Stainless steel tee is a kind of pipe fitting used at the branch of pipeline. For the manufacture of tee with seamless pipe, the commonly used processes are hydraulic bulging and hot pressing. The hydraulic bulging of stainless steel tee is a kind of forming technology that expands the branch pipe through the axial compensation of metal materials. The process is to use a special hydraulic press to inject liquid into the tube blank with the same diameter as the tee. The two horizontal side cylinders of the hydraulic press synchronously move in the center to extrude the tube blank. The volume of the tube blank becomes smaller after extrusion. The pressure of the liquid in the tube blank increases with the volume of the tube blank. When the pressure required for the expansion of the stainless steel tee branch pipe is reached, Under the double action of the side cylinder and the liquid pressure in the tube blank, the metal material flows along the mold cavity and expands out of the branch pipe.
The hydraulic bulging process of stainless steel tee can be formed at one time, with high production efficiency; The wall thickness of the main pipe and shoulder of the stainless steel tee is increased.
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