huzza

--- On Fri, 6/15/12, andy pugh <bodge...@gmail.com> wrote:

> From: andy pugh <bodge...@gmail.com>
> Subject: Re: [Emc-users] Interesting tool changer
> To: "Enhanced Machine Controller (EMC)" <emc-users@lists.sourceforge.net>
> Date: Friday, June 15, 2012, 2:01 AM
> On 15 June 2012 04:28, charles green
> <xxzzb...@yahoo.com>
> wrote:
> > it is not a tool changer, it is a spindle changer.
>  there is probably a gear mechansim somewhere in the middle
> of the carousel that engages whichever spindle is pointing
> at the table to a single spindle motor.
> 
> I did wonder if that was the case, but rejected the idea as
> being too
> expensive and likely to lack rigidity.
> I designed an almost-identical system for a bond tester once
> (one
> motor and skew-gears on the selected tool) but that was a
> very
> different application.
> 
> That does remind me of a tiny "encoder" that I designed for
> the same
> machine. We machined two eccentrics at 90 degrees on the
> shaft (two
> flats might also work) and then had two leds and detectors
> that were
> occluded by the eccentrics. It was possible to deduce shaft
> angle from
> the relative intensities. The whole thing was in a 6mm
> housing round a
> 4mm shaft.
> 
> -- 
> atp
> If you can't fix it, you don't own it.
> http://www.ifixit.com/Manifesto
> 
> ------------------------------------------------------------------------------
> 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
> Emc-users@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/emc-users
> 

------------------------------------------------------------------------------
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
Emc-users@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/emc-users

Reply via email to