RE: [CAD_CAM_EDM_DRO] PIC DRO

And the part number is?

Regards
John

-----Original Message-----
From: james owens [mailto:wotisname@...]
Sent: Wednesday, April 05, 2000 2:41 PM
To: CAD_CAM_EDM_DRO@egroups.com
Subject: Re: [CAD_CAM_EDM_DRO] PIC DRO

I have in my hand an encoder from USDigital with a 5/8" bore 2000 lines per
rev with index $22.00

Regards,

Terry.

----- Original Message -----
From: ptengin@...
To: CAD_CAM_EDM_DRO@egroups.com
Sent: Wednesday, April 05, 2000 7:16 PM
Subject: Re: [CAD_CAM_EDM_DRO] PIC DRO


In a message dated 04/04/2000 9:14:49 AM Hawaiian Standard Time,
bryan@... writes:

<< It seems like the problem will be how to couple to everyone's shafts.
What would you use for a shaft encoder that would be somewhat
universal? There may be no way to fit full size machines as well as
tabletop machines. Also, a shaft encoder cannot manage the backlash,
so your resolution will be no better than the current lash in the
lead screw, right?


Bryan Mumford
Santa Barbara, California
http://www.bmumford.com
>>

Bryan,
I'd opt for a hollow shaft encoder. Something like a 5/8" bore. Then,
all
you need to do is turn a split bushing to adapt to whatever shaft size you
may need. Only snag is, the hollow shaft units are much more expensive.
And
larger.
As far as regular shafted encoders, <A
HREF="www.automationdirect.com">autom
ationdirect.com</A> had some industrial units for under a $100.

Peter
THRD, Inc.

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