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 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 the "seizure test using special nuts" conducted for the comparison of 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 Nuts - Testing method - Test results *For more details, please refer to the PDF document or feel free to contact us.
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Silicolloy is a revolutionary new material that contains a large amount of silicon (silicon) and was developed using pure domestic technology. Silicolloy is a super alloy that possesses high strength, heat resistance (high-temperature oxidation resistance), corrosion resistance, wear resistance, high hardness, and low dimensional changes during heat treatment, all in one steel. Currently, many engineers (technicians and designers) are advancing its commercialization, contributing to new product development and total cost reduction through extended product lifespan. There are 'Silicolloy A2', which excels in overall balance as a precipitation-hardened stainless steel, and 'Silicolloy XVI', which has the highest hardness in the world as a precipitation-hardened type. Those who require both corrosion resistance and high hardness should definitely take note! In 2025, a new material called 'Axia Zero Series' will be developed. This new material is a precipitation-hardened stainless steel that not only has high corrosion resistance and high hardness but also high strength and high durability. 'Axia Zero3' achieves high hardness of 56-58 HRC, high corrosion resistance equivalent to austenitic types, and high strength in the 2000 MPa range. It features hardness obtained through precipitation hardening treatment at 480°C, which minimizes deformation and dimensional changes due to heat treatment and resolves various issues related to quenching.