Flange and forging manufacturers introduce the forming process of gear forging
The flange and forging manufacturer introduces the forming method according to the complexity of the geometry of the flange and forging and the requirements of the dimensional accuracy and position of the forging. At the same time, considering that the forming difficulty of the gear forging is the convex part of the upper and lower end faces, whose deformation degree is more than 809 / 6, in order to ensure the forming of each convex, it is decided to adopt the closed extrusion method for warm extrusion forming.
The flange and die are guided by the diagonal type of guide post and guide sleeve to prevent the positional tolerance of upper and lower bumps from exceeding the allowable range due to the dislocation of the punch and die. In addition, the flange should be well lubricated to further ensure the smooth demoulding and reduce the wear of the mold, so as to confirm the feasibility and stability of the process. According to the analysis of Shanxi forging drawing, in order to ensure the rationality and dimensional accuracy of gear forging forming and the stability of flange die work, the upper end face of the flange and forging with a diameter of 42mm can be used as the parting surface, that is, the three bumps on the upper end face are warm extruded in the punch, and the four bumps on the cylindrical step body and the lower end face are formed in the concave die.
According to the design experience and the technical requirements in the gear flange and forging drawing, the flange draft angle is about 2 except for the 42mm diameter. The other flange parts are designed to have a vertical surface without draft inclination, so that the geometric shape and dimensional accuracy of flanges and forgings can be determined.
