G96 vs G97 Part Off

ljeremy578 · Jun 13, 2019

So I have heard it both ways and I am curious what does everyone use when parting off. G96 vs G97?

Guest · Jun 13, 2019

I never use constant surface feed on cut-off, but I never barfeed anything bigger than 1.375". In fact I usually do the opposite and slow the rpms the last .100 depth so the part drops in the part catcher and doesn't go flying.

Mtndew · Jun 13, 2019

If you're parting off anything that has some size to it, you should be using constant surface speed.
On small 1" dia parts it wouldn't matter too much, but larger dia parts it makes a world of diff.
Do you turn parts in only G97 using the same RPM on a 4" dia part that you do on a 1" dia part?
Not if you're cutting steels.

fmari --MariTool- · Jun 13, 2019

Before this thread continues any more please be sure to set your max rpm during constant surface speed ( most of the time G50) to a safe any acceptable level. Nothing scarier than a 1-1/4 hex bar x 12 feet long whipping at 5000 rpms.

For 1.25 dia and smaller I just use normal G97. But larger stuff I use G96. But I make sure G50 is called up in several locations just to be safe.

NAST555 · Jun 13, 2019

I generally G96 and the same as Dualkit. Slow it down on the last bit so that when the part drops off it isn't going at a crazy RPM.

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G96 vs G97 Part Off

ljeremy578

Plastic

Guest

Guest

Mtndew

Diamond

fmari --MariTool-

Titanium

NAST555

Stainless

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