micro stepping issue

what I don't get is that 320 should be the right setting for the SCALE value when running 16 micro steps and 200 steps per rev...

Here is how the INI files looks like for my Y axis

[AXIS_1]
TYPE = LINEAR
HOME = 0.0
MAX_VELOCITY = 85.5005472035
MAX_ACCELERATION = 200.0
STEPGEN_MAXACCEL = 250.0
SCALE = 320.0
FERROR = 1
MIN_FERROR = .25
MIN_LIMIT = -0.001
MAX_LIMIT = 1200.0
HOME_OFFSET = 0.000000
HOME_SEARCH_VEL = 1.500000
HOME_LATCH_VEL = 1.500000
HOME_IGNORE_LIMITS = YES
HOME_SEQUENCE = 2

Any input ? i really need to get this machine working tomorrow monday and it is so frustrating to see it work perfectly under stepconf wizzard and vibrate when used under axis...

Is there anything under axis that limits the micro stepping that linuxcnc can generate ? Should all drivers have the same micro stepping or can it support a different micro stepping per driver ?

SCALE Specifies the number of pulses that corresponds to a move of one machine unit say an inch.
As shown here with a formula.
linuxcnc.org/docs/2.4/html/config_ini_config.html

what I don't get is that 320 should be the right setting for the SCALE value when running 16 micro steps and 200 steps per rev...

Have you checked that the scale is correct and that a g code move of say 10 results in a machine move of 10 units?
Machine units can be inch or mm.

Is there anything under axis that limits the micro stepping that linuxcnc can generate ? Should all drivers have the same micro stepping or can it support a different micro stepping per driver ?

The steps generation is not limited by Axis but by your hardware. The micro stepping can be different for each axis.



Rick G

gaeldk wrote: Any input ? i really need to get this machine working tomorrow monday and it is so frustrating to see it work perfectly under stepconf wizzard and vibrate when used under axis...

Are you absolutely sure that you are starting the new config and not the old config?

Rick G wrote: Have you checked that the scale is correct and that a g code move of say 10 results in a machine move of 10 units?

No I have not just seen that the axis is vibrating a lot again... So i will check if it is moving of the right distance...

andypugh wrote: Are you absolutely sure that you are starting the new config and not the old config?

Absolutely sure, I deleted all the configs on this PC except the .stepconf and regenerated everything from this .stepconf...