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Camshaft production technology

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Camshaft production technology

作者: Release Date: 2017-02-16 Author: Click:

The camshaft is one of the key parts of the engine. The hardness of the peach tip of the camshaft and the depth of the white layer are the key technical indicators that determine the service life of the camshaft and the efficiency of the engine. On the premise of ensuring that the cam has a sufficiently high hardness and a relatively deep white mouth layer, it should also be considered that the journal does not have higher carbides, so that it has better cutting performance.

The main methods of producing camshafts at home and abroad are: the process of forming a martensite layer by high-frequency quenching of the peach tip part of the cam after the steel forging blank is cut and processed. In the late 1970s, Germany and France successively developed new argon arc remelting processes for camshafts; hardenable cast iron camshafts mainly based in the United States; cold hardened cast iron camshafts mainly based in Japan and France; and cams Cr-Mn-Mo alloy coatings are used for the surface alloying of castings.


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