Re: Best source for Servo's ?? speeds and plasma

> <snip>
>
> This brings into question the use of high speeds and plasma
> machines. As I understand, plasma cutters on thin stock should
> operate at higher speeds.
>
> I am getting ready to order a similar motor in this thread, but from
> Surplus Center
> http://www.surpluscenter.com/item.asp?
> UID=2005010323083678&catname=&qty=1&item=10-1783
>
> Items 10-1783 and 10-1573 are the motors
> and item 10-1834 is a small motor with a 200 encoder.
> lose the motor and use the encoder.
>
> I am looking at the gear reduction.
>
> It seems that XL belts might be too small, but I have not tested that
> as yet.
>
> I found a 24:60 primary ratio and a 24:60 secondary ratio into a gear
> rack of 12 pitch and a 16 tooth drive gear offer 0.24 inchs per
> revolution of motor.
>
> What I have not figured is the shaft thicknesses. I hate to think it
> would depend on a 1/4 shaft for the gear or some sillyness.
>
> Here is a picture that Graham sent me (thanks Graham) of a similar
> drive train. That wide drive belt seems to be hard to find and darn
> expensive !
>
> http://www.axxustech.com/Axxus4x8/Axxus%204x8%20motors.jpg
>
> Dave