LinkBack URL
About LinkBacks
I converted my KMB-1 and it runs perfect.
Use your old servos and power supply. Scrap everything else!!
[nomedia="http://www.youtube.com/watch?v=uGquJ8din0g"]YouTube - First part being machined on a homebuilt CNC mill[/nomedia]
| | |
I've got an old KMB1 that I'm tired of fixing it is still a good piece of Iron and would hate to scrap it. I like the Mach Motion retrofit. I have a few questions on the following topics.
1. Original motors are DC brush type electro-craft silvers. what would be an equivalent in a stepper or AC servo??
2. Can the original motors be reused with the Mach Motion upgrade??
3. Any thoughts on the Mach Motion system???
4. Which VFD for the spindle would be the best???
I know that I could ask these questions at Mach Motion but would rather get the info from someone that doesn't have a dog in the fight.
Any help would be appreciated
Thanks in advance,
Artty
I converted my KMB-1 and it runs perfect.
Use your old servos and power supply. Scrap everything else!!
[nomedia="http://www.youtube.com/watch?v=uGquJ8din0g"]YouTube - First part being machined on a homebuilt CNC mill[/nomedia]
Dano,
Thanks for the link. I have been looking at a few options that use the original motors and boards. The Machmotion is kind of high price wise. So I started to look at putting something together myself. I'm looking at the Vital systems controller.
8-Axis Ethernet Motion Controller, Mach3 CNC Controller, .Net C# CSharp Library
and
This for the computer since I have one it is a touch screen.
ftp://public.dhe.ibm.com/common/ssi/...D03002USEN.PDF
Cost of components will be well under the Machmotion price. I think it totals out to likes $1500 + the VFD. It will be more work but I think it will do just fine. Thoughts ???
Regards,
Artty
Last edited by Artty62; 02-02-2011 at 05:49 PM.
Good iron for a retrofit, those old Japanese Hurco's were built well. I would try the Mach 3 myself on those, it's a perfect control for it. Whatever hardware you decide, make sure your not stuck with the old motors and drives, eventually you will need to upgrade those.
Yes,
Mach3 for sure. I thought about changing the motors and servo boards but can't afford it right now the control I'm considering is adaptable to newer motors and boards leaving that option open for a later date.
Artty
The servo motors are fine ! Actually , they are perfect. New brushes, and they are good to go.
Get rid of the driver boards because they are afterall 30 years old.
I'm running Mach3 on my old home computer. I converted my 17 flat monitor to touch screen for about $150.
BTW The Hurcos were not built in Japan. They were built in Spain.
I built my machine for $3500. That included the price of the machine.
Danno,
What boards did you use???
Artty
I used Viper driver boards with a Campbell Breakout board.
I built this a couple years ago, so there may be other options for the driver boards now.
I can't stress enough that you keep your servo motors.
[nomedia="http://www.youtube.com/watch?v=pdt5we4FJ8E"]YouTube - Hurco layout[/nomedia]
IDK about spain, all of our old ones said made in Japan right on the machine tag.Originally Posted by Danno
The older bed type were made in Japan by Toyama (NTC), the knee type were made in Spain by Kondia.
Danno,
So you went with a stepper setup ??? The Campbell Company is like 5 miles from me.
I may check them out to see what they have.
Artty
Like I said, I used my original servo motors !!
Stepper motors are good for small hobby machines, not a large mill.
I used the Campbell all-in-one. He'll probably recommend the viper drives.
Posting Permissions
| | |
