Hey man just found some real nice looking low priced couplers on ebay, they appear to be the double disk type some of you guys recommended. What do you think?? here is a link...peace
http://www.ebay.com/itm/CNC-19x22mm-Motor-Shaft-Coupler-19mm-to-22mm-Flexible-Couplings-OD-56x64mm-/160904581962?pt=LH_DefaultDomain_0&hash=item2576a9134a On Fri, Feb 15, 2013 at 3:25 PM, Pete Matos <[email protected]> wrote: > Glad to hear it man. You don't have to be fast when you're the big > Grizzly LOL....I hope I have as much success with LinuxCNC and Mesa as so > many others have had. Peace > > > Pete > > > > On Friday, February 15, 2013, sam sokolik <[email protected]> wrote: > > No learjet... :) > > > > Working very well - very happy with linuxcnc and mesa. > > > > sam > > On 2/15/2013 1:19 PM, Pete Matos wrote: > >> Sam.....HOLY SMOKES!!!! so you're the Guy with the huge Learjet and > >> Trecker mill....Dayum that looks like a huge project. Hows she running > for > >> you now? I love that massive toolchanger and those big toolholders. > That > >> looked like a seriously competent machine and some real heavy iron. > Nice > >> job man. I bow to your prodigious retrofit skills....LOL Peace > >> > >> Pete > >> > >> > >> > >> On Friday, February 15, 2013, sam sokolik <[email protected]> > wrote: > >>> we made one... (saw blade.....) it has been working well - Seems to > >>> handle 40ftlbs.. :) > >>> > >>> http://electronicsam.com/images/KandT/conversion/yaxis/adaptfinal1.JPG > >>> http://electronicsam.com/images/KandT/conversion/yaxis/adaptfinal.JPG > >>> http://electronicsam.com/images/KandT/conversion/yaxis/flexplate.jpg > >>> http://electronicsam.com/images/KandT/conversion/yaxis/yassembly.JPG > >>> > >>> sam > >>> > >>> > >>> On 2/15/2013 12:10 PM, Don Stanley wrote: > >>>> Hi Guys; > >>>> I have had terrific results with the double diaphragm couplings. > >>>> They don't change velocity during the rotation when misaligned. > >>>> They don't create friction when misaligned. Only a very slight torque > to > >>>> flex the diaphragms. > >>>> They are very high torque tolerant. I rammed a small one to the stops > >> many > >>>> times > >>>> with a 4000 inch ounce (20 ft lbs) torque motor during setup. > >>>> I am so partial to them, I made my own when I was unable to buy a > small > >> one > >>>> for > >>>> a confined space. It was rammed against the stops also and is still > >> working. > >>>> Hope this helps. > >>>> Don > >>>> > >>>> On Thu, Feb 14, 2013 at 12:19 PM, Billy Huddleston <[email protected]> > >> wrote: > >>>>> My understanding is you use nylon for compliant couplings (ones that > >> need > >>>>> a bit of give or backlash) and the Acetal disks which are zero > backlash. > >>>>> The only way they're not good > >>>>> with backlash is if you have a high degree of offset (unlikely in > your > >>>>> machine) and you have a high amount of ware on the disk.. again, more > >> ware > >>>>> if you have more offset... > >>>>> > >>>>> http://www.couplingtips.com/oldham-couplings/ > >>>>> > >>>>> Again, I like the fuse feature of the oldham's.. Just my two cents > >> worth. > >>>>> :) > >>>>> > >>>>> > >>>>> On 02/14/2013 12:08 PM, Pete Matos wrote: > >>>>>> Billy, > >>>>>> I am fairly familiar with the oldham style couplers and they > have > >>>>> some > >>>>>> advantages but I was under the impression they are less than great > in > >> the > >>>>>> backlash area. I want this machine to be able to transmit the full > >> power > >>>>>> of these motors to the screws and do it without any backlash at > >>>>>> all....zero... There is enough backlash in any ballscrew assembly > with > >>>>> the > >>>>>> thrust bearings and the ballnuts etc. I don't need to be adding to > it > >>>>> here. > >>>>>> So far those disk type ones seem to offer some misalignment and > >> offset > >>>>>> protection yet still allow zero backlash and the ones in the sizes I > >> need > >>>>>> are stainless steel it seems. Dunno how much those cost but I am > sure > >> it > >>>>>> is not cheap. Peace > >>>>>> > >>>>>> Pete > >>>>>> > >>>>>> > >>>>>> On Thursday, February > ------------------------------------------------------------------------------ The Go Parallel Website, sponsored by Intel - in partnership with Geeknet, is your hub for all things parallel software development, from weekly thought leadership blogs to news, videos, case studies, tutorials, tech docs, whitepapers, evaluation guides, and opinion stories. Check out the most recent posts - join the conversation now. http://goparallel.sourceforge.net/ _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
