tick all the boxes when it comes Corporate Social Responsibility (CSR) and sustainability. TR Fastenings is a company that does just that. A global manufacturer and distributor of fastening products TR Fastenings has always had a strong involvement in the electronics sector including IT, telecoms, business machines, healthcare, lighting, audio/visual equipment and enclosures through OEM, CEM and EMS customers. The company typically supplies a customer base where their products utilise a large number of fasteners or rely on them for specific functionality. Most of TR Fastenings customer base is managed or approved through an AVL (Approved Vendor List) process thus illustrating TR’s high standards and reliability. TR Fastenings’ key locations and manufacturing facilities have been audited by several global OEM customers who specifically examined TR’s CSR, sustainability, health and safety, Reach and RoHS capabilities. Large multinational customers are increasingly requiring details regarding the Corporate and Social Responsibility of their supply base, which are often brought into question when they drill down into their supply chain to local or “suspiciously” low cost suppliers. As a PLC, TR has a responsibility to its customers, shareholders and staff to ensure no corners are cut. TR Fastenings prides itself as a pioneer in vendor managed inventory for small parts and components, offering services ranging from direct line feed to stock replenishment on demand that are designed to strip out costs and administration for customers. The combination of almost 40 years’ experience, particularly in sheet metal applications, and recent stronger commercial performance, is driving a business transformation at TR Fastenings. With an established reputation in innovative fastening technology and the completion of its re-organisation, the company looks set to take full advantage of market opportunities.
The existing self clinch range includes a number of different product groups but TR Fastenings is now ready to invest in expanding on this further during 2011 offering our customers in India a wide choice. The new self clinch product ranges include:
TR’s global footprint and logistics capability allows the company to deal with large multinational firms and their manufacturing or sub contract locations all over the world. In recent years a specific focus has been developing TR’s Indian customer base with great success. TR Fastenings now has bases in both Chennai and Bangalore with the sites offering sales and technical support as well as managing logistics. As Indian businesses and the economy continue to grow, TR will be able to support and grow with it. TR’s customers receive the highest quality parts and service whether they require the company’s core product range of TR Self Clinch fasteners for sheet metal, micro screws and thread forming screws for metals or plastics, or more customer specific requirements such as tuning screws for filter and power amplifier products.
Self clinch Due to the growth in the electronics sector there has been great demand for self clinch products. TR Self Clinch items are typically used in applications such as ATMs, enclosures, cabinets, housings, computers, servers, home appliances, TVs and other electronic consumer goods. Generally these fasteners are inserted by sheet metal fabricators using presses. TR’s Self Clinch range is well established with a proven reliability. In the early 1990s the Hank Clinch Fastening range was introduced. This product has a large market globally. From humble beginnings, offering just clinch nuts, stand-offs and studs, the TR Hank Self Clinch range now has an annual turnover of £10 million, including 750 different parts and is sold to numerous customers, both large and small.
• Concealed head studs and standoffs – Idea for applications where a totally smooth and hidden finish is required. • Aluminium nuts and studs – expanding on the standard steel and stainless steel ranges. • Hardened stainless steel nuts, studs and standoffs – to be used when installing into stainless steel plate. • Low displacement studs – can be inserted as near as 2.8mm to the edge of sheet metal. In total, there will be a 35% increase in the number of self clinch products that will be offered to our customers, thus providing a raft of fastening solutions to meet the Indian market growth.
Tuning screws As well as electronics, telecommunications is also growing significantly in India thanks to Indian consumers driving a demand for mobile phones which is boosting the industry. With over 15 years experience of manufacturing and supplying tuning screws to the major global telecommunication companies and their sub-contact base, the company is well placed to help with this increasing demand. Tuning screws are used in microwave filters and power amplifiers and are part of base station and antenna systems predominately for the mobile telecommunications network. As networks expand and data rates increase these units play a very important role. Generally brass with a silver plated finish, tuning screws have a fine pitch thread plus a matching brass locking nut. Stainless steel is also used in certain applications. The size of tuning screws can vary in both diameter, thread size, thread pitch and length depending on the application
and space constraints. Different drive types such as Slot or Torx ® are most common and the ‘nose’ design of the tuning screw is also a very important feature for ensuring precise tuning capability and stable signal/power performance. New developments for faster and easier tuning functionality have led to self-locking possibilities being implemented in certain applications. TR also specialises in the other fastenings associated with this industry sector such as high performance thread forming screws that clamp the lid of the aluminium filter housing to eliminate any RF leakage. This all helps to ensure we have the fasteners to meet the growing needs of the accelerating Indian market. Working closely with TR India sales manager Victor Cheong and his team of sales engineers located in the main regions and cities, TR is already extremely encouraged by the massive growth plans that its key customers have in India for the future. TR can bring a wealth of fastener experience and knowledge through our European, USA and Asian operations. For further information of TR Fastenings products the TR website highlights all core ranges and general fasteners as well as featuring a large engineering data and information section. Registration for the site is free and has additional benefit of regular newsletters, download CAD models and brochures.
TR has over 15 years experience of manufacturing and supplying tuning screws to the major global telecommunication companies and their sub-contact base.
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Fastener + Fixing Technology
Las Vegas fastener Expo reporting strong interest The 15th Annual National Industrial Fastener & Mill Supply Expo scheduled for 19th – 21st October 2011 in its new location at the Sands Expo & Convention Center in Las Vegas, Nevada, USA, continues to add new companies and gather momentum, reports Susan A. Hurley, CEM, general manager.
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s. Hurley adds: “We have already sold 621 booths to 463 companies from across the USA and around the world including Canada, China, Germany, India, Mexico, Singapore Spain and Taiwan. This is well ahead of last year’s pace and we continue to receive exhibit space applications and inquiries on a daily basis. Many of these companies have never exhibited with us before. We are expecting 575 or more domestic and international companies to showcase their latest products and services in over 70,000 net square feet of exhibit space. A number of companies which have not exhibited with us for a year or more are back, and the machinery & tooling area is also expanded to include a number of new companies.” Jim Bannister and Mike McGuire, the Expo’s general partners commented: We are expecting a record turnout of fastener distributors, importers, manufacturers, sales reps and a host of other fastener people from throughout the United States as well as Asia, Australia and Europe. We want the Las Vegas Expo & Conference to be the centre of the fastener industry universe for three days. We invite people from throughout North America and the rest of the world to use our event as the central gathering place to see the latest products and services, as well as gain valuable information, knowledge and training to help everyone compete better in our highly competitive and ever-changing industry. Business is picking up as the global economy continues to improve and we want to keep the positive momentum going.” In addition to “North America’s Largest Fastener Expo”, the event includes a full day of conference programmes featuring topics of vital, current interest as well as Fastener Training Institute workshops on Wednesday 19 th October. There is also the popular and well attended ‘Welcome Reception’ which is scheduled for Wednesday evening. This Expo management-sponsored event offers complimentary beer, wine and soft drinks along with tasty hors d’oeuvres to all registered exhibitors and Expo visitors.
ndia I n i s ue
to ou
ion t a i ag v e n l I l l o a C i c A Spe er Industry n r Faste
!
15th Annual National Industrial Fastener & Mill Supply Expo
October 19-21, 2011
“North America’s Largest Fastener Expo” featuring fasteners, machinery, tooling, mill supplies, services…and more! Sands Expo and Convention Center
Las Vegas, Nevada www.fastenershows.com
Fastener + Fixing Technology
New fastener Expo in Jiaxing The China Chamber of Commerce for Import and Export of Machinery and Electronic Products (CCCME), Commerce department of Zhejiang, and the Jiaxing people’s government will jointly hold the first 2011 Fastener Expo Jiaxing on 14th – 15th October 2011 at Jiaxing International Convention & Exhibition Center.
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astener Expo Jiaxing will cover a wide range of standard fasteners, industry fasteners, fastener equipment, fastener raw materials, fastener moulds and consumption goods, as well as fastener technologies and services. It is estimated by the organisation committee that there will be 400 booths sold to around 250 exhibitors. The concurrent programmes of the 5th China Fastener Summit (CFS) and Plant Tour will be held together during the exhibition. The organisation committee explains that the industrial cluster of Jiaxing, Ningbo, Wenzhou in Zhejiang are the main export areas of fasteners in China. The 2010 export value of fasteners in Jiaxing reached USD$ 779.95 million, accounting for 48.67% of exported fasteners in the whole Zhejiang province, and 25% of exported fasteners in China. “Jiaxing in mainland China is like Kaohsiung in Taiwan, owing to the high concentration of fastener production bases, with as many as 2,000 fastener manufacturers in Jiaxing. Jiaxing is also the closest city to Shanghai making it the ideal place for fastener trading and investment.”
2011 Fastener Expo Jiaxing China
Oct
14 (Fri.) 9： 00-17： 00 15 (Sat.) 9：00-16：00
Jiaxing International Convention & Exhibition Center www.FastenerJiaxing.com
（No. 618, New Qixiang Road, Jiaxing, Zhejiang, China ）
With more than 2000 fastener manufacturers, Jiaxing city is famous as the fastener Production base of China Fastener export value of 780 million USD in 2010 in Jiaxing City, taking up 25%of total export value in China With the theme of fastener & Fixing, Fastener Expo Jiaxing expects to attract more than 250 exhibitors from all around China Only one hour drive from Shanghai to Jiaxing and free buses will be available during exhibition
Sponsor: CCCME; The People's Government of Jiaxing
Official Website:www.FastenerJiaxing.com
Fastener + Fixing Technology
First Fastener Fair India ‘total success’ Launched as part of the series of the internationally renowned ‘Fastener Fair’ brand, the first edition of Fastener Fair India, trade exhibition for the fastener and fixings industry, proved a big success, reports organisers Inter-Ads Brooks.
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rom 16 th – 17th April 2011 a remarkable 4,800 visitors came to the Bombay Exhibition Centre in Mumbai to meet with industry experts and discover a comprehensive range of industrial fasteners, construction fixings, assembly and installation systems as well as manufacturing technology. Both visitors and exhibitors praised the show as a highly professional and worthwhile industry event. Half of the ninety exhibitors at this specialised industry event came from outside India, with an even spread of companies from Europe, Asia and the Americas. In the exhibition survey 95% of exhibitors were able to report positive business enquiries at their stands; and the large majority of exhibiting companies achieved their aims. It is no wonder that three quarters of the exhibitors had already indicated on site that they intended to exhibit again at the next exhibition. Fastener Fair India 2013 will take place from 17th – 18 th April 2013, at the same venue, the Bombay Exhibition Centre in Mumbai. In the exhibitor survey the show received excellent marks for the quality and quantity of its trade visitors. These were mainly from India; however, some 3% of visitors came to Fastener Fair India from all parts of the world. Visitors at Fastener Fair India 2011 were mainly fastener and fixings manufacturers (32%), purchasers (21%), engineers (18%), end users (12%) and distributors (11%). Key industry sectors to which the visitors belonged included mechanical engineering (25%), the automotive industry and its suppliers (22%), electrical products and domestic appliances (13%) and hardware / DIY retailing (11%). The exhibition attracted fastener and fixings specialists at all levels, with the majority having managerial responsibility (27%), being head of production (26%) or having purchasing responsibility (16%). “The Indian economy is well known as one of the great powerhouses of global industrial growth. Consumer demand for cars, domestic appliances and electrical equipment as well as current and future infrastructure and energy projects mean that the Indian fastener and fixings industry will need to rapidly increase capacity to respond to this growth. It is in this context that we launched Fastener Fair India. The dedicated trade exhibition is the ideal market place for networking and for
14 Issue 2 July 2011 • www.fastfixtechnology.com
gaining an overview of the latest technical solutions”, says Stephen Brooks, chairman, Mack Brooks Exhibitions on behalf of the organisers Inter Ads – Brooks Exhibitions (India) Pvt. Ltd. “We are delighted that the first Fastener Fair held in India has been such a big success. The launch of this show came exactly at the right time, as there has been long-standing demand by the Indian fasteners
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Fastener + Fixing Technology and fixings industry for a targeted industry event. Co-located with the second edition of BLECH India, exhibition for sheet metal working, Fastener Fair India was well-placed to meet the needs of industry professionals and end users. We look forward to sustainably developing this show into India’s key platform for the fastener and fixings industry,” says Rajan Sharma, chairman, Inter Ads, on behalf of the organisers Inter Ads – Brooks.
2013 dates confirmed Both, Fastener Fair India and BLECH India will come back to the Bombay Exhibition Centre in April 2013: BLECH India 2013 will take place from 17th – 20 th April 2013 and Fastener Fair India, Mumbai will be held from 17th – 18 th April 2013. Information on Fastener Fair India 2013 will soon be available at the show website www.fastenerfair.com
BLECH India 2011 reflects positive growth prospects With 139 exhibitors from 18 countries and more than 7,000 trade visitors, mainly from India, the second BLECH India, exhibition for sheet metal working, reflected the positive growth prospects for the Indian sheet metal market.
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eld from 14th – 17th April 2011 at the Bombay Exhibition Centre, the exhibition more than doubled in size compared with the launch show in 2009. Participants were highly satisfied, particularly with the comprehensive range of products on display and with the professional flavour of the show. BLECH India 2011 showcased a large variety of machines, tool and solutions for the complete sheet metal forming and fabrication process; an enormous amount of live machine demonstrations were on display. “We are delighted to be able to report that BLECH India has taken a big step forward in both size and profile. The exhibition has developed into a major quality event for India’s sheet metal working industry since its debut two years ago, and this rapid development corresponds to the fast-paced Indian market for this industry sector,” explains Stephen Brooks, chairman, Mack Brooks Exhibitions on behalf of the organisers Inter Ads – Brooks Exhibitions (India) Pvt. Ltd. “We want to congratulate our exhibitors and visitors for this success. There was lively trading activity throughout the four exhibition days and the mood was buoyant. The excellent results of this event show that we have been able to design a highly professional industry platform for India’s sheet metal working industry. A dedicated trade exhibition such as BLECH India is vital for one of India’s key industry sectors in the face of the country’s economic growth potential and the large number of investment projects to cover the ever-increasing consumer demand,” says Rajan Sharma, chairman, Inter Ads on behalf of the organisers. Over 90% of exhibiting companies reported positive business enquiries, and 95% said they had achieved their aims. Exhibitors praised the high quality and number of trade visitors, expert talks and contact with potential customers at their stands. Visitor segments covered sheet metal and sheet metal products (53%), mechanical engineering (44%), the automotive industry (11%), iron and steel production (10%) as well as steel and aluminium construction (9%). The show attracted sheet metal working specialists at all levels, the majority being head of production (41%) or having managerial responsibility (26%). Visitors particularly rated the outstanding quality of the products and services on display and the large number of live machine demonstrations.
16 Issue 2 July 2011 • www.fastfixtechnology.com
Fastener + Fixing Technology
What the exhibitors had to say…
“I
t is always with a great pleasure that Rivit participates in all the ‘Fastener Fairs’ around the world, and of course we could not have missed the first edition of Fastener Fair India! The Mumbai show was interesting in terms of visitors, and gave us the opportunity to meet with distributors and end users, who expressed strong interest in our products. However, as with all fairs, it is the following job arising out of the first contacts that will allow us to evaluate the effectiveness of the show; and the closing of the negotiations undertaken during and after the fair, which will allow us to take real stock of the new market.” For the future Rivit is looking forward to participating again at Fastener Fair India and we are sure it will provide a positive impact on our subsidiary Rivit India Fasteners Pvt. Ltd and its products.”
Rivit Srl
“W
e were previously a 100% export orientated business with two state of the art fastener units based in Jalandhar, manufacturing bolts, nuts, washers, sheet metal parts, forgings and turned parts. However, we recently entered into the domestic fastener market which was met with great success. In line with the vision to service the leading industrial sectors - OEM, automotive, machinery building, and wind energy sectors we achieved great success at Fastener Fair India. The show greatly helped in enhancing and energising our marketing team’s goals. Our new plant was also recently certified to CE - EN 15048 standard and we will continue to grow our manufacturing base, and are looking to double our output by the end of 2012.”
GDPA Fasteners
“L
eading from the front at Fasteners Fair India 2011 we were overwhelmed by the response from both Indian and international visitors for HNPL™. The response was good as more than 500 visitors of all kinds visited our stall. The exhibition gave us a good opportunity to showcase our products and we received satisfied genuine visitors during the show. At Hex Nuts Pvt. Ltd (HNPL™) we have a hi-tech plant equipped with state-of-the-art facilities, R&D centre, backed by a team of highly qualified engineers to maintain higher standards of products. We plan to exhibit at both Fastener Fair Stuttgart 2012 and Fastener Fair India 2013.”
Hex Nuts Pvt. Ltd
“W
e chose to attend the BLECH India exhibition as a launch platform for our planned expansion into the Indian marketplace. We showcased our self clinch range of fastenings since it had an obvious synergy with the sheet metal industry. India has a long established fastenings market that tends to use larger diameter products. We were therefore keen to demonstrate some new innovative product to the marketplace that eliminate welding processes giving an internal male or female thread in thin sheet metal. TR is focussing on smaller diameter products in India, with very high quality fastenings used in applications such as enclosures, set top boxes, base stations for telecoms and solar energy products. Since India is a developing marketplace we had not expected to see such a high number of people attending the BLECH India exhibition. We had also not expected such a high level of interest on our stand and had over 250 product enquiries at the end of the show. Victor Cheong TR India’s country manager and his team followed up these enquiries by mail shot, with every enquiry given a unique password for entry on to TR’s extensive technical website. BLECH India 2011 was a success, we had good support from the organisers and we will be exhibiting at the show again in 2013.”
TR Fastenings
18 Issue 2 July 2011 • www.fastfixtechnology.com
“T
he experience in India was very good during the exhibition: many, many contacts with trading companies and end users. However, when following up leads after the show the response has not been so good. I am surprised about this because I believed India could be a potential growth market for the business.”
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Connecting with Indian fastener engineers A new technical publication for the growing Indian market Fastener + Fixing Technology presents the latest fastener engineering concepts to designers, engineers and buyers in key Indian growth industries.
Subscr ibe for FRE E online www.fastfixtechnology.com
Fastener + Fixing Technology
Fastener Fair India ‘complete success’ for Dörken Dörken MKS-Systeme GmbH & Co. KG, Herdecke, Germany, was one of a selection of foreign exhibitors who took the opportunity to exhibit at the inaugural Fastener Fair India.
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örken explains that a key factor in the company exhibiting at Fastener Fair India was that the exhibition was aimed specifically at the field of fastener and securing technology, and offered the opportunity to establish or further develop key contacts to companies from throughout the value-added chain. Dörken reports that numerous coaters, fastener manufacturers and representatives of motor vehicle manufacturers dropped by the Dörken stand during the two days of the fair to swap experiences. The focal point of discussions was frequently the rising demand in the Indian market for high-performance micro layer corrosion protection systems. Like Fastener Fair Stuttgart in February of this year, the Indian fair proved a complete success for the company, with the consequence that Dörken will also be present at Fastener Fair São Paulo, to be held in November 2011.
Established systems for the automotive industry Dörken MKS-Systeme, a specialist in the field of zinc flake systems, presented its system solutions in Mumbai, which have been approved and are in use by all leading automobile manufacturers worldwide. In addition to the requirements of corrosion protection, these systems also fulfil other requirements of the OEMs such as the maintaining of specific friction factors, increased chemical resistance and specific coloration. The product portfolio of the company includes both zinc flake base coats and organic and inorganic topcoats. From the very beginning these products have been free from known carcinogenic substances such as chrome (VI). They thereby fulfil the requirements of the EU Directive on End-of-Life Vehicles, which has practically forbidden the use of heavy metals in vehicle construction since 2007. A wide range of components such as fasteners, stamped and bent components, springs and brake discs are currently coated by experienced licensees with MKS systems all around the world. The selection of coating technique depends on the respective component. Following corresponding pre-treatment for the respective area of application, zinc flake coating is applied using the standard application procedures of coating technology, followed by annealing in a tunnel furnace after each coating stage. The risk of application-related hydrogen brittling of highstrength components does not exist, as no hydrogen is present in the coating process. The focus is upon dip-spin applications for small mass-produced parts and the spraying method for larger components. Free-flowing components are dipped in the coating medium in baskets and then spun to remove excess material.
Zinc flake technology online Those that wish to find out more about the subject of micro layer corrosion protection and its areas of application can now access the ‘Dörken Online Academy’, which celebrated its premiere at Fastener Fair Mumbai. Users can find key information on the company, zinc flake technology and the subject of fasteners at www.doerken-mks.com/academy. The programme also offers an interactive knowledge test, with an official certificate for successful completion.
20 Issue 2 July 2011 • www.fastfixtechnology.com
Fastener + Fixing Technology
Self-loosening of threaded fasteners
By Dr. Bill Eccles, Bolt Science www.boltscience.com
Here Bill Eccles, Bolt Science, looks into the causes of self-loosening of threaded fasteners and what steps can be taken to help prevent loosening.
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Introduction
ractically every engineering product with any degree of complexity uses threaded fasteners. A key advantage of threaded fasteners over the majority of other joining methods is that they can be dis-assembled and re-used. This feature is often the reason why threaded fasteners are used in preference to other joining methods and they often play a vital role in maintaining a product’s structural integrity. However, they are also a significant source of problems in machinery and other assemblies. The reasons for such problems are due, in part, to them unintentionally self-loosening. Such self-loosening has been a problem since the start of the industrial revolution and for the last 150 years inventors have been devising ways in which it can be prevented. Many of the common types of locking methods for threaded fasteners were invented over 100 years ago, however it is only relatively recently that the main mechanism that is considered to cause self loosening has become understood. There are a number of mechanisms that can result in a threaded fastener coming loose; these can be classified as rotational and non-rotational loosening.
Rotational and non-rotational loosening
In the vast majority of applications, threaded fasteners are tightened so that a preload is imparted into a joint. Loosening can be defined as a subsequent loss of preload following the completion of the tightening process. This can occur by one of two means. Rotational loosening, more commonly referred to as self-loosening, is when the fastener rotates under the action of external loading. Non-rotational loosening is when no relative movement occurs between the internal and external threads but a preload loss occurs.
Fasteners coming loose due to non-rotational loosening Non-rotational loosening can occur as a result of deformation of the fastener itself, or the joint, following assembly. This can occur as a result of a partial plastic collapse of these interfaces.
When two surfaces come into contact with each other, asperities on each surface sustain the bearing load. Because the actual contact area can be substantially less than the apparent area, very high localised stresses are sustained by the asperities that, even under moderate loading, are greater than the yield strength of the material.
Junker’s theory of self-loosening of fasteners Gerhard Junker in 1969 published a technical paper (‘New criteria for selfloosening of fasteners under vibration’ SAE Paper 690055, 1969) giving results of test work that he had completed to support his theory as to why threaded fasteners self loosen. His key finding was that preloaded fasteners loosen as a result of rotation as soon as relative motion occurs between the mating threads and between the bearing surfaces of the fastener and the clamped material. Junker found that transverse dynamic loads generate a far more severe condition for self-loosening than dynamic axial loads. The reason for this is that radial movement under axial loads is significantly smaller than that which is sustained under transverse loading.
Magnified surface showing asperity contact This leads to the surface partially collapsing following the completion of the tightening operation. This collapse is typically referred to as embedding. The amount of the clamp force that is lost due to embedding depends upon the bolt and joint stiffness, the number of interfaces present within the joint, the surface roughness and the bearing stress being applied. Under moderate surface stress conditions, the initial collapse results in typically around 1% to 5% of the clamp force being lost within the first couple of seconds of the joint being tightened. When the joint is subsequently dynamically loaded by applied forces, a further reduction occurs due the pressure changes that take place on the joint interfaces. Loosening as a result of embedding loss is problematic on joints that comprise several thin joint surfaces and a small bolt grip length. If the surface bearing stress is kept below the compressive yield strength of the joint material, the amount of embedding loss is calculable and the joint can be designed so as to compensate for this loss.
22 Issue 2 July 2011 • www.fastfixtechnology.com
Transverse movement of a bolted joint Junker showed that preloaded fasteners self-loosen when relative movement occurs between the mating threads and the fastener bearing surface. Such relative movement will occur when the transverse force acting on the joint is larger than the frictional resisting force generated by the bolt’s preload. For small transverse displacements, relative motion can occur between the thread flanks and the bearing area contact surface. Once the thread clearances are overcome the bolt will be subject to bending forces, and if the transverse slippage continues slippage of the bolt head bearing surface will occur. Once this is initiated the thread and the bolt head will be momentarily free from friction. The internal off torque, present as a result of the preload acting on the thread helix angle, generates a relate rotation between the nut and the bolt.
Under repeated transverse movements this mechanism can completely loosen fasteners. To investigate the causes of loosening, Junker developed a test machine, the socalled ‘Junker machine’ that will quantify the effectiveness of the loosening resistance of a fastener design.
Junker fastener test machine Roller bearings are used to eliminate the effects of friction between moving and fixed plates. A load cell allows continuous monitoring of the bolt load as transverse motion is applied from a moving plate that the nut is clamped onto. This is a major advantage over the shock test standard in that the loss of preload can be measured during the test and a graph of preload verses cycles plotted. The idea behind the Junker machine is that a transverse displacement generated by a cam results in a rocking action in the fastener. Overcoming the friction grip of the fastener creates a self-loosening action.
Placing a helical spring washer under the bolt head has been shown on some tests to speed up the loosening, others show that the use of such washers give a similar performance to using a bolt without any locking device. Many large OEM manufacturers are aware of these findings and no longer specify such washers in their internal standards. However, judging by the continued use of these washers, many organisations do not seem to be aware of these findings. Many of the locking devices used on threaded fasteners are either based upon preventing relative thread movement between the bolt and nut threads (such as with nylon insert nuts) or relative movement of the nut to the joint (such as with the various types of ‘lock’ washers). However, Junker and other later researchers all point to the importance of preventing transverse joint movement. A bolted joint, properly designed so that the clamp force from the bolts is sufficient to prevent transverse movement by friction grip between the joint plates, will not come loose. At the design stage this can be achieved by selecting the fastener size and strength so that the preload can create sufficient friction grip to prevent the external loads causing the joint to move.
Conclusions from the research
Section through Junker test machine Junker vibration test loosening curves
A test like the Junker test (test details in the specification DIN 65151), allows the performance of various fastener designs to be compared in terms of their resistance to self-loosening. Over the last twenty years a significant amount of work has been completed investigating existing fastener designs to allow comparisons to be made as to their resistance to vibration loosening. To make a valid comparison it is vital that the same vibration amplitude is used, since this has a major influence on the results. A typical test result is shown here for helical spring washers.
The most widely accepted cause of threaded fasteners self loosening is not so much vibration but joint movement, in particular, transverse slip of the bolt threads and bearing surfaces. If sufficient preload can be achieved from the bolts to prevent joint movement, no locking device will be required, as friction will hold the parts together. The major problem of designing with threaded
The key to preventing self loosening is to provide sufficient bolt load
fasteners is ensuring that the preload is sufficient to hold the parts securely together when variations in frictional conditions are included. The diagram shows the effect that frictional variations will have on bolt preload. Typically, the tightening specification includes a torque range so that the joint can be economically assembled. When account is taken of this and also that a prevailing torque (with maximum and minimum limits) may be present, a graph can be produced which shows the variation in preload that results from the assembly specification.
The effect of friction on bolt preload Designing the joint on the basis of the minimum anticipated preload generated by the bolt would eliminate any risk of loosening, designing using the mean value of preload would result in the potential of a number of bolts loosening if no ‘safety factor’ was applied. Allowance also needs be made for the loss of preload from embedding, this occurs in the threads and under the bolt head and nut face as the contact surfaces settle. To maintain a limit on the amount of embedding it needs to be ensured that the bearing stress under the nut face, bolt head and within the joint, are kept within the maximum permissible bearing stress for the material being clamped. In cases when joint movement cannot be prevented, in cases of thermal expansion for example, then a locking device of proven ability should be specified.
Prior to forming his company, Bolt Science in 1992, Bill’s original background was in design engineering. The company is a provider of independent technical expertise in bolted joint technology. He is a chartered engineer and has a Doctorate in Engineering on the self-loosening of threaded fasteners. Bill has delivered training courses around the world on the analysis of bolted joints and bolting technology.
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Fastener + Fixing Technology
Offering fastening solutions As the market for its products grows at a fast pace, Böllhoff Fastenings Pvt. Ltd, India, is growing to keep pace with it. Today the regional offices at Gurgaon, Pune and Bangalore are being strengthened to better serve customers in the northern, western and southern regions, respectively.
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öllhoff Fastenings Pvt. Ltd, India, a wholly owned subsidiary of the Böllhoff Group commenced its independent operations in 2007 and has its corporate office at Gurgaon, near New Delhi. Drawing upon the strength of its parent organisation, Böllhoff India focuses on offering fastening solutions to a diverse market. These products and services are primarily from the exclusive portfolio of the Böllhoff Group that includes indigenously designed and developed products, some of which are: • RIVKLE ® blind rivet nuts and studs for sheet metal and plastic applications. • HELICOIL® wire inserts for thread reinforcement in aluminium castings. • AMTEC ® brass thread inserts for plastics. • RIVSET® self-pierce riveting systems for metal and plastic fabricated parts. • FLEXITOL® automatic tolerance compensating systems for metal and plastic assemblies.
Böllhoff India focuses on the leading industrial segments which are significant players in the country’s growth story. Its major customer groups include automotive, construction equipment, power and electricals, electronics and telecommunications, and transportation – railways, aerospace, elevators, etc. Böllhoff India reached a significant milestone in 2010 when it opened its manufacturing operations at its Gurgaon site. Coupled with a large warehousing facility, it now offers its customers an enviable range of fastening solutions, including installation tools – all from under one roof and with a very short lead time. Sales staff well trained at overseas parent locations and presence of technology demonstration lab at Gurgaon, together ensure that customers are offered the right product and applications support for all their fastening needs.
Böllhoff...
... key partner for innovative industries For more than 130 years we have specialised in developing innovative and high quality advanced fastening technology, as well as the corresponding assembly systems. Think global, act local Due to our international network of subsidiaries and own production facilities, also in India, we act globally as a familiy-run business. We offer connecting solutions for metallic and synthetic materials: ■ Blind rivet technology ■ Thread technology ■ Plastic joining technology and quick locking technologies etc.
We are just the perfect choice to be your partner in Success!
Telefon +91 11/41 43 11 90 · E-mail jkeswani@boellhoff.com
Fastener + Fixing Technology
‘The longest structural multi grip in the world’ For 35 years Ornit Blind Rivets, a blind rivet manufacturer, has been supplying rivets for the construction, automotive, electronic and solar energy industries.
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ne of Ornit’s unique qualities is, when possible, the ability to design and manufacture custom designed rivets. An example of this is the launch of the new Ornilock M6527P rivet, which Ornit says is the longest structural multi grip in the world. The Ornilock M6527P rivet is a structural rivet boasting a grip range from 2mm to 22.5mm. “The design process started back in 2007 after we received numerous inquiries for a rivet with a longer grip range but with the strength and reliability of the well-known Orlock rivet. The Orlock rivet, diameters 4.8mm – 7.8mm, is a structural rivet with a double lock system patent and grip range up to 34mm. It was designed originally for the automotive industry.” Ornit’s answer to its customers’ inquiries was to improve the Ornilock’s grip which until then had a grip range of up to 15.9mm. Features of the Ornilock include internal locking mechanism, excellent multi grip performance and reduced inventory. The Ornilock also has high shear and tensile strength with flush break and multi grip capabilities. “The response to the Ornilock M6527P rivet from our customers has been excellent and we are looking to build on its success.” Ornit has also recently launched the PIV-OR, a pivot style rivet, which is available in steel/steel, 6mm diameter, and has a pre-designed accurate grip according to the user’s specifications. The PIV-OR can be used as a pivot in various applications such as ladders, security bars and hand tools. Ornit’s extensive product range also includes the split-tail Or-Bulb, and the powerful Or-Bolt, all available in a range of diameters and materials.
Blind Rivets
A Riveting Experience ORLOCK Double locking system OR-BULB Spilt Tail STELOCK / STEEL-FIX Steel High Strength and Multi-Grip U-FIX High Versatile Multi-Grip T.P.R / O.R.P Superior Peel ORNILOCK / OR-BOLT Multi-Grip Structural
www.ornit.com
World Wide: +972-86610222 USA: 1-877-627-0423
Fastener + Fixing Technology
Contributing to your success LPS Bossard PVT Ltd is a joint venture between Lakshmi Precision Screws Ltd, Rohtak, and Bossard AG, Switzerland. Here LPS Bossard’s managing director Rajesh Jain gives an insight into the company and its aims for the future.
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PS Bossard is one of the leading fastener company’s in India with a strong presence in 14 cities, and headquarters in Rohtak. The company is ISO 9001/14001 and OHSAS 18001 certified and is able to offer customers a full-service package which focuses on fasteners and includes technical, engineering support and inventory management. We consider highly qualified, innovative and flexible manufacturers to be a major quality factor, which is why we are committed to ensuring that each product we deliver to our customers is of superior quality. Our customer base is made up of the top Indian and multinational companies, with our assembly technology solutions having been accepted in key customer segments such as power transmission and distribution, healthcare, EMS, railways, defense, automotive, construction equipment, machinery and industrial products, with a high focus in renewable energy such as wind and solar. In order to be successful and grow profitably a company has to have foundations that are made of values, skills and experience. At LPS Bossard we have built such foundations which have given our employees a basis from which to use their skills and abilities every day to successfully master the challenges they face. Our employees and their loyalty provide the basis for our economic success. Our strategy for the future is that we want to build long term relationships with our customers by raising their competitiveness through excellent performance, innovative application engineering and lean management of the entire supply chain. Our objective is total customer satisfaction - we want to contribute to your success.
If you have a problem fIndIng specIalIst screws, If you can’t fInd them, If no one else can help, maybe you should hIre...
• 20 years of expertise • Extensive stocks • Speedy delivery
• Experts in sourcing ‘hard to find’ items Stock catalogue out now
ACT (FASTENERS & COMPONENTS) LIMITED T: +44 (0)1902 791880 F: +44 (0)1902 791884 E: info@actfasteners.co.uk W: www.actfasteners.co.uk Units 13 & 16, Four Ashes Industrial Estate, Station Road, Four Ashes, Wolverhampton WV10 7DB, UK.
7862 Advert.indd 1
15/6/11 10:50:42
PREPARE FOR THE BEST PERFORMANCE Our know-how as a fastener expert guarantees you significantly better performance and a lasting improvement of your competitive position. Free up your resources and reduce your Total Cost of Ownership with Bossard. With our high performance fastening technology and state-of-the art logistic solutions, we deliver excellent quality product solutions and service globally.
We contribute to your success with our expertise in the following areas: • Productivity enhancement through proactive design and development collaboration • Efficient processes thanks to intelligent fastening solutions • Lean supply chain with ship-to-line solutions Call us today for a free consultation or visit us online at: www.bossard.com
Fastener + Fixing Technology
Fastening solutions from Rivit Rivit Srl is able to offer its customers a wide range of fastening solutions including blind bolting systems.
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ivit explains that blind bolts are a very fast fastening system featuring strong resistance to vibrations and high shear and tensile strength. The fast placing is given by the non-use of complementary traditional fasteners such as bolts and nuts, which combines ease of installation requiring no special skills. The blind bolting system consists of a bolt and a collar and the fixing is given by the moulding of the collar on the locking lines of the bolt itself. Rivit offers two types of blind bolts: Rivlocks are standard blind bolts, while Rivlockgrips have a wider grip range which means that only a few types of bolts are needed to cover a wide range of thicknesses to be tightened. Rivit points out that blind bolts are suitable for various applications in industries such as railway construction, automotive, ventilation, metal structural works, and shipbuilding. Blind bolts are particularly useful in applications where disassembly is not necessary. “The main advantages of the blind bolting system are the reduction in the time necessary for installation, steady
New series of full nylon lock nuts Bülte Plastics explains that its self-locking nuts are ideal for applications that require extra security as they eliminate backlash without sacrificing efficiency.
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his type of nut is more effective than standard hex nuts because it includes a non threaded part which closes around the thread creating a lock between the two threads. Self-locking nuts are used as a secure fastening nut for joining various kinds of parts. They are manufactured from natural polyamide 6.6 that, when combined with steel screws, provides low drag torque and smooth operation throughout the life of the assembly (preferably not reusable). They also save weight over the conventional steel/nylon lock nuts. The cost effective plastic nuts are widely used in a variety of industrial applications (electronic and electrical equipment, construction, furniture and medical industries) requiring such properties as strength, corrosion resistance, oil resistance, low weight alternatives and low thermal conductivity. The working temperature range is -30°C to +100°C and metric sizes include M5, M6, M8, M10 and M12. Bülte self-locking nuts can also be supplied in PP, PE and PVDF and in a wide range of colours to suit customer requirements. A full catalogue is available on request.
28 Issue 2 July 2011 • www.fastfixtechnology.com
mechanical features, ease of installation and check.” For the installation of the blind bolts customers can use RIV508, hydro pneumatic riveting tool for structural blind rivets and bolts, or the booster version RIV508B, allowing a customer to place structural rivets up to 7.8mm diameter and Rivlock, Rivlockgrip blind bolts up to 6.4mm diameter. RIV509, a portable hydro pneumatic tool for blind bolts, and the booster version RIV509B, were specially designed by Rivit to place blind bolts and they are ideal for placing Rivlocks and Rivlockgrips up to 10mm diameter. Both tools feature a considerable tensile strength and a remarkable return force (airdraulic piston), essential for the expulsion of the collar.
Meeting the demands of the marine industry Southco® says that its stainless steel R4-10 rotary latch brings corrosion-resistant durability to a proven latching solution suitable for vandal-proof and watertight storage areas.
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onstructed of 304 grade stainless steel, the R4-10 meets marine requirements in performance and salt spray. The concealed latch allows flexible styling of the storage compartment area and accommodates
misalignment between the latch and striker bolt. A double stage latching option provides additional security and functionality. Stainless steel actuators and cables are available for multipoint latching solutions, and the new 316 grade stainless steel AC-M1 actuator delivers corrosion resistance and enhanced security to the toughest environments. The R4-10 is available in low minimum order quantities and features varied strength options to meets customers’ application requirements. Product manager Manan Patel adds: “The new R4-10 is designed to withstand the toughest environments and provide enhancements to applications needing an upgraded latching system.”
Fastener + Fixing Technology
Helping to build India Gage Bilt Inc has been manufacturing blind rivet and lock bolt tools at its plant in Clinton Township, Michigan, USA, since 1956. These tools are designed to install blind rivets and lock bolts for the global aerospace and commercial markets.
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n the commercial side the Gage Bilt tools are used to construct many typical infrastructure projects, such as:
Rail industry
The Gage Bilt lock bolt tools are used to assemble the actual train rails. Since the lock bolt is difficult to remove it offers a degree of tamper resistance. Once the lock bolt collar is swaged onto the lock bolt pin by the Gage Bilt tool it resists vibration and shock loads. The only way to remove the collar is to burn it off with a torch or cut it off with a special tool. In addition Gage Bilt tools install the lock bolts and blind structural rivets used to assemble the freight and passenger cars for the rail industry.
Buildings The steel superstructure and architectural metals of buildings are assembled using Gage Bilt tools. Large diameter lock bolts from ½ inch to 7 /8 inch are typically used to construct the buildings superstructure. The lock bolts will resist vibration, offer high shear strength and consistent clamp loads. The Gage Bilt tool eliminates the variability of torque in nut and bolt assemblies. Large diameter blind structural rivets up to 3 /8 inch diameter are installed with Gage Bilt tools to assemble aluminium cladding to aluminium extrusions in windows and other building trim applications.
Bridges Lock bolts are commonly used to assemble bridge structures that need to flex. The Gage Bilt large diameter lock bolt tools are used on the job site and are powered by electrical booster units. “Just as Gage Bilt helped build America we are helping to build India and other growing economies around the world.�
Fastener + Fixing Technology
Right Tight expands manufacturing capacity Established in 1979, Right Tight Fasteners PVT Ltd (RTF), based in Nashik, India, has gained a reputation in the industrial sector for supplying fasteners and customised products for a wide range of critical applications in the automotive, agricultural, heavy engineering, chemical, and military sectors.
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TF is ISO/TS 16949:2009 certified and has facilities covering 25,000m2 across five locations. The company has recently undergone an expansion programme to expand its bolt manufacturing capacity to approximately 10,000 metric tonnes in the size range of M5 - M22. RTF is also able to offer heat treatment, zinc plating, zinc aluminium flake coating facilities, bolt formers and secondary operation machines. “Our aim for the future is to cover a wider market with a focus on high quality, innovative products and excellent service.”
Advertisers index ACT Fasteners & Components Ltd................................ 26 Alloy + Stainless Fasteners Inc........................................ 2 Bollhoff GmbH.............................................................. 24 Dörken MKS-Systeme GmbH & Co. KG......................... 32 DS Fasteners Ltd........................................................... 26 Faster SRL....................................................................... 9 Fastener Expo Jiaxing................................................... 13 GDPA Fasteners............................................................ 19 Landmark Fasteners Pvt Ltd............................................ 9 LPS Bossard Pvt Ltd....................................................... 27 Multiple Overseas Exports............................................. 21 NIFSME......................................................................... 12 ND Industries................................................................ 15 Ornit Blind Rivets........................................................... 25 Precision Technology Supplies..................................... 17 Right Tight Fasteners Pvt Ltd.......................................... 30 Rivit Srl.......................................................................... 31 Shanghai Rivet Manufacture Co Ltd............................... 7 Sheh Kai Precision ....................................................... 29 TR Fastenings.................................................................. 1 Vlier Products................................................................ 17 Wafios Umformtechnik GmbH........................................ 5 WPI Services B.V. ............................................................ 9
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