Forming method and device for male coupling part of universal joint
A technology of universal joints and forming methods, applied in forming tools, forging/pressing/hammer devices, manufacturing tools, etc., can solve the problems of time-consuming, labor-intensive, waste of resources, and rising costs
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[0028] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.
[0029] refer to figure 2 One embodiment of the forming device of the male joint of the universal joint of the present invention includes a pre-forging die 2, a bump forming die 3, an extrusion die 4, a lug forming die 5, and an oblique forging die 6, And a bevel forming die 7.
[0030] refer to image 3 , the pre-forging die 2 includes a pre-forging female die 21, and a pre-forging male die 22 that can reciprocate relative to the pre-forging female die 21. refer to Figure 4 , the bump forming die 3 includes a bump forming female die 31 and a bump forming male die 32 that can reciprocate relative to the bump forming female die 31 . The bump forming master mold 31 has a forming space 311 . The forming space 311 has a bump area 312 away from the bump forming male die 32 , and a main body area 313 connected to the bump forming area 312 and extendin...
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