10 t门机滚道开裂剥落焊接修复工艺

丁于华; 王永强

引用本文:	丁于华,王永强.10 t门机滚道开裂剥落焊接修复工艺[J].中国表面工程,2002,(4):44~46
	.Weding Repair Technology for Crack and Strip on Revolving Rail of 10t Portal Crane[J].China Surface Engineering,2002,(4):44~46

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10 t门机滚道开裂剥落焊接修复工艺
丁于华,王永强

作者

单位

摘要:

对10t门机旋转齿圈滚道表面，因齿圈材质及淬火硬度等问题，造成滚道淬火面在门机作业过程中会出现开裂，剥落等故障，介绍了采用码头现场焊补工艺，焊补后焊缝质量稳定，工艺方法简单，并且大大降低了维修费用。

关键词: 剥落焊接修复门机滚道开裂补焊

DOI：

分类号:TH213.5 TG45

基金项目:

Weding Repair Technology for Crack and Strip on Revolving Rail of 10t Portal Crane

DING Yu-hua WANG Yong-qiang

Abstract:

The welding repair technology for crack and on revolving rail of 10t portal crane is presented. Due to the problem of revolving rail material and case hardening hardness, crack and strip on hardened surface on revolving rail occur frequently. This technology applied at site gets good welded seam quality and reduces cost.

Key words: portal crane,revolving rail,crack,welding repair,