Kirk Wallace wrote: > On Sat, 2011-06-18 at 17:14 -0500, Jon Elson wrote: > ... snip > >> I have a personal bias against US Digital, as their low-cost line of >> encoders have a number of deficiencies. >> > > They work well for me, am I missing something? > http://www.wallacecompany.com/cnc_lathe/HNC/00001-1a.jpg > http://www.wallacecompany.com/cnc_lathe/HNC/00010-1a.jpg > US Digital used to have a really cheap line of kit encoders (Avago and Renco call them modular encoders, ie. the motor provides the bearings, but they have a housing and usually the disc is trapped within the housing at all times.) One big failing is they needed a small cap local to the encoder, and long cables would cause the encoder to power down each time there was a transition on the A or B lines. I want to avoid having to do microsurgery on the encoders before shipping them.
Anyway, they may not have these anymore, and everything seems to have gone up in price. The cheapest model I could find with 1000 lines and index is the E2-1000-250-I-D-D-B, which looks like it will fit fine on these Keling motors. It lists in small quantity at $62, and goes down to $52 if you buy 10. This is a lot more than the CUI encoder, and I'd have to raise my prices, but it isn't insane. Your encoders look fine if you have an existing housing to protect the disc, but I want something that will just bolt onto the back of the motors. I am also looking for a couple 6-channel encoders for some Pac Sci motors I just got. I will probably get them from Renco, but they will only make up certain combinations of resolution plus commutation if you order 100. They didn't have 2500 line plus 4-pole commutation in stock. Apparently, you can't search their available parts, you have to ask for a quote each time. Thanks, Jon ------------------------------------------------------------------------------ EditLive Enterprise is the world's most technically advanced content authoring tool. Experience the power of Track Changes, Inline Image Editing and ensure content is compliant with Accessibility Checking. http://p.sf.net/sfu/ephox-dev2dev _______________________________________________ Emc-developers mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-developers
