Mining & Aggregate

24 April 2017

Continuous Miner

Boston Gear Centric® Centrifugal Clutch for Continuous Miner

A major mining equipment manufacturer required a centrifugal clutch solution for a new continuous miner. The machine utilizes twin rotating heads lined with projecting bits. The clutches are positioned between the electric motor and gearbox on each of the two separate head drivetrains.

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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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