The processing method of stainless steel pipe fittings?

Stainless steel pipe is a kind of pipe fitting, it is made of stainless steel materials, so called stainless steel pipe fittings, it includes stainless steel elbow, stainless steel tee, four-way stainless steel stainless steel tube, stainless steel reducer, cap, etc., according to join method can be divided into the socket type stainless steel pipe fittings, flanges threaded stainless steel pipe fittings, stainless steel pipe and welded stainless steel pipe fittings four classes.

Stainless steel pipe fitting is a new type of pipe fitting widely used. Generally speaking, there are several processing methods as follows:

1, forging method: the end of the pipe or part of the forging machine to stretch, so that the outer diameter is reduced, commonly used type forging machine has rotary, connecting rod type, roller type.

2, roller method: placed in the stainless steel tube core, external with roller push, circular edge processing.

3, stamping method: in the punch press with a taper core to expand the pipe end to the desired size and shape.

4, bending forming method: there are three methods more commonly used, one method is called stretching method, another method is called stamping method, the third roller method, there are 3-4 rollers, two fixed rollers, an adjustment roller, adjust the fixed roller distance, the finished pipe is bent.

5. Rolling method: generally without mandrel, it is suitable for the inner circular edge of thick wall pipe.

6, swelling method: one is to place rubber in the tube, above the punch compression, so that the tube protruding shape; Another method is hydraulic bulging, in which a liquid is filled in the middle of the pipe and the pressure of the liquid bulges the pipe into the desired shape. This method is used in most bellows.

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