Re: [CAD_CAM_EDM_DRO] Re: Cap at the Gecko, motor heating, fuse protection??

Polaraligned wrote:

>
>
>So what are your personal thoughts on running a motor over it's
>rated voltage? Does is not matter then because the Gecko limits
>the current?
>
>

That's my feeling, is that some motors not rated specifically
for servo work or current limited power sources use a voltage limit
that prevents the motor from damage by a voltage-stiff supply. Any
time I see something like a 4 Ohm, 12 A motor with a 36 V rating, I
know it can't possibly develop even full rated power at 36 Volts.
You can NEVER even reach the 12 A limit with a 36 V supply, even with
the shaft locked.

SO, yes, in a servo application, where current it limited by the drive, this
should be acceptable. There is a risk, of course, that if the drive fails
(shorted transistors, for instance) it could fry the motor with a higher DC
supply voltage.

Jon