Die for machining powder metallurgy multi-step part
A powder metallurgy, multi-step technology is applied in the field of molds for processing powder metallurgy multi-step parts, which can solve the problems of low machining accuracy and high cost, and achieve the effects of accurate machining dimensions and lower production costs.
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[0016] The present invention will be described in detail below with reference to the accompanying drawings.
[0017] See figure 1 A mold for processing powder metallurgy multi-step parts 7 of this embodiment includes a die 6 and a punch die assembly. The die 6 includes a die body and a die sleeve for fixing the parts. The die sleeve is provided with a first pass The punch die assembly includes a first punch die 1, a second punch die 2, a third punch die 3, a fourth punch die 4, and a fifth punch die 5. The second punch die 2 is located in the Above a through hole, there is a second through hole for the first punch die 1 to enter, the third punch die 3 is located below the first through hole, and there is a third through hole for the fourth punch die 4 to enter. Hole, the fourth punch die 4 is provided with a fourth through hole for the fifth punch die 5 to enter.
[0018] The process of processing the powder metallurgy multi-step part 7 by the mold of this embodiment is: fix the p...
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