2014/09 - Bullk Handling Today

BULK

HANDLING Endorsed by: CMA l LEEASA l SAIMechE l SAIMH l

T O D A Y

September 2014

Protea Conveyors S.A. (Pty) Ltd BELTING FOR FIERY MINES WINNING GEARBOX DESIGN RECIPE

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Renold Crofts

SEW

Loadtech

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The conveyor for a new milling plant

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IT PAYS TO KEEP THE RIGHT COMPANY Find out if you qualify to #JOINOURTABLE at www.pps.co.za

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Jacques Kruger, technical manager at Conveyor & Industrial Supplies (CIS)

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The gearbox casing is manufactured in-house

Pulley manufacturing usually takes place according to specifications provided by the customer

Pulley shafts on the production line

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Geared reducer failures

Failures of reducer shafts

The conveyor drive

Figure 1. A simplified conveyor drive

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Failure of the gear teeth of conveyor reducers

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Pitting failures of gears

Bending failures of gears

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The use of finite element analysis for gear strength and failure investigation

BMG-MAT10092014-BH.ps H:\!BMG\#Jobs\Adverts\2014\092014\BMG-MAT10092014-BH.cdr 10 September 2014 03:21:33 PM Color profile: Disabled Composite Default screen

Quality Components

Technical Expertise

Superior Service

PART OF THE PROCESS

BEE 4 VALUE ADD SUPPLIER

PROCUREMENT RECOGNITION 125%

ISO 9001

Certified

Materials Handling Solutions That Deliver.

BMG offer a complete range of products for materials handling applications - from belting, motors and drives through to bearings, seals and couplings.

In addition to our range of product solutions, we provide valuable insight in to the technical requirements of your operating process as well as foresight as to how our technical expertise, design and on-site maintenance capabilities and training can all be applied to maximize your production efficiencies.

1974-2014

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Failure of the bearings of conveyor reducers

Baseplate failures

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Coupling failures

High-speed coupling failures Low-speed coupling failures

SKF South Africa - Celebrating 100 Years of Innovative Solutions

Power Transmission Solutions SKF Power Transmission is a product line that provides a complete range of high quality belts, chains, couplings, pulleys, sprockets, bushings and hubs. Required in virtually every industry, power transmission components enable processes to run by connecting moving parts in machinery. By choosing SKF Power Transmission products, customers are investing in high quality, high performance products that enable machinery to run more efficiently.

SKF South Africa is celebrating 100 years of innovative solutions during 2014.

Drawing on five areas of competence and application-specific expertise (bearings and units, seals, lubrication systems, mechatronics and a wide range of services), SKF brings innovative solutions to OEMs and production facilities in every major industry worldwide.

The Power of Knowledge Engineering SKF South Africa (Pty) Limited Tel: +27 11 821 3500, Fax: +27 11 821 3501 Email: sales.za@skf.com, Web: www.skf.co.za

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Conclusions

Torque arm failures

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► EIA Process

► Environmental Risk Assessments

► Geographical Information Systems

► Agricultural Assessment and Advise

► Project Managment

► Wetland and Riparian Services

► Natural Resource Services

► Visual Impact Assessments

► Ecological/Biodiversity Services

► Public Participation Process

► Application Assistance

► Game Ranch Management

► Developement Research, Monitoring and Evaluation

N2 Mnini ECO Duties

Plant rescue

Durban Coal Terminal Site Inspection

Ohlanga Pump station ECO Duties

Freightpak Warehouse Site Audit

Public participation Makhabeleni

Ballito Interchange Botanical survey

Site assessment Sundumbili pipeline

l Tel: (031) 303-2835 l Fax: 086 692 2547 l l Email: info@afzelia.co.za l www.afzelia.co.za l

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Skills on Site

Septmeber 2012

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BULK HANDLING TODAY SeptSept Supply Chain Today 20142014

Gears being cut to precision

Typical damage to gear sets

A refurbished gearbox on the test rig

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The test bench at the Hägglunds local workshop

We’re ready not only to design and install, but also to service and offer full maintenance contracts to customers who choose to go the hydraulic drive route

Hydraulic direct drive systems are being used as bucket wheel drives, slew, intermediate conveyor, long travel drives as well as including luffing functions and other auxiliaries

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V13817

Protect Your Belt Conveyors with Voith Fluid Couplings.

The Voith Fluid Coupling, type TVVS, is predominantly used in belt conveyor drives. The coupling protects the drive against overload and dampens torsional vibrations. This protects your system and increases its productivity.

Key Benefits: • Very smooth start-up • Torque limiting up to 140% of nominal load • Automatic adjustment to different load states info.vtza@voith.com Tel: +27 11 418 4000 www.rsa.voithturbo.com

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CONVEYOR BELTS

N Y LIA ITA LOG NO H C TE

textile belts TEXTER

steel cord belts SIDERFLEX

tubular belts PIPEX

elevator belts TEXTILE & STEEL CORD ISO 9001

21055 Gorla Minore (Italy) Phone +39 0331 36.51.35 Fax +39 0331 36.52.15

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Via A. Colombo, 144 www.sig.it E-mail: sig@sig.it

Sept 2014

FCB CAPE TOWN 10006238CT/E

THE BLUEPRINT FOR AFRICA’S FUTURE. Engen is committed to an African success story.

With a dedicated team on the ground and a wide range of quality Industrial Lubricants, we can ensure smooth operations no matter what extreme conditions you face.

Contact us today on +27 21 403 5090 or visit www.engenoil.com.

Also available at The Oil Centre, approved distributor of Engen Lubricants.

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LIFTING EQUIPMENT ENGINEERING ASSOCIATION OF SA

LEEASA, formed in 2003, is a division of the Chamber of Engineering Technology (COET), a non-profit organisation. The association’s objectives include, but are not limited to: the transfer of knowledge and training within the field of the Lifting Industry, to improve safety, promote the use of standards and to promote Professional and Ethical practices.

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t is represented on the Engineering Council of South Africa (ECSA) and a number of ECSA committees as well as on various task teams at the South African Bureau of Standards (SABS).

What’s in it for you:

As an Individual member who is registered as a Lifting Machinery Inspector (LMI), you may qualify for any concessionary fee granted by ECSA (this could save you over R1 000 a year).

ECSA registered COET / LEEASA members are awarded one Continuing Professional Development (CPD) credit in category

3 each year. CPD is an ECSA requirement to retain registration.

Members obtain a discount on training and seminars validated by the association, especially useful in earning ECSA CPD credits.

Members benefit from the collective power of a recognised and established association and collective co-ordination in dealing with authorities in policy making and matters concerning the industry.

LEEASA has some 500 members (Individuals and Companies).

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Tel/Fax: (011) 787-1302, Email: engineer@netactive.co.za, www.leeasa.mirrorz.com 38 BULK HANDLING TODAY Sept 2014 22

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MARKET FORUM

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MARKET FORUM Pre-sink portal crane

A important lifting attachment of the Meclift ML1612R series is the double fork system that offers many benefits when loading and unloading containers or trailers.

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MARKET FORUM

Craning of the base frame

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MARKET FORUM

The Metso Vereeniging team worked tirelessly to achieve the early delivery of the apron feeder to the Northern Cape

Self-tAdjusting Skirting

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MARKET FORUM

Euromoney acquires African Mining Indaba Euromoney will incorporate Mining Indaba into its market-leading stable of global commodities and investment brands, including Metal Bulletin, Industrial Minerals, Coaltrans, IJGlobal and Institutional Investor.

communities including in 2014, major investor and mining luminary, Robert Friedland, Tom Butler, Global Head of Mining of IFC, Sir Paul Collier from University of Oxford and the CEOs of AngloGold Ashanti, Rangold and Exxaro.

Mining Indaba, which takes place every February in Cape Town, South Africa, attracts over 7 000 of the most influential professionals in African mining, making it the world's largest mining investment conference and Africa's largest mining event.

Future events will develop further opportunities for investors looking to deepen their exposure to mining in Africa.

The event attracts the most senior level speakers from the African and international investment and mining

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"Over the past 20 years, Mining Indaba has established itself as the must-attend forum for anyone active in African mining," says Richard Ensor, chairman of Euromoney. "The event is highly complementary with our commodities and investment portfolios and will benefit

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from being part of a more diverse and international platform. “With Africa expected to play a central role in the global metals and mining sector for the foreseeable future, Euromoney also intends to build on Mining Indaba’s position as a premier mining investment event by investing in content and the latest networking tools and using our strong links with institutional investors and governments around the world."

Euromoney Institutional Investor PLC Richard Ensor Email: rensor@euromoneyplc.com

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