Processing method of plumbing pipe fittings

Processing method of plumbing pipe fittings

Bulging method: one is to place rubber in the tube, and compress it with a punch on the top to make the tube protrude and shape; Another method is hydraulic bulging forming, filling the middle of the tube with liquid, and the liquid pressure drums the tube into the desired shape, and most of the production of bellows is this method

Stamping method: Expand the tube end to the required size and shape with a taper core on the punching machine.

Bending forming method: there are three methods are more commonly used, one method is called stretching method, the other method is called stamping method, the third roller method, there are 3-4 rollers, two fixed rollers, one adjustment roller, adjust the fixed roll pitch, and the finished pipe fittings are curved.

Roller method: the core is placed in the tube, and the outer periphery is pushed with a roller for round edge processing.