What are the precautions for the operation of light steel villa overhead welding technology
In order to ensure that the welding seam of the light steel villa keel is beautiful, the movement speed of the welding torch should be uniform and the arc height should be stable. For welding the wrist of the gun, if possible, it is better to use the half-kneeling welding method. Support the elbow of the hand holding the welding gun on the knee of the half-kneeling leg. This position is stable when welding, and the welding seam of the light steel villa is stable. The forming is more stable and the structure is firmer. The swinging method of the welding torch during overhead welding of light steel villas is completely different from that of flat welding, but it adopts right-hand welding or welding from far to near. The big problem of single-sided welding and double-sided forming of light steel villa overhead welding is that the back welding bead is concave, which is a common problem of general welders, but with the continuous innovation of Shenlong technology, this defect can be completely avoided by improving the operation technology. . The key to welding the convex bottom bead on the back of the light steel villa keel is to select the welding process parameters and control the height of the arc, so that the arc burns at 1~1.5MM from the top surface of the steel plate, and consciously let part of the arc pass through. Pass over the top surface of the steel plate and burn on the welded bead to obtain a convex rear bead of the overhead welding of the steel structure villa. After the light steel villa is completed, the owner cannot make structural changes on his own, which is different from ordinary concrete buildings, let alone dismantle any bolt component, because it will destroy the overall stability of the house and cannot be added without authorization. Or demolish the wall, if the second modification must be carried out, the company must intervene to adjust the design according to the house structure and then modify it. The exterior walls of light steel villas should be regularly maintained with special paint, and the roof asphalt shingles should be replaced every 5 years according to the actual situation. The structural components of the light steel villa are integrally linked. When the user is setting up the power line, the line cannot be wound on the steel structure body. Line pipes or line isolation grooves should be set up to avoid circuit short-circuits.
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