The requirement to punch oblong/slotted holes beyond the
capacity of an ironworker is a common occurrence and we have a solution!
Ripping punches allow an ironworker to punch holes of any
length with a continued cycle. First, punch a round hole in the same size as
the width of your desired oblong hole. Next, insert the guide of the ripping
punch through the pre-punched hole and begin cycling the machine while feeding
the material into the guide. Continue this process until you achieve the length
of oblong/slot desired.
When ordering please provide the following information:
figure number of punch and die, material thickness and dimensions indicated in
the diagram below.
**SAFETY WARNING** Do not punch with the guide!
Example:
- Machine: Peddinghaus 1100G
- Punch: F-20
- Die: F-59
- ‘A’ Dimension: 13/16”
- ‘L’ Dimension: 1-1/4”
- Material Thickness: 3/8” Mild Steel
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