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Re picking up G32

SharkyJ

Plastic
Joined
Apr 19, 2022
Hi guys,

I'm doing a thread using a G32 macro program that i have written. However the macro doesn't have the ability to offset yet. I need to do a scroll that is 5.3mm wide using a 5mm button tool. My plan is to rough with the macro and re run a seperate g32 command as a finish cut that is offset to achieve this width. However i will be cancelling modal g32 in the middle. Will the machine pick up the same thread if i add 0.3mm (giving me the 0.3 offset i need)to the z start value on my second cycle from the previous g32 start point. In simple terms, will a machine always use the same encoder values for a g32?

Im using a doosan 700l with a fanuc iseries controller.

I hope this makes sense.

Any help appreciated
 

sinha

Stainless
Joined
Sep 25, 2010
Location
india
To follow the same threading helix, the start Z must remain unchanged in subsequent calls of any threading cycle, including G32.
 

SharkyJ

Plastic
Joined
Apr 19, 2022
if i wanted to offset that thread bu 0.3mm (to make it o.3 wider) will that pick up the same thread but 0.3 diffrent? Ie it wont just pick a completely new helix?
 

DouglasJRizzo

Titanium
Joined
Jun 7, 2011
Location
Ramsey, NJ.
The machine will pick up the thread lead, provided the part hasn't been shifted in the jaws and the tool hasn't been moved in the turret.
I had a job where I had to thread a scroll on the face of a part, and used G32 to do it. The scroll wasn't deep enough, so I gave it a little more in the tool offset and re-ran the G32. Came out fine.
 








 
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