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Programs always exceed positive Z limit at end

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7 years 3 weeks ago #147616 by JetForMe
Replied by JetForMe on topic Programs always exceed positive Z limit at end
The homing configuration for the Z axis looks like:
Code:
HOME = -5.0 HOME_OFFSET = 5.0 HOME_SEARCH_VEL = 25 HOME_LATCH_VEL = -5 HOME_SEQUENCE = 0 HOME_USE_INDEX = False HOME_IGNORE_LIMITS = True

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7 years 3 weeks ago #147618 by Clive S
Replied by Clive S on topic Programs always exceed positive Z limit at end
What are the soft limits set at?

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7 years 3 weeks ago #147623 by tommylight
Replied by tommylight on topic Programs always exceed positive Z limit at end

JetForMe wrote:

In gcode you have 15mm, in the screenshot it is at 208mm ? How ? Why ?
Do you have a G21 at the top of gcode ?


Yeah, I've attached the program. The Z15 is in G54, which has z=0 set to the top of work.

That is all good, but how did you get Z to go up to positive 208mm ? I do not see any offsets active in that screenshot.
www.youtube.com/@toma.cnc1
www.youtube.com/@toma.3d
www.youtube.com/@tomapc

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7 years 3 weeks ago #147649 by JetForMe
Replied by JetForMe on topic Programs always exceed positive Z limit at end

tommylight wrote: That is all good, but how did you get Z to go up to positive 208mm ? I do not see any offsets active in that screenshot.


I've attached the full .ini file. I'm pretty sure that's 208 mm in G54.
Code:
[AXIS_Z] MIN_LIMIT = -340.0 MAX_LIMIT = 0.0 MAX_VELOCITY = 200 MAX_ACCELERATION = 1000 [JOINT_3] AXIS = Z MIN_LIMIT = -340.0 MAX_LIMIT = 0.0

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7 years 3 weeks ago #147665 by Clive S
Replied by Clive S on topic Programs always exceed positive Z limit at end
Try the MAX_LIMIT limit at -6

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7 years 3 weeks ago #147673 by JetForMe
Replied by JetForMe on topic Programs always exceed positive Z limit at end
Can you explain your thinking here? Thanks.

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