Punch Die Clearance Sheet Metal

Enter information about your punch in row d.

Punch die clearance sheet metal.

The importance of proper die clearance. Slide thin sheets of material into the included die block then punch an inner and outer hole to create a shim or washer. The history of sheet metal fabricating machines covers nearly three centuries. The punch often passes through the work into a die a scrap slug from the hole is deposited into.

Use it to calculate die clearance required for perforating metals plastics and more. 20 25 long service life of dies. As the punch touches the sheet metal and travels downwards it pushes the material into the die opening. By examining your slugs you can tell if punch to die.

Dimensions for ordering common shapes. For example when using ø12 upper die and ø 12 25 lower die the optimal clearance is 0 25mm. Enter information about the stock you are punching in rows a b and c below. Die clearance at 2 5 of sheet thickness 2 0 x 0 025 0 05 each side die bore 20 2 x 0 05 20 10 mm.

Hydraulic hole punches our strongest punch this tool has 35 tons of force to punch through tough materials such as bus bars railings and i beams. Determine the punch and die clearance by experience. Regardless of material thickness the recommended penetration of the punch into a mate slugfree die is 0 118 3 00 proper clearance. Punch and die clearance.

For more information please read proper die clearance. Presently sheet metal processing together with punch presses plays an important roll in the industry and will continue to do so in the future. Modern sheet metal fabricating machines however made their appearance only twenty to thirty years ago. Punching is a forming process that uses a punch press to force a tool called a punch through the workpiece to create a hole via shearing punching is applicable to a wide variety of materials that come in sheet form including sheet metal paper vulcanized fibre and some forms of plastic sheet.

30 table 1 recommended die clearance table. Die clearance for blanking press tool. Punch tooling systems. The slug is essentially a mirror image of the hole with the same parts in reverse order.

Min service life of dies. The clearance between punch and dies is represented by the total difference which is one of the critical factors in the punching process. Let s make holes faster. The percentage of the die clearance to the material thickness.

Each test result was recorded and a mathematical model was created.