Re: [CAD_CAM_EDM_DRO] Re: faster steppers

Hi Alan,

I was measuring the motor speed mechanically with an r.p.m. meter. It works
a bit like a speedometer in that it has a shaft which you couple to the
rotating object - in this case by pushing a rubber cone on the end of it
against the centre of the motor pulley - and the needle is then taken round
the dial to indicate speed in one of 3 ranges. There is a lock facility so
you can hold the reading until you can get the meter to where you can read
it clearly. So, what I am measuring is the actual speed I get when driving
the motors from EMC.

Ian
--
Ian W. Wright
Sheffield UK
www.iw63.freeserve.co.uk

----- Original Message -----
From: "Alan Marconett KM6VV" <KM6VV@...>

> Henrik, Ian, list,
>
> How were you using a rate generator to MEASURE the maximum steprate?
> Just by feeding the driver with a square wave? I've been trying to use