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钣金加工中防止焊接变形在设计时的注意事项

2018-06-01 08:07:33 常州亿创钣金加工厂 阅读

钣金加工中,为了防止焊接变形,在焊接结构设计时,不仅要考虑结构强度,稳定性和经济性,而且也应该估计到结构设计时不合理所造成的焊接变形问题,一般应注意以下几个方面:

(1)在保证结构强度的前提下,应尽量减少焊缝的数量。

(2)选择合理的接头和坡口形式,焊缝应避免集中在一个小的区域内,平行的焊缝也应尽量减少。

(3)对称布置焊缝,并尽可能地将焊缝布置在靠近中心线的区域内。

(4)设计焊接结构时,应考虑在生产中,能方便地使用工具夹,以有利于防止焊接变形。

In order to prevent welding deformation, in order to prevent welding deformation, the structure strength, stability and economy should not only be considered when the structure is designed, but also the problem of welding deformation caused by the unreasonable structure design should be estimated, and the following aspects should be paid attention to:

(1) under the premise of ensuring the strength of the structure, the number of welds should be minimized.

(2) choose reasonable joints and groove forms. The weld should avoid being concentrated in a small area and parallel weld should also be minimized.

(3) arrange the weld symmetrically and place the weld as close to the center line as possible.

(4) when designing the welded structure, the tool clamps can be conveniently used in production, so as to prevent welding deformation.


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