Perma-Tork® How to Order: Examples H Hysteresis C Clutch 2- 14 Size (relative) H Bore (relative) Hysteresis B Brake 6- 1 Size (relative) Bore (relative) Application Example Our application selection criteria Nip roll diameter = 2 inches Tension = 3 lbs Velocity = 100 feet per minute 5. Mounting: For our example, choose the nip roll tension control procedure from page 6. HC-4-use the bolt circle to mount brake body. The hollow shaft is the input and is attached to the nip roll. 2. Torque required: Torque = 3 lb x 2 inches = 3 lb-in 2 PB-6- use bolt circle to mount brake body. The solid shaft is the input and is attached to the nip roll. 3. Heat dissipation required: Slip watts = 3 lbs x 100 fpm = 7 watts 44.2 6. Ordering information required: 4. Unit required: 1. Quantity-5 pieces 2. Model-HC4-58 (.625 inch bore) HC-4 or PB-6 are satisfactory. Permanent Magnet Clutches & Brakes 157 Permanent Magnet Clutches & Brakes Mounting: brake to be mounted on a nip roll 1. Choose selection procedure from pages 6 and 7 that fits your application: