The reason and solution of punching easily broken (1)
　　1, closed height is too low, punch cut into the knife-edge part is too long.
　　Solution: adjust the closure height, so that the punch head appropriate length.
　　2, improper positioning of materials, resulting in punching tungsten steel punch cut unilateral, due to uneven force fracture.
　　Solution: adjust the positioning or feeding device
　　3, under the mold waste blocked knife edge, causing the punch off.
　　Solution: re-drilling large blanket hole, so that blanking smooth
　　4, the fixed part of the punch (plywood) and guide parts (playing plate) offset.
　　Solution: repair or re-cut into the block so that the punch up and down smoothly
　　5, playing board guide bad, resulting in a single force punch.
　　Solution: re-repair plate gap
　　6, punch knife blade is too short, and playing board dry.
　　Solution: Replace the punch, increase the length of the blade edge
　　7, punch fixed bad, up and down movement.
　　Solution: Re-fix the punch so that it can not move up and down
　　8, punch edge is not sharp.
　　Solution: Rinse the edge