Tag Archives: Caterpillar

Cat’s 7495, 7495HF shovels receive an AC drive boost

Caterpillar has updated the AC electric drive system for Cat® 7495 and 7495 HF electric rope shovels to, it says, deliver even greater reliability, improved maintenance access, enhanced safety and expanded ability to perform at high altitudes and in extreme temperatures.

The updated system also is designed to easily integrate with advanced technologies.

Caterpillar and our predecessor in shovel design and manufacturing, Bucyrus, have supplied more than 300 AC electric rope shovels, said Dale Blyth, Product Manager, Electric Rope Shovels. The most recent advances in AC drives are integrated in this update and demonstrate how we apply our experience to help customers lower cost per tonne and bolster safety.

Updates include a liquid-cooled motion regulator cabinet for more efficient dissipation of heat generated by electrical components.

The company said: “The new system enables shovels to operate at temperatures of -40 degrees C/F to +50 degrees C (122 degrees F) and altitudes of 5,250 m (17,220 ft) without derating.

“The reliable system also eliminates airborne contaminants in the cabinet and lengthens service intervals – for reduced costs and greater uptime. Additionally, a new, faster propel transferswitch cuts lag time by 75% for improved productivity.” 

New technologies enable consolidating two cabinets in the machinery house to create space for easier maintenance access, while the updated maintenance station is designed for integration of current and future technology solutions, including Cat MineStar.

The drive system design uses common motors in multiple applications, according to Cat. “That means fewer parts to stock, improved parts availability and simplified maintenance.” 

The new motors also have higher power densities, smaller frame sizes and optimised footprint, which aids access, it added.

The Cat rope shovel electric drive system still features elements such as fuseless insulated-gate bipolar transistor modules. And, the on-board maintenance station continues to aid technicians in identifying faults and resolving issues.

The new electric drive system will be on all new production 7495 and 7495 HF shovels beginning in late 2020.

The system is not intended for retrofit, though some elements, such as the fast propel transfer switch, are available as upgrades to machines already in service, according to Cat.

Barloworld Equipment offers Exxaro mine contractors a helping hand

Exxaro Resources and Barloworld Equipment (BWE) have signed a memorandum of understanding that could see the mining company’s contractors gain access to the required mining operations equipment at competitive rates and terms, as well as additional post-acquisition support to enable the contractors to execute operational projects.

The three-year, non-exclusive partnership aims to assist Exxaro’s contractors working on the projects including drilling, blasting, loading, hauling and coal handling. Previously Exxaro noted that contractors awarded work lacked the means to purchase or lease the equipment required to enable them to execute said projects.

Mxolisi Mgojo, Exxaro CEO, said: “Exxaro has committed to an enterprise and supplier development program to grow the South African economy within the sector and bolster efficiencies in areas we operate. This partnership enables us to empower and support appointed contractors to produce the best quality work.”

The partnership also looks to capacitate Exxaro contractors to build an effective equipment management capability to support the efficient delivery of projects; and find ways to minimise the capital and operating costs of equipment for contractors by dealing directly with BWE as the authorised distributor and reseller of equipment, Exxaro said.

Emmy Leeka, BWE Southern Africa CEO, said: “This partnership with Exxaro will allow emerging contractors to better participate in major projects. As the exclusive dealer for Cat earthmoving machines and power systems in Southern Africa, we will give Exxaro’s contractors greater access to equipment, financing and training.”

Exxaro looks to enter into similar partnerships with Komatsu, Volvo, Bell and other companies alike.

Cat, WesTrac highlight XE wheel loader range in Western Australia

Caterpillar, last week, invited dealers and key clients from across Australia and New Zealand to a special showcase event for its latest wheel loaders, articulated trucks and a range of other equipment.

The machines were put through their paces at Quarry Farm, south of Perth, in Western Australia, with 2019 national Load and Haul Event centred around Cat’s new XE range including the Cat 988K XE and 972M XE wheel loaders.

Cat said: “The XE range is proving incredibly popular for a broad range of applications across construction, earthmoving and smaller mining operations, and is closely based on the popular predecessor models with additional features providing greater productivity, efficiency and even better all-round performance.”

The new Cat 988K XE is the first large wheel loader offered by Caterpillar with a high-efficiency electric drive system, delivering 25% greater overall efficiency and up to 10% more productivity in load-and-carry applications than the 988K loader, according to Cat.

“Delivering high-production in all loading applications, the 988K XE is recommended for demanding job sites where fuel efficiency makes a difference in the machine’s total cost of operation,” the company said.

The new loader features switched reluctance technology and leverages more than 15 years of Cat electric drive experience as well as more than four years of stringent testing in a range of applications, according to the company.

The Cat C18 ACERT™ engine, mechanical dropbox, driveline and axles from the legacy of the 988K remain in this electric drive machine, providing a consistent, trouble-free operation, Cat says.

Cat’s 972M XE wheel loader, meanwhile, features a continuous variable transmission that results in smooth shifts, fast acceleration, and speed on grade, while also delivering exceptional fuel economy, Cat says.

“While designed with the construction sector demands in mind, these characteristics will make the 972M XE a popular choice in quarry and mining operations with the need to deal with steeper grades, tighter loading areas, and greater pressure on cost per tonne,” it said.

Among other recent additions on display was the 986K wheel loader, 6015B hydraulic shovel, and the 745 and 740 GC articulated trucks.

There was a cameo appearance by the Piacentini Panther Low Loader, designed by Bunbury-based contractor Piacentini & Son, which has been developed to improve safety and efficiency when loading and transporting heavy equipment around mine sites, the company said.

Jarvas Croome, CEO of WesTrac which hosted the event and is the Caterpillar dealer for Western Australia and New South Wales, said industry would welcome the further refinement of this popular range of construction and earthmoving equipment.

“Activity is increasing across Australia with a large number of infrastructure and major construction projects underway, while there’s also a lot of movement in mining,” he said.

“The highly versatile Cat XE range is going to be a popular choice for fast, efficient operations across all sectors, not to mention providing improved environmental performance for operators.”

Boliden backs trolley assist haulage for Aitik and Kevitsa

Boliden has decided to invest SEK300 million ($31.2 million) to expand the trolley assist facilities at its Aitik copper mine, in Sweden, as well as implement the corresponding technology at its Kevitsa nickel mine, in Finland.

The investments, to be made mainly during 2020-2021, come on top of the money invested in a two-year trolley assist pilot project at Aitik. This project saw Eitech and ABB supply electrical infrastructure; Pon Equipment and Caterpillar carry out truck modifications; and Chalmers University provide supporting research on system aspects of the electrification. It led to a 700 m electric trolley line being installed and four Cat 795F haul trucks being converted.

The project was also supported by the Swedish Energy Agency and saw investment in a 10 MW capacity DC substation.

Aitik is currently the only mine in the arctic where electric trolley has been installed, according to Boliden.

Mikael Staffas, President and CEO of the Boliden Group, said: “We are now taking further steps to improve both productivity and climate impact at our two open-pit mines.”

In Aitik, a further 3 km of electric trolley line will be built and another 10 trucks will be converted for electric trolley lines. Overall, the plan means that greenhouse gas emissions from transportation over the life of mine are reduced by nearly 15%.

In Kevitsa, 13 mining trucks will be converted for electric trolley lines at the same time as the 1.8-km-long electric trolley line is being built. The investment means that greenhouse gas emissions over the life of mine are reduced by 9%.

The electric trolley installations are being deployed in stages until 2022.

Boliden calculates that this move will reduce diesel consumption by 5,500 cu.m/y when the investment is completed.

In addition, productivity gains are expected as the electrically powered trucks can run at a higher speed than the diesel equivalents.

The working environment for the drivers is also improved, not least through lower noise levels, Boliden added.

Nordgold enlists Cat dealer to fine tune Russia mine fleet performance

Nord Gold and Vostochnaya Technica (VT), a Cat dealer in Russia, have signed a strategic agreement providing the framework for a long-term partnership between the two companies.

The agreement aims to improve the efficiency and sustainability of all of Nordgold’s Russian operations by ensuring the highest levels of availability, productivity and cost effectiveness of its core mining equipment, the gold miner said.

As part of the agreement, VT will provide mining equipment maintenance and spare parts supply, while improving the efficiency of Nordgold’s Cat fleet, which totals 40 units, through new staff training programs and other initiatives.

The agreement includes the continuation of regular site assessments (which will cover fleet availability and maintenance, for example) as well as on-going measurement of dealer performance. The most recent assessment (August 2019), undertaken at the Gross, Taborny and Irokinda mines, showed the strong operational alignment between VT and Nordgold.

Nikolai Zelenski, Chief Executive Officer of Nordgold, said: “This wide-ranging agreement, which covers both technical support, parts supply and training, strengthens an already strong relationship with a major supplier, and will have a long-term positive impact on our Russian operations.

“The agreement challenges our partner with regular assessments to provide best practice levels of support to ensure the sustainable performance of the mining fleet to meet our production plans.”

Gerhard Vorster, General Director of Vostochnaya Technica, said: “World-class best practices of equipment management for maximum return on investment is a goal we share with Nordgold. Vostochnaya Technica will assign the best experts to Nordgold assets and provide maximum support to reach our common goal.”

Some 40 Cat units are currently in operation at Gross, Taborny and Irokinda, including 14 134t 785D haul trucks and 993K wheel loaders. Two more trucks are to be commissioned by the end of 2019, with five more Cat 785Ds to be supplied in 2020.

A VT Project Manager and service technicians are permanently present on site to maximise fleet uptime, according to Nordgold.

The mining industry’s guiding hand

Ahead of the WA Mining Conference & Exhibition, in Perth, Western Australia, IM spoke with Michelle Ash, Chair of the Global Mining Guidelines Group (GMG), on mining guidelines, the industry’s rate of technology adoption, automation and, of course, interoperability.

Given that Ash is due to sit on a panel discussion titled, ‘The future generation of mining – who, what, when and where’ at the event on October 15, the conversation was very much forward looking.

IM: The development of mining guidelines has been a big focus for you in your work with GMG. Outside of the existing working groups GMG already has in place, where, in the next three to five years, do you see the need for future industry guidelines to ensure mining companies and their employees can leverage new technology?

MA: Our mission at GMG is to work collaboratively with industry and help speed up its rates of change. The guidelines are one of our main products, but we are involved in two others.
One is education where we bring the mining industry (mining companies, suppliers, consultants, academics/academic institutions, regulators and governments) together on topics. Blockchain is a good example of that; we’ve had our members raising the use of blockchain as an issue for the last couple of years – some have not known what the use cases might look like or even the full capabilities of the technology.

An example of the second product is what we have recently carried out in the tailings dam space…where we initially looked at who was doing what in the public arena worldwide. From this, we created a database of that activity with the intention that our members should, first, engage with work that is already being conducted. We are now trying to think through how we codify that data. In this regard, part of the way we will speed up innovation in the mining industry is not only through collaboration, but also making sure we leverage industry work that has already been completed.

Then on the guidelines, we have covered battery-electric vehicles (BEVs), automation and communications systems. We’re currently going through the process of devising a guideline on interoperability and functional safety, too. In the next few months, we will start working with our members to define what ones to pursue from 2020 onwards.

IM: What might these future guidelines look like?

MA: At our leadership summit this year, we will be talking about climate change and how that is going to impact the mining industry. Thinking about the workforce of the future is another potential avenue for future guidelines. That is on top of some of the more futuristic topics like blockchain provenance tracking, changes to business models, etc.

IM: What is likely to push most mining companies into increasing their uptake of new and disruptive technology? Will operational, regulatory, social or technical changes have the biggest influence?

MA: It’s going to be a combination of these, but risk reduction will definitely come into it – a lot of mining companies still feel technologies are risky whether that is in their implementation, operator acceptance, cost, etc. There is a myriad of risks associated with changing the way you do things and investing in technologies. A lot of that risk is, at least, reduced through collaboration; creating a bigger market and being clear on what products we want and how we develop the business cases, produce products and then implement them. That dynamic will evolve as mining companies get more used to implementing some of these new technologies and working with their people in a more agile way.

That said, I do think the rate of social change being driven through technology – the way we interact, get information, perceive and interact with the world, and how all of that continues to change social expectations – is accelerating. That cycle is putting more and more pressure on all companies, not just miners, to, for example, continually reduce their environmental impact (greenhouse gas and diesel emission reductions, for example). There is also an ever-increasing pressure for governments and communities to get greater amounts of wealth from their resources. In addition, investors are changing their thinking – what we used to call ‘impact’ investors are now almost considered ‘mainstream’.

There are a whole series of pressures that will be put on mining companies to make substantive changes to the way they do things and that will link to de-risking the way they implement new technologies.

IM: Looking at regulation, what are the major technology trends that will be influenced by incoming legislation, and where is this new legislation likely to come in first?

MA: A lot of governments – and I have recently spent most of my time in Canada, Australia and Europe – are thinking about how they reduce their environmental impact. Many of them have various greenhouse gas and climate change challenges, and I think aspects of these will find their way into legislation. That could be future reductions in diesel usage/emissions or energy usage (especially as it pertains to diesel, coal, etc). That means the electrification of industry and mining, specifically, could be impacted by regulations.

One of the reasons why I am keen to get more regulators involved in the GMG is because sometimes, in aspects of certain technology, the regulations are behind the technology use cases/implementations. As a result, there is a really great opportunity for industry and government to work hand-in-hand and get those regulations developed faster so some of these technologies can be implemented in a way that meets community, as well as industry, needs. I think drones, automation and robotics have all fallen into this category.

On automation specifically, the Western Australia Mining Department has led the world in thinking about and applying legislation around automation. That is in part because Western Australia is where a lot of the automation use cases started. There is a great role for them to show other regulators how these regulations could translate in their own regions. For instance, I spend time with Canadian Provincial Governments, and they are very keen to learn from what Western Australia has done in this arena. I think the Nordics – Finland and Sweden, especially – have also shown some great examples of how to create sandboxes and multi-industry collaborations for such technologies.

IM: Is there anything from a technology perspective stopping mining companies creating a fully autonomous operation?

MA: The challenges with automation are related to how to coordinate and control all autonomous equipment on a mine site in an integrated fashion. That is why we, at GMG, are pushing so strongly for greater interoperability so we can, say, connect Cat trucks with Boston Dynamic robots and some OffWorld swarm bots, operating them all on the one mine under one system. From a technology perspective, that is yet to be refined and developed; we can automate pieces – for example, trucks on surface, or trucks and scoops working together underground – but we can’t go beyond that.

IM: Interoperability has been holding back technology uptake for decades; are we close to a tipping point when it comes to solving this problem?

MA: While we have been talking about interoperability for decades, we haven’t had the really fast communications systems we have today with the likes of 4G and LTE. We also haven’t had the plethora of sensors or the computing power and storage via cloud computing. The latter is a big part of the puzzle as mining companies were using on-premises software for so long for their computing needs, which creates limitations.

I think we are starting to see some movement from the OEMs around interoperability and this whole open innovation concept. There has been wider acceptance across the mining community that open innovation creates competition, instead of stifling it. The interoperability work we are doing is starting to prove that.

Cat, for example, has just announced a partnership with IOSoft to upload the data from a lot of their machinery so it can be interpreted and analysed, etc. That is a move forward in terms of creating open data platforms.

IM: Lastly, with the advent of machine learning and AI, what do you see happening in the future with roles such as the geologist, metallurgist, engineer? Will mine site teams in, say 10-20 years, be dominated by data scientists/engineers, as opposed to personnel with these traditional skillsets?

MA: Going forward, we will have a much more diverse skillset on mine sites. I don’t think the geologist, metallurgist, or mining engineer – that knowledge base – will be completely replaced. Even in 50-100 years, I see that human ingenuity still being required. But I do think, in the next five, 10, 20, or so years, artificial intelligence and machine learning will help augment what we currently do.

For example, as a geologist, you spend a lot of time uploading data, manipulating geological models, etc. You spend far less time pondering what it all means or analysing the best way to obtain and evaluate that data based on what you already know and understand. Similarly, a lot of mining engineers spend time running numbers and changing small pieces of design and calculating the myriad of knock-on changes, as opposed to running numerous mine engineering scenarios.

What machine learning and AI will do is free us up from a lot of the mundane work carried out now and allow us to spend much more time on the analysis and contemplation side of the business.

Cat DTH hammers and bits up the ante in blasthole drilling

Caterpillar has introduced its first Cat® down-the-hole (DTH) hammer and bits for blasthole drilling as it looks to speed up penetration rates and reduce drilling costs in difficult conditions.

The new Cat DTH Hammer is 152 mm (6 in) in diameter and is the first to be introduced in the new DTH line. Its valved design provides reliable operation, low air consumption, easier maintenance and cost effective rebuild, according to the company. The piston design, meanwhile, delivers long life and efficient energy transfer.

The new hammer is rated to run with compressed air systems driving working pressures up to 34.5 bar (500 psi). Cat explained: “This additional back-head pressure, when combined with corresponding airflow demanded, generates more blows-per-minute to generate faster penetration rates in the hardest of materials.”

Caterpillar also is introducing bits for DTH drilling. Several different configurations of 171 mm (6.75 in) bits are now available in both standard and heavy-duty versions to allow matching the bit to the rock characteristics and job requirements. The bit selections include a variety of carbide shapes (spherical, ballistic) and face shapes (concave, flat, convex).

“Cat Bits are optimised for high wear resistance and improved rock chipping,” the company says. “The aggressive, long-lasting cutting structure in conjunction with the efficient Cat DTH Hammer delivers a superior rate of penetration.”

Caterpillar’s advanced materials and heat treatment technology used in the DTH products yield longer life and result in lower overall drilling costs in demanding conditions, it says. In head-to-head tests conducted in iron ore and quarry applications, Cat says its hammers and bits demonstrated significantly lower total cost of drilling.

Battle for greenfield mining autonomy

The big two global giants in autonomous mining truck solutions continue to battle it out in chasing new contracts, especially for greenfield mines that offer a chance to supply more profitable “new” autonomous fleets as opposed to retrofitting autonomous capability onto existing fleets.

The main battle grounds remain Australian iron ore in Western Australia’s Pilbara region and Canadian oil sands in the Alberta production hub centred on Fort McMurray, though there are also surface haul truck autonomy trials ongoing in other mine types such as iron ore in other parts of the world, gold, coal and copper.

In iron ore the competition has turned traditional norms on their head.

Rio Tinto, traditionally a Komatsu truck user, announced earlier in 2019 that it had agreed to work together with Caterpillar to create an automated mine operation at the Koodaideri iron ore project, in Western Australia. The agreement will see Cat® and dealer WesTrac supply and support mining machines, automation and enterprise technology systems for the new mine. Rio, in a separate release, said this would see the supply of a fleet of 20 new autonomous 793F trucks.

Then in September, BHP, traditionally a Caterpillar truck user, turned the tables again by announcing that it will deploy 41 new Komatsu 930E-5 ultra-class autonomous haul trucks at its new South Flank iron ore mine in the Pilbara region of Western Australia, commencing in October 2019.

But OEM battles aside, autonomy comes with its own issues. This includes the mine having sufficient network capacity in place but also other practicalities like how it ties in with haul road design and how it affects OTR tyre performance.

This tyre angle is being delved into in some detail by Tony Cutler, Principal at specialist consultancy OTR Global, at the forthcoming inaugural Truck & Shovel Conference from International Mining Events, running 19-20 September in Singapore at the InterContinental, Middle Road.

His talk, “Factoring tyres into autonomous haulage”, will point out that since 2008, over 400 autonomous haul trucks have entered commercial operation on open-pit mines and, while autonomous haulage offers improved productivity, safety and operating cost, he argues that the main constraint to maximising these benefits is tyres. This presentation identifies the limitations associated with tyres – some inherent to the tyres, others to the autonomous systems and operating environments – and suggests solutions.

Cutler will be joined in an autonomy related session by Drew Larsen, Director of Business Development, ASI Mining, in a presentation titled: ‘Autonomous Mining – more feasible than you might think’.

The company, 34% owned by global mining OEM Epiroc, began work on a project with Barrick Gold to retrofit and automate a fleet of Komatsu 930-E Ultra Class haul trucks at the Arturo joint venture operation in Nevada, last year, and judging from Barrick’s commentary in its June quarter results, the gold miner is happy with how things are going.

Interestingly, Barrick said initially none of the OEMs wanted to engage in the project, “due to the mammoth task of retrofitting an autonomous system to a 20-year-old fleet of ultra-class trucks and the technological limitations that come with that age of machine”.

Barrick found another partner in ASI that specialises in autonomous solutions both inside and outside the mining industry and has now successfully completed a proof of concept (POC) utilising five haulage units “that have delivered over 5.5 Mt faster than any other similar POC in the industry”, it said.

These autonomous solutions require a lot of data to be effective and while there are no shortages of nodes on equipment nowadays, the haulage and loading industry is still coming to terms with how best to leverage this data.

Speakers from Komatsu will be confronting this issue head on at the event, with Jason Knuth, Senior Manager – Data Solutions, and Simon Van Wegen, Product Manager – Data Solutions, presenting a keynote titled, “Data-driven designs for dynamic mining environments”.

The two intend to reveal how OEMs are leveraging the plethora of data nodes on smart equipment to adapt equipment and design solutions for the modern mine environment.

To hear from more speakers like this, register for Truck & Shovel by clicking here.

RCT deploys ControlMaster at Westgold mine sites

RCT says it is finalising a major automation project for Westgold Resources at five of its gold mine sites in Western Australia’s Murchison region.

The package of works involved the autonomous solutions provider installing and commissioning its ControlMaster® Guidance Automation technology to 10 of Westgold’s underground loader fleet across its mining operations, including CAT R2900Gs and Sandvik LH517 LHDs.

RCT will also deliver its latest surface-based ControlMaster Automation Centres equipped with Multiple Machine Selection and Multiple Machine Control options aimed at driving further mining production efficiencies at each site.

Guidance Automation encompasses a fully automated tramming cycle between production level locations, which includes proportional braking and automated steering and speed control, RCT says.

“The technology also includes features such as G-Dash which empowers operators by presenting a graphical dashboard of the machine telemetry and diagnostic features to ensure optimal loader performance,” the company said.

Implementing the ControlMaster Guidance Automation solution across Westgold’s Big Bell, Paddy’s Flat, Comet, South Emu and Starlight operations standardised the company’s production technology and will deliver significant efficiencies and synergies, according to RCT.

RCT Business Development Manager Mining – APAC, Ryan Noden, said each delivery is being tailored to site-specific requirements.

“Over the past few months, RCT has been working in a staged approach to upgrade Westgold’s existing systems and consolidate the operating system across all operations to ControlMaster,” he said.

“The introduction of RCT’s technology will offer Westgold a proven and successful pathway to mine digitalisation, with the ability to adopt the latest technology offerings as and when required and applying shared learnings across its operations.”

He continued: “RCT is excited to be working closely with Westgold as a technology provider to achieve operational excellence.”

David Noort, Executive General Manager – ACM at Westgold Resources, said he was delighted to be working with RCT.

“We made the decision to implement the ControlMaster Guidance Automation solution due to RCT’s proven productivity and technological reliability and proactive support services,” he said.

“Being able to implement Multiple Machine Selection/Multiple Machine Control is an added advantage as it will support staged growth and specialised applications where geotechnical constraints require a period of standoff before re-entry after blasting.”

RCT has been upskilling Westgold site personnel by implementing operator and maintenance training courses and will carry out after sales support and field servicing on an ongoing basis, it said.

Cat to showcase latest longwall offering at Katowice fair

Caterpillar says it will present a number of new longwall mining products and solutions at the International Trade Fair for Mining, Power Generation and Metallurgy, on September 10-13, in Katowice, Poland.

Together with the regional Cat® dealer, Bergerat Monnoyeur, Caterpillar will showcase its latest technologies at its booth.

The Caterpillar exhibit will feature digital presentations of new longwall machines, technologies and servicesall designed to make longwall mining safer, more efficient and more productive, it said. A highlight will be the virtual reality experience, which enables customers to experience newly developed virtual reality service tools for Cat longwall systems.

Similar technology is used for the new Cat Virtual Reality Training & Simulation system. “Real-time and realistic interactive 3D visualisations of real operations with Cat Virtual Reality Services offer opportunities to help trainees and operators understand the complex mechanics and operations ofa complete longwall system, where so many pieces of equipment are interrelated,” Cat said.

Digital presentations will also demonstrate Cat shearer automationusing technology for face alignment, horizon control and extraction control. Also, the latest version of Cat longwall machine monitoring, Cat MineStar Health for Longwall, will be shown. “Health for Longwall is a cost-effective and user-friendly data visualisation and reporting tool. It empowers managers to efficiently view, manage and use machine data to make informed maintenance decisions that will help maximise the availability of longwall equipment,” the company said.

Caterpillar designs and manufactures complete longwall systems customized to optimise performance in specific applications. The Katowice exhibit presentations will feature new longwall components, such as the Cat EL1000 Shearer, designed for low- to mid-seam heights. This latest addition to the successful range of Cat shearers covers seam heights from 1.6-3.2.6 m (63-126 in).

The recently introduced Cat PF HD Line Pan for armoured face conveyors is especially designed for heavy-duty longwall applications with demanding conditions, Cat said. “The new pan is the most robust and reliable Cat line pan, lasting up to two times the life of corresponding PF5 and PF6 pans.”

The exhibit will also preview the Cat HTD4100 High Torque Drive System for longwall armoured face conveyors. “The drive enables a higher level of automation for enhanced speed and torque control and real-time monitoring, and its modular design simplifies installation and maintenance. The converter-controlled torque motor offers fast response and precise control to reduce conveyor chain wear and failures.”

Caterpillar will also preview its next generation roof support control, PMC-R 2.0, which is the successor to the Cat PMC-R control unit. “The new roof support control unit is designed to meet the automation needs of modern, high-performance longwall operations. Advanced microcontroller technology with increased computing power and enhanced communication capabilities offers improved functionality to control roof supports in a self-advancing longwall system. The new controller also features enhanced serviceability.”

The company continued: “Caterpillar and Cat dealers have created a one-of-a-kind, on-site support network for delivering expert service, integrated solutions, after-sales support, fast and efficient parts fulfilment, world-class remanufacturing services and more. Services now include Caterpillar Accredited Rebuilds (CAR) for longwall roof supports. The CAR program offers a like-new roof support with a new machine warranty and a new serial number, all at a fraction of the cost of a comparable new roof support.”

At Katowice Mining Fair, Caterpillar and Cat dealers will also show their commitment to work alongside customers to improve performance across the operation, leveraging every longwall system component, tool and technology to help improve safety, efficiency and productivity, the company said.