MMD

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Mining Machinery Developments (MMD) is a leading designer and manufacturer of mineral sizing (crushing) equipment and services for the mining, metallurgical, industrial minerals, alumina and other industries.

Mining Machinery Developments (MMD) is a world leader in the design and manufacture of material processing equipment, in particular sizing (crushing) and feeding equipment. For over 40 years, MMD has delivered innovative solutions that improve the productivity, profitability and safety of operations while minimising environmental impact.

MMD’s core product is the Twin Shaft Mineral Sizer – a high capacity, compact crusher capable of accurately sizing any combination of wet, sticky, hard or dry material.

The unique breaking action subjects material to stress, bending, tension and sheer forces as opposed to compression forces used in traditional crushers. The result is an energy-efficient machine which can contain the structural forces in a low profile frame. The Sizer’s three stages of breaking provide the ability to control the product size in all three dimensions while minimising the generation of dust and fine material.

Offering a range of primary, secondary and tertiary sizers, the largest machine is capable of processing rates in excess of 12,000tph.

MMD has designed and developed a range of Heavy-duty Apron Plate Feeders to complement the Twin Shaft Mineral Sizer.

Often arranged beneath tipping points, Feeders transport a steady flow of material to the crushing plant, optimising production whilst minimising wear. The MMD Feeder’s unique design allows dumping of run-of-mine material even when the feeder is running empty. The ability to load at any time delivers continuity and flexibility of operation for maximum production and efficiency. The Feeder’s combination of reliability and robustness has been proven to give many years of trouble-free operation with minimal maintenance.

IPSC systems enable the use of efficient conveyor haulage directly from the mine face for optimum cost savings, environmental mining and portability. MMD is a turn-key IPSC systems provider, offering Static, Semi-Mobile and Fully Mobile systems. Fully Mobile units move frequently to work directly with the excavator, whilst sizing and delivering conveyable material onto the conveyor, eliminating trucks and their associated costs, safety risks and environmental impact. The largest MMD Fully Mobile unit is proven at over 10,000tph. Semi-Mobile Sizing Stations are modular units, which relocate intermittently as the mine develops – leveraging the flexibility of truck haulage and combining with the efficiencies of conveyor haulage. MMD has been building Semi-Mobile units since the early 1980s, and have delivered a wide variety of designs all over the world.

To support a growing range of Semi-Mobile sizer systems, MMD has developed a Transport crawler, facilitating the quick, safe and efficient relocation of Semi-Mobile structures. MMD’s Atlas Transporter is unique in its auto-levelling capabilities, ensuring loads of up to 750 tonnes remain stable and level, even on gradients reaching 10%. For safe operation, the transporter is controlled by a fully featured wireless unit – providing live feedback and maximum control while travelling, lifting or slewing.

The Surge Loader is a smart, fully autonomous, mobile feeder – designed to unlock the potential of existing truck & shovel fleets. The hopper enables the shovel to work continuously even when no trucks are present, and as a result, shovel utilisation is increased to circa 95%. The Surge Loader also provides faster and more accurate truck loading, with payload targets accurate up to 98%. This revolutionary machine from MMD is destined to change truck & shovel mining as we know it, delivering production rate increases of up to 40%.

Mine smarter, Load quicker.

The Semi-Mobile structure is also a moveable asset that can be relocated to another mine or deposit.

MMD

For over 40 years, Mining Machinery Developments (MMD) has been a world leader in the design and manufacture of material processing equipment, specialising in Sizers, Feeders and IPSC.

MMD were invited to Sac-Tun mine to investigate how a Sizer could assist with the processing of coral limestone for use in the cement industry.

The MMD Fully Mobile Surge Loader is the first of its kind in the world. Designed to revolutionise the loading of haul trucks; making the process faster, more efficient and safer than ever before.

The order was placed on MMD to design and manufacture three Semi-Mobile Sizing Stations and one 400T Transporter, for the Mae Moh mine in Northern Thailand. This brings the total to 8 MMD Sizer Stations operating at Mae Moh.

Additionally, MMD will be providing the supporting steelwork and electrical package.

Construction of two Semi-Mobile Sizing Stations is underway in Northeast Inner Mongolia Autonomous Region.

This represents the culmination of a remarkable project involving some unprecedented engineering challenges.

Bespoke slurry sizers provide a crushing solution to two TBM projects in China.

MMD and Sac-Tun reflect on their 30-year journey together.

MMD Australia are now certified to International Standards Organisation (ISO) 9001, 14001 & 45001.

MMD is delivering another Semi-Mobile Sizing Station and 500 Tonne Atlas Transporter to the Mae Moh coal mine in Thailand.

All eyes are Stateside this month, as the world’s first Fully Mobile Surge Loader begins final assembly.

This month, the MMD Mobile Demining Sizer Rig begins its long journey to Zimbabwe via The HALO Trust’s Headquarters in Dumfries, Scotland.

MMD's Atlas Transporter has already been used for the first relocation as part of the mine’s expansion plan, carrying each station over 2km to their next operating locations.

MMD celebrates 40 years of mining innovation in 2018, and yesterday the company donated a revolutionary anti-personnel landmine clearance rig to The HALO Trust at the Hillhead Show in the UK.

EGAT's Mae Moh mine in northern Thailand has ordered three Semi-Mobile Sizing Stations and a 400t Transporter from MMD, which are currently under construction.

Earlier this month, the International Organization for Standardization (ISO) awarded MMD Australia accreditation for Environmental Management. At the same time, the company achieved the Occupational Health and Safety Assessment Series standard. Building upon their Quality Management recognition in 2016, this gives MMD Australia a triple crown in standards certification.

January saw the completion and commissioning of a fourth MMD semi-mobile sizing station for one of South Africa's largest coal producers.

Having designed, built and installed the two highest track-mounted capacity fully mobile units in the world today, MS1 8000-10,000 tph of overburden commissioned in 2001 and OS1 6000 -8000 tph of oil sand commissioned in 2006, MMD has brought all the innovation for which they are renowned and t

An order for a plate feeder and 2 MMD sizers has been received from the largest borate mine in Turkey. MMD sizers have been previously utilised in North American borate applications; however these are the first MMD sizers and feeder to be installed in Turkey. Amongst the many mineral res

In 1999 MMD delivered and installed a 625 series sizer to a lignite operation in the Czech Republic. Now, more than ten years later, the same operation has increased their production targets and turned to MMD again to meet these new demands with a new 625 series sizer. The old and

The Prairie Creek Lead-Zinc-Silver Project is located close to the Nahanni National Park Reserve, approximately 500km west of Yellowknife in the Northwest Territories (NWT), Canada.

W Resources (formerly known as Caspian Holdings) is developing the La Parrilla tungsten mine and a tungsten tailings project in Spain.

The Diavik diamond mine is located on East Island, a 20km² island found in Lac de Gras, approximately 300km north-east of Yellowknife, the capital of Canada's Northwest Territories.

MMD currently processes over 80 different minerals in more than 70 countries worldwide for primary, secondary or tertiary crushing operations.

The MMD heavy-duty apron plate feeder is designed to handle high-impact loads created from large ROM material directly dumped. Used in many types of mineral and ore applications around the world, plate feeders are key to providing reliable and controlled throughput.

In-Pit Sizing and Conveying (IPSC) systems are a cost-effective and safer alternative to discontinuous material haulage by dump trucks.

The MMD Atlas Transporter is the latest technology from MMD, enabling heavy semi-mobile structures to be relocated in a safe and controlled manner.