Blanking die design of manual scale mark for crescent hole
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As a stainless steel impeller disk used for aviation,25 crescent holes are uniformly distributed on stamping part,and the size requirements of the hole positions should be met.According to the aviation parts feature,the blanking workpiece positioning scheme was determined,through the use of unique position mode and the coordination of high precision index plate,positioning shaft and shaft pin,a blanking die mechanism of manual scalemark for crescent hole was designed to realize the stamping of 25 uniform crescent shape holes.Production results show that the stamping die structure design is reasonable and convenient to operation.The size of workpiece in stamping processing fully meets the requirements of design drawings.