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HelicopterCAD - Engineering - Technical › CNC G81 canned cycle and M06 tool changes
03-06-2017 09:52 PM  8 months agoPost 1
EastCoastFlyer

rrNovice

Rochester, NY -​United States

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Question, can you have a m06 after a g81 is activated and continue to run the g81 with new coordinates? I'm in the middle of programming a part for my class and there are multiple size holes and i am required to use a g81 for all the holes but i'm not sure if i can have a m06 after the g81 is already activated without canceling it.

I'm using haas machines.

Blade 180cfx, Warp 360, Goblin 700

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04-02-2017 07:24 AM  7 months agoPost 2
TMoore

rrMaster

Cookeville, TN

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No you can't and why would you?

After you call the Tool change you have to invoke the Tool length call with G43HXX and then a Z move on the same line to get Tool length comp active.

Once Tool length is active when you command a G81 cycle it has the first XY location called either before the G81 or on that line with the Z depth and federate. The next holes are called out on separate lines until......you are finished with the Drill cycle. You will need to cancel the Drill Cycle with G80, change tools to the next tool and then invoke the Tool length call with G43HXX ZXX.XXXX

It's not a good idea to try and leave tool lengths active, change tools and then leave a drill cycle active while you are doing it.

TM

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HelicopterCAD - Engineering - Technical › CNC G81 canned cycle and M06 tool changes
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