Re: Stepper Size Selection

--- In CAD_CAM_EDM_DRO@yahoogroups.com, Steve Blackmore <steve@...>
wrote:

>
> On Sat, 14 Jun 2008 21:13:13 -0700, you wrote:


> SX3 conversion here with 340 oz/in motors direct coupled to 4mm pitch
> ballscrews is capable of 5m/min without loosing steps or stalling, but
> it's tuned down to 3m/min (120 ipm) which seems a more sensible speed
> for a small machine. Chinese Leadshine drives at 50VDC @ 4A

That ties in well with Michael's comment which is encouraging.

>
> Spindle motor's been replaced with a 180V DC 2Kw motor, 0-3200 rpm.
>
> It's reliably taking .2" deep cuts with a 1/2 inch two flute slot

drill

> at 20 ipm and 3000 rpm in 2017 Aluminium.

That would way exceed my expectations or needs. Then again I only have a
600W spindle motor.

Thanks for the response, Steve. Things are getting a lot clearer.