1. Welding gap

焊接空隙也叫对口空隙，是焊接件对口处两个焊件中间的空隙。焊接空隙直接关系焊口质量。

Welding gap is also called butt gap, which is the gap between two weldments at butt joint of weldment. The welding gap is directly related to the quality of welded joint.

焊接空隙过小时焊缝不易焊透；焊接空隙过大时增加焊接的难度，填充量大影响焊接进度，增大焊接应力，易于发生焊接变型。

When the welding gap is too small, the weld is not easy to be penetrated; when the welding gap is too large, the welding difficulty is increased, the filling amount is large, the welding progress is affected, the welding stress is increased, and the welding deformation is easy to occur.

2、钝边尺寸

2. Blunt edge size

钝边尺寸也叫坡口尺寸，针对U形坡口还包括圆弧R的尺寸。

Blunt edge size is also called groove size. For U-shaped groove, it also includes the size of arc R.

钝边过大或过小都是会针对焊接质量造成影响，钝边过小易于造成烧穿，钝边过大易于造成未焊透。假如接头两侧的钝边同时过大或过小还相对易于处理，可以根据调节电流来控制熔深。假如由于一侧钝边大，另一侧钝边小，假如采用小电流，便会未焊透。假如采用大电流，便会烧穿，因而，这种情况特别在单面焊双面成型的焊接工作中应引起足够的重视。

Too large or too small blunt edge will affect the welding quality, too small blunt edge is easy to cause burn through, too large blunt edge is easy to cause incomplete penetration. If the blunted edges on both sides of the joint are too large or too small at the same time and relatively easy to handle, the penetration can be controlled by adjusting the current. If because one side blunt edge is big, another side blunt edge is small, if use small current, can not weld thoroughly. If large current is used, it will burn through. Therefore, this situation should be paid enough attention to especially in the welding work of single side welding and double side forming.

U形坡口是一类节约焊材的坡口形式，可是圆弧R的尺寸务必保正焊条或焊丝可以易于地伸到坡口底部进行焊接。

U-shaped groove is a kind of groove form which can save welding materials, but the size of arc r must be right, and the welding rod or welding wire can easily extend to the bottom of groove for welding.

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The above is the related content of automatic welding equipment introduced by Xiaobian. Please refer to it. For more wonderful content, please pay attention to: http://www.tayfsk.com