提供能够以尽可能低的载荷制造鼓出部为弯曲形状的镦锻加工品的镦 锻加工方法。
The present invention provides an upsetting method capable of manufacturing, by a minimum load, an upset article having swelled parts formed in a bent shape.
在该镦锻加工方法中，一边使坯件(1)的鼓出预定部(2)鼓出，一边弯曲该鼓出预定部(2)。
In the upsetting method, the planned swelling parts (2) of the material (1) are bent while the planned swelling parts (2) are being swelled.
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