Measuring The Brake Torque - Intermec EasyCoder PX4i Service Manual

Appendix C — Measuring the Break Torque

Measuring the Brake Torque

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If you do not have access to a torque-measuring instrument, you could
easily make a provisional instrument using a roll of spent transfer ribbon, a
simple dynamometer and a ruler:
• Fit the ribbon roll on the spool you want to check. The larger roll, the
better accuracy.
• Measure the radius from the center of the spool to the edge of the
ribbon roll.
• Fit the end of the ribbon to the dynamometer and pull.
• Read the dynamometer.
• Calculate the torque using the formula:
Torque (Nmm) = Radius (mm) × Force (N)
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Dynamometer
Force
Formula:
Torque = Force x Radius
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