On Mon, 9 Mar 2009, Kirk Wallace wrote: > Date: Mon, 09 Mar 2009 10:58:04 -0700 > From: Kirk Wallace <kwall...@wallacecompany.com> > Reply-To: "Enhanced Machine Controller (EMC)" > <emc-users@lists.sourceforge.net> > To: "Enhanced Machine Controller (EMC)" <emc-users@lists.sourceforge.net> > Subject: [Emc-users] 24 Position Absolute Encoder > > I am planning to make an encoder for my tool changer: > > http://www.wallacecompany.com/machine_shop/Shizuoka/00030-1a.jpg > http://www.wallacecompany.com/machine_shop/Shizuoka/Tool_Changer_Encoder-1a.png > > I was going to drill holes into a disk with a binary bit pattern and > clock bit. It's not very elegant and larger than I like. Does anyone > know of an existing (inexpensive) absolute encoder that would work?
Take a look at the Austria Microsystems chips They have 12 bit magnetic absolute encoder chips less than ~$10.00 AFAICR > > (By the way, here is an interesting variation of my changer. > http://www.youtube.com/watch?v=JjBjR2Z3fqk > I don't know if it's better to have an arm or move the whole carousel? > > I've also noticed that the taper on NMBT40 is the same as CAT40, so if I > could come up with a stud puller in place of my power draw bar, I could > use the more common CAT holders. Just a thought.) > ------------ > Kirk > http://www.wallacecompany.com/machine_shop/ > > > > ------------------------------------------------------------------------------ > Open Source Business Conference (OSBC), March 24-25, 2009, San Francisco, CA > -OSBC tackles the biggest issue in open source: Open Sourcing the Enterprise > -Strategies to boost innovation and cut costs with open source participation > -Receive a $600 discount off the registration fee with the source code: SFAD > http://p.sf.net/sfu/XcvMzF8H > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > Peter Wallace Mesa Electronics (\__/) (='.'=) This is Bunny. Copy and paste bunny into your (")_(") signature to help him gain world domination. ------------------------------------------------------------------------------ Open Source Business Conference (OSBC), March 24-25, 2009, San Francisco, CA -OSBC tackles the biggest issue in open source: Open Sourcing the Enterprise -Strategies to boost innovation and cut costs with open source participation -Receive a $600 discount off the registration fee with the source code: SFAD http://p.sf.net/sfu/XcvMzF8H _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
