Re: Testing the new G203 Vampires on a mill drill

Correction. That should read no lost step
Dan Mauch

> Camtronics Inc
> www.camtronics-cnc.com
> low cost stepper and servo motors.
> Assembled and tested G201,203,G210,G320 and G340 drive systems.
>

--- In CAD_CAM_EDM_DRO@yahoogroups.com, "danmauch" <dmauch@...>
wrote:

>
> Yesterday I installed my 3 axis control box using the new G203 on

my

> mill drill. The mill drill has been retrorfitted with ballscrews

and

> my 452 oz in stepper motors. The ballscrews are a bit on the stiff
> side to turn by finger because I have the antibacklash set too
> tight. In spite of that and the 3/1 ratio timing belt drive I was
> able to run the Roadrunner.tap file at full speed. It was awesome

to

> see the G203's respond to Mach3 commands brilliantly. I took some
> video of the machine running but it will be a few days before I

can

> post it on my web site. The G203's never got warm. The motors

seemed

> to run cooler than normal but up here in Fugus Corner my shop was
> only 50F and I think the motor mounts acted as a heatsink keeping
> them cooler than normal. I ran the roadrunner file numerous times
> with a lost step.
> Then I swapped out the 452 oz in motors for the 762 oz in motors
> and the G203's ran them perfectly with great speed and power. I
> stopped the machine so I could watch the Nextel cup race but left
> the G203's on with the winding engaged. They were stone cold after
> 2.5 hours.
> After the race I ran the other G code files that do circles
> watching for any sign of stepper motor resonance problems. There
> were none!I ran it some more but I broke a tack weld on my Y axis
> ballnut assembly and had to shuck the machine down. I would say

that

> Mariss did a terrific job with these drives. Tomorrow I will set

up

> some high current motors that draw 9A and see how the Vampires
> respond.
>
> Dan Mauch
> Camtronics Inc
> www.camtronics-cnc.com
> low cost stepper and servo motors.
> Assembled and tested G201,203,G210,G320 and G340 drive systems.
>