I have just run PC tuner there are no faults.Ken Rychlik wrote: ↑Fri Mar 22, 2024 9:07 am What about trying the pc tuner? Maybe a communication issue. With it being after a tool change, it makes me wonder about tool offsets G43, G49, Does it go to a G55, G56 ect....
Program eratic after a tool change Lathe <resolved. CSS was too high>
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Re: Program eratic after a tool change Lathe
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Re: Program eratic after a tool change Lathe
The fact that it does not return to zero, implies that you are overdriving your motors and loosing steps. What are your programmed feed rates for the grooving tool? Common mistake is to program a valid range in feed per minute, but have the feed set for feed per rev. That will almost always cause missed steps.
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Re: Program eratic after a tool change Lathe
this doesn't sound like a software version issue. so don't dig yourself a hole by changing around from one version to another.
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Re: Program eratic after a tool change Lathe
i second this!tblough wrote: ↑Fri Mar 22, 2024 1:55 pm The fact that it does not return to zero, implies that you are overdriving your motors and loosing steps. What are your programmed feed rates for the grooving tool? Common mistake is to program a valid range in feed per minute, but have the feed set for feed per rev. That will almost always cause missed steps.
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Re: Program eratic after a tool change Lathe
I have slowed the rapids down to 40% than they were set to. I have always had them set to 40% more without any steps being lost.
The motors are 9NM so are not underpowered. They are hybrid motors and have encoders on them so they shouldn't be loosing any steps.
Two weeks ago i made 20 parts 90mm diameter without any issues.
The programs that i made in Intercon 2 weeks ago still work without any mistakes. It is just new programs made in intercon that have the issue on the second tool change.
Why would one older program work and a new program not work both made with the same version of cnc12 ?
Feeds in the software are feed per rev and the same in intercon.
It can't be a hardware issue otherwise the old program would be doing the same as the new program.
The motors are 9NM so are not underpowered. They are hybrid motors and have encoders on them so they shouldn't be loosing any steps.
Two weeks ago i made 20 parts 90mm diameter without any issues.
The programs that i made in Intercon 2 weeks ago still work without any mistakes. It is just new programs made in intercon that have the issue on the second tool change.
Why would one older program work and a new program not work both made with the same version of cnc12 ?
Feeds in the software are feed per rev and the same in intercon.
It can't be a hardware issue otherwise the old program would be doing the same as the new program.
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Re: Program eratic after a tool change Lathe
when you say older program do you mean G code or Intercon?
please post the working program and a non working program
please post the working program and a non working program
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Re: Program eratic after a tool change Lathe
For the grooving tool i was feeding the tool at 0.03MM per rev 1000CSScnckeith wrote: ↑Fri Mar 22, 2024 2:34 pmi second this!tblough wrote: ↑Fri Mar 22, 2024 1:55 pm The fact that it does not return to zero, implies that you are overdriving your motors and loosing steps. What are your programmed feed rates for the grooving tool? Common mistake is to program a valid range in feed per minute, but have the feed set for feed per rev. That will almost always cause missed steps.
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Re: Program eratic after a tool change Lathe
i loaded your report and intercon test file on a test bed machine (without a spindle encoder) and i changed the intercon program to F/M and it seems to run fine, (not like the video short posted)
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Re: Program eratic after a tool change Lathe
I will try running the program again.
I will duplicate the old intercon program again and see if there are any changes to the g code.
Is the program just following using the g code or are there any other parameters that will affect the operation?
When you ran the program did it have a turret toolchanger?