High torque backstoppingTsubaki's new BR-HT (high torque) series of backstop cam clutches are designed to provide higher-torque (up to 366,00Nm) backstop functions and high speed (3,600rpm) overrunning. Ideal for OEM applications, the clutches integrate a special design of lift-off cams that provide mechanical engagement only when needed, and optimised speed overrunning with no contact between cams and races.
The high torque capacity of the BR-HT clutch is the result of a design featuring a full complement of cams, providing the maximum number of load transmitting members per given diameter. This results in greater torque capacity, size-for-size, compared to other types of one-way clutches.
The design of the cams used in the BR-HT clutch also offers a unique cross section that provides positive mechanical engagement only when required. At all other times the cam clutch rotates freely with no mechanical contact in the clutch mechanism. The result of this non-contact operation is greatly increased service life in comparison with conventional type clutches.
The BR-HT series are robust units, featuring a simple design in which the Cam Clutch mechanism is incorporated in a cage between standard dimension inner and outer bearing races. This allows the Cam Clutch to be easily and economically integrated into a wide variety of mechanical systems. The facility for this type of mounting is further enhanced by a keyway that simplifies installation by ensuring positive location and fixing of the clutches onto shafts.
The BR-HT Series units are intended for use on equipment such as inclined conveyors and bucket elevators. The range is comprehensive, comprising 65 units with bore sizes from 20 to 320mm, torque capacities from 105Nm to 366,000Nm and maximum overrunning speeds from 1,000rpm to 3,600rpm.
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