Posts Tagged ‘ slug killer ’

Slug pulling is a headache problem in metal stamping industry. Poor tool design or poor tooling set up technique can cause slug pulling. Slug pulling is usually caused by improper draft angle on the die, too big the cutting clearance, vacuum effect on punch, insufficient punch to die entry, excessive lubrication used, magnetism etc....
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The quality of the stamped component depend very much on the cutting clearance applied between the punch and die and it alignment. The cutting condition of any component can be seen easily from the appearance of the slug. If we take a closer look at the cut edge, we can easily see a rollover at the bottom...
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