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Hilliard offers a broad line of motion control products for the Mining Industry including caliper brakes and backstopping clutches for conveyors, brake systems for draglines and ball mills as well as the Brake Boss brake control system. Hilliard products are designed, manufactured, and sold according to the customers' applications. 

 
 

Sprag Clutches


Hilliard Sprag Clutches are designed for overrunning, backstopping and indexing applications. This clutch is a freewheeling device with an inner race and an outer race, either of which can be the input or output member. The input can drive the output in a chosen direction and permit the output to overrun in the same direction. The clutch consists of a cage full of steel sprags or wedges, located in the space between concentric inner and outer races. Power is transmitted from one race to the other by the wedging action of the sprags between them. Rotation in one direction causes the sprags to tilt and wedge, preventing rotation. This allows free rotation in the opposite direction.

Applications

Industrial Fans - Material Handling - Mining - Packaging/Printing - Printing Press

Type: Backstopping & Indexing

Documents

Overrunning Sprag Clutches (Brochure) HSO-HSX Sprag Clutches (brochure)

BBH2


The Hilliard BBH2 Power Unit incorporates an engineered hydraulic circuit to control the brake torque during a typical stop. Large capacity hydraulic accumulators provide additional volume for precise control of brake pressure. Equipped with manual overrides and hand pump for power outages, high pressure filtration and control braking mode to meet sophisticated braking system applications.

Applications

Conveyors - Mining - Power Generation - Renewable Energy

Type: Power Unit

Documents

BBH2 Power Unit (Brochure)

BBH3


The H3 Power Unit is Hilliard's most advanced brake control system. With a PID Loop Control, the BBH3 Power Unit is capable of monitoring speed. The Hilliard BBH2 Power Unit incorporates an engineered hydraulic circuit to control the brake torque during a typical stop. Large capacity hydraulic accumulators provide additional volume for precise control of brake pressure. Equipped with manual overrides and hand pump for power outages, high pressure filtration and control braking mode, the BBH3 power unit can be customized to accept other signals that are relevant to the application.

Applications

Conveyors - Mining - Power Generation

Type: Power Unit

Documents

Brake Boss BBH3 (Brochure)

BBH4


Hilliard BBH4 power unit is suitable for brakes demanding pressures above 3,000 PSI. It includes on/off and ramped braking modes. The power units are highly customizable, allowing customers to specify component types for several items in the system, including the motor, electrical panel, RTD, and pressure transmitter. The unit includes an isolated hand pump specifically useful in power outages.

Applications

Mining - Power Generation

Type: Power Unit

Documents

Hilliard Brake Boss BBH4 (Brochure)

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