Re: [SherlineCNC] Reflective pickup

At 1:39 AM -0500 11-28-03, wanliker@... wrote:

>Can anyone on the list give me a suggested part numbet to add a pick
>up on a Sherline lathe for TurboCNC threading.

As you may know, Sherline uses a reflective sensor for their DRO. The
part they use is available from DigiKey as QRD1114 at 94 cents each.
Sherline even has a molded holder for it to screw it to the pulley
guard, and I'll bet you can buy the whole assembly as a spare part.
But you will need to provide it with 5 volts and "pull up" the output.

I prefer to use a Hall effect (magnetic) sensor. I make a timing tool
that can also be used as a Sherline tachometer. You can see pictures
here:
http://www.bmumford.com/mset/tech/tach/index.html

--

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