On 05/09/2012 09:33 AM, gene heskett wrote: > On Wednesday, May 09, 2012 10:00:13 AM Kim Kirwan did opine: > >> On 05/08/2012 11:34 PM, Mark Cason wrote: >>> On 05/08/2012 09:17 PM, Dave wrote: >>>> On 5/8/2012 10:08 PM, Mark Cason wrote: >>>>> Is this motor worth trying to get working? >>>>> >>>>> http://www.flickr.com/photos/46689581@N03/7161870700/in/photostream >>>>> http://www.flickr.com/photos/46689581@N03/7162041060/in/photostream >>>>> >>>>> A quick Google turns up nothing. I got it for nothing, and I'm >>>>> >>>>> interested in rigging it up to the Y axis on my Speedway Mill/Drill. >>>>> The old stepper barely has enough oomph to move the axis even >>>>> without anything on it. >>>>> >>>>> If it'll work, I might be able to get a few more of them. >>>> I think that is really a "Servo motor" off a Juki sewing machine. >>>> >>>> They can be purchased relatively inexpensively. >>>> >>>> I think they are designed more for speed control rather than position >>>> control.. >>>> >>>> http://www.ebay.com/itm/INDUSTRIAL-SEWING-MACHINE-SERVO-MOTOR-550-WAT >>>> TS-ADJUSTABLE-SPEED-NOISELESS-/400251144568#vi-content >>>> >>>> >>>> Dave >>> So there's no chance of using it for controlling an axis. Oh well, >>> Thank you. >> Well, wait a minute. Wouldn't that make it a velocity drive? >> That would be the classic situation, closed-loop by position. >> Do you have the controller for it? Do you have any more info >> on the motor? Can you show us the leads? Don't give up yet! >> >> Kim > How big is this speedway mill-drill? At 28 lbs for one of these, I don't > know as it would be all that great hanging on the end of the x table. OTOH > it looks like several lbs of stuff could be removed too. That mount looks > like 5 lbs, and the pulley and guard could go. Wow, a 3/4" shaft! I'd lay > odds its bearings are oilite though. > > The controller is uni-directional, so for servo use its likely something > electronically bidirectional would have to be bought/built. And of course > encoders suitable for the accuracy requirement fitted. > > However, for a bare motor, $115& shipping is a decent price. I could > eventually be interested in using one to replace the 300 watter on my mini- > lathes spindle, but one project at a time. My existing cnc4pc C41 interface > could probably run that controller without any surprises at all. > > At 28 lbs, what is the shipping to the eastern time zone? I'm drooling. > > Cheers, Gene
The place I got this one just sent ~50 of them to the scrap yard last week... -- -Mark Ne M'oubliez ---Family Motto Hope for the best, plan for the worst ---Personal Motto ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
