Measuring belt tension with the Gates Sonic Tension Meter: The Pulley Pro® alignment tool will help monitor the pulley alignment condition as belts are adjusted for the correct tension level. It is possible for belt tension adjustments to alter pulley alignment, and for pulley alignment adjustments to alter belt tension levels. New belts generally require higher tension levels than used belts because they have not been run in. Adjust belt tension until the force required to achieve the desired deflection distance is within the belt manufacturer’s recommended force values for the type of belts being used.When the desired deflection distance has been reached, note the force registered on the spring scale. Using a spring scale, press down on the belt in the approximate center of the span, and deflect the belt to the desired level.
Measure the belt span length and calculate the desired deflection distance (1/64” per inch of span length).Force – Deflection Method of belt tensioning: The accuracy of the alignment is greatly increased and the process can be completed quickly and V Belt Tension Methods & InstructionsĮasily. Pulley Pro® enables all three alignment conditions to be monitored simultaneously. Incorrect belt tension (as well as pulley misalignment) adversely affects belt drive reliability and efficiency.Īfter the pulleys have been aligned, it is very important to tension the belts to manufacturer’s recommendations.
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