't h e p o w e r t r a n s m i s s i o n e n g i n e e r s'
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The TSM4 is a pocket sized belt tension meter which measures the static tension of all common toothed, vee, flat and multi-rib belts.
Setting the correct static tension ( pretension Fpt ) influences the working life, bearing loads, noise levels and positioning accuracy of the belt. The value Fpt can be determined by calculation where the peripheral force is known or empirically where the torque value is unknown. Generally the ideal pretension level is that which gives the least vibration of the unloaded belt span in operation. The tension meter is designed to measure the static tension of a belt by determining the natural frequency of vibration of the belt under tension.
The natural frequency is a function of :