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Running G-Code slows machine
« on: September 18, 2020, 06:12:09 PM »
CNCRounter parts 4896 with ESS controller.
Just switched to Mach4. Motors run at normal speed in jog mode.
As soon as it tries to run G-Code like test file attached, it slows to a snails pace.
Can't figure it out.
Any help appreciated
Thank you

Offline Graham Waterworth

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Re: Running G-Code slows machine
« Reply #1 on: September 19, 2020, 06:43:19 PM »
Are you in Inches or MM?
Without engineers the world stops
Re: Running G-Code slows machine
« Reply #2 on: September 19, 2020, 06:44:36 PM »
inches

Also, if I run it line by line in the MDI window, it runs proper speed
« Last Edit: September 19, 2020, 06:48:12 PM by alevitt53 »

Offline Graham Waterworth

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Re: Running G-Code slows machine
« Reply #3 on: September 19, 2020, 07:00:53 PM »
The code looks ok so it must be on override that is active.
Without engineers the world stops
Re: Running G-Code slows machine
« Reply #4 on: September 19, 2020, 07:02:17 PM »
Do you have a hint where I might find that?

Offline reuelt

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Re: Running G-Code slows machine
« Reply #5 on: September 21, 2020, 07:17:21 PM »
Do you have a hint where I might find that?
See attached. Click on 100% and 100%
or temporarily add
M49
at the beginning of the tap file to see if speed becomes normal.
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Re: Running G-Code slows machine
« Reply #6 on: September 21, 2020, 07:56:49 PM »
Thanks for everyone's response. It turns out the motor tuning on the A axis was so slow that everything else slowed to catch up to it. Once I got the motor close to proper tuning, everything ran smoothly.