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X-carve linux cnc upgrade tuning

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10 years 5 months ago #74702 by mrbishop
ok i'll have a look for it in abit.

trying not to be so lost in all of this.

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10 years 5 months ago #74703 by mrbishop

andypugh wrote:

mrbishop wrote: movement acceleration wise is better now that i reduced my accel to 4. however at really slow speeds i moves with a pulse as in the videos..


Which videos?

If you put a halmeter on stepgen.N.counts, do the counts increase between pulses, or is it a pulse every time the count increments?


so the pulse is every time the count increments.

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10 years 5 months ago #74704 by andypugh

mrbishop wrote: so the pulse is every time the count increments.


That's the stepper stepping. The only way to reduce that is in the hardware, specifically by increasing the microstep ratio.

(You need to tell LinuxCNC that you have done that, either by manually editing SCALE or changing the settings in the config wizard.

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10 years 5 months ago #74706 by mrbishop

andypugh wrote:

mrbishop wrote: so the pulse is every time the count increments.


That's the stepper stepping. The only way to reduce that is in the hardware, specifically by increasing the microstep ratio.

(You need to tell LinuxCNC that you have done that, either by manually editing SCALE or changing the settings in the config wizard.


My microstep setting is at 8 what do you recommend

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10 years 5 months ago #74708 by andypugh

mrbishop wrote: My microstep setting is at 8 what do you recommend


How far does the machine move with every step?

I think that you might just have to accept that that is how the machine is with very slow moves.

Look in the sample G-code for daisy.ngc.

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10 years 5 months ago - 10 years 5 months ago #74709 by mrbishop
Going from memory I think it moves about 130 steps per inch.
i got that number from the hal that you told me about.
Last edit: 10 years 5 months ago by mrbishop.

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