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che chuang xiang gang dao gui kuai de shen tan
Author(s): 
Pages: 52
Year: Issue:  10
Journal: Heat Treatment of Metals

Keyword:  镶钢导轨表面硬度耐磨性表面碳浓度渗碳剂精密车床渗层深度渗碳工艺使用寿命渗碳淬火;
Abstract: <正> SUMMIT车床是一种精密车床。为了提高耐磨性及使用寿命,在床身上采用了镶钢导轨块。为了提高导轨块的表面硬度及耐磨性,设计时选用了20Cr钢渗碳淬火,渗层深度2.0~2.5mm,表面碳浓度0.95%左右,淬火回火后表面硬度为HRC50~55。
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