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  Single Disc
  QD bushing mounted
   
 
 
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PILOTING INFORMATION
CLUTCH SIZE X* Y
15 9.056 .125
19 11.025 .125
28 14.371 .125
35 17.481 .125
* +.001 - .000
Use either bolt circle (click here and see dimensions E and G) to secure sprocket or pulley clutch to input flange.
 

Preliminary Selection Procedure*
 
1. Determine running torque (TR):
  TR = (HP x 5250) / RPM
 
2. Determine max torque:
  This information can be obtained from motor manufacturer.  Typically, NEMA "B" motors have a max torque that is great is 250% greater than
TR.
 
3. Determine torque setting (TS):
  TS = max torque x 1.50
 
4. Preliminary selection based on:
  a. Torque setting (Ts)
  b. Bore requirement
  c. Max speed
 
5. Consult PT Tech to correctly match application energy requirement and clutch energy capacity
 
6. For diesel or turbine applications consult PT Tech.
 
* This procedure is strictly intended as a general guideline.  Consult PT Tech to finalize selection.
 

Application Engineering Assistance
 
PT Tech has analyzed hundreds of drive systems in many types of equipment and industries.  Our torque control expertise is available to our customers at no charge to help engineer possible torque protection.

PT Tech can provide a computerized report that analyzes your drive system and helps determine the need for torque protection.  The computer generates a torque analysis graphic comparing the maximum torque in the drive system, with and without a TLC torque limiter, under various jam conditions.

Also, PT Tech has developed a unique torque test stand that can simulate shockloads generated by the inertia of motors up to 2500 HP. 

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1441 WOLF CREEK TRAIL  |  P.O. BOX 305  |  SHARON CENTER, OH USA  44274-0305

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