Hello all I have a challenge, I bought a new shaft for the lawnmower and the end that fits in a bearing was to big by .009 thousands so i put it in the lathe and used a file to bring it down it was going slow. I left to get a coffee and my son wanted to help he cut it with the lathe now it is .003 s...

It takes a lot of seat time to get good. Another thing to try is what type of tungsten are you using? They say green and ball it at the end (I don't care for that but we all like different things). Try red or blue tungsten and put a tip on it like you would on steel nice point and see if that is bet...