This is the tester for measuring the abrasion strength of respective coating of formal, enamel, and polyester copper wire. This is to measure the number of times until the conductor is exposed, applying a bead needle as the abrasive. At the coating failure, the motor comes to an automatic stop. The number of times is taken as the abrasion strength. It is possible to perform the test three times with the same sample, by rotating it.
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