Search found 43 matches

by kentonsj
Thu Jan 06, 2022 6:55 pm
Forum: Centroid Acorn CNC Controller
Topic: Cuts not repeatable, I'm losing steps
Replies: 57
Views: 2012

Re: Cuts not repeatable < overall turns ratio >>>not the problem, I'm losing steps

KENTONSJ it appears you have created your own board for your build - nice job!!! Is this something you sell or is it a one off? I am not an electrical engineer so the subject of differential line drivers is beyond my current scope. Any info /resources you could point me to would be appreciated. It ...
by kentonsj
Thu Jan 06, 2022 4:30 pm
Forum: Centroid Acorn CNC Controller
Topic: Cuts not repeatable, I'm losing steps
Replies: 57
Views: 2012

Re: Cuts not repeatable < overall turns ratio >>>not the problem, I'm losing steps

When I started my build, there was some discussion on the DYN4 connection details. I chose to go a different route given the inconsistent results that some seemed to have. I built a differential line driver converter (with input and help from this forum) that uses the signals from the DB25 and conve...
by kentonsj
Wed Dec 08, 2021 11:27 am
Forum: Success Stories
Topic: Thermwood C53 5x10 Router to Acorn
Replies: 6
Views: 550

Thermwood C53 5x10 Router to Acorn

I have finally got to the point that I'm calling my retrofit complete. In reality, there are still plans for more tweaking but it's making parts and I now have to tackle this list of projects that was growing while I did the retrofit. My donor machine was a 1997 Thermwood C53 5x10 router. It came fr...
by kentonsj
Wed Feb 03, 2021 3:14 pm
Forum: Centroid Acorn CNC Controller
Topic: Tool touch off from a single point.
Replies: 8
Views: 1846

Re: Tool touch off from a single point.

Hello I've recently converted an OEM Avid CNC NEMA 23 controller over to Centroid Acorn (Mach 4... Why is it even sold?) and everything works rather smoothly (100khz seems to work fine with the Leadshine stepper drivers). However, up until now I've always used LinuxCNC and did all of my tool height...
by kentonsj
Tue Nov 10, 2020 11:39 am
Forum: Centroid Acorn CNC Controller
Topic: Reliable Proximity sensors
Replies: 7
Views: 1625

Re: Reliable Proximity sensors

The sensors I bought from Automation Direct work good. Lot's of options to fit your mounting and sensing distances.

https://www.automationdirect.com/adc/sh ... ty_sensors
by kentonsj
Mon Nov 02, 2020 6:29 pm
Forum: Centroid Acorn CNC Controller
Topic: Text alerts?
Replies: 4
Views: 1210

Re: Text alerts?

If you want a text alert, you could use an Arduino. As above, program a relay output and it can be used by the Arduino to send the alert.

https://create.arduino.cc/projecthub/Ma ... ion-a38ae9
by kentonsj
Thu Aug 01, 2019 11:12 am
Forum: Centroid Acorn CNC Controller
Topic: M6 Dwell Time
Replies: 17
Views: 3985

Re: M6 Dwell Time

Thanks Gary, I don't have my accel set at 10 seconds, that would take way to much time :) I did see your comments before about the M100/101 and I do have an output contact like that on my drive. Honestly, I'm hoping to do it without the extra wiring. Like you said, I'd like to time it so when the cu...
by kentonsj
Wed Jul 31, 2019 5:29 pm
Forum: Centroid Acorn CNC Controller
Topic: M6 Dwell Time
Replies: 17
Views: 3985

Re: M6 Dwell Time

For anyone else interested, the M3 does not have any delay. Here is the modification to the M3 that I made to add a 10 second delay. ;------- ;M3 macro ; Displays message to select auto spindle mode if it is not set ;------- IF #4202 || #4201 THEN GOTO 200 M95 /2 M94 /1 G4 P10 IF #61058 THEN GOTO 2...