![]() “The push-pull gun also has a thumb switch where you can manually control the wire,” says Perry. This can eliminate the wire from “bird-nesting” inside of the welder, which would create inconsistent welds. What helps with that is a push-pull feature found on welders from Elektron, one of the brands under the Vehicle Services Group which Chief is a part of. So shops have had to retool, and with that, rethink how to repair the vehicle.”Īccording to Perry, aluminum is tricky to weld because you need to maintain a constant temperature to create the best weld. Now, steels have advanced or, in some cases, gone away, and you need squeeze-type resistance and aluminum welders. “When I started, every shop had to have a MIG welder to weld steels. “This the first time I’ve seen it in my entire career where the whole industry is having to retool,” says Richard Perry, global repair product manager for Chief Automotive Technologies. There are other differences too, but the point is that most repairers will have to add to their equipment arsenal to properly and safely repair aluminum vehicles…because the use of aluminum in vehicles is only going to grow in the coming years. It requires its own dedicated set of tools to avoid cross contamination with steel. Its optimal working temperature is 400 to 570 degrees Fahrenheit. ![]() Aluminum is such a different animal than steel. ![]()
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