alkabal wrote: I not fully understand what you think is the best :
1-change all the needed source code for allow to use G33.1
2-change all the needed source code for adding something like G33.2 (i think need the other change like for G33.1 but surely better to separate)
3-do something with remap
It depends if you want to fix it for everyone and change LinuxCNC or just make your machine work.
To fix it for yourself only, the simplest thing is to use the Y axis for the tailstock.
To fix it for yourself only and to keep the preview looking good, making a remapped G33.n is the way to go (you can't remap G33.1)
linuxcnc.org/docs/2.7/html/remap/remap.html
Amongst a lot of other info, this shows that G33.2 is available.
You could remap this in G-code to something like:
In the INI
Code:
[RS274NGC]
REMAP=G33.2 argspec=uvw ngc=myridgidtap
then create a file "myrigidtap.ngc"
Code:
O<myrigidtap> SUB
(store starting UVW)
(note that at this point #<w> is the W-word from the G33.2 command, and #<_w> is the current W position)
#1 = #<_u>
#2 = #<_v>
#3 = #<_w>
G33 U#<u> V#<v> W#<w>
(reverse the spindle)
M4
G33 U#1 V#2 W#3
{spindle back to forwards)
O<myrigidtap> ENDSUB
M2
But if you want to fix it for everyone, then that involves changes to the LinuxCNC source code. And spindle-synched motion is one of the more complicated parts.
