Best Way To Punch Holes In Sheet Metal

This tends to equalize the sheet stretching of both halves.

Best way to punch holes in sheet metal.

Cutting with a hole cutter. Your metal piece to be punched. For clean precise holes in thin sheet metal make a wood sandwich. Once it contacts the sheet metal surface it senses the resistance and drives the punch downward with enough force to penetrate the material.

Modern machines and tooling have turned the punch press into the swiss army knife of the fab shop. Use a ruler and sharpie marker to measure and mark where the hole will go. Eastwood deep metal hand punch. The wooden bread layers of the sandwich keep the sheet metal flat and prevent the drill bit from wandering as it bores through the sheet metal.

An angle grinder fitted with an abrasive metal cutting disc works well to cut all kinds of metal including bolts angle iron rebar and even sheet metal. Slide thin sheets of material into the included die block then punch an inner and outer hole to create a shim or washer. But if you haven t then again we re telling you. Metal centerpunch scribe sturdy carpentry nail or other sharp pointed object that can make a small dent in your metal sheet.

Get a carbide or tungsten carbide cutter. Place the die over the draw stud before inserting the stud through the pilot hole. Now that you re set let s get going with the process mark your hole center at first. It cuts large panels.

The punch press is one of the most mature technologies in metal fabrication and yet it s still one of the most misunderstood. Using the hole saw cutter on a drilling machine is one of the best ways of doing this job. 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. We ll start by marking precisely where the punch hole will be in the metal.

Instead we recommend using a diamond blade that s rated to cut ferrous metal. It punches holes just a few here and there or in a dense perforation. 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. To setup the punch first drill a pilot hole into a piece of sheet metal with a step drill bit.

The punch is then. But the discs wear down quickly cut slowly and shrink in diameter as you use them. How to punch a hole in metal. Simply sandwich the sheet metal between two pieces of wood and clamp everything down on a table or workbench.

Measure and mark your metal. Secure the steel sheet with clamps.