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| Screw fix TIG welding is generally screw repair the most common method. There are four common methods :( a) alkyne oxide, tungsten inert gas TIG, (2) to protect the plasma transport argon arc PTA, (c), metal inert gas MIG (iv) protection welding. Before applying hardfacing material, applying a layer of stainless steel screw on the edge for the dilution control surface material. Repair screw barrel than the general repair screw much more difficult. If the body wear amount exceeds 0.5mm, the overall cylinder can be finely ground to a larger diameter, too large a respective mounting screw in the machine. The obvious drawback of this method is that the size of the non-standard nature. Therefore, the screw from the other machines can no longer be used for non-standard models in. If the cylinder wear occurs near the barrel, you can install a liner in the barrel. However, in most cases, such a barrel for wear, replace the cylinder liner installation or finely ground than the inner diameter increases more meaningful. Screw and barrel restoration step ① the screw placed on a lathe, find the center, check the degree of deformation and concentricity. ② The second step polishing, chromium has been stripped, the root screw or cylinder immersed in acid to remove the pool chrome. ③ Move grinder at the ground to below the normal size. With superficial weld material the missing part. ④ after welding mill moved again kibble. ⑤ using the screw on the side edge grinding machine screw rib trimming. After rough polishing. ⑥ and then to the full restoration parts chrome plating process, the last step is to polish the workpiece. |
