Page 32 - Module DMV20173
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3.0 SHEET METAL PROCESSES
3.2 SHEARING PROCESSES
1. Before a sheet-metal part is made, a blank of suitable dimensions first is removed
from a large sheet (usually from a coil) by shearing.
2. Fig 4.2 – 4.4 show schematic illustration of shearing with a punch and die, indicating
some of the process variables. Characteristic features of a punched hole and the
slug.
Figure 3.2 Punch and die.
Figure 3.3 Punched hole.
BPLK 64 DMV 20173
