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  • paulmag
  • paulmag's Avatar
Today 08:05
Replied by paulmag on topic Having an issue getting orientation correct

Having an issue getting orientation correct

Category: Basic Configuration

Thanks for the feedback I will try again .
  • justincase79
  • justincase79
Today 07:35
Replied by justincase79 on topic Kern/DMT CD320

Kern/DMT CD320

Category: Turning

When I bought the machine it would not boot, with a bios battery error message, so the original computer is probably dead, but not really a big loss... But the machine was working fine the last time it was used, a couple of years ago, according to the seller, so the original Indramat drives and motors are probably fine. Main problem is they require 380v, 3-phase and 17kW of it... A bit more than I have available in my garage. So the plan is to reduce the power somewhat (especially for the 10kW spindle motor), given the machine is only going to be used for hobby projects, and get it to run at 230v 3 phase.

With regards to ethercat vs mesa it looks to me, based mostly on forums posts, that the mesa route is safer, more tested and less potential problems, does that sound about right?
  • macsddau@linuxcnc
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Today 04:56
Replied by macsddau@linuxcnc on topic Can't SIM programs with spindle speed over 12500rpm

Can't SIM programs with spindle speed over 12500rpm

Category: General LinuxCNC Questions

Yes
The ini file is from gmoccapy sim sample
Only adjusted machine size and speeds according to real cnc.
  • Tim Bee
  • Tim Bee
Today 04:17

LinuxCNC-RIO - RealtimeIO for LinuxCNC based on FPGA (ICE40 / ECP5)

Category: Computers and Hardware

Dear meister:

 


When I add debounce for bitin7, the builder had a error.
Thank you


Tim
  • Tim Bee
  • Tim Bee
Yesterday 03:48
  • NWE
  • NWE's Avatar
Yesterday 03:05 - Yesterday 03:06

Having an issue getting orientation correct

Category: Basic Configuration

In your ini file your max limits are negative, I doubt that is correct. Remove the - from max limits. If the motors run the wrong direction, fix by adding - to scale value as tommylight has pointed out.
  • NWE
  • NWE's Avatar
Yesterday 02:45
Replied by NWE on topic lcnc-suite — web UI for LinuxCNC

lcnc-suite — web UI for LinuxCNC

Category: Other User Interfaces

Now that sounds pretty neat! I take it your Arduino Q contains literally both the mini-pc running Debian 13 AND the motion controller grblHAL STM32. The entire system on one compact little Arduino board the size of Arduino UNO!
I bought one of those Arduino Q when they introduced them. I'd love to unpack it and try that, but I'm currently working overtime on another big project, that should be done in a few more weeks...
  • tommylight
  • tommylight's Avatar
Yesterday 02:07

Can't SIM programs with spindle speed over 12500rpm

Category: General LinuxCNC Questions

Did you try editing the ini file for the sim?
  • tommylight
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Yesterday 02:06
Replied by tommylight on topic Kern/DMT CD320

Kern/DMT CD320

Category: Turning

If the old motors and drives work, i would not change them, just get some Mesa analog boards and move on.
I can not give you useful advice for now as i always try hard to use the existing drive train when retrofitting (done plenty of those), and i did not use EtherCAT yet, but from what i read here they are both hard to set up and have issues i do not like to deal with, especially having position feedback going on vacation at random on a 15 ton machine.
If you need inspiration, have a browse through "show your stuff" section of the forum, plenty of retrofits by me and other forum members there, also many more on other sections but might be harder to find.
  • tommylight
  • tommylight's Avatar
Yesterday 01:57
Replied by tommylight on topic The Stupidity of AI

The Stupidity of AI

Category: Off Topic and Test Posts

I still have some old functional microwaves in the shop... :)
And some 6S/32AH batteries,at 10C they can deliver 320A of current easily, should be enough to run 6-8 microwaves at once! For around 5 minutes...
  • tommylight
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Yesterday 01:49
Replied by tommylight on topic Having an issue getting orientation correct

Having an issue getting orientation correct

Category: Basic Configuration

I really hope those are not - signs in front of the axis lengths!
First, make sure when X axis is moving to the right numbers go up on screen, move up when Y axis moves away from you, and go up when Z axis goes up although these should be negative values.
You can change direction of any axis/joint in the hal file, just add - sign in front of the SCALE value in the INI file, save and run LinuxCNC (needs restarting LinuxCNC, not the PC)
Only after you got this correct move on to fixing homing if using home switches.
  • spumco
  • spumco
Yesterday 22:12

Trying to get analog joystick to control jogging

Category: Basic Configuration

Dont forget to set halui.axis.N.jog-speed as well to the same value as joint.N.

joint.N.jog-speed is used before homing, and axis.N.jog-speed is used after.

It may get a little complicated in HAL, but there should be a component or other logic chain which triggers joint.N.plus when the joystick value is >0, and opposite for <0.

Maybe look at wcomp...  Perhaps two wcomp instances, one for plus and one for minus:
  • set the wcomp.0.min to just above 0
  • set the wcomp.1.max to just below 0
giving you (I think) an adjustable deadband if the joystick analog value flutters a bit at the center point.
  • peterdownunder
  • peterdownunder
Yesterday 21:42
Replied by peterdownunder on topic Trying to get analog joystick to control jogging

Trying to get analog joystick to control jogging

Category: Basic Configuration

Thanks for the hint.
From what I see i have to set halui.joint.jog-speed to some nominal value
Then net the analog value halui.joint.N.analog as I have done above

It also seems possible that I have to set either halui.joint.N.minus or halui.joint.N.plus to actually initiate the jogging

I will play with these options
  • paulmag
  • paulmag's Avatar
Yesterday 20:01 - Yesterday 21:36

Having an issue getting orientation correct

Category: Basic Configuration

A bit of background I had gifted a 1995 Cipher engraving table controlled by a Multicam M23 box all new in the day I wanted to bring it up to date and do a complete rebuild and upgrade and as I knew/know just a little I firstly built a control box using a raspberry PI5 and attached it to a testrig I made and then to a chinese table learning how to use Linuxcnc Freecad and any other useful addons.

Now for the issue I have rebuilt the Cipher table with my Pi5 control box and it all works sensors steppers BUT initially it was engraving text mirrored so I fiddled with the INI file settings  min limit and max limit...and eventually got it to do machining BUT the layout is upside down and the X and Y axis numbers are negative below is an image showing the home and extents I have also attached the INI file
I would like to be able to load the files right side up All works fine on my first table build.

I should add that the table image attached is as the physical table but the image on screen in axis shows the home position top rhs if I "fiddle and get the home to btm left on the screen it messes with the homing 

 
  • tommylight
  • tommylight's Avatar
Yesterday 19:35
Replied by tommylight on topic Retrofit CNC FROM FANUC O-M OT MESA

Retrofit CNC FROM FANUC O-M OT MESA

Category: CNC Machines

No idea about the motors as they tend to have several types of feedback, but for a general idea of retrofitting such machines have a look here:
forum.linuxcnc.org/30-cnc-machines/33529-hurco-bmc-20p-retrofit
forum.linuxcnc.org/30-cnc-machines/31792...-01-retrofit?start=0
There are many more, lathe and a lot of plasma machines i have retrofitted, but this is more like yours, hopefully.
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