Study on ion implantation modification of 42CrMo needle plate of hosiery machine
In order to solve the serious wear problem of the needle plate of the hosiery machine made by 42CrMo,this paper uses nitrogen ion implantation method to modify and strengthen its surface.The results show that nitrogen ion implantation can improve the surface hardness of the needle plate.The fitting function was HV=-61.31ln(F)+443.71(F≤9.807N).The heat generated during ion implantation will increase the temperature of the needle plate,thus increasing its deformation.The surface grooves of the needle plate have been improved,exhibiting good consistency.
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