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  1. #1
    Join Date
    Feb 2013
    Posts
    24

    Default How stupid can I actually be?

    Last Fruday my Hypertherm plasma cutter showed up. Did a quick test drive on Saturday but had also bought an additional Hypertherm filter ($$$) and wanted to mount it before getting too carried away. Also only used in on 110 volts. But cut darn fine even on 110.

    So on the weekend I mount the secondary filter... hook it up to 220 and figure I'll give it a try. So it cuts a couple inches and the arc just stops? Pull the trigger again...cuts a couple inches and stops??? Look over at the front panel and air is good...no lights on that shouldn't be...no flashing lights. So I'm thinking is this additional filter screwing something up? Did I accedently knock a wire off when I had the cover off? Out with the manual (you know its serious if a guy is reading instructions) and looking at the troubleshooting section. Nothing there... a real head scratched.

    Then it hit me. Would probably work way better if I actually clamped the ground cable into the metal I was cutting! Back out to the shop...clamped on the ground and way she goes.

    The only thing more amazing than it would cut at all minus the clamp is me admitting I forgot to put it on.

    Going to make a sign for the cart that reads "Put Ground Clamp On Workpiece".

  2. #2
    Join Date
    Nov 2012
    Location
    Northern Arizona
    Posts
    447

    Default

    Been there, done that! I couldn't figure out why my cutmaster kept cutting out one day. I could cut about 5" of 3/16" plate and then it quit. It was a headscratcher for sure. Glad you figured it out and didn't warranty the machine!
    MillerMatic 251
    CST 280 w/tig torch
    HF-251-D1
    Cutmaster 42
    Victor Journeyman OA

    A rockcrawler, er money pit, in progress...

  3. #3
    Join Date
    Aug 2010
    Location
    Los Angeles
    Posts
    1,158

    Default

    Quote Originally Posted by elvis View Post
    Been there, done that! I couldn't figure out why my cutmaster kept cutting out one day. I could cut about 5" of 3/16" plate and then it quit. It was a headscratcher for sure. Glad you figured it out and didn't warranty the machine!
    It is really embarrassing when you call Hypertherm tech and they ask you about the ground.
    Nothing welded, Nothing gained

    Miller Dynasty700DX
    3 ea. Miller Dynasty350DX
    Miller Dynasty200DX
    ThermalArc 400 GTSW
    MillerMatic350P
    MillerMatic200 with spoolgun
    MKCobraMig260
    Lincoln SP-170T
    Linde UCC305 (sold 2011)
    Hypertherm 1250
    Hypertherm 800
    PlasmaCam CNC cutter
    Fadal Toolroom CNC Mill
    SiberHegner CNC Mill
    2 ea. Bridgeport
    LeBlond 15" Lathe
    Haberle 18" Cold Saw
    Doringer 14" Cold Saw
    6 foot x 12 foot Mojave granite

  4. #4
    Join Date
    Feb 2012
    Posts
    196

    Default

    That's the story of my life welding or cutting sometimes I think my weld is going to look pretty good but when I pull the helmet up to look at it I'm not even on the crack I was trying to weld

  5. #5
    Join Date
    Apr 2010
    Posts
    253

    Default

    Sound a bit like the time I stomped all around the house grousing about not being able to find my glasses. Lucky for me someone pointed out that I was wearing them.

  6. #6
    Join Date
    Jan 2011
    Location
    Columbia, KY
    Posts
    9

    Default

    Ground clamp attached to work makes MIG weld, no clamp, no spark..., Turning shielding gas on helps with weld appearance, Making sure switch is in the MIG gun position rather than the spool gun position gives a much better arc and for longer, also leads to much less cussing and fussing.

    Just to make sure people weren't joshing me, I tried all of these....a couple of them multiple times to really make sure...

  7. #7
    Join Date
    Feb 2013
    Posts
    24

    Default

    Well it sounds like not too lonely a club at least. I'm also famous for marking a cut on the wrong side of the inch mark. So 5-1/4 becomes 4-3/4. Hey its 5 + a quarter...just the wrong way from the 5.

    But the best is I know a guy that was building a shop. It was going to be 40x60. Doing the foundation he didn't gave a 100 foot tape so borrowed one from the guy up the road. Came time to erect the walls and WTF...nothing is fitting. Ends up couple years before the hook end of the tape broke off so the guys cut off a foot and re-rivited the end on. He forgot to tell him when he borrowed it so the foundation ended up 39x59. Piss off was an understatement.

  8. #8
    Join Date
    Jul 2010
    Location
    Four Flags city
    Posts
    289

    Default

    This makes me remember to day I was welding on my work bench(before I had a welding table) with the part in the vice.It welded but seemed erratic.....hmmm.Got the part done and looked on the bench to see the ground clamp laying on a wrench,wrench touching a screw driver,screw driver laying against the vice......now I see the light DOH!

  9. #9
    Join Date
    Apr 2010
    Posts
    253

    Default

    I'll have to give my kid credit. He was welding along in a community college class and noticed that his pant leg was on fire. Guess there was no setting on those fancy Miller welders that would prevent that.

  10. #10
    Join Date
    Aug 2004
    Location
    Milan Michigan
    Posts
    1,634

    Default

    Yup, Happens to me too, The fact that it does cut some makes you assume that the ground is hooked up.

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