Spot Welding Automotive Sheet Metal

By cutting down the middle of the overlap with a west cut 4 inch cutoff wheel and peeling back the remaining strip of metal.

Spot welding automotive sheet metal. It s a good idea to skip around as you go so you don. These left and right trunk floor extensions part no. Mig welding is the preferred method for most automotive bodywork and since sheet metal is the thinnest of metals a large expensive mig unit is usually not required. Another material that is suited to spot welding is low carbon steel.

However high carbon steel does not do well with spot welding. This chapter concentrates on some of the fundamentals of welding sheetmetal sections and on a few ploys that that may make this type of welding easier for you to perform while producing superior results. Metal work welding sheet metal added may 2007. Resistance spot welding is the joining of overlapping pieces of metal by applying pressure and electrical current.

The majority of the sheet metal welding i ve done was with a 90 amp 110 volt welder. Don t forget to mark. Below we show you the process for making a spot weld with your mig welder. You can now place a tack weld between the clecos but be very careful to make sure the panels are perfectly even.

This tooluxe professional spot welder is an easy to operate welding machine and that makes it ideal for the professional and the amateur alike. 840 2570 l 840 2570 r 129 99 each from auto metal direct will replace the rotted out sections on our e body project. Start by marking out even spacing of where you want your spot or plug welds on the metal. I like to try and center the weld in the flange or weld seam.

These joints created by resistance spot welding form a button or fused nugget resistance spot welds are found typically on flanges staggered in a single row of consecutive welds. You can than take a drill or a metal punch to make holes in the top layer of the metal. The tooluxe portable machine is a versatile welding machine that can be used to weld a variety of different sheet metals together. In fact spot welding has been the preferred method of joining steel sheets in the automotive industry for over 100 years now.