Bulk Handling Today September 2019

BULK

HANDLING Endorsed by: CMA l LEEASA l SAIMechE l SAIMH

T O D A Y

Sept 2019

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LEVEL 1 B-BBEE

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BULK

HANDLING Endorsed by: CMA l LEEASA l SAIMechE l SAIMH

T O D A Y

Sept 2019

BULK

HANDLING Sept 2019

Contents

VICTIMISING INDIVIDUALS WHO REPORT NON-COMPLIANCE EFFECTIVELY REMOVING POTENTIAL CARRYBACK

On the cover: thyssenKrupp Industrial Solutions Tel: (011) 236-1000 www.thyssenkrupp-industrialsolutions.com

T O D A Y

CMA News 5

Partnerships

From the Desk

24 Leading Brands Offer a Holistic Solution

Cover Story 6

The Cusp of a Crushing Revolution

Coal Sampling 8

Expenditure 26 Adopting a Modular Design Saves Money

Testing and Refining

Earthmoving 11 Advanced Loaders for Advanced Tasks 12 Rugged Excavators for Tough Conditions

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Market Forum

Endorsing Bodies •

CMA (Conveyor Manufacturers Association)

•

LEEASA (Lifting Equipment Engineering Association of South Africa)

Mining Regulations

•

SAIMechE (SA Institution of Mechanical Engineering)

Ports and Terminals

•

SAIMH (SA Institute of Materials Handling)

Nanofabrication

•

also mailed to members of the RFA (Road Freight Association)

Conveying

14 High Performance with a Reduced

Ownership Cost

Mining

16 Optimising Ore Flow 17 Catastrophe Looming in Surface

Mining Industry 18 Improving Handling Efficiencies 23 Working at The Atomic Layer

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.bulkhandlingtoday.co.za

The monthly circulation is 3 673

Proprietor and Publisher: PROMECH PUBLISHING Tel: (011) 781-1401 E-mail: bulkhandling@promech.co.za www.promech.co.za Managing Editor: Susan Custers Advertising Sales: Louise Cresswell DTP: Sanette Badenhorst Administration: Netta Janse van Rensburg Subscriptions: Please email us at accounts@promech.co.za if you wish to subscribe to “Bulk Handling Today” at R550,00 (excl postage and VAT) per year; R1 380,00 per year for Africa/Overseas.

Printed by: Typo Colour Printing, Tel: (011) 402-3468 FSC (Forestry Stewardship Accreditation)

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September 2019

3

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September 2019

CONVEYOR MANUFACTURERS ASSOCIATION

From The Chairman’s Desk

T

he CMA has a new training course to add to the repertoire. The Transfer Chute Design course was scheduled for early September, but as this was deemed to be at too short notice, it has been postponed until February next year.

Transfer chutes are used as a method to transfer bulk material from one conveyor to another. There are however many poorly designed chutes that cause plant downtime, spillages and generally low plant availability due to blockages, excessive wear, impact damage to conveyor belting, misalignment due to skew loading, etc. The majority of these problems can be prevented by correctly designing the transfer chute.

We present and explain the basic design principles of “guided flow” hood and spoon chutes, rock/ dead box chutes and combinations of these two chute concepts.

The course also covers the use of Discrete Element Modelling as a tool to supplement the traditional calculation methods. Since DEM is widely used throughout the industry, this forms an important part of the course and we focus on DEM analysis and calibration methods.

The course also covers the practical aspects: • Understanding material properties – cohesion/ adhesion • Minimising dust generation

Jay Pillay

• • • •

Minimising spillages Wear liner selection Diverter gate selection / flopper gate design Skirting and impact stations

The three days of theory are followed up with an (optional) assignment. Candidates who hand in the assignment may then write an examination.

Anyone interested in doing this course may contact the CMA or visit the website for dates and costs, and download an application form.

Jay Pillay Chairman

Membership at September 2019 All members subscribe to the CMA Code of Ethics Acrow Limited Actom Afripp Projects Altra Industrial Motion South Africa (Pty) Ltd Bauer Bearings International Belt Brokers Belting Supply Services BMG Bonfiglioli Power Transmissions Bosworth Brelko Conveyor Products CedoTech cc Closeal Manufacturing Collisen Engineering ContiTech South Africa (Pty) Ltd Conveyor Watch (Pty) Ltd Conveyor & Engineering Equipment CT Systems David Brown Gear Industries DRA Projects SA (Pty) Ltd Dunlop Belting Products Dymot Engineering Company

ELB Engineering Services Electromote (Pty) Ltd Fenner Conveyor Belting (South Africa) Flexco SA (Pty) Ltd FLSmidth Roymec Giza Technologies (Pty) Ltd Habasit South Africa (Pty) Ltd Hägglunds Drives South Africa Hatch Africa (Pty) Ltd HMA South Africa (Pty) Ltd Hosch - Fördertechnik (SA) International Belting & Marketing (Pty) Ltd Iptron Technology cc KevConBelt (Pty) Ltd Leoka Engineering Lesa Mining Equipment and Conveyor Belt Lorbrand Magnet Service Binder CC Martin Engineering Melco Conveyor Equipment Merlin consulting (Pty) Ltd Moret Mining

Nautilus Projects (Pty) Ltd Nepean Conveyors OE Bearings Oriental Rubber Industries SA Osborn Engineered Products Pegasus Industrial Services cc Regal Beloit South Africa Rema Tip Top South Africa Ringspann South Africa Rossi Gearmotors (Pty) Ltd Rula Bulk Materials Handling SENET SEW Eurodrive Shaft Engineering (Pty) Ltd SKF South Africa Tenova Takraf ThyssenKrupp Industrial Solutions South Africa (Pty) Ltd Timken South Africa (Pty) Ltd Transvaal Rubber Company Voith Turbo Weba South Africa (Pty) Ltd WorleyParsons RSA Zest Electric Motors

BULK HANDLING TODAY

September 2019

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COVER STORY

The Cusp of a Crushing Revolution thyssenkrupp’s new hard rock ERC is smaller, more efficient and suitable for processing a range of commodities above and underground

T

he Eccentric Roll Crusher (ERC) is a unique new crusher on the market.

Designed, developed and manufactured by thyssenkrupp, the ERC beat the designers’ efficiency expectations in testing and offers miners and mineral processing plants a faster, cheaper way to process minerals.

Wilfred Barkhuizen

“Compared to normal crushers it is revolutionary,” says Wilfred Barkhuizen, GM Minerals Processing, Energy and Power at thyssenKrupp Industrial Solutions subSaharan Africa. "Bulk Handling Today" found out what’s got the usually calm, intellectual engineer so excited.

“The ERC is something unique to thyssenkrupp and has so many benefits. It’s a completely new machine with unique features. The design is innovative, and different from conventional crushers.

The ERC is not part of the normal crusher families.”

More efficent

Wilfred says the starting point for the new design was to find a more efficient way to crush materials including platinum, copper, kimberlite, iron ore – basically all the bulk and precious metals.

In the test phase it delivered almost twice the throughput we expected “The design team in Germany came up with a completely new solution.” Developed over two years and tested for more than six months, the ERC outperformed expectations.

The ERC was tested in the crushing of andesite, a material with strengths of up to 200 MPa that are similar to many copper and iron ores. “In the test phase it delivered almost twice the throughput we expected,” Wilfred shares.

Parameters of the ERC 25-25

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Crusher height

20 – 50% reduction compared to conventional primary crushers

Throughput (t/h)

2500 – 3100

Feed opening (W x H, mm)

2500 x 1280

Max feed size (L x W, mm)

2200 x 1100

Gap setting CSS (mm)

70 – 220

Motor size (KW)

450 – 600

Feed material type

Hard rock and ore

BULK HANDLING TODAY

September 2019

He says thyssenKrupp will test different applications to see how more efficient they are and what the benefits will be for different projects.

Being more compact, unit costs are expected to be lower due to the higher crushing efficiency – the ERC can process more, faster - throughputs of up to 8,000 metric tons per hour can be achieved

Features and benefits

The ERC design is particularly compact and robust with an integrated screen that increases efficiency as fine material is discharged directly and not passed through the crushing chamber. This reduces the power consumption as well as the risk of material compaction and overloading the machine. It also minimises wear on the crushing elements.

Another benefit is the integrated automatic gap adjustment. As part of the crushing chamber, the adjustable swing jaw enables the gap to be specifically adapted to suit a required product. The adjustment range of up to 200 mm for the largest model is sufficient for adjustment of the gap to offset wear on the crushing elements.

An overload protection function is also integrated into the gap adjustment. A special hydraulic cylinder controls the pressure - and the load in the crushing chamber. When the acceptable load is exceeded, such as by non-crushable foreign bodies, the valve opens and the gap is increased. This protects the crusher against overload damage.

The ERC is impact resistant. When large chunks of material are fed into the crushing chamber, they do not fall directly onto the mounted working element, but hit the hood, which is significantly more resistant to such loads than other components. That is a key advantage over many conventional crushers.

The crusher is suitable for operation in both underground mines and mobile or semi-mobile crushing plants in open-pit mining.

The ERC was unveiled at this year’s bauma exhibition and the first unit was ordered and is in operation. Wilfred says they are seeing a lot of interest in the ERC locally.

“The ERC comes with less components– so is quicker and easier to assemble and install. It’s balanced so vibrations and loads are limited.

This all contributes to a much easier structure,” Wilfred highlights.

“With its unique features, materials can be processed much more efficiently,” he concludes. thyssenKrupp Industrial Solutions Wilfred Barkhuizen, Tel: (011) 236-1000 www.thyssenkrupp-industrial-solutions.com

BULK HANDLING TODAY

September 2019

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COAL SAMPLING

Testing and Refining A proprietary testing procedure developed specifically for local coal samples by WMP Consultants for the Telligent Dry Separator (TDS) has been trialled successfully at the Dadi Engineering Development Group sister company Meiteng Technology by consultant Tony Weatherby on behalf of Aury Africa.

T

ony has refined the procedure to test coal samples in the TDS, characterising all of the components of the sample prior to a full test. “I changed the sample procedure in such a way that we can actually characterise the various elements of the coal seam before we apply the necessary algorithm, thereby giving a much better calibration curve.�

Samples sent for validation

As a result, Aury Africa is in the process of sending a 20 ton bulk sample to China for validation of the test initial results, followed by a further six run-ofmine (ROM) samples of discard and coal-recovery samples from various customers.

Essentially coal is conveyed on an enclosed, single-layered conveying system that incorporates dual X-ray technology A particularly exciting development has been the successful testing of a sample from a discard dump in KwaZulu-Natal, containing a mixture of bituminous and anthracite coal from two separate mining streams. The TDS was able to clearly differentiate the two materials in the sample, which means that discard dumps can be turned into potential sources of additional revenue for mining operations.

The fact that the TDS is not water-based not only reduces the footprint of mineral-processing plants

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BULK HANDLING TODAY

September 2019

due to the downscaling of the dense medium separation (DMS) circuit as a result, it also means that slurry material is reduced drastically, thereby offering an environmental benefit, in addition to overall cost-savings.

Intelligent technology

The TDS constitutes intelligent dry separation technology. Essentially coal is conveyed on an enclosed, single-layered conveying system that incorporates dual X-ray technology.

The system features image-identification technology with the separator accurately identifying and separating coal and its components, without using water or any other medium. There is also no slime generation, with the TDS subsequently producing a higher yield of coarse coal at low operational cost at an increased return-oninvestment, compared to conventional process systems.

The fact that the TDS is not water-based not only reduces the footprint of mineral-processing plants due to the downscaling of the Dense Medium Separation (DMS) circuit as a result, it also means that slurry material is reduced Aury Africa Sydney Parkhouse Tel: (011) 026-6642 Email: syd@auryafrica.co.za www.auryafrica.co.za

The technology can process 300mm to 50mm and 150mm to 25mm raw coal, with an upper throughput of about 400 tph. The higher tonnage output makes the TDS more efficient compared to competitor dry sorter technology.

BULK HANDLING TODAY

September 2019

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BULK HANDLING TODAY

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EARTHMOVING

ADVANCED Loaders for Advanced Tasks Caterpillar has released 16 new Cat D3 Series skid steer loaders (SSL) and compact track loader (CTL) models. These new machines advance the D and D2 Series’ reputation for quality, comfort, and performance and deliver improvements in operator experience, and track loader stability. The D3 Series models also support a line of new smart attachments.

This advanced machine technology recognises certain attachments and tailors the controls and operator information to match the tool and the task.

are geared to deliver high torque digging performance as well as high top-end speed for travel.

The 279D3 and 289D3 loaders boast a 13.6kph top-end ground speed, a 20 percent increase over their D Series counterparts. The new models are now built with 2 speed transmission as standard, versus the previous single speed, increasing travel speed by 9 percent and aligning these models with the rest of the two-speed equipped CTL model range.

he new D3 Series loaders are equipped with an enclosed cab and feature a wider opening cab door. Additionally, the distance between joystick pods has increased by 76 mm, offering extra space for the operator inside the cab to deliver a more comfortable experience.

The D3 loaders deliver smart technology that ushers in a higher level of integration between the machine and new smart attachments. This advanced attachment technology will allow the D3 Series Cat SSL and CTL models to automatically recognise the attachments and convert machine controls to align with the operational and informational needs of that attachment.

Advanced control

T

Machine technology recognises certain attachments and tailors the controls and operator information to match the tool and the task The Cat D3 Series CTLs deliver improved operating stability while handling heavy loads, grading or truck loading. Changes to the undercarriage frame and torsion axles reduce machine pitching and rocking, while still offering superior ride comfort.

Cat loaders offer advanced control features that include return-to-dig and work tool positioner to assist operators with repetitive tasks like grading, digging, and loading. These items are now bundled together with the dual direction self-level feature so that even more operators will be able to take advantage of features that automate machine functions to allow these tasks to be completed with less user interaction and expertise.

All Cat D3 Series CTLs feature two-speed travel to improve performance at the jobsite. These machines

Cat www.cat.com

Raising compact track loader standards

BULK HANDLING TODAY

September 2019

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EARTHMOVING

Rugged Excavators for Tough Conditions suppliers’ association (Conmesa) 30.1 to 35.0 tons HPE Africa has recently launched two new series of Hyundai (R330LC-9S) and 45.1 to 50 tons (R480LC-9S). excavators, the R480LC-9S range and R330LC-9S machines, designed for high performance in tough conditions in “Expansion of our range means customers various industries, including construction, mining have access to more machines, with A and quarrying and agriculture. greater capacity options and are able newly-

S

to select the right size excavator, with designed highays Alex Ackron, managing no compromise on performance.” strength operator cab director HPE, “Through the Ticking all the boxes ensures exceptional launch of our R480LC-9S The R480LC-9S track-mounted visibility for greater safety and R330LC-9S ranges, we excavators have an operating are now able to supply equipment on site and groundweight of 49 500kg, with a 3,2m³ that falls under the following mass line access to rock-bucket capacity and a digging categories/classes as stipulated by components force of 266,4kN. These machines, the construction and mining equipment

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with a 621 litre fuel tank, have a 600mm shoe tank and a 600mm shoe width, are fitted with a width and are fitted with a 6,55m boom and 2,40m 6,45m boom and 2,50m arm. The hydraulic pump arm, with an arm crowd force of 301,7kN. operates at 2 x 282 litre/min.

Other The hydraulic pump operates at 2x380 R330LC-9S excavators are fitted litre/min. noteworthy with HCEC_HM8.3 low-emission, These tracked excavators are fitted with low-emission, water-cooled Cummins QSM11-C 4-cycle diesel engines, with power ratings of 263kW @ 1 900rpm, offering high power, reliable performance and fuel efficiency.

features include water-cooled 4-cycle diesel engines, with power ratings of hydraulic system 196kW @ 1 900rpm. improvements and computer aided power, Other noteworthy features include hydraulic system imwhich ensure enhanced provements and computer performance, smoother aided power, which ensure enoperation and precisionhanced performance, smoother control operation and precision-control. A

Hyundai R330LC-9S excavators, with an operating weight of 32 700kg, offer a standard 1,44m³ bucket, a digging force of 205,5kN and arm crowd force of 194,2kN. These machines, with a 500 litre fuel

newly-designed pump compartment controls functions like two speed travel, power boost, auto boom-swing priority and a safety lock.

Built tough

The strengthened undercarriage improves performance in arduous operating conditions, particularly in the mining and quarrying sectors. Durable covers have been specially designed, to protect travel motors and hoses against damage from rocks.

Lubricated rollers, idlers, track adjusters with shock absorbing springs and sprockets and a track chain with double or triple grouser shoes, form part of this robust undercarriage.

For added strength and durability, all buckets are welded with high-strength steel and booms and arms are welded with a low-stress, full-box section design.

A newly-designed high-strength operator cab ensures exceptional visibility for greater safety on site and ground-line access to components enables easy maintenance, minimising downtime.

HPE Africa Lani van der Watt Tel: (011) 397 4670 Email: lani.vdwatt@hpeafrica.co.za www.hpeafrica.com

Two new series of Hyundai excavators – the R480LC-9S range and R330LC-9S machines – designed for high performance in tough conditions in various industries, including construction, mining and quarrying and agriculture.

BULK HANDLING TODAY

September 2019

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CONVEYING

High Performance With a Reduced Ownership Cost A new secondary conveyor belt cleaner has been engineered specifically for challenging applications where traditional designs fail to deliver the necessary performance or wear life.

T

he CleanScrape Secondary Cleaner (CS2) from Martin Engineering is particularly effective in conditions where continuous production is a high priority or cleaner service is difficult, including corrosive or high-temperature environments.

Typically requiring just one re-tensioning during its

lifespan, the low maintenance requirements and cleaning ability help reduce cost of ownership in a wide range of industries, such as mining, coal processing, quarrying, cement production, scrap and other bulk material handling operations.

A light touch

An excellent solution for areas with restricted space, the unique all stainless steel design incorporates a matrix of specially-engineered carbide tips and is tensioned lightly to prevent damage to the belt or splices. Despite extremely low contact pressure between belt and cleaner, it has been shown to effectively remove potential carryback material that was not dislodged by a primary cleaner. The carbide cleaning surfaces deliver excellent performance, and the unit’s light touch helps protect against belt wear.

Because it only needs tensioning once during its lifespan, the maintenance requirements are very low “Many carbide-tipped belt cleaners require high pressure against the belt in order to be effective, and they typically need to be re-tensioned often throughout their service life,” says Chief Technology Officer, Paul Harrison. “This design is extremely effective with light tension against the belt, which helps avoid the damage to belts and slices that can occur with other carbide-tipped secondary cleaners. And because it only needs tensioning once during its lifespan, the maintenance requirements are very low.”

Getting the angle right

The new secondary belt cleaner is engineered to minimize maintenance and conveyor stoppages

Paul says that the negative rake angle of the CS2 is also key to the new design. “Some manufacturers use a positive angle of attack at the secondary position, which is greater than 90 degrees,” he says.

“That’s common in a urethane primary cleaner, which is tensioned tightly against the pulley. But using a ‘peeling’ action in a secondary cleaner can damage and prematurely wear the belt cover. It can

The matrix of carbide tips is tensioned lightly to prevent damage to the belt or splice

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The unique stainless steel design incorporates a matrix of spring-loaded carbide tips

A negative rake angle delivers outstanding cleaning performance with low belt pressure

be catastrophic on “beaver tails” (small sections of belt damage where a section of the top cover has separated from the belt carcass). With a negative rake angle and the ‘scraping’ action it provides, the CleanScrape Secondary Cleaner delivers better performance, while mitigating potential belt damage.”

An excellent solution for areas with restricted space, the unique all stainless steel design incorporates a matrix of specially-engineered carbide tips and is tensioned lightly to prevent damage to the belt or splices “This new design is engineered to withstand high production demands in which maintenance and conveyor stoppages must be minimised,” he concludes. “The combination of CleanScrape primary and secondary cleaners offers these customers a matched set of components that require half the maintenance of conventional designs, helping to reduce service costs and production downtime.”

The CS2 typically requires just one re-tensioning during its lifespan, helping to reduce cost of ownership

Martin Engineering Email: info@martin-eng.com www.martin-eng.com

Each tip is supported on spring-loaded arms at both ends

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MINING

Optimising Ore Flow Specially designed ore silo chutes from Weba Chute Systems will be installed at a South African gold mine to reduce mill wear and other processing challenges caused by the uncontrolled flow of mined material into the mills.

D

eveloped in collaboration with Kwatani, Weba Chute System’s solution must also deal with frequent large-size material as the mine has no crushing stage before the milling circuit.

Dealing with mill vomit

According to Weba Chute Systems technical advisor Alec Bond, the over-feeding of material through the existing manually-operated chutes is causing regular ‘mill vomit’ in the mine’s four mills. The inconsistent feed exacerbates wear on mill bearings as the material’s weight shifts forwards and backwards inside the mill.

Our solution was to design a robust, self-controlling chute and feeder system that would ensure an even flow of material into the mills The waves of material causing the vomit carry insufficiently milled material out of the mill, including large chunks of rock. This leads to problems for the downstream mineral processing facilities, including inefficient recovery in flotation cells and

even blockages in pumps, says Alec.

Automation part of the solution

“The challenge starts with the existing chutes needing constant supervision and control by operators, being opened and closed with a chain block device,” he says. “Our solution was to design a robust, selfcontrolling chute and feeder system that would ensure an even flow of material into the mills.”

He adds that the mine’s existing system has no means of closing the silo outlet, thus any maintenance at the chute area requires the emptying of the silo and the stoppage of the mill. Each of the four silos has three outlet chutes.

“We therefore added a spile bar arrangement which seals off the silo. The chute, which is choke fed, is placed under this installation. This allows the feed rate to be controlled by the feeder, which has been integrated into the chute design,” says Alec.

“The flow of material is also controlled to prevent direct impact onto the conveyor belt feeding the mills, and to ensure central loading onto the centre of the belt,” Alec concludes.

Weba Chute Systems & Solutions Alec Bond, Tel: (011) 827-9372 Email:info@webachutes.com, www.webachutes.com

One of the specially designed ore silo chutes from Weba Chute Systems installed at a South African gold mine

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MINING REGULATIONS

Catastrophe Looming in Surface Mining Industry A widespread breakdown in the rule of law is threatening small and medium sized surface mining operations as rulebreakers and illegal mining operations undercut legitimate operators.

I

n a sector of the mining industry that employs a large number of the country’s miners, a collapse of this nature will have a devastating impact on the economy. Yet, regulators and Government entities are turning a blind eye and in some instances promoting the proliferation of illegal practices.

Nico Pienaar, surface mining association ASAPSA director says, “A wave of illegal and undisciplined mining practices is building and may become unstoppable without urgent intervention. Gross environmental damage, serious health and safety breaches, abuse of labour legislation and tax avoidance are some of the immediate issues at stake.

Thugs gaining

“If left unchecked, however, the biggest problem by far will be the collapse of formal mines who can no longer compete on an equal footing. In many instances these mines and quarries supply essential products to build our roads, infrastructure and houses and without a large-scale and reliable supply we foresee catastrophic and widespread fallout.

We must not revert to olden days practices or Third World standards, but rather raise the bar to ensure the long-term sustainability and profitability of the industry for future generations

second highest levels of harmful sulphur dioxide in the world according to media reports. Urgent intervention is now required to prevent a health catastrophe.

“The problem has been growing for some time now and our tripartite alliance partners in Government, business and labour are well aware of our concerns. However, recent reports from some of our regions are indicating that lawlessness is starting to snowball with the market in some of these areas becoming a free-for-all.

“We are seeing municipalities allowing environmentally damaging borrow pits to be excavated simply to have easy access to build roads, illegal mines operating alongside legitimate ones with these miners sometimes threatening violence and we are seeing corrupt officials victimising individuals and companies who dare to report illegal operations or non-compliance of mines,” says Nico.

Warning bells

ASPASA director, Nico Pienaar

Nico cites two examples as potential warnings for the industry. In Kriel, Mpumalanga, local authorities, regulators and Government turned a blind eye to illegal emissions and growing air pollution from power stations and coal mining operations. This has led to the air becoming toxic and the area being awarded the dubious honour of having the

Similarly, retiring Constitutional Court Judge, Edwin Cameron, spent his final moments on the bench delivering a scathing indictment on government for inaction and misapprehension of statutory duties.

In this case it was over land reform and restitution issues arising from a 22-year-old dispute involving Hilton College that had not been properly attended and called the situation a “constitutional nearemergency.”

“This kind of inaction on the part of regulators and protectors can no longer be tolerated or we must face the inevitable failure of our industry and resultant inability to compete on a global or even regional scale. We must not revert to olden days practices or Third World standards, but rather raise the bar to ensure the long-term sustainability and profitability of the industry for future generations,” concludes Nico.

Aspasa Nico Pienaar Tel: (011) 791-3327 Email: nico@aspasa.co.za www.aspasa.co.za

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PORTS AND TERMINALS

Improving Handling Efficiencies BLTWorld takes a look at how the investment in the latest dry-bulk cargo and container handling equipment, significantly improves efficiencies at ports and terminals and minimises the environmental impact of handling operations.

“

We have seen a global trend in port infrastructure improvement initiatives, for maritime authorities to consider many critical factors in the selection of capital equipment, apart from a machine’s performance merits,” says Ken Mouritzen, managing director at BLTWorld.

“In addition to handling efficiencies, important features to consider in the selection of handling equipment include the machine’s durability for operation in harsh marine conditions, its certification for safe use in potentially explosive atmospheres and the alleviation of environmental damage from fugitive dust.

Mitigating environmental damage “A recent success for BLTWorld, was the delivery last year, of four new Samson Eco Hoppers to Kenya’s Port of Mombasa, which are used for the discharge of dry bulk materials. This equipment, which has significantly improved efficiencies of dry bulk cargo handling at the port, also mitigates environmental damage from fugitive dust," Ken adds.

Eco Hoppers at the Port of Mombasa

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“These hoppers are designed to handle the characteristics and flow properties of bulk materials, including cement clinker, coal and gypsum. They also provide dust and spillage-free unloading through a dust control system, which minimises the escape of dust during the grab discharge cycle.

We have seen a global trend in port infrastructure improvement initiatives According to port authorities, the benefits of combining a receiving unit with a mobile shiploader offer a viable and economical alternative to fixed conveyor installations, without compromising on performance or reliability.

Also on the menu The Stormajor boom feeder, which forms part of the Samson range of bulk handling equipment for shipping, also offers high handling rates. This compact unit combines the benefits of the Samson material feeder, with a radial outloading and luffing boom conveyor, into a single integrated mobile machine, that is able to receive material from tipping trucks and loading shovels.

In port operations, BLTWorld’s terminal tractors are used to safely move heavy-weight trailered

cargo to and from vessels and storage areas, to speed up operations across docks and throughout container terminals.

Terminal tractors also reduce on-site congestion and minimise demurrage costs for trucks waiting to be loaded and unloaded.

The company’s Mobicon mobile container handling system lifts loads onto and off trucks and carries containers around sites at harbours. Containers can be efficiently moved through warehouse doors, effectively taking the container to the stock or the stock to the receiving point. This capability also increases goods security and safety.

Versatility

An important advantage of this system is that it utilises all parts of the yard and operates on pavements and in restrictive areas where a forklift or heavy equipment cannot go. This mobile container handler can turn in tight spaces and is also able to travel under awnings, inside buildings and up to docks.

Meclift heavy lifting variable reach trucks and side reach stackers machines are designed for swift, efficient and safe handling of heavy loads at ports. Unlike conventional forklift trucks, these machines can drive into containers, or reach inside a container, for easy loading and unloading of goods and equipment.

Shiploaders

Samson shiploaders have minimal impact on existing port operations because they can be moved clear of the berth when they are not in use. These shiploaders have integrated specialised facilities to speed up vessel loading and trimming, which significantly reduces freight rates.

An important advantage of the Mobicon mobile container handling system is that it utilises all parts of the yard and operates on pavements and in restrictive areas where a forklift or heavy equipment cannot go Mobile container handling system

The Mobicon mobile container handling system efficiently lifts loads onto and off trucks and carries containers around sites at harbours. Containers can be efficiently moved through warehouse doors, effectively taking the container to the stock or the stock to the receiving point.

BLTWorld Ken Mouritzen Tel: (031) 274 8270 Email: ken@biglifttrucks.com www.bltworld.com

BULK HANDLING TODAY

September 2019

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TRACE In is a glo antio leading party ri

TRACE due diligence solutions are based on internationally accepted best practices and our experience and familiarity with the compliance needs of multinational companies. Services range from a denied parties screening to enhanced due diligence, including TRACE Certified Due Diligence.

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nternational, Inc. obally recognized bribery business organization and provider of third isk management solutions.

BULK HANDLING TODAY

September 2019

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SEW-EURODRIVE–Driving the world

Quality. Innovation. Efficiency.

Gear units and motors from SEW-EURODRIVE (Pty) Ltd have always set the trend and established new standards in drive technology. For this reason, the quality label “made by SEW” has become a hallmark of quality in the drive industry. Market-orientated products developed and manufactured in-house, as well as uncompromising quality, are the cornerstones of our success.

SEW-EURODRIVE – Driving the world

SEW-EURODRIVE (Pty) Ltd Eurodrive House Cnr. Adcock Ingram & Aerodrome Roads, Aeroton Ext 2 Johannesburg P.O. Box 90004 Bertsham 2013 Tel: +27 11 248 7000 Fax: +27 11 248 7289 www.sew-eurodrive.co.za

Cape Town Branch Tel: +27 21 528 7600

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Johannesburg Branch

Tel: +27 11 248 7000 BULK HANDLING TODAY

Nelspruit Branch Tel: +27 13 752 8007 September 2019

Port Elizabeth Branch Tel: +27 41 372 2244/6

NANOFABRICATION

Working at The Atomic Layer The University of Johannesburg (UJ) aims to lead the world’s research and development on nanomaterial fabrication technology. A major nanofabrication facility housing world class ALD reactors at the School of Mechanical & Industrial Engineering broke ground for construction within the Department of Mechanical Engineering Science at the Auckland Park Kingsway Campus (APK).

superconductors, and flexible electronics.

The project, scheduled to finish in four months, is one of the country’s major mega engineering facilities in Africa.

Growing research enterprise

T

he establishment of the Atomic Layer Deposition (ALD) cleanroom facility will assist in providing academics with the ability to manage material properties at an atomic level. The desired materials with preferred nanostructure can be assembled by applying layers of atoms or molecules on the substrate to simultaneously achieve the required level of performance and precise parameter control.

Practical applications of nanotechnology include the use of ALD ultrathin films in photovoltaics, optical coatings, barrier coatings to protect against tarnish and corrosion, and in a variety of semiconductors,

Special ‘sub-nano-scopic’ techniques that allow the manufacturing of individual ultra-thin films on the surface with atomic scale deposition precision and nearly prefect comformality

“This additional laboratory space, designed specifically to encourage the kind of interdisciplinary research UJ, is known for will be critical to growing the school’s research enterprise,” says Dr Daniel Madyira, acting Head of Department (HOD) for Mechanical Engineering Science.

Professor Tien-Chien Jen, the Head of the Department of Mechanical Engineering who spearheads the project says, “The ALD cleanroom facility features two state-of-the-art reactors (R-200 and R-200 advance supplied by Picosun, Oy) which are funded by the NRF NEP (National Equipment Program) and the IBP (Infrastructure Bridge Program) with a total funding of around R18 million.

This project is a critical step in the institution’s vision of Industry 4.0, providing the technological basis for the construction of a cleanroom laboratory, which will assist our engineers when they use special ‘sub-nano-scopic’ techniques that allow the manufacturing of individual ultra-thin films on the surface with atomic scale deposition precision and nearly prefect comformality.

This facility will illustrate a better understanding of the way that atoms/molecules move together to synthesise the new and functionalised materials, that may have major impacts on our ability to design and use these new nanostructure materials for vast applications in the fields of energy, materials, medical devices and semiconductors.

Vibration free

This ALD cleanroom facility will provide an ultra-low number of particle (ISO7) and nearly vibrationfree environment for the two ALD reactors (Picosun R-200 and R-200 advance), which allow the engineering squad to study numerous states and properties of various unique new nanomaterials at the atomic scale.

University of Johannesburg Dr Daniel Madyira Tel: (011) 559-555 www.uj.ac.za

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September 2019

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PARTNERSHIPS

Leading Brands Offer a Holistic Solution The combination of being able to offer two leading brands locally allows Mandirk Lifting to offer its clients complete solutions and not standalone products. Part of the Mandirk Group, Mandirk Lifting was established recently to extend the group’s total solutions approach.

T

hese two brands are Enerpac, a leader in high-pressure hydraulic tools, controlled force products, and solutions for precise positioning of heavy loads. The other brand is

GM Jaco Vorster

Largest supplier of industrial maintenance and bolting equipment in the world

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September 2019

Hoists are inverter-based for incorporation in a smart assembly line

Kito, a company specialising in materials-handling equipment such as hoists and cranes.

Japanese OEM Kito is represented exclusively in the Western and Eastern Cape, as well as in Gauteng,

by Mandirk Lifting.

Low TCO

“Kito is a premium range, but the total cost of ownership is significantly low due to the fact that repairs are rare and the maintenance is simple. It also guarantees the health and safety of personnel.

In addition, every single product is traceable to its manufacturing stage in Japan, which provides direct customer support on a global basis,” says Mandirk Lifting GM, Jaco Vorster.

A novel trade-in programme allows for opposition products that have failed to be credited towards the purchase of Enerpac products

An example of an autonomous synchronous hoist system

Another advantage is that the Japanese OEM manufactures products for all operating environments globally, meaning that products are guaranteed to operate cost-effectively and with maximum uptime in rough African conditions.

Neil Watson, Commercial Manager for Enerpac Africa, comments that Enerpac is the largest supplier of industrial maintenance and bolting equipment in the world. It has acquired three other leading companies in the last three years, a testament to its ongoing growth and dominance.

“The main industries we focus on are mining and construction, particularly in terms of maintenance of heavy earthmoving equipment. Another area is power generation, where we supply torque wrenches to coal-fired power stations, and bolt-tensioning solutions for nuclear power generation,” Neil explains.

Repairs on the increase

Enerpac-approved service centres have been established countrywide to service equipment and bring it back to its original factory condition. Given the current constraints and margin pressure in both mining and construction, Neil adds that the demand for repair and refurbishment is growing steadily.

“In terms of the EMP, we recall our products for regular check-ups in our workshops, along with additional testing and servicing. This guarantees that our products are in perfect working order all year round,” Neil concludes. A novel trade-in programme allows for opposition products that have failed to be credited towards the purchase of Enerpac products.

Mandirk Jaclyn Bilson Tel: (011) 922-5300 Email: jbilson@mandirk.co.za www.mandirk.co.za A global leader in the chain block and lever and electric hoist sectors

BULK HANDLING TODAY

September 2019

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EXPENDITURE

Adopting a Modular Design Saves Money It goes without saying that, in all industries, across all sectors, wasteful expenditure is a sure fire way to hasten a company’s demise. What comes to mind is the concept of ‘Just in Time’ manufacturing, made popular in the 70’s by the Toyota corporation which stated a company should be geared toward making just what is needed, when it is needed, and only in the amount needed.

B

ut, by over-capitalising on capex, one runs the risk of tying up much-needed capital that could be better utilised in other areas. This is where Pilot Crushtec’s modular solutions for the mining, quarrying, construction and recycling industries comes to the fore.

Once the design is defined, all the modules and individual components are sent to site, lifted into place and bolted together, not unlike a Mechano set To define the concept of the modular plant, Mark Reeves, sales engineer at Pilot Crushtec, says that the idea is modular by design and implementation.

Specific needs

“From a design perspective, you can select the components you need, for your specific application.

These units are then interlinked with conveyors and a solution is tailored to your specific needs and site specifications. Once the design is defined, all the modules and individual components are sent to site,

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September 2019

lifted into place and bolted together, not unlike a Mechano set. Additionally, should your requirements change at any point within the design process, you are able to tweak the requirements, so you have exactly the right layout, equipment, and capacity to get the job done. You get to choose what you need, when you need it, and can add modules as and when required.

"The concept would, at first, seem to be aimed at solutions for the larger companies within the market, but as we have seen over the last few years, smaller entrepreneurs and medium sized companies are on the rise. The modular solution in this case would make perfect sense for those enterprises starting off small, with an eye to growing their business and creating sustainability within a challenging global economy.

“These modular plants are extremely scalable and, as such, can cater to a wide variety of companies, irrespective of size or application. We can design and implement a solution that will process anything from 10 tons an hour to 500 tons an hour, and should your requirements change over time, additional units can be slotted in to increase production,” concludes Mark.

Pilot Crushtec Mark Reeves Tel: (011) 842-5600 Email: info@pilotcrushtec.com www.pilotcrushtec.com

BULK HANDLING TODAY

September 2019

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“THE LINK FOR AFRICAN TRADING”

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BULK HANDLING TODAY

September 2019

TRANSNET FREIGHT RAIL

www.transnetfreightrail-tfr.net

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September 2019

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MARKET FORUM

The Challenge The andersite rock found at AfriSam’s Eikenhof Quarry is one of the hardest and most abrasive aggregate materials found anywhere. Its strength and resistance to wear is what makes Eikenhof’s andersite a commodity that is sought after by the asphalt industry. It is also what makes it extremely challenging to work with. Andersite is difficult to crush, says Eikenhof works manager, Yedwa Christopher Mgxekwa.

In addition to being hard to crush, it is also hard on crushers. “Andersite has a high crushing value compared with other aggregate commodities,” Yedwa explains. “It is also abrasive, so it is extremely tough on the machines that handle it.”

Equipment longevity was a problem at Eikenhof Quarry before AfriSam turned to Osborn for a solution. Yedwa says that the quarry’s jaw crushers used to last only five years.

In 2008, Osborn supplied the quarry with a new 47x60 jaw crusher. This was, however, no standard jaw crusher,

but a machine that was customised by Osborn, in collaboration with AfriSam, to tackle Eikenhof’s challenging andersite rock.

An analysis led to specific modifications of the standard 50x60 crusher, including moving in the back wall of the crusher, to offer a better crushed product.

Other modifications that were undertaken by Osborn in order meet Eikenhof’s needs included modifying the unit’s standard spoke type flywheel to a solid disc type flywheel.

This was done to minimise the risk of Eikenhof’s hard andersite breaking the standard flywheels.

Osborn’s design interventions have extended the lifespan of Eikenhof’s jaw crusher from the previous five years to eight to 10 years.

Osborn Engineered Products Charisse Fallows Tel: (011) 820-7600, www.osborn.co.za

Osborn’s heavy-duty jaw frame is designed for difficult applications

Dymot Engineering Company (PTY) LTD Specialist Designers & Manufacturers of Winching Systems WORLD OF WINCHES

Market leaders in conveyor tensioning equipment Take up winches with Overload Protection Gravity Counterweight Handling Braked Capstans Screw Take Ups Hand & Motorised Winches Electrical Control Panels & Systems Sheaves 11 DERRICK ROAD, SPARTAN, KEMPTON PARK SOUTH AFRICA +27 11 970 1920 sales@dymot.co.za www.dymot.co.za

BULK HANDLING TODAY

September 2019

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MARKET FORUM

Aftermarket service - the key to success The secret to Cummins’ ongoing success in Africa and the Middle East is its extensive aftermarket support and wellestablished distribution network throughout the continent.

This is according to newly-appointed Cummins Distribution Director, Kwame Gyan-Tawiah.

Apart from recently launching the Power Hub in Waterfall City, Johannesburg, Cummins has a Regional Distribution Centre (RDC) for Southern Africa, also based in Waterfall, a Regional Distribution Centre (RDC) in Ghana, and has appointed its first 100%-owned distributor in Morocco. This gives the OEM a significant end-to-end logistics capability throughout the continent.

“The strength of the company lies in our focus on customer support. That makes for better products at the end of the day, and is why we have distribution organisations at strategic locations,” Kwame explains. Currently, Cummins has a presence in 12 countries in Africa, including South Africa, Botswana, Mozambique, Zambia, Nigeria, Ghana, Senegal, Zimbabwe, Angola, Ivory Coast and Morocco. In addition, it appoints independent distributors in other areas where it wants to make inroads, as well as entering into joint ventures, such as in the Middle East and East Africa regions.

ability throughout the continent. “It means we have made it possible for a parts supply line, by road and air, in Africa.

We are therefore capable of making parts readily available to our customers when, and where they need them,” he says.

“The second major element is our technical capability. We continue to learn and improve as our engine technology continues to develop. Otherwise you lose track of what is happening in the industry. Hence, we ensure that our technicians are always up to date with the latest advancements by means of our training centres, which are located in South Africa, Morocco, Nigeria, and Dubai,” concludes Kwame.

Cummins Deepa Rungasamy Tel: (011) 589-8512

Kwame elaborates that customer service, which is the linchpin for Cummins’ success on the continent, consists of two major elements. The first is parts availability to support the products sold. “All these entities have parts warehouses, and hold parts readily needed at any point in time by customers in those environments."

The RDC strategy facilitates this ready parts avail-

SKF Multilog On-line System IMx-8

More data capture opportunities.

Even in a limited space.

Configure your IMx-8 and monitor your data wirelessly from your iOS or Android device.

The IMx-8 can be fully configured via luetooth, and can use existing template configurations stored in the SKF Cloud. Machine data can then be viewed on your iOS or Android device.

And with direct access to world-class software, analytics and support through SKF @ptitude or SKF Enlight, it’s the cost-effective route to high performance.

SKF South Africa (Pty) Limited Tel: +27 11 821 3591, Fax: +27 86 677 7876 Email: sales.za@skf.com, Web: www.skf.co.za ® SKF is a registered trademark of the SKF Group. | © SKF Group 2018

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MARKET FORUM

New service centre for Botswana Hytec Hydraulics Botswana, a dedicated member of the Botswana Chambers of Mines (BCM), officially opened its Service Centre in Gaborone. As the largest manufacturer and supplier of hydraulic, pneumatic and automation components and systems in sub-Saharan Africa, Tillmann Olsen, CEO for Bosch Rexroth South Africa, says the new workshop in Gaborone will be supported by the Rexroth Hubb in Johannesburg where there is a concentration of highly skilled employees. He goes on to say that the Hubb’s training facilities will enhance the knowledge of current and future employees across the continent.

Bosch Rexroth Botswana Abrie van der Merwe Tel: +26 (7) 318 6910 Email: abrie.vandermerwe@hytec.co.bw www.hytecgroup.co.za

Charles Siwawa, CEO of the Botswana Chambers of Mines, says that he is looking forward to sharing of product knowledge and expertise to suit local specialisations. “Development and deployment of the right skills within the industry will play a crucial role in the efficient execution of the BCM’s mandate,” he says.

Hytec Hydraulics New Service Centre In Botswana

Minerals

Your trusted partner of choice

For more information or assistance call us on +27 (0)11 9292600 or visit us on www.minerals.weir You can now buy your spares online at www.weirafricastore.com Bulk handling year planner 2018.indd 1

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10/23/2017 3:45:35 PM

September 2019

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Transport Evolution presents

15 - 16 October 2019 | Durban International Convention Centre, South Africa

THE MEETING PLACE FOR AFRICA’S PORT AND RAIL PROFESSIONALS 30+

countries represented

30+

70+

expert speakers

3

leading companies exhibiting

co-located events

3 000+

transport professionals

14

technical workshops

BOOK NOW TO SHOWCASE YOUR BRAND TO THE TRANSPORT SECTOR This is the most important event in the transport calendar on the African continent.

Should you wish to promote your brand, product or solutions to industry leaders, please contact: Kemantha Naidoo KemanthaNaidoo@dmgevents.com +27 11 783 7250 34

www.transportevolution.com September 2019

BULK HANDLING TODAY

MARKET FORUM

Rope access used for maintenance When a major petrochemical producer in Mpumalanga recently had to carry out routine maintenance on a 30-mhigh chemical reactor, it opted for rope access for speedy ingress, as opposed to the traditional method of erecting an external scaffolding structure to allow access to the top of the building.

Due to the fact that the components of the chemical reactor are large and bulky, cranage is required to remove anything during repair work that needs to be replaced. “Our speciality is that, at short notice, we can go to site with a small rope-access team to open up sections of the roof.

This allows for a mobile crane to be rigged and ready in order to be able to lift any components that need repairs or replacement up through the roof,” Skyriders marketing manager Mike Zinn comments.

Not only is health and safety improved for the client, but Skyriders’ rapid response allows for major time and cost savings as well.

Skyriders Mike Zinn Tel: (011) 312-1418 Email: mike@ropeaccess.co.za www.ropeaccess.co.za

Sensor automation and accuracy Traditionally, modern construction machinery is controlled and moved by hydraulic systems, which means that electronics and control technologies have played only a minor role in many applications. This is changing with safety-relevant aspects and driver-assist functions now setting the stage.

Gerry Bryant, managing director of Countapulse Controls, says that it has become obvious over time that the role of sensor technology will become increasingly important in construction equipment.

“Machinery deployed in these industry sectors are subjected to harsh operating conditions including varying climatic conditions, long working hours and exposure to dust, dirt and liquids. This means the demand on sensors is often extreme requiring robustness and a high degree of protection,” he says.

Examples include straight-tothe-point positioning of loads for hoisting equipment or restricting work zones in order to protect against collisions. Another classic example is where the devices are used in safety-relevant functions such as providing warning signals to the driver as soon as the machine enters a critical situation, for example a tilting crane.

Agricultural and forestry machine applications use sensors to facilitate the automation of many applications, making

work significantly easier and increasing productivity. This could include speed-controlled sowing in agriculture right through to automated measuring of tree trunks. Automated processes that increase productivity in agriculture are becoming more and more sophisticated using satellite-controlled systems.

Gerry concludes by saying that encoders used in construction equipment prove their capabilities under extremely harsh conditions by providing reliable feedback on the positioning, excursion angles or speeds.

Countapulse Controls Tel: (011) 615-7556 Email: clive@ countapulse.co.za www.countapulse.co.za

Hengstler encoders have been able to use the open communication standard BiSS C for the past decade

BULK HANDLING TODAY

September 2019

35

DEMAG KBK ALULINE

The standard for ergonomics.

We have redefined smooth running characteristics with the KBK Aluline light crane system. The result: one of the smoothestrunning systems on the market. The ideal solution wherever a crane has to deliver high performance for only a low weight – from simple workshop cranes to highly complex material flow solutions.

For simple, safe, reliable and productive load handling.

• Fast and ergonomic handling for loads weighing up to 2,000 kg • 6 different aluminium profiles in 4 sizes – compatible with existing installations • Integrated conductor line for 2 profile section sizes • Unique combinations with steel profile sections Phone: + 27 11 898 3500

36 BULK HANDLING TODAY www.demagcranes.co.za

September 2019

MARKET FORUM

Replacing corrective maintenance with predictive maintenance A variety of factors are involved in the production of hot asphalt mixes, which makes the process vulnerable to sudden equipment stops. The consequences of such unplanned maintenances to the business are dire, since the cost of having a stopped plant is high. In order to minimise production disruptions, new technologies applied to wear components and electronic monitoring of asphalt plant motors during production bring predictability to maintenance, replacing corrective maintenance with preventive and predictive maintenance.

Marcelo Zubaran, application engineer and product specialist at Ciber Equipamentos Rodoviários, part of the Wirtgen group says, “Obtaining the correct information at the right moment regarding a component wear or a tendency of failure of a motor is a major advantage.” Predictive maintenance can only be implemented with devices continuously monitoring the equipment components, be it mechanical or electronic devices.

Technologies such as constant monitoring of the power consumption of motors during production, known as the fault diagnosis system, also provide information to the operator in real time on the operating conditions of the motors. “If any of the plant’s motors are not operating at their optimum condition, the plant immediately triggers an alarm. The operator may choose to conclude a particular asphalt mix demand and then check the motor conditions or stop the plant. In this way, predictive maintenance technology allows us to perform preventive maintenance,” says Marcelo.

To enable this technology, it is necessary for the motors to be connected to an electrical measuring device and for it to be connected to some data transmission network. In addition, technologies such as Soft Starter, which smooths the start of “big” motors without frequency inverters can measure the electric current. Such devices must have a network interface in order to enable digital communication with the plant’s computer, which will manage the.

Wirtgen SA, Waylon Kukard, Tel: (011) 452-1838 Email: Waylon.Kukard@wirtgen-group.com

LMI ACADEMY cc.

Merseta Accreditation No: 17-QA/ACC/0637/11 Reg. No. 2001/075895/23

P.O. Box 5907,Weltevredenpark 1715 E-MAIL: info@lmi-academy.co.za website: www.lmi-academy.co.za Training offered at the LMI Academy or on site.

• • • • •

Lifting Machinery Inspector Qualification (LMI).

Registered CPD Training.

The Rigging trade.

DMR 18 training.

Tackle training.

For further details contact: +27(011) 475 5876 Member of: LEEASA No. 810051

BULK HANDLING TODAY

September 2019

37

MARKET FORUM

Precision pre-cast lifting An order was recently placed

by Wilson Bayly Holmes-Ovcon (WBHO) for four 32 ton Condra portal cranes to manage materials handling at its new Copperton and Garob Wind Tower pre-cast yard in Northern Cape.

Portal cranes for pre-cast yards are purpose-built to lift, position, stack and load reinforced concrete components. Two have been at work for another customer in Nelson Mandela Bay since late last year, when they were commissioned at a yard supplying concrete bases and columns to coastal wind farms.

The four machines for WBHO’s Prieska yard will help produce similar components, in this case keystones each 20m in length that will be used to erect the 100m high reinforced concrete wind towers at the Copperton and Garob wind farms.

The two farms will together generate some 140MW of electricity (573 GWh per annum) after completion in mid-2021.

be 20m/min and 60m/min respectively, allowing quick crane manoeuvrability along yard rails 375m in length.

Each of the four identical, 28,5m span cranes will feature two 32 ton hoists delivering lifting speeds of 3m/min over lifting heights of 9,09m, allowing pre-cast components to be simultaneously and precisely lifted at two points to minimise stress on the loads. Cross-travel and long-travel speeds will

Condra Marc Kleiner Tel: (011) 776-6000 E-mail: sales@condra.co.za www.condra.co.za

Lifting in a hurry The Potain MR 418 luffing jib cranes, which are equipped with full frequency-controlled mechanisms for precision control, offer fast lifting speeds. Maximum capacity for the crane is 24 tons and the maximum jib length is 60 metres.

Available from Crane & Hoist Equipment SA it boasts several advantages. Among these is that this extremely compact crane is quick to assemble, quick to commission and capable of extremely fast lifting speeds on high rise job sites.

The crane delivers its best performance when fitted with the optional 270 LVF 120 hoist which offers a better lifting capability and is perfect for high rise buildings, including super tall structures.

The 200kW hoist provides 826 metres of rope capacity, which means that in a single-fall configuration a hook path of 413 metres is possible, while in a two-fall configuration 206 metres of vertical reach is possible.

In addition, the winch can reach speeds of up to 254 m/ min for better productivity, while the power control function means it can operate off varying power inputs, allowing it to cope with lower power supplies on site.

Crane & Hoist Equipment SA Tel: 083-424-2658 Email: info@che-sa.co.za www.che-sa.co.za

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BULK HANDLING TODAY

The Potain MR 418 offers faster lifting speeds

September 2019

High security welded mesh

Pallisade

Gates

Gate Automation

Razor wire and more ....

What is High Security Weld Mesh HIGH Security Weld Mesh is wire fused and welded at a Horizontal distance of 76.2mm and a vertical distance of 12.7mm also known as 35B/3510 where 3 denotes 3”(distance between vertical wires), 5 denotes 0.5” (distance between horizontal wires), and B or 10 denotes gauge of wire

Salient Features • Difficult to Climb: The spaces between the Horizontal wires are too narrow for fingers to have grip • Impregnable: Extremely difficult to cut with a hand cutter as the beak of a wire cutter will not be able to penetrate the horizontal wires • Excellent Replacement option to Solid Wall as: 1. More economical than a solid wall 2. Faster to install than a solid wall 3. CCTV Camera has a clear view • Further upgrade possible with electric security system • Anti-corrosive & low maintenance

Standards

• Manufactured according to BS EN 10016-2 • Wire Sizes in accordance with BS EN 10218-2 • Tolerance on Mesh Size in accordance wiht EN 10223-7 • Tolerance on Panel Size in accordance with EN 10223-4 • Welding Strength in accordance with BS EN 1461 • Zinc Coating in accordance with EN 10245-1 • Anti Corrosion in accordance with BS En 3900 E4/F4

Tensile Strength • Wire has a tensile strenght of min 550 MPA

MARK: 083 454 6488

Email: mark@palifence.co.za

www.palifence.co.za BULK HANDLING TODAY

September 2019

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Tough demands have met their match.

With a hydraulic drive system from Hägglunds, you get compact, durable power - without foundations or gearbox. A full range of rugged motor types and complete solutions for monitoring and control give you total assurance, even in the most demanding applications.

Let us know your demands.

Hägglunds Drives South Africa (Pty) Ltd P.O.Box 2851, 1610 Edenvale, Johannesburg Phone: + 27 (0)11 454 4933, Fax: +27 (0)11 454 5088 E-mail: info@za.hagglunds.com, www.hagglunds.com

40 drive BULK HANDLING TODAY September Our is your performance.

2019