Founded in 1978 to design and manufacture mineral processing equipment for the UK underground coal mining industry, MMD developed the Twin-Shaft Mineral Sizer, an innovative product providing a technological breakthrough in mineral reduction.
The MMD Group of Companies is a world leading specialist in the processing and reducing of natural and manufactured materials utilising Sizer Technology.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 cubic metres, with capacities in excess of 12,000 tonnes per hour. The MMD Sizer has the ability to process wet sticky material or hard dry rock or a combination of the two, and has proven to be the ideal sizing solution for over 80 different minerals worldwide, in industries such as cement, ceramics, construction, diamonds, energy, industrial minerals and precious metals.MMD has also successfully designed and manufactured, mobile, semi-mobile, and static Sizer stations for the complete mineral sizing solution.
The MMD 500 Series Twin-Shaft Sizer
The 500 Series Sizer was the first designed in the MMD range and has been successful in numerous industries worldwide. It is one of the most versatile machines, and can be supplied as a primary, secondary or tertiary machine depending on the tooth configuration. This machine can be constructed as a fixed centres, adjustable centres or as a single rotor unit with a range of tooth configurations to suit individual applications. Different lengths are available to enable processing of higher or lower tonnages, and can be single or double drive, depending on tonnage requirements and the material being handled. A typical adjustable 500 Series Sizer with twin 75kW electric motors, has an approximate mass of 12 tonnes.
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