How To Sandblast Sheet Metal

Sandblasting pots for sale.

How to sandblast sheet metal.

Media blasting sheet metal can easily lead to warped and dented metal. The same principles would apply if you were stripping rust and paint off an old car or preparing a metal railing for paint. When i experimented sandblasting etched designs into plexi glass plastic acrylic glass with aluminum oxide abrasive i noticed it actually start to melt the plastic. Florida roofing and sheet metal expo annual convention june 22 25 2011 in orlando.

Make sure to focus your sandblasting on areas of the sheet metal that needs to be cleaned or the one that are damaged by rust. If there are tight spaces where rust ridges or paint remains use a sandpaper sheet manually to reach out into these areas. The disk is smoother and will not eat into the metal surface allowing you to give the metal a good sanding until all the material is gone and the surface is nice and clean. In order to prevent stretching of the metal you have to ignore other areas.

Sheet metal is sandblasted in order to remove any rust and sharp edges or even a method to enhance adhesion of coatings and adhesives. Sandblasting is an efficient method for removing old paint and rust from a metal object to prepare it for painting. Sandblasting is performed on virtually any metal object from patio furniture to. Sheet metal warping because of heat peening of sandblast abrasive in my honest opinion sheet metal may warp when sandblasting due to a little bit of both reasons.

Mark simpson demonstrates the proper technique to use on sheet metal parts to ensure warp free blasting.