Introduced built-up welding welding rod's selection principle and built-up welding craft when the Angle steel shearing punch built-up welding.
介绍了角钢剪切凸模堆焊时，堆焊焊条的选择原则及堆焊工艺。
If the set collar end hardness is lower than HRC40, should first on the end surface again a built-up welding hard alloy, after the polish repackaging.
如果固定环端面硬度低于HRC40，则应先在端面上重新堆焊一层硬质合金，经磨光后再装配。
The paper analyzes the reason for the rail connection squished and recommends the process of restoring the track applying the built-up welding technology.
分析铝电解多功能天车轨道接头局部压溃的原因，介绍采用手工堆焊工艺修复方案之全过程。
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