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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Comet Mongrel
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<blockquote data-quote="Cyborg" data-source="post: 113419" data-attributes="member: 3426"><p>I use lanthanated , but still wear a mask when grinding... on an old repurposed sewing machine motor with a diamond wheel attached. It’s set up and dedicated strictly for tungsten. The wear on the wheel reflects my somewhat spastic arc length and filler feed.</p><p>I try and move the arc back slightly and then dip the rod into the puddle to melt it, all the while trying to keep the semi molten end of the rod etc within the argon shielding. I find it slightly bizarre how little it takes to contaminate the weld. Maybe my decision to learn how to TIG on AC (aluminum) first was the wrong move. So much to deal with and the aluminum tends to be there one second and gone the next. Any oxide or crud remaining after prepping the weld will find its way into the puddle and then it starts to look like a dog turd. Even something minor on the backside will bob to the surface... seems that’s an unwritten rule. It was just this past April that I switched it over to DC to weld the flange onto the intake manifold (stainless steel). I couldn’t believe the difference in the arc. Like opium compared to crystal meth. When I ran a test pass, I kept checking the amperage to see if something was amiss. The oil tank literally had about 6 ft of welding and this is what it looks like. If I could master the filler feed, then it look better. I suppose it’s a bit of a vanity thing, because in reality, penetration is fine and there’s no hot cracking. At the end of the day it holds oil. The top of the welding table is an old range hood with two 2 speed fans. I bought a better helmet along with a cheater lens. My eyesight is actually pretty good considering, but the lens makes a world of difference.</p><p>[ATTACH=full]30632[/ATTACH][ATTACH=full]30633[/ATTACH]</p></blockquote><p></p>
[QUOTE="Cyborg, post: 113419, member: 3426"] I use lanthanated , but still wear a mask when grinding... on an old repurposed sewing machine motor with a diamond wheel attached. It’s set up and dedicated strictly for tungsten. The wear on the wheel reflects my somewhat spastic arc length and filler feed. I try and move the arc back slightly and then dip the rod into the puddle to melt it, all the while trying to keep the semi molten end of the rod etc within the argon shielding. I find it slightly bizarre how little it takes to contaminate the weld. Maybe my decision to learn how to TIG on AC (aluminum) first was the wrong move. So much to deal with and the aluminum tends to be there one second and gone the next. Any oxide or crud remaining after prepping the weld will find its way into the puddle and then it starts to look like a dog turd. Even something minor on the backside will bob to the surface... seems that’s an unwritten rule. It was just this past April that I switched it over to DC to weld the flange onto the intake manifold (stainless steel). I couldn’t believe the difference in the arc. Like opium compared to crystal meth. When I ran a test pass, I kept checking the amperage to see if something was amiss. The oil tank literally had about 6 ft of welding and this is what it looks like. If I could master the filler feed, then it look better. I suppose it’s a bit of a vanity thing, because in reality, penetration is fine and there’s no hot cracking. At the end of the day it holds oil. The top of the welding table is an old range hood with two 2 speed fans. I bought a better helmet along with a cheater lens. My eyesight is actually pretty good considering, but the lens makes a world of difference. [ATTACH type="full" alt="BD127A89-4452-4BB5-80E4-1304BAB02135.jpeg"]30632[/ATTACH][ATTACH type="full" alt="F3E60AA7-EEF4-40CC-8A6D-24A4CD182EDF.jpeg"]30633[/ATTACH] [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Comet Mongrel
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