Mining & Aggregate

09 March 2017

Mine SAG Mill

Boston Gear Centric® Centrifugal Clutch for Mine SAG Mill

A large mine grinding mill OEM required a centrifugal clutch solution for a new SAG mill. The clutch’s primary role is to allow for smooth, controlled starts during mill startup. It provides protection against the shock loads which occur during the starting of a rigidly coupled mill drive.

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06 February 2017

Coal Mine Stacker

Boston Gear Series 2000 Inline Drive for Coal Mine Stacker

A coal mine needed a new drive for the rope winch on its stockyard stacker. Coal is fed into the rail-mounted machine via a conveyor. The machine slowly moves down the track as it deposits the coal into stacks via a boom-mounted conveyor.

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19 January 2017

Mine Rope Shovel

Boston Gear Series 2000 Inline Drive for Mine Rope Shovel

An operator of a large open pit mine in the Western US needed a replacement drive for the rope winch on one of its shovels. The winch, located inside the shovel’s housing, is used to draw the heavy-duty cable (rope) from the drum and pull it through the boom sheaves during routine rope replacement operations.

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09 January 2017

Mine Feeder Breaker

Boston Gear Centric® Centrifugal Clutch for Mine Feeder/Breaker

A U.S. open pit coal mine operator needed a replacement centrifugal clutch for its primary feeder breaker. The feeding and crushing machine utilizes a “flight chain” that moves the coal from a large tipped hopper into a rotating breaker head that crushes the coal into various sizes.

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19 December 2016

Mine Bowl Crusher

Boston Gear HOR Series Overload Clutch for Mine Bowl Crusher

A major mine crusher OEM needed an overload clutch solution for a new line of bowl crushers. Material is fed through the top of the cone crusher and falls over a mantle.

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