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What Factors Influence The Punching Process?

Mar. 20, 2019

Here is Profiled Punch For Stampings Wholesaler talking about factors influence the punching process. 

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Precision Punches For Molds

The shape and position error of the guide bush guide sleeve mainly includes: the perpendicularity error between the guide post and the bottom surface of the lower mold, the perpendicularity error between the guide sleeve and the upper mold plane, the coaxiality error of the guide post and the guide sleeve, the two guide columns and the two guides position error between sets, etc. Although these shape errors do not directly affect the punching gap, they cause the parallel of the upper and lower dies to increase the lateral force during punching. In addition, the positional error of the guide post guide sleeve is also limited by the fit of the guide post guide sleeve. If the shape and position error is selected to affect the normal sliding between the guide bushing sleeves during punching, the wear between the guide bush guide bushes will be aggravated, and if it is serious, the jam will occur, causing damage to the mold and equipment. If the geometrical tolerance is too small, it will be difficult to process and assemble the guide bushing.


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