Introducing "pin-on-disk type friction and wear testing machine" and "friction and wear testing methods" with photos!
The "special nut" is a nut designed to prevent loosening, which generates friction torque that strongly compresses the threads of the bolt due to the internal spring action (SUS301), thereby preventing free rotation. This document includes the "friction and wear characteristics" measured using a pin-on-disk type friction and wear testing machine, which assesses friction force and wear amount, as well as a "seizure test using the special nut" conducted for the purpose of comparing practical seizure phenomena. We encourage you to read it. [Contents (partial)] ■ Friction and Wear Characteristics - Conditions for pin-on-disk friction and wear tests - Hardness of test specimens - Combinations of friction and wear tests and test results ■ Seizure Test Using Special Nut - Testing method - Test results *For more details, please refer to the PDF document or feel free to contact us.
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