MIG welding welded joint forming misses reason and preventiv
Time:2017-07-31
Prevents MIG welding welded joint developing misses measure
When aluminum and aluminum alloy MIG welding, the weld joint common flaw mainly has got the welded joint to create the main difference

Prevents MIG welding welded joint developing misses measure

When aluminum and aluminum alloy MIG welding, the weld joint common flaw mainly has got the welded joint to create the main difference: The welded joint becomes the kind difference mainly to show within the weld ripple isn't artistic, and isn't luminous The welded joint curving isn't straight, the width varies, the attachment are extremely many The welded joint center breaks out, nearby two smooth or hollow Welded joint ton and so forth.

1.Cause

(1) Choice the wrong Welding condition

(2) The welding torch position is wrong

(3) The welder works novice

(4) Tip or contact tube aperture is simply too large

(5) Welding arc don't strict alignment bevel center

(6) The welding wire, the weldment and also the protection gas include moisture

2.Preventive steps

(1) Debug frequently, selects appropriate welding condition

(2) Keeps welding torch appropriate inclination position

(3) Fortifies the welder skill to coach

(4) Selects appropriate tip or contact tube diameter

(5) Makes every effort to make certain the welding arc and also the edge is aimed at strictly

(6) Cleaning careful the welding wire and also the weldment before welding Guarantee protection gas?¡¥ wholesomeness

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