Topics

1

General Mach Discussion / Kind of Like Limit Switch Resetting or Something

« on: September 30, 2014, 09:31:04 AM »

I do mostly back and forth carving using Mach3. Since I have stepper motors and not servo, the computer doesn't know if steps are missed. I sometimes have this problem when I do deeper carves.

So I was thinking, what if I could set up Mach3 to touch the limit switch at the end of each line and then accurately go on the next line. If I was able to do this it would be more accurate, and would automatically make up for missed steps if any occur. It would kind of set it back in line each pass.

Does anybody know if this is possible with Mach3?

2

Show"N"Tell ( What you have made with your CNC machine.) / Marines Emblem 1st Carve

« on: June 12, 2014, 03:00:39 PM »

I've attached an image of my first carve from my DIY CNC run with Mach3. The g-code I created was 10 mb and set up to do 64 passes per inch. I'm surprised at the file size that I can use on my 10 year old computer that I use to run my machine. The depth of carve is 1/4".

3

G-Code, CAD, and CAM discussions / How does Feed Rate relate to Velocity-Acceleration

« on: May 31, 2014, 10:53:57 PM »

I'm just learning how to operate my new CNC and am wondering about feed rate as it relates to the Velocity and Acceleration that is set up in Motor Tuning.

I ran a job that I gave a feed rate of 50 to create the g-code and it ran well except I would like to see it go faster. Now if I were to turn the feet rate up to say 100 would it go as fast as my machine is set up for through motor tuning? And plunge rate I imagine would control only the z axis and work the same way right?

4

*****VIDEOS***** / Mobile CNC Router (Home Made)

« on: May 29, 2014, 08:48:02 PM »

I just ran my first project with this machine that I built specifically for Raster Carving. I put together an image using Gimp software, opened it up on my LinuxCNC computer to create G-code, then put the code on my Win XP computer running Mach3 and Raster carved it with my mobile router that I put together with parts from Inventables.com and buildyourcnc.com.

Here's the video: https://www.youtube.com/watch?v=UOeXTPZMJJE

And the other one: https://www.youtube.com/watch?v=vJb0dKbvF5Q