Prevention of carburization

- Nov 04, 2020-

Prevention of carburization

1) Increase the margin method -- in the parts that do not need to carburize in advance to set aside a certain amount of processing margin, the margin than the depth of carburizing layer more than one time. After carburizing first carburizing layer and then turn quenching.
2) Copper plating method -- electroplate a layer of 0.02-0.04mm copper on the part that does not need carburizing. The copper layer shall be compact and shall not expose the original metal.
3) Coating method -- apply impermeable coating on the parts that do not need carburizing.
4) Tooling method -- self-made special tooling to seal the parts that do not need carburizing.

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