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钣金加工中的焊接变形原因及校正法

2018-06-14 11:23:21 常州亿创钣金加工厂 阅读

钣金加工中的焊接变形原因及校正法

钣金加工中的焊接符号分为:△角焊,Ⅰ型焊,Ⅴ型焊接,单边Ⅴ型焊接(Ⅴ)带钝边Ⅴ型焊接(Ⅴ),点焊(0),塞焊或槽焊(Ⅱ),卷边焊(Ⅹ),带钝边单边(Ⅴ),带钝之U型焊,带钝的J型焊,封底焊,逢焊。

以上是介绍钣金加工工艺中焊接种类,那焊接过程中出现变形原因是怎么造成的呢?该如果去解决呢?我们拭目以待:

1.焊接变形原因:焊接前准备不足,需增加夹具,焊接治具不良改善工艺,焊接顺序不好。

2.焊接变形校正法:火焰校正法,振动法。

3.焊接缺失及其预防措施:电焊:强度不够可打凸点,加强焊接面积。C02焊:生产率高,能源消耗少,成本低,抗锈能力强。氩弧焊:熔深浅,熔接速度慢,效率低,生产成本高,具有夹钨缺陷,但是具有焊接质量较好的优点,可焊接有色金属,如铝、铜、镁等。

The cause of welding deformation in sheet metal processing and the correction method

Welding symbols in sheet metal processing are divided into delta angle welding, type I welding, type V welding, V-type welding (V) with blunt side V-type welding (V), spot welding (0), plug welding or groove welding (II), coiling welding (V), blunt U welding, blunt J welding, bottom seal welding, and welding.

The above is about the type of welding in sheet metal processing. How did the deformation cause in the welding process? What if it's going to be solved? We wait and see:

1. cause of welding deformation: insufficient preparation before welding, increase fixture, bad welding jig, and poor welding sequence.

2. welding distortion correction method: flame correction method and vibration method.

3. welding defects and preventive measures: electric welding: not enough strength to bump, strengthen welding area. C02 welding: high productivity, low energy consumption, low cost and strong rust resistance. Argon arc welding: the melting depth is shallow, the welding speed is slow, the efficiency is low, the production cost is high, it has the tungsten defect, but it has the advantage of good welding quality. It can weld non-ferrous metal, such as aluminum, copper and magnesium.



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