Strange Tool Change question to tool length comparison
26 Jan 2017 16:46 #86719
by tkamsker
Strange Tool Change question to tool length comparison was created by tkamsker
Hi,
i have an old Linuxcnc system with manual Toolchange which
behaves like t1 M6 and if next tool T2 M6 for instance the length difference of Tooltable is used
Now a very new Linuxcnc installation (the latest ISO Disk ) the T2 m6 requires an G43 to use the tool length compensation
so my question is that a change to Linuxcnc newer version or is there any hidden ini magic to change the behavior ?
in worst case we do need to change the post processor of the cam for the one machine and another for other machine ?
i use linuxcnc for a verry long time but that would help me a lot
thomas
i have an old Linuxcnc system with manual Toolchange which
behaves like t1 M6 and if next tool T2 M6 for instance the length difference of Tooltable is used
Now a very new Linuxcnc installation (the latest ISO Disk ) the T2 m6 requires an G43 to use the tool length compensation
so my question is that a change to Linuxcnc newer version or is there any hidden ini magic to change the behavior ?
in worst case we do need to change the post processor of the cam for the one machine and another for other machine ?
i use linuxcnc for a verry long time but that would help me a lot
thomas
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- Todd Zuercher
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26 Jan 2017 18:03 #86725
by Todd Zuercher
Replied by Todd Zuercher on topic Strange Tool Change question to tool length comparison
Maybe, in the ini files on your two versions under the RS274NGC section, does the RS274NGC_STARTUP_CODE = line have a G43 on it in the old config and not the new one?
linuxcnc.org/docs/2.6/html/config/ini_co...sub:RS274NGC-section
Otherwise I don't know why the behavior may have changed for you. But for myself I consider it the best practice to explicitly state G43Hn after every tool change anyway.
linuxcnc.org/docs/2.6/html/config/ini_co...sub:RS274NGC-section
Otherwise I don't know why the behavior may have changed for you. But for myself I consider it the best practice to explicitly state G43Hn after every tool change anyway.
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27 Jan 2017 13:17 #86776
by andypugh
Replied by andypugh on topic Strange Tool Change question to tool length comparison
It is possible that the previous system had "auto G43" turned on.
(You can be forgiven for not finding this setting, it it documented in the wrong place)
linuxcnc.org/docs/2.7/html/remap/remap.h...i_file_configuration
(You can be forgiven for not finding this setting, it it documented in the wrong place)
linuxcnc.org/docs/2.7/html/remap/remap.h...i_file_configuration
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