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4th axis question
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Topic: 4th axis question (Read 7158 times)
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raybuilt
9
Re: 4th axis question
«
Reply #10 on:
December 17, 2010, 12:03:37 AM »
by the way, the G code is so big because I had to turn coordinate modal off in VM or it caused other issue's with this model.
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Greolt
956
Re: 4th axis question
«
Reply #11 on:
December 17, 2010, 02:47:12 AM »
Looks like fairly poor code but that may be because we are only seeing a small section.
Try some basic code like this and see if you get a better result as far as A axis feedrate is concerned
G21
G1 Z25 F500
A90
Z50
A180
Z75
A270
Z100
A360
A axis feedrate should decrease as Z height increases.
I made this in metric because I think you said that is your native units.
Greg
EDIT: I reread your posts and maybe your native units are medieval english.
If that is the case then try this code instead.
G20
G1 Z1 F20
A90
Z2
A180
Z3
A270
Z4
A360
«
Last Edit: December 17, 2010, 03:02:06 AM by Greolt
»
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raybuilt
9
Re: 4th axis question
«
Reply #12 on:
December 20, 2010, 12:08:27 PM »
Thanks Greolt, radius correct work fine with basic code like that, Z height, then rotate. Were I'm having trouble is when A axis is rotating while Z is moving at the same time. It should work the same shouldn't it?
Thanks,
Ray
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Greolt
956
Re: 4th axis question
«
Reply #13 on:
December 20, 2010, 07:07:50 PM »
My understanding is that the feedrate correction will update with each line of code.
It's possible that my understanding is not correct.
I have not seen this issue but that might be because I do not machine jobs like cams.
Zip up your code and post, and I will run it here to see if I get the same result as you.
Greg
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