BULK HANDLING TODAY
October 2013
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A TRUSTED INDUSTRY LEADER For 90 years, SCAW, a South African industry leader, has partnered with leading mining houses to ensure safety critical
standards
and
productivity
targets are consistently met. Whether it’s hoisting, grinding or excavating, Scaw produces an extensive range of products that drive mining safety and productivity. Backed up by teams of qualified engineers with extensive experience in all aspects of grinding media, steel wire rope, chain and cast products, Scaw’s
product
specialists
are
available to advise on the design, selection, installation and maintenance of safety critical and mining products manufactured by Scaw.
EXPERIENCE MATTERS. Join Scaw’s global safety and productivity drive, call: Scaw South Africa Grinding Media: Haggie ® Steel Wire Rope:
Tel +27 11 621 1555 Tel +27 11 842 9548 Tel +27 11 620 0000
Chain Products: Cast Products: Rolled Steel Products:
Tel +27 11 842 9303
Tel +27 16 428 6000 Tel +27 11 842 9359
www.scawmetals.com
S12127/12128/3717
The Scaw Metals Group is a South African company serving international markets.
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October 2013
Copyright
All rights reserved. No editorial matter published in “Bulk Handling Today” may be reproduced in any form or language without written permission of the publishers. While every effort is made to ensure accurate reproduction, the editor, authors, publishers and their employees or agents shall not be responsible or in any way liable for any errors, omissions or inaccuracies in the publication, whether arising from negligence or otherwise or for any consequences arising therefrom. The inclusion or exclusion of any product does not mean that the publisher or editorial board advocates or rejects its use either generally or in any particular field or fields.
Our e-mail address is bulkhandling@promech.co.za Visit our website on www.promech.co.za
The monthly circulation is 3 673
Proprietor and Publisher: PROMECH PUBLISHING Tel: (011) 781-1401, Fax: (011) 781-1403 E-mail: bulkhandling@promech.co.za www.promech.co.za Managing Editor: Susan Custers Editor: Kowie Hamman Advertising Sales: Surita Marx DTP: Zinobia Docrat / Jacqueline Nene
Subscriptions: Please email us at accounts@promech.co.za if you wish to subscribe to “Bulk Handling Today” at R440,00 (excl postage and VAT) per year; R1 100,00 per year for Africa/Overseas. Printed by: Typo Colour Printing, Tel: (011) 402-3468 FSC (Forestry Stewardship Accreditation)
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The South African Institute Of Materials Handling
SAIMH
The South African Institute of Materials Handling (SAIMH) is a Non-Profit organisation set up with an objective to encourage the transfer of knowledge associated within the fields of Bulk Materials Handling (conveyors, stacker, reclaimers, tipplers, train loading systems, etc.) through a combination of seminars and networking sessions. The SAIMH is made up of professional engineers, each practising their trade in a variety of organisations who volunteer their time to execute the SAIMH’s objective. The main aim is thus to promote the advancement of the art, science, theory and practice of the Bulk Materials Handling principles and techniques. For the SAIMH and the industry as a whole to prosper requires the support of companies such as yours and key individuals from within your organisation who share the same passion and vision within the Bulk Materials Handling industry. The advantages of being a corporate member of the Institute are as follows: • To make the industry aware of the professional standards that our members provide, • To encourage the interchange amongst members of the institute of knowledge, experience relating to all aspects of the bulk materials handling, • To promote education, training to all levels of employees within the industry, To introduce and encourage the utilisation of leading world class material handling methods and techniques, • To be able to transfer and obtain additional knowledge at the bi-monthly joint Forum lectures, • To be able to communicate through the monthly official journal (which is sent to member free of charge). These are just a few of the advantages that you will benefit from by being a corporate member. Just give us a few minutes of your valuable time and view our website, www.saimh.co.za, or email us on saimh@global.co.za and we will assist with your enquiry.
MEMBER COMPANIES Afripp Projects cc Bateman Engineered Technologies Bearings International (Pty) Ltd Brelko Conveyor Products (Pty) Ltd Bulkcon CPM Engineering CT Systems cc Conveyor Watch (Pty) Ltd David Brown Gear Industries (Pty) Ltd Deebar Mining & Industrial Supplies East Rand Engineering Services ELB Engineering Services (Pty)Ltd Engicon Systems (Pty) Ltd Facet Engineering cc GMR Hydraulics Goba Consulting Engineers Group Line Projects (Pty) Ltd Hagglunds Drives SA (Pty) Ltd Hansen Transmissions SA (Pty) Ltd Hatch Africa (Pty) Ltd Illustech
Kimrae Engineering Projects Macsteel VRN Martin Engineering Melco Conveyor Equipment Morris Materials Handling SA (Pty) Ltd Osborn Engineered Products (Pty) Ltd PD Engineering Services cc PDNA M&I (Pty) Ltd PH Projects Holdings (Pty) Ltd Quadrant PHS Renold Crofts (Pty) Ltd Rio Carb (Pty) Ltd Sandvik Materials Hanlding Africa Screw Conveyors & Material Handling Senet SEW Eurodrive Shatterprufe a Div. of PG Group Pty Ltd Spar Western Cape Super Dock Systems Unitek Engineering Zest Electric Motors (Pty) Ltd
PO Box 1047 Southdale, 2135
BULK HANDLING TODAY
SAIMH Golf Day 11 October 2012 ERPM Golf Club
Tel: (011) 867 0902 Fax: (011) 867 0036
saimh@global.co.za • www.saimh.co.za
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UPCOMING MEETINGS
October 2013
CONVEYOR MANUFACTURERS ASSOCIATION
Some Fun at our AGM Weekend
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COVER STORY
Jonty Walls, executive director of Toco Lifting
The load test bench
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October 2013
COVER STORY
The assembly of all types of wire rope slings, chain slings and synthetic slings
Steel rope sold by Toco is sourced locally from TATA
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Jeff Wain, sales manager at EDS
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The EDS milling machine
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CRUSHERS, SCREENS, CHUTES & LINERS
This is how it works
PROUDLY INTRODUCING
• Conforms to ISO9001:2008 standard • Combining availability with service
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October 2013
CRUSHERS, SCREENS, CHUTES & LINERS
Mike Newby from Wirtgen South Africa
The new EVO crusher
Markus Hofmann from Kleemann in Germany
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CRUSHERS, SCREENS, CHUTES & LINERS
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October 2013
LIFTING EQUIPMENT
It has a manual braking system when the operator wants to stop the hauling to rest, or an automatic braking mechanism which kicks in automatically
Safety was our first concern, but once we had everything covered there, we started working on refinements like reducing the friction on the pulleys
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Introducing the Combilift Straddle Carrier:
The cost effective
solution
for handling containers and oversized loads. Distributed by Toyota Forklift, it features: • 2 minute offloading from trailer to ground. • Reduced operating costs. • Reduced energy consumption. • Narrow aisles for maximum storage. • Rough terrain and ramp friendly. • Improved productivity. • 2 high container stacking. • 35 ton lifting capacity.
CUSTOMiSED HANDLiNG SOLiUTiONS
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TEL : +27 (0) 11 571 0200 EMAIL : combilift@eiegroup.co.za WEB : www.eiegroup.co.za
October 2013
The EasyHoist is a manual hoisting system which can be configured to effortlessly lift a maximum of 100 kg to a height of 50 metres by hand
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Port’s are integral to Africa’s growth plan says Johny Smith, CEO of the Walvis Bay Corridor Group
African ports must embrace partnerships and work together if they want to increase trade to their shores, according to Gert-Jan Nieuwenhuizen, a consultant at the Port of Amsterdam.
Tau Morwe, CEO of Transnet National Ports Authority, says regional co-operation will be more beneficial to countries in sub-Saharan Africa than a competitive approach.
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THE POWER OF INNOVATION
The pioneering Linde 10 to 18 Heavy Truck delivers the ultimate in reďŹ ned power, with greater reliability and handling performance for both palletized and pallet-less load handling, including containers. The Linde 10 to 18 Heavy Truck possesses outstanding agility, pinpoint precision and seamless controls, delivering smooth productivity and efďŹ ciency in a wide range of heavy industrial applications.
Linde Material Handling
For more information on Linde dealerships, products and services cotact us on Tel : +27 11 723 7000 or visit www.linde-mh.co.za
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Delivering Engineering Solutions with World Class Technology Partners Since 1919
Engineered to Deliver
Engineering Long-term Relationships
345 Rivonia Road, Rivonia, Sandton, South Africa PO Box 413149, Craighall, 2024 Tel: +27 (0) 11 772-1400 Facsimile: +27 (0) 11 325-6680 Email: sales@elb.co.za • Website: www.elb.co.za
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October 2013
Paul Munzenberger
Craig Wheeler
Figure 1: MIS and TIR measurements with a linear transducer
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Figure 2: TIR and MIS data from an ‘as supplied’ conveyor idler roll
0 -5
Level weighting (dB)
-10 -15 -20 -25 -30 -35 -40 -45 -50 One-third octave band centre frequency (Hz) Figure 3: Various standard frequency weightings that can be applied to sound measurements
Measurements
Noise
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Figure 4: Typical noise test results
TP oC
)
2
22.5 22 21.5 21 20.5 20 19.5
RH %
(
p pref
84 82 80 78 76 74 72 70
BPhPa
Lp = 10 log 10
1016.5 1016 1015.5 1015 1014.5 1014
8:40PM 9:00PM 9:20 PM 9:40 PM 10:00PM 8:50 PM 9:10 PM 9:30 PM 9:50 PM 10:10 PM TP
RH
BP
Figure 5: Typical weather data
TIR Conveyor Idler Rolls MIS Conveyor Idler Rolls Group
TIR (mm)
MIS (mm)
Group
TIR (mm)
MIS (mm)
0.00
0.24
0.019
0.050
0.57
0.088
0.50
0.51
0.035
0.100
0.24
0.152
0.75
0.80
0.049
0.150
0.24
0.220
1.00
1.00
0.062
0.200
0.25
0.288
As Sup.
0.49
0.093
Table 1: Conveyor idler roll TIR and MIS
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Results
L eq (dBA)
Figure 6: TIR and MIS data for a 0.5 mm offset TIR conveyor idler roll 102 96 90 84 78 72 66 60 54 48 42 36
0.20 MIS 0.15 MIS 0.10 MIS As Supplied 0.05 MIS 1.00 TIR 0.75 TIR 0.50 TIR 0.00 TIR
Conveyor Velocity (m/s)
No Idlers
Figure 7: Combined conveyor idler roll noise data
L eq (dBA)
6 m/s 5 m/s 4 m/s 3 m/s
Average TIR (mm) Figure 8: Noise results for TIR conveyor idler rolls
Li = 10log 10 (10Lpt/10 - 10Lc/10)
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October 2013
L eq (dBA)
6 m/s 5 m/s 4 m/s 3 m/s
Average MIS (mm) Figure 9: Noise results for MIS conveyor idler rolls 6 m/s 5 m/s
L eq (dBA)
4 m/s 3 m/s As Supplied 6 m/s As Supplied 5 m/s As Supplied 4 m/s
Average MIS (mm)
As Supplied 3 m/s
Figure 10: ’As supplied’ conveyor idler roll noise results compared with MIS conveyor idler roll data
Discussion L eq (dBA)
6 m/s 5 m/s 4 m/s 3 m/s
Average MIS (mm) Figure 11: 0 mm MIS data added to Figure 20
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Figure 12: Noise fluctuations due to the conveyor belt
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October 2013
Conclusion
Figure 13: One cause of the noise fluctuations
Coralynne & Associates +27 (011) 422 1949
ABSOLUTE MATERIAL FLOW CONTROL
• • • • • •
Optimum material flow Up to 80% decrease in material degredation Reduced dust and noise levels Virtually maintenance free Great reduced spillage Significant reduction in belt damage
Tel: +27 (0) 11 827-9372 Fax: +27 (0) 11 827-6132
w w w . w e b a c h u t e s . c o m
•
w e b a @ m j e n g . c o . z a
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October 2013
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ROCK SOLID PERFORMERS. The New Generation 9 Terex ® Articulated Truck Range The new range of Terex articulated trucks boasts hauling capacities from 25 tonnes to 38 tonnes. With our TA250, TA300 and TA400, we’ve got the right product for every application. Designed to increase your productivity and profitability, our new range of articulated trucks are powered by Scania®engines, which are renowned for high uptime and reliability, proven fuel efficiency, and ease of maintenance, underpinned by an excellent worldwide service network.
Gauteng +27 11 966 2000
Namibia +264 811290050
What this means for you: Improved fuel efficient engine with up to 12% less fuel consumption * Enhanced productivity thanks to increased horsepower and torque High capacity cooling system providing excellent performance in all climates, from arctic to desert conditions Fully independent front suspension as standard on TA300 providing outstanding ride and operator comfort Fully tilting cab and electronic assisted hood raise for ease of access to service points and reduced downtime *Compared to Tier 3 TA300 in back to back testing.
Call +27 11 966 2000 for more info or visit our new website: www.eiegroup.co.za
Botswana +267 3957044
Zambia +360 965 896433
Zimbabwe +263 772 220835
© Terex Corporation 2011 – Terex is a registered trademark of Terex Corporation in the United States of America and many other countries.
02434 ADT Ad-South Africa 295x225.indd 1
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EVERY CRANE AND HOIST SHOULD HAVE ONE LIFTING MORE THAN JUST THE STANDARDS IN THE CRANE AND HOIST SERVICE INDUSTRY Documented control of your crane and hoist Inspection, Servicing, Maintenance, Modernization and Load Testing 5 Jurie Street, Alrode, Alberton Tel +27.11.864 2800 * 076 403 3184 John.MacDonald@konecranes.com www.konecranes.co.za
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MARKET FORUM
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October 2013
MARKET FORUM
Assembled Fluidrive Coupling on Test Bench (Test Facility)
Seen together with Dinotshi team members are Barloworld Equipment Cat sales professional, Michael Winterbottom (third from left, standing) and (far right, standing) Faizel Mahomed, Dinotshi’s general manager
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A VSL screen manufactured by MBE Minerals Dean Harty
Johannes Kottmann MD, MBE Minerals SA
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Wednesday 23 and Thursday 24 October 2013 Supported by Jawaharlal Nehru Port Trust The Leela Kempinski Hotel Mumbai, India
Thursday 21 and Friday 22 November 2013 Hosted by Transnet National Ports Authority The Boardwalk Convention Centre, Port Elizabeth, South Africa
Thursday 23 and Friday 24 January 2014 Hosted by Mauritius Ports Authority Le Meridien Hotel, Mauritius
Thursday 27 and Friday 28 February 2014 Supported by Port of Melbourne Corporation Intercontinental Melbourne The Rialto, Australia
Thursday 27 and Friday 28 March 2014 Hosted by Nigerian Ports Authority Lagos Oriental Hotel, Nigeria
Wednesday 23 and Thursday 24 April 2014 Kenzi Farah Hotel, Marrakech, Morocco
Wednesday 21 and Thursday 22 May 2014 InterContinental Doha The City, Qatar
Wednesday 11 and Thursday 12 June 2014 Hosted by Indonesia Port Corporation I,II,III and IV JW Marriott, Jakarta, Indonesia
Wednesday 3 and Thursday 4 September 2014 The Marmara Taksim Hotel, Istanbul, Turkey
Thursday 23 and Friday 24 October 2014 International Convention Centre Durban, South Africa
Thursday 27 and Friday 28 November 2014 Supported by Chennai Port Trust ITC Grand Chola Chennai, India
Thursday 29 and Friday 30 January 2015 Hosted by Port Maputo Maputo, Mozambique
Thursday 19 and Friday 20 March 2015 Lagos, Nigeria
Wednesday 10 and Thursday 11 June 2015 Hosted by Indonesia Port Corporation I,II,III and IV JW Marriott, Jakarta, Indonesia
Thursday 29 and Friday 30 October 2015 Lusaka, Zambia
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MARKET FORUM
EVO Hi-Speed Roller Cradle
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October 2013
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MARKET FORUM
Largest to Date
Excavators - XE335C and XE470C
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October 2013
Turnkey Expansion Project
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October 2013
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Konecranes CXT Biomass crane
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MARKET FORUM
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