Re: Plasma table gear reduction

> The big problem with running servos slow is heat. For the same

output

> power if you halve the speed you double the torque required.

Current is

> proportional to torque so the current doubles. Now for the killer -

the

> heat squares! (heat = I^2 * R). To make matters worse the slower

the

> armature turns, the less effective the cooling is.
>
> Les

I don't see that as a problem. An external fan would suppliment any
low speed heating problem. But then knowing to solve a problem is
half the battle !