Re: [Emc-users] Touch probe functionality

[Andi Frommel]

hi Kim

i've just done something like that for qualifying my converted mill:

http://homepage.bluewin.ch/andyfrommel/6101.html
(sorry, it's still in german... but lots of pics)

i selected the pin on the parport, where the prober was connected to,
as the probe input and used the G38.2 command for probing.
to get the coords you can make use of ' probeopen' 

i used this code snippet to qualify the probe itself by measuring the z-coord
at the same xy pos 50 times.

(PROBEOPEN ProbeCalib.txt)
F#10
G1Z#5
O1 while [#4 lt #3]  (Schleifen-Zähler  Anzahl)
 F#11
 G1Z#6   (runter zu Anfangspunkt)
 F#12
 G38.2Z#7(runter bis Taster)
 G91 (Incremetal Mode)
 G1Z#8   (bisschen hoch)
 F#13
 G38.2Z#9(runter bis Taster)
 G90 (Absolut Mode)
 F#11
 G1Z#6
 #4=[#4+1]   (inkrement Schleifen-Zähler)
O1 endwhile
(PROBECLOSE) (Logfile schliessen)

i hope this gives you some light...
br andy


Ursprüngliche Nachricht
Von: [EMAIL PROTECTED]
Datum: 24.09.2008 20:56
An: Enhanced Machine Controller (EMC)emc-users@lists.sourceforge.net
Betreff: [Emc-users] Touch probe functionality

Hi all,

Thinking of making a touchprobe, but Im missing the link between the probe 
itself and EMC controll. 

Is there a special piece of code that needs to be run to locate a corner (tell 
EMC to do the moves), or it this 
already know to EMC.. 

What about logging a point cloud.. is this something EMC can do..

Best Regards
Kim 
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[Emc-users] Following error joint 2

[Andi Frommel]

hi folks

i'm new to this...
new to cnc
new to emc2
new to linux

since i've almost finished a conversion of a desktop micro mill, i tried
some of the example g-code files installed from the bdi.

i use brushed dc motors together with whale2 drivers in
step/dir mode.
so far so good - but sometimes i get a following error joint 2
(which is my z-axis).

emc2 does not actually know the position of the axis in that
mode (i assume)  'cos it continues anyway even if one of the drivers
switches off due to a following error.

that's why i want to ask you if you can help me with this nasty error
which stops all movements.
the error repeats every time when executing the same line in the g-code.

thanks for your help 
andy




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