Browse Publications Technical Papers 2020-01-0906

Analysis of CVT Element Vibration by In-Situ Measurement 2020-01-0906

When the belt of a metal pushing-belt CVT is wrapped around the pulleys, vibration is said to be generated from the friction force caused by the elements that make up the belt rubbing against each other. In order to verify this, a small data logger with a triaxial accelerometer (G Sensor) was developed in house, then fixed on a side surface of a movable pulley and measurements were conducted at engine speeds characteristic of actual driving (1500-2500 rpm). The measurement results showed that there is a difference between the average radius of the belt when it is wrapped around the pulley and when it is not wrapped around the pulley, demonstrating that vibration is occurring.


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