How To Buff Sheet Metal

Start with the coarsest applicable compound.

How to buff sheet metal. Hold your workpiece firmly and move it across the edge of the wheel in a downward angle. Clamp the sheet metal against your desk to hold it in place while you work. But a lot of problems are found in aluminum welding process such as porosity slag inclusion incomplete fusion on weld surface the main reason is aluminum plate surface is not clean so the cleaning solution is very essential. Clr a widely available household cleaning product can also be used to clean galvanized metal.

Fill a bowl with hot water and 1 tsp. Dip the brush into the soapy water and scrub down the galvanized metal with it to. Dip the brush into the mixture and. See our polishing compound and jewelers rouge chart.

An 80 grit sanding disk is quite coarse and easily removes all the top layers of the paint rust or scratches. Instead let the wheel and compound. Apply polishing compound sparingly to the face of a revolving buffing wheel. Choose the most applicable buffing compound depending on the work surface material to be polished.

These compounds are very fine abrasives usually combined with wax in a bar form. Apply masking tape to both sides of the sheet metal directly over the line you want to make. Use another lint free cloth to buff the galvanized steel to a high sheen. Tape the sheet metal and secure it in place.

Keep the workpiece in constant motion and contact the buffing wheel below its centre. This article summarizes the steps in the cleaning process of aluminum sheet metal. Tripoli brown usually used on brass. When sanding metal with an orbital machine always start with a coarse sanding disk.

Apply a light coat of paste wax or metal polish to the rinsed and dried surface to help protect the metallic finish. From the coarsest to the finest they are. The final polish on metal is achieved by buffing it with a rotating wheel that has been loaded with a buffing compound. However always remember to be careful and sand slowly to avoid eating into the surface and weakening the material.

Here are a few tips to help you achieve stunning results. Don t apply too much pressure. Emery gray aggressive usually used on steel.