Scrap jumping a. The punch length is not enough. Press […]
a. The punch length is not enough. Press the punch edge to cut into the die. Add a material thickness and add 1mm to replace the punch.
b. The die gap is too large. The cut-in reduces the gap or reduces the gap with the coating machine.
c. The punch or template is not demagnetized. The punch or template is demagnetized with a demagnetizer.
2. Waste caving
a. The blanking hole is small or the blanking hole is biased. The blanking hole is enlarged to make the blanking smooth.
b. The blanking hole has a chamfer. Increase the blanking hole to remove the chamfering
c. The taper is not tapped. The line taper or the reverse hole reduces the length of the straight wall.
d. The straight wall of the knife edge is too long. The reverse hole is drilled to shorten the straight wall position of the knife edge.
e. The edge of the blade collapses, causing a large cloak, blocking the material and re-grinding the cutting edge.