钻机立轴套热处理工艺的改进  

Improvement of Heat Treatment Process for Vertical Bushing of Dri ll Rigs

作　　者：唐明华[1] 张蓉[1] 张岚原[2] 

机构地区：[1]湖南大学衡阳分校 [2]衡阳有色冶金机械总厂

出　　处：《工程机械》2003年第3期37-38,共2页Construction Machinery and Equipment

摘　　要：针对20Cr钢钻机立轴轴套渗碳淬火热处理存在的变形问题进行了原因分析,提出了改进的碳氮共渗工艺,并已用于工业生产,取得了显著的经济效益。Deformation causes in heat treatment processes,such as car-bonizing a nd quenching,of20Cr steel vertical bushing on drill rigs are analyzed in the article.An improved carbonizing pro-cess is suggested and significant effect is achieved in practical production.

关 键 词：热处理工艺 钻机 轴套 材料 碳氮共渗 

分 类 号：TG156[金属学及工艺—热处理]