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Drag
brake units
are calibrated with equal values of cw and ccw slip torques
corresponding to the value of tabulated Upper Limit Torque.
Torque brakes
can also be calibrated with slip torque values lower then
the maximum values shown. When ordering the CW and CCW torque
drag brakes values may be specified anywhere from the
full torque value listed, to a lower value of approximately
1/8 of this maximum, and may be specified the same or different
for each of the two directions of rotation.
CO-B Series drag
brakes are designed for long life slip conditions. The
useful life of these elements is a function of transmitted
torque and slip speed. The service life factors of our constant
& variable torque drag brakes are based on continuos
duty testing on mildly hard wear surfaces. Service life
may be extended by a factor of approximately 4X by specifying
Nitride surface treatment in wear-critical applications.
All brakes
of this type have a slot for engagement by a pin which prevents
rotation by the stationary member. Dimension "F"
indicates the recommended radial distance from the axis
of the brake to the center of the pin. The axial penetration
of the pin in the slot should provide for approximately
.010" clearance to prevent bottoming.
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contact our representatives
with your questions and needs.
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