HAAS Lathe, is there a routine for pecking an ID groove

as9100d · Sep 6, 2020

I have a part I'm working on (I dont setup lathes all that often anymore)

Material is 17-4 SS that I would like to break up the chip inside. Ive broken a tool or two because of chips staying in the hole.

PH Horn 105 series tool, .078" width, .008 radius going .03" deep
50 sfm
.002 IPR

sirAIG · Sep 6, 2020

Could be wrong, but don't believe there's a canned cycle. I'd program it in by hand if it were me

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as9100d · Sep 6, 2020

Looks like haas has one. Just need to read through this and figure it out.

G75 O.D./I.D. Grooving Cycle (Group 00)

beege · Sep 6, 2020

You might try what is used for a drill cycle...G83 or G74? Normally, you'd have X0 Z-(something), but you might try:
G83(74)X.5Z-03Q.005
X.4
X.3
etc.

as9100d · Sep 6, 2020

I had thought about the G74 but really I need to get the boring bar out of the hole to clear the chips.

BSCustoms · Sep 8, 2020

G75 is not going to retract out of the hole just the groove. You'll likely need to fingerbang it to get what you want.

AJ H · Sep 8, 2020

You don't have IPS?

as9100d · Sep 8, 2020

I used g75 with a retract out of the hole pause to high pressure flush chips out and back in for the 2nd groove. Worked fine.

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HAAS Lathe, is there a routine for pecking an ID groove

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sirAIG

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beege

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BSCustoms

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AJ H

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