Mechanical cam clutches use a cam or wedging element to lock the inner and outer races of the clutch, allowing torque to be transmitted in only one direction. Cam clutches allow for higher overrunning speeds, greater torque capacities, and longer service life.
Torque overload devices are designed to protect machinery when an overload or jam occurs. Utilizing a torque overload device can help increase production, reduce downtime and prevent costly repairs.
Cam clutches are precision devices that lock
the inner and outer races through the wedging
action of cams to transmit torque in one direction
of rotation while overrunning in the opposite
direction of rotation. These units are often referred
to as freewheels, sprag, overrunning, backstop
or one-way clutches, depending upon their
application.
Clutches are available with a bore range up through 17.7”
and a torque range up through 720,000 lb. ft. and are the
most complete and versatile cam clutches available for a
variety of applications – from small business machines to
giant steel slitters.
Ten series of clutches perform three basic
modes of operation:
Overrunning
Indexing
Backstopping
These units have set standards of performance,
offering:
We offer seven types of torque overload devices to help you protect equipment and machinery so you can:
Reduce the cost and hassle of overload related damages
Increase production by reducing downtime
Dial in trip torque precision to help reduce nuisance trips
Torque overload devices are available in shear pin, ball detent and friction facing designs. These units are available with up to 1800 rpm, 21,500 ft/lbs of torque and at best, can maintain trip torque within ±3% accuracy to meet the needs of the most demanding applications.
External backstops provide more system holding power than any other backstop and increase the safety and reliability of your equipment by preventing reverse rotations. Our long-life designs and ability to engineer and manufacture complete, integrated drive packages assure that you get an ideal system for your needs whether it’s a single, tandem, or multiple backstop configurations.
Used to stop and/or hold the motor and its driven load. We offer spring set electrically released brakes (power off or fail safe) and power engaged spring released brakes.
We provide optimally designed and manufactured Koniclamp Clamping Hubs with integrated releasing technology for use with either the Moduflex torsionally rigid coupling, in combination with an actuated clutch design, or as a separate shaft component, wherever shafts are connected or overload protection is needed.
Tollok manufactures highly engineered shaft locking devices for the power generation and process industries, as well as general industrial applications. Our products are used to secure rotating shafts, manage torque transmission, and counteract shaft bending and vibration.
Find the right parts for your application based on: dimension, power, speed, service factor as well as other environmental conditions.
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