Re: [CAD_CAM_EDM_DRO] Re: Why is my feedrate slow with stepper motor

On Sat, 23 Mar 2002 21:47:17 -0500, you wrote:

>I found the hiccup in my data stream.
>
>I'm using K-Kam-3 - windows based software. The software provides a
>screen readout of position and plots the tool path in real time with
>the output to the printer port. There is a setting to disable position
>update. I tried it and my hiccup went away!. I'm now able to get
>about 3.5 IPM before torque falls off and I loose steps. (Up from 1.5
>IPM).

Make sure you have the latest version of your video drivers, if that
doesn't work try a different (faster) graphics card with more memory.

>That Identified I can now work on increasing voltage in my L/R drive
>circuit - plan to push to about 42 volts. This I can do quickly.
>
>I'm on a limited budget so a chopper circuit and new motors (bi-polar)
>will need to wait for a home made solution.

I've recently done just that, I'm about to get out the soldering iron
and see if it works! - I'll post a link to the schematic and PCB
overlays later if it all works OK.


Steve Blackmore
--
Pilot Consultancy Limited ***** Computer Consultants
Telephone 01744 752256 Mobile 07831 768478
Email: steve@... WWW: http://www.pilotltd.net