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When using the Mahr portable roughness tester, it is common to calibrate and validate with roughness comparison specimens before and after measurements. This helps ensure the reliability and consisten...
Cold treatment and heat treatment of machined products are two different processes. They mainly change the properties of the material by controlling the temperature and time of the material....
Vacuum quenching refers to the smooth quenching of parts. The quenching and cooling of parts is carried out in a vacuum furnace. The quenching medium is mainly gas (such as inert gas), water and vacuu...