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1. The surface is hard, and the hardness can reach about HV500; 2. The thickness of the oxide film of 25-250 microns; 3. Strong adhesion, oxidation characteristics can be generated according to hard oxidation: 50% of the oxide film formed inside the aluminum alloy with a permeability of 50% adheres to the surface of the…
Monthly Archives: November 2021
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Nov
Nov
Why factory always request PDF and STP two drawings when start to produce ? This is very easy to answer : becasue for CNC machining , we always need STP files to make program . then debug machine . For the PDF files , when we inspection , we need according the PDF tolerance to…