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  • Rollcage Welding

    Hi All,

    Just joined the forum today(like it already!!)..quick bio: I am an Electrical Engineer for a semi -conductor company and also have been in the construction work for about 10 years. Been welding for about 2. Just recently started a small businees doing custom metal/woodwork for residential clients.
    Well I just purchased a 210 from SEMA 2 weeks ago (waiting on delivery)and excited about getting it up an running considering I have been welding with a Lincoln 135 (nice little welder but time to get serious). I road race a 87' mustang with 6-point rollcage. Does anyone have tips for rollcage welding? I will be adding nothced braces (1-3/4", .120 wall) here and there and my main concern is getting a good weld so they hold up in the event of a boo boo . Unfortunatley the mechanic who initally did the rollcage in no longer available... so now it's time I take over. Any help is appreciated.

    Thanks,
    Chris
    Chris
    87' Mustang GT - Blown 306 Road Racer
    Millermatic 210
    Spectrum 375
    [email protected]
    www.ckvalentidesigns.com

  • #2
    Chris:
    Welcome aboard, first return question is the tubing mild steel or cromoly? Normally cromoly is tig welded although I've welded it with my mm210 using e80s? can't remember the last digit. The trick is to set up a jig to hold a piece of tubing and make the notch to fit at the given angle and produce several practice welds on scrap, it takes a bit of practice on thin walled tubing. The fitup is the most important thing make it snug and tack it in 2-3 places and check the angle and then do the other end check angle then weld around.

    Good luck,

    Comment


    • #3
      Originally posted by ChrisV
      Just recently started a small businees doing custom metal/woodwork for residential clients.
      Hi Chris.

      I would like to talk to you offline if you would like about your business. My email is [email protected].

      Please drop me an email - I have a couple questrions of interest for you.

      P.S. My very best friend lives in Chandler...

      Thanks,

      - Brad
      Brad

      Millermatic 210
      Lincoln AC-250
      Custom Harley FXR Pro-Street

      Comment


      • #4
        if the tubes are cromoly check the rule book NHRA, IHRA and the SCCA all require it to be tig welded and it must be inspected prior to painting or finishing. Grinding is unaceptable too.
        Lincoln SP170T
        ESAB 875 Plasma
        Smith oxy set
        Dynasty 200DX
        pulsed mig is next...

        Long Island Cummins Ram Owners Club

        Comment


        • #5
          RollCage

          Df/Pj
          I will be welding mild steel. Thanks for the feedback!

          Chris
          Chris
          87' Mustang GT - Blown 306 Road Racer
          Millermatic 210
          Spectrum 375
          [email protected]
          www.ckvalentidesigns.com

          Comment


          • #6
            eR70-S6 is the wire I choose for mild steel and I use c25 gas works very nice and reduces the spatter compared with CO2.

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            • #7
              pj is right.

              Stick to the basics on this one. .030 wire and 75/25 gas. You can't walk 10 feet in Hendrick's chassis shop without bumping your knees on this same set up.

              Thanks for stopping by our booth at the SEMA show. That was a long week.

              Andy

              Comment


              • #8
                Rollcage

                Andy,
                It's funny you mentioned about Hendricks, when I was at the booth, the guys were talking about how the NSCAR shops have switched over to the 210 unit (prior units were 185 I think...?). Knowing this fact influenced my purcahse. It's nice to know that I will be using the same equipment that is used to weld rollcages for 200MPH racecars.

                Chris
                Chris
                87' Mustang GT - Blown 306 Road Racer
                Millermatic 210
                Spectrum 375
                [email protected]
                www.ckvalentidesigns.com

                Comment

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