介绍了减速机机壳裂纹的电弧冷焊法，采用“短段、断续、分散焊”的工艺，有效地解决了这一难题。
Reducer chassis craze repairing method which adopts short craze welding, interrupted welding and dispersed welding is introduced and effectively solves this difficult subject.
提出采用合理控制装配、焊接顺序以及多段逆向大幅度跳焊法等工艺，可有效控制油罐底板焊接时产生的波浪变形。
The authors consider that rational welding sequence and multi-plate skip welding method can effectively suppress the wave-type deformation of bottom welding.
介绍了风机集流器弧段压型、组焊的工艺方法。
The method of segmental arc pressing and combinational weld technology of fan collector is introduced.
本文概述钢制对焊高压带直段弯头的开发。
This paper describes the development of high - pressure steel butt welding bends with straight ends.
中间焊段的收弧区降低先焊焊段残余拉应力的效果要优于起弧区。
Moreover, the effect of the latter welding subsection's quenching arc region on decreasing residual stress of the prior welding subsection is better than the striking arc region.
研究表明，用多个扇形模具块对焊管端口进行机械扩径时，椭圆管坯的塑性变形具有显著的局部特性，且主要集中于悬空段。
The study shows that plastic deformation of the elliptical tube which has a significant local characteristic mainly concentrates in the vacant section, when expanding using several expanding punches.
从中间向两端逐步退焊法变形最小，采用逐段跳焊法也可以减少变形。
Take welding from middle to both ends step by step may have the least deformation, or take welding from one section to another step by step may also reduce the deformation.
此外，副通道以所需的一定间隔横向或斜向焊封或胶粘而分隔成纵向节段；
Two vertical edges of the utility model are overlapped and welded up or glued to form a main channel and an assistant channel.
此外，副通道以所需的一定间隔横向或斜向焊封或胶粘而分隔成纵向节段；
Two vertical edges of the utility model are overlapped and welded up or glued to form a main channel and an assistant channel.
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