TORSIONAL FATIGUE TESTING MACHINE

PROBLEM TO BE SOLVED: To provide a torsional fatigue testing machine which loads even a test target low in torsional rigidity with torque to be applied, achieves space saving and the reduction of noise, has excellent maintainabilities and achieves cost reduction. SOLUTION: The torsional fatigue testing machine is equipped with a holder on a rotary side for holding one end part of the test target W freely rotatable, a holder 2 on a fixed side for holding the other end part of the test target W unable to rotate, a torque loading means 3 for applying tortional torque to the test target W through the holder 1 on the rotary side and a torque detector 4 for detecting the torsional torque of the test target W loaded with the tortional torque by the torque loading means 3. The torque loading means 3 is equipped with an electric servo motor 7 for applying tortional torque to the test target W, a servo controller 9 for controlling the output of the electric servo motor 7 and an input means 13 for inputting set torque to the servo controller 9. COPYRIGHT: (C)2007,JPO&INPIT