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4 angle grinder.

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Whaldo's right

07-30-2007 13:12:17

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4" angle grinder.

Run a pass up.

Grind it clean and smooth.

Run a pass up.

If you have the heat right it will almost surely be leaving drippy jimmy durante' nose looking lumps.

grind those away. Make sure there is no voids and do it again.

If those drips are too prevelent you could drop the amps just a bit.

The more passes you make the warmer the weld area will become and you may find that by the 3rd or even the second pass, you need to drop the amps a bit.

If you can't get it to completely fuse from side to side (after grinding away to the root), raise the amps and move a little slower. You may want to slightly move side to side to keep the puddle working into both sides.

BUT!!! a real welder will stab it in there and carry a full puddle right up the middle to the top with little rod action!!!

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135 Fan

07-31-2007 00:00:12

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Re: 4 angle grinder. in reply to Whaldo's right here., 07-30-2007 13:12:17

Do some 3/16 inch (rod diameter) uphand 7018 on 100% X-ray welds for pipeline pig access tees and then we'll talk. Even a very slight weave makes vertical up easier. Straight stringer beads can be done but everything has to work perfectly including the rods. Any bit of finger nailing of the flux can screw up the weld. A slight weave helps to alleviate this. A real welder wouldn't have had to ask. You shouldn't have to play with the amps too much as the more passes you put on and the wider you weave, it gets way easier to do. It's almost like putting one horizontal weld on top of the other. Just to confuse things even more on some really really critical jobs the procedure calls for all stringer beads because they have a finer grain structure and apparently slightly more strength. I prefer weaving. It's easier. Just the opinion of a "real welder". Dave

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