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MMD | Sizers, Feeders & Sizing Stations


A Privately owned group established in 1978 by Alan Potts ably assisted by a small nucleus of committed individuals, MMD is now a worldwide organisation with sales and servicing on six continents.

MMD are designers and manufacturers of material processing equipment used in many types of surface and underground mining operations the world over. In particular the company has extended the technology of mineral reduction by the development of low profile, high capacity, compact sizing machines.

The MMD Twin Shaft MINERAL SIZER™ has progressed from a 500 series machine, through to the 1500 series machine, capable of handling material up to 3 metres cubed, with capacities in excess of 12,000 TPH.

The MMD Twin Shaft MINERAL SIZER™, has the ability to process wet sticky material or hard dry rock or a combination of both through the same machine, and has proved to be the ideal sizing solution on over 60 different minerals in industries such as cement, ceramic, construction, diamond, energy, industrial minerals and precious metals.

To complement the robust twin shaft sizer, MMD has designed and developed a range of Heavy duty apron plate feeders, which convey unbroken material to the crushing plant. MMD has also successfully designed and manufactured, Mobile, semi-mobile, and static sizer stations for the complete mineral sizing solution.

The project management and quality control systems of MMD Mining Machinery Developments Limited have been assessed and approved by Lloyds Quality Assurance Limited against the following Quality Assurance standards:- ISO 9001-1994:

Persistence has taken MMD from its modest beginnings to being arguably the world leader in mineral sizing technology, identifying and finding solutions to problems, in the continuous improvement and development of both existing and new products, as identified by the changing scene of mining operations of out customers.

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At MMD we care for our customers and over the years have created a very special relationship with many of them resulting in long lasting and mutually rewarding undertakings on numerous projects.

Partnership with suppliers, by utilising the resources and expertise of the world’s specialists, to meet the needs of both MMD and its customers in order to offer the best equipment and service possible.

Geographically, the group of MMD companies is strategically located throughout the world in order to serve the international mining scene and offer quick response to your mineral sizing needs. An MMD company can be reached by phone, fax or e-mail 24 hours a day.

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