CAD CAM EDM DRO - Yahoo Group Archive

Re: [CAD_CAM_EDM_DRO] Voltage, Current, Resistance and Heat?

on 2004-11-08 17:34:11 UTC
The only way to increase current is to either increase
voltage (relatively speaking), or decrease impedance.
Current is the result of the Voltage/Impedance equation.
It doesn't 'drive' the equation.

RayHex

----------
> From: lcdpublishing <lcdpublishing@...>
<snip>
>
>
> After some tuning, I believe I have the torque pretty
close on the
> new board as the old board. But still, the motors run
cooler.
>
> This got me to thinking about something I read somewhere.

>
> "Torque is directly related to current"
>
> If this is the case, then, if I have the same current I
should have
> the same torque. Also, I believe the motors should run
at the same
> temperature.
>
> So, I am wondering if I could run more current (Amps)
into these
> motors than what is given on the spec sheet. Eventually,
I will be
> running them at about 40 volts when I get the parts for
the new
> power supply. But, I am VERY tempted to crank up the
current to see
> if I can get more umph out of them. Now I know I am not
suppose to
> do that, but if the motors are running cool, I am
wondering if I
> would in fact hurt them by running up the current while
keeping a
> very close eye on motor temps.

Discussion Thread

lcdpublishing 2004-11-07 14:14:44 UTC Voltage, Current, Resistance and Heat? caudlet 2004-11-07 15:21:36 UTC Re: Voltage, Current, Resistance and Heat? Tom Hubin 2004-11-08 15:39:01 UTC Re: [CAD_CAM_EDM_DRO] Voltage, Current, Resistance and Heat? Tony Jeffree 2004-11-08 16:14:33 UTC Re: [CAD_CAM_EDM_DRO] Voltage, Current, Resistance and Heat? Chuck Rice 2004-11-08 16:49:33 UTC gCAD3D 3D CAD for Linux Roy J. Tellason 2004-11-08 17:23:48 UTC Re: [CAD_CAM_EDM_DRO] gCAD3D 3D CAD for Linux Raymond Heckert 2004-11-08 17:34:11 UTC Re: [CAD_CAM_EDM_DRO] Voltage, Current, Resistance and Heat? Chuck Rice 2004-11-08 19:22:42 UTC Re: [CAD_CAM_EDM_DRO] gCAD3D 3D CAD for Linux Jon Elson 2004-11-08 19:23:28 UTC Re: [CAD_CAM_EDM_DRO] Voltage, Current, Resistance and Heat?