BOXFORD 125 TLC Tool changer LINUXCNC

[Clive S]

Hi and welcome to the forum.

Firstly you are not saying how many axis you have (a lathe normally has two) but can have more.

It would help if you downloaded the hal and ini files. This line (/Lathe_Orac.hal:87: parameter or pin ‘stepgen.3.positio-scale’ not found) is telling you to look in the hal file at line 87.

setp stepgen.3.position-scale [AXIS_3]SCALE This bit [AXIS_3]SCALE is asking the ini file what the scales is ie. look in the ini file to see if you have this part in there.

Have you changed the AXIS No. in the ini file? ie. from two to three or three to four etc.

"I don’t understand this part:

### must unlink these 2 to access stepgen.3.position-cmd
### and prevent continual following errors if motor-pos-fb left linked
#net apos-cmd axis.3.motor-pos-cmd => stepgen.3.position-cmd
#net apos-fb stepgen.3.position-fb => axis.3.motor-pos-fb"

The # signs just means that those lines are not being used. ie commented out.


I see that you have posted this up on the linuxcnc forum. I think you might get better answers over there.

[garulus]

Hi Clive. Thanks!

I didn’t change anything, coz frankly...I don’t understand it(willing to learn).
I include all files in zip here. including untouched config. So anybody, or maybe even you can give it a try. It’s simple stepconf 2 axis lathe without feedback/inputs, so it will run without machine.

I’ll appreciate any the help.
Maros

[Clive S]

Hi Clive. Thanks!

I didn’t change anything, coz frankly...I don’t understand it(willing to learn).
I include all files in zip here. including untouched config. So anybody, or maybe even you can give it a try. It’s simple stepconf 2 axis lathe without feedback/inputs, so it will run without machine.

I’ll appreciate any the help.
Maros

Ok first. Have you actually got the lathe running under Lcnc? if not then start by getting the X and Z working first. then get to the tool changer later.

Do you have homing working?

[garulus]

Yes and no. I already have my mill up and running under linuxcnc, so I know what I’m doing with stepconfig. My lathe is just X Z steppers on the table + toolchanger. No home/limit yet. It is easier to test on PC without any inputs(homing manually in linuxcnc). All I need to know is how to implement this tool change component.

Update:

I copied file toolchanger.comp to my linuxcnc/configs/Lathe folder

Then copied Header:

################################################## #######
# .ini file for axis - ATC set up as axis A angular
################################################## #######
[AXIS_3]
...

to the end of my Lathe.ini file

Then I copied:

################################################## ########
# example Hal linkages required:-
################################################## ########

setp stepgen.3.position-scale [AXIS_3]SCALE
...

AND

################################################## #########
# loading the toolchange component in .hal file
################################################## #########

loadrt toolchanger
addf toolchanger servo-thread
...

In to my Lathe.hal file

Then I run terinal in my configs directory to compile:

sudo halcompile --install toolchanger.comp

(sudo comp --install toolchanger.comp) don’t work!

Still stuck Here when try to run linuxcnc

/Lathe_Orac.hal:87: parameter or pin ‘stepgen.3.positio-scale’ not found

[Clive S]

When you use stepconfig it will overwrite any changes you have made. so it is best to not use it and hand edit the files after the first time setup.

I have noticed that here:-
[TRAJ]
AXES = 3
COORDINATES = X Z

you might need to make it COORDINATES = X Z A

[garulus]

Hi. I know that stepconfig it will overwrite any changes, but before I make final setup I need to know that I’ll be able to implement this toolchanger component. Keeping it simple for now.

COORDINATES = X Z A(B,C) don’t work. Still same error message: /Lathe_Orac.hal:87: parameter or pin ‘stepgen.3.positio-scale’ not found

It would be nice if anybody who understand linuxcnc will try to implement it, and share results/knowledge. It’s time to make good deed...to please north pole for upcoming x-mass 2019

[Clive S]

Hi. I know that stepconfig it will overwrite any changes, but before I make final setup I need to know that I’ll be able to implement this toolchanger component. Keeping it simple for now.

COORDINATES = X Z A(B,C) don’t work. Still same error message: /Lathe_Orac.hal:87: parameter or pin ‘stepgen.3.positio-scale’ not found

It would be nice if anybody who understand linuxcnc will try to implement it, and share results/knowledge. It’s time to make good deed...to please north pole for upcoming x-mass 2019

Well there are more people on the linuxcnc forum that do understand it. But are you sure that the error message that you have put up on here and the linuxcnc site is correct. /Lathe_Orac.hal:87: parameter or pin ‘stepgen.3.positio-scale’ not found