parting

I have a 4 inch diameter disc, 3/8 inch thick aluminum, with a particular hole pattern. I need that same hole pattern in a 3 inch disc. I have already cut one down from the side, 5 thousandths at a time, on my Jet lathe. It took close to an hour and made a pile of shavings. Is there a way to...

I've got an Atlas Craftsman 12x36. Whenever cutting with my carbide insert parting tool it seems to create a lot of chatter if I don't go incredibly slowly. I took care to ensure that the blade is at 90° to within ~0.002", but the workpiece wants to vibrate a fair bit while cutting. Today I was...

Have always wanted to try a parting blade with carbide insert. I have a LMS 3536 8.5x16 lathe that has enough juice to handle it. The commercial versions are out of this hobbyist's budget, so went for a Shars combo pkg - http://bit.ly/2pmQtIi - AXA holder, blade & inserts. Gave it a run today...

Do you think my 1440 E LB could make good use of this type of parting/cutoff blade? i.e. is the machine rigid enough etc. I work mostly with steel. I like the idea of the insert being wider than the blade for deep cutting. Assuming thicker blade = more rigid doing deep cutting; what do you...