Recent Patents on Friction and Wear Tester

Background: Friction and wear of parts in the machine seriously affect the service life and efficiency of the machine. The friction and wear characteristics of parts are important for the mechanical industry. The mechanism of friction and wear is complex and wear have far lacked a systematic theory. The friction and wear characteristics of materials or parts must be tested through test. Thus, the friction and wear tester plays an important supporting role in tribological research. The function and accuracy of the testers are critical to its accuracy and efficiency. Objective: This study summarizes the current development status of friction and wear testers and explains the development trend of friction and wear testers. Methods: This article reviews various representative patents related to friction and wear tester. The friction and wear tester is classified. The characteristics of various detection methods are analyzed, the problems existing in the current development are summarized and analyzed. Results: The advantages and disadvantages of the related patents of the existing friction and wear tester are analyzed. It is found that there are major problems such as low detection accuracy, low efficiency and incomplete functions. The development trend of friction and wear tester is expected. Conclusion: The optimization and progress of the friction and wear tester is conducive to improve the wear resistance of the material, the service life of the parts and the working accuracy. In the future, more friction and wear testers will be invented.