1, the first choice of the correct mode of the next gap, and effectively do a different plate thickness of the different clearance of the mold.
2, in sheet metal actual rushed to, if not timely polishing die and mould, no matter you are using expensive imported mold, or expensive coating die, die cutting edge passivation in pHi Feng burr like. 3, knife edge passivation caused by noise, punching shear rate decreased, band of material scrap rising), even with material pulling plate, you will not be able to avoid!
4, sharpening will not misuse wood industry and trade; is to ask shop sheet metal mould is fully utilized to prepare the car, the use of suitable grinding tool, or special automation or semi automation grinding machine, timely to die of grinding and, in order to keep the blade sharp, is improve the punching efficiency, improve quality, reduce the removal law of frontal burr Phi!