Page 5 - American Punch Ironworker Tooling Catalog
P. 5
PUNCHING TIPS
PUNCH STEM
STANDARD PUNCH SET-UP LET’S TALK
Proper set-up is key for successful punching Call us if you have any questions!
KEYWAY
HEAD ANGLE
FORM
"F"
STEM
FACE
SMOOTH AND FLAT
PUNCH HEAD KEYWAY
HEAD THICKNESS
BODY
LENGTH
BACK TAPER
CENTER POINT
SIZE
COUPLING NUT
MUST MATCH HEAD ANGLE
ON PUNCH BORE
+ + 010 OVER PUNCH BODY
DIAMETER
DIE
SIZE
O D D D D DIE
OUTSIDE DIAMETER
LAND
HEIGHT
COUNTER BORE
5 + + 005
SET SCREW SPOT