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  1. #1
    Join Date
    Mar 2008
    Location
    marsden,sk
    Posts
    101

    Default arc blow

    has anyone had trouble with arc blow with their tb302?? i strictly run dc reverse polarity. i havent yet and have never heard of anyone with a portable ever having trouble. just curious.
    07 f350 duallie w/deck
    07 tb302d
    2011 big blue pro 300 cat
    victor torch
    matthey beveler
    assorted hand tools

  2. #2
    Join Date
    May 2007
    Location
    Grande Prairie, Alberta Canada
    Posts
    729

    Default

    Forgive me for overstating the obvious, but Arc Blow isn't specific to any welding machine engine driven or otherwise.....It is usually a result of attempting to weld on something that is affected by magnetism.

    The most common methods of reducing or minimizing Arc Blow is to switch to AC (if available) or to manipulate your ground clamp to counteract the magnetic field.

    Sorry if I misunderstood your post.
    Later,
    Jason

    Professional Spark Generator by Trade.

  3. #3
    Join Date
    Mar 2008
    Location
    marsden,sk
    Posts
    101

    Default

    no you didnt misunderstand me. i was just curious because iv come across it when i was working in the shop but not with my rig. i understabd the magnetism part of it the the AC solution. i was judt curious is all
    07 f350 duallie w/deck
    07 tb302d
    2011 big blue pro 300 cat
    victor torch
    matthey beveler
    assorted hand tools

  4. #4

    Default

    Quote Originally Posted by blackbeard's welding View Post
    no you didnt misunderstand me. i was just curious because iv come across it when i was working in the shop but not with my rig. i understabd the magnetism part of it the the AC solution. i was judt curious is all
    I think your question was understood. But the machine will not influence arc blow. there are several variable, the machine is not one of them

  5. #5
    Join Date
    Jan 2007
    Location
    Alberta Red Deer
    Posts
    373

    Default

    ah a old school trick if ur using a 6010. wet it and no more arc blow, some times they dry out too much and flux does not want to burn. (dont tell any one most wont agree with this but it does work and still produces a good bead.(x-ray and gamma ray passed). also it can be do to magnetism with the material and coiled cables but if that fails to be the problem try the wetting of the rod just stick it in a puddle or a buck of water but dont soak them.
    trail blazer 302
    hypertherm plasma
    millermatic 251
    high feq. arc starter
    suit case (extreme 12vs)
    o/a torches
    way to many other tools to list

  6. #6
    Join Date
    Mar 2008
    Location
    marsden,sk
    Posts
    101

    Default

    that happened to last summmer, wasnt sure if it was arc blow or dry 6010, got mad and opened new sleeve, problem solved!
    07 f350 duallie w/deck
    07 tb302d
    2011 big blue pro 300 cat
    victor torch
    matthey beveler
    assorted hand tools

  7. #7
    Join Date
    Oct 2004
    Location
    Edmonton, Alberta
    Posts
    7,621

    Default

    Quote Originally Posted by blackbeard's welding View Post
    has anyone had trouble with arc blow with their tb302?? i strictly run dc reverse polarity. i havent yet and have never heard of anyone with a portable ever having trouble. just curious.
    It's also caused by: excessive coiled cables around an iron (steel) core, eg, a cable wrap, and can even be caused by a weak diode, or SCR in the machine. Not particular to any machine, static or engine driven welder as well as a magnetics in the plate or pipe you are welding.

  8. #8
    Join Date
    Sep 2012
    Location
    seaford de
    Posts
    406

    Default

    My sa 250 has terrible arc blow. You only notice it on flat 7018... i always wondered what might have caused it. Cruizers comment pretty much sums it up. As for a damp rod... i have a portable rod oven made by lincoln that holds 10# of rods. Its usually the first thing out of the tool box on a job that requires high quality welds.

  9. #9
    Join Date
    Sep 2005
    Location
    16919 Pole Rd. Brethren, MI 49619
    Posts
    4,376

    Default

    I use 6011 these days and a while back I came across 10# of 10 I must have bought somewhere along the line. They had been laying on same side for so long they burned funny. They were in a plastic Hobart box but they hadnt moved. It appeared that maybe some of the heavier elements in the coating had "sagged" around.

  10. #10
    Join Date
    Sep 2012
    Location
    seaford de
    Posts
    406

    Default

    Some 6010s are really bad for going bad.. Like the lincoln 5p, they don't last very long at all. I won't even buy them anymore.. I buy the 5p+

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