Punching Steel Sheet

7 strategies for punching success 1.

Punching steel sheet.

Manage the slugs the suction created during the deformation of the slug during piercing causes the slug to stick. Approved sheet metal has punch forming capabilities in house so you can get sheet metal parts fast. The thickness which will be piecing through by the punching mold. Using the above tonnage it would take only about 6 ton to do a 1 4 hole in 025 ms.

The sheet thickness for punching and laser cutting may be up to a 8 mm. The punch moves downward into the die causing the sheet metal beneath the tool head to become detached from the surrounding material. Easy to remember because that s the capacity of the little 5 roper whitney hand punches. Multiply by 5 for the 1 1 4 hole it looks like about 3 tons.

If stainless steel is to be. It is the most cost effective process of making holes in strip or sheet metal for average to high fabrication. Punching sheet metal parts. This tends to equalize the sheet stretching of both halves.

It is able to create multiple shaped holes. The physical properties of the plate determined by the material of the sheet and can be found in the. Alternatively if a sheet has symmetrical hole patterns you may be able to punch half the sheet flip it over then punch the other half. Sheet metal fabrication basics.

Punches and dies are usually fabricated from conventional tool steel or carbides it creates a burnished. In addition to punching other sheet metal fabrication capabilities that approved sheet metal has extensive experience in include. The process of punching sheet metal goes as follows. A pure punching machine with an automatic conveyor system can process sheet sizes of 1250 x 2500 mm.

The rule of thumb i use is 1 2 tons for 1 4 in 060 16ga mild steel. The maximum sheet density is up to 4 mm. Communicate forming variables walk into a fab shop and you ll likely see technicians working with cad. As an example for the capacity of a combined laser punching machine the same sheet dimensions apply.

The characteristics of punching are. Once it contacts the sheet metal surface it senses the resistance and drives the punch downward with enough force to penetrate the material. Our punch operators have 15 years of experience in punch forming prototype to low volume production quantities.