Supporting wheel closed forging process and forging die
A wheel-closed, process technology, applied in the field of forging, can solve the problems of increasing the loss of raw materials, forging force, easy generation of flashing in forgings, and increasing production costs, so as to avoid processing procedures, reduce deformation area, and improve production efficiency Effect
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[0018] The present invention will be further described below in conjunction with specific embodiments and accompanying drawings.
[0019] Specific embodiment technological process:
[0020] (1) For blanking, the purchase specification is Φ100 round steel, and the material for band sawing is Φ100×209±1mm;
[0021] (2) Heating, sending the raw material in (1) into a 2000KW intermediate frequency induction heating furnace to heat the bar, and the heating temperature is 1200±30°C;
[0022] (3) Forging, after the material is discharged, first upset the hot bar on a 1600T electric screw press, with a blow energy of 12%, and then pre-forge it, with a blow energy of 28%, and put the pre-forged piece into The closed forging die is used for final forging on the 2500T electric screw press, and the impact energy is 18%, and finally the forging is punched on the 400T mechanical press;
[0023] (4) After normalizing with residual heat, the punched forgings enter the residual heat normaliz...
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