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TECHNICAL GUIDE

FORMING TOOLS

12) KNOCKOUT

KNOCKOUT

OUTLINE OF FORMING

FORMING UP
FORMING DOWN

Forming process of piercing a hole and keep the slug on the sheet metal by tabs.

When using a hole, remove the slug using a screwdriver.

TOOLING STRUCTURE (NC 1-1/4) FORMING UP / FORMING DOWN

NOTE

  • 1)Please indicate the dimension of A or B, when you order.
    (Indication of the hole diameter(A) is common.)
  • 2)The height(H) is almost same as the material thickness.
    It also may be used in flat that pushed back after the knockout.In this case, please use the flattening tool.
    Knockout→Flattening
  • 3)The number and width of the tab depends on the material,
    material thickness and the hole diameter.
  • 4)We also can produce the "double knockout" that have 2 size of hole diameter.
    Knockout / Double Knockout

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