IPC Subgroup
B21D 28/02 Punching blanks or articles with or without obtaining scrap; Notching
Introduced: September 1968
Last revised: January 2006
Full Title
Shaping by press-cutting; Perforating > Punching blanks or articles with or without obtaining scrap; Notching
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- Subclass:
- WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
Scope Notes
Limiting references: Cutting nails or pins from strips or sheet material
Related Keywords
STAMPING -out metal sheets
9 direct subcodes
Child Classifications
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- B21D 28/04 Centering the work; Positioning the tools
- B21D 28/06 Making more than one part out of the same blank; Scrapless working
- B21D 28/1 Incompletely punching in such a manner that the parts are still coherent with the work
- B21D 28/12 Punching using rotatable carriers
- B21D 28/14 Dies
- B21D 28/16 Shoulder or burr prevention
- B21D 28/18 Yieldable, e.g. rubber, punching pads
- B21D 28/2 Applications of drives
- B21D 28/22 Notching the peripheries of circular blanks, e.g. laminations for dynamo-electric machines