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ano po ang technic nyo or procedure sa pag gawa ng mga tubular fence?

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  • ano po ang technic nyo or procedure sa pag gawa ng mga tubular fence?

    ano po teknik sa pag wewelding ng mga tubular? diko po kasi alam mga terms pasensya na, balak ko pong mag DIY lang sa gagamitin naming fence at yung mga tubular ang balak kong gawin.. salamat po

  • #2
    Problem with tubulars are they easily rust and surface are thin so for those un-experience in welding will have a hard time welding the joints without creating burnt holes. If you will be using a stick welder, you can proceed by simply doing spot welding on the joints perhaps at 1" apart and just continue "till the joints are fully welded, then wire brush and immediately apply some red oxide or metal primer metal epoxy to prevent rusting on the welded parts.

    Make sure you select the low ampere setting of 70 to 80 amps and use a 3/32" 6013 welding rods.


    Hope this helps !
    Last edited by rosy; 11-07-2016, 08:48 PM.
    CIGWELD Weldskill 250 amp Mig Welder
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    • bakman
      bakman commented
      Editing a comment
      Sir That is why I like to have a TIG welder for this JOB...I did know some furniture makers here in Cebu are using TIG for welding Tubes....

  • #3
    For thin metal sheets, you can also try DCEN (electrode negative).

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    • #4
      DCEN (Electrode Negative )? Do you mean reverse technique? Is he using an Inverter welder?

      Sent from my 5015E using Tapatalk


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      • #5
        Bro,

        It's very easy to weld thin gauge material as thinner as like drum (200L) your can full weld this with ease. what you have to do is try to use 1.6 mm 6013 rod. Then if your machine is set for example 20 - 200 amps or 30 - 200 amp set to the lowest value. If the piece still unweldable try to reverse the process like making the + to be your ground. If the rod size is 2.0 mm you can do this by a series of tacking one second at a time.

        This is a sample of full weld from 0.7 mm galvanize plain sheet using 1.6 mm 6013 at 20 amps.





        The red rod is 2.0 mm while the gray is 1.6 mm





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        • #6
          sir Crazy cut ,

          yung technique ng pagrereverse ng polarity, is it applicable po ba sa mga lumang arc welder na hindi sya inverter?

          medyo mahirap lang minsan pag sobrang baba ng Amps rating e medyo di siya kaagad makapag spark or nag iistick yung rod sa workpiece.

          kung pwede yung ganitong techinique try ko sa mga sheet metal , btw pwede ba sa stainless sheet metal to yung reverse polarity?

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          • #7
            ^wala pong polarity ang AC welding machines......

            for sheet metal, DCS (Electrode negative) ang recommended kung DC welding machines. although nakakalimutan ko rin ito kapag may wineweld ako na sheet metal or thin gage steels...

            sa aking experience, parang mas maganda gamitin ang 6012 kaysa 6013....mas mahusay pa weld deposits at hindi kagaya ng 6013 na mabilis matrap ang slag kung hindi very steep ang rod angle.....syempre mas maganda ang welds sa 6013 dahil ito ay convex kumpara sa ibang rods na concave ang welds.

            kapag nabubutas ko ang manipis na bakal e 6011 ang pinangtatakip ko dahil ito ay fast freeze kumpara sa 6013.

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            • #8
              @crazycut

              Yung po bang reverse polarity yu min yung positive maging ground at yung ground or negative gagawing positive arc ...please correct moko if mali ako please..using DC WELDING MACHINE 200 AMPS...

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