Quality and Control of Grinding-Hardening in Workpieces

Ju Dong Liu; Wei Yuan; Jin Kui Xiong; Song Wei Huang

doi:10.4028/www.scientific.net/KEM.522.87

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HomeKey Engineering MaterialsKey Engineering Materials Vol. 522Quality and Control of Grinding-Hardening in...

Quality and Control of Grinding-Hardening in Workpieces

Abstract:

On the basis of the surface grinding-hardening test, studied on the quality of grinding-hardening in 65Mn steel. The results show that grinding method has insignificant effect on the microstructure and the high hardness value of the completely hardened region at different locations alone the direction of length. The completely hardened region is composed of fine acicular martensites, residual austenites and a little carbides, and the high hardness value is between 760-820HV. As the changing of grinding method, the uniformity and depth of the hardened layer changed accordingly. The quality of grinding-hardening could be improved with big depth of cut, small table speed and combined with the grinding method of up-down grinding or down-up-down grinding which could effectively control the depth and uniformity of the hardened workpieces.

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Periodical:

Key Engineering Materials (Volume 522)

Pages:

87-91

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.522.87

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Online since:

August 2012

Authors:

Ju Dong Liu, Wei Yuan, Jin Kui Xiong, Song Wei Huang

Keywords:

Control, Grind-Hardened Quality, Grinding, Grinding Method, Surface Hardening

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