Along those lines, could curved "teeth" like cycloidal reducers be used with a flex element?
-- Ralph On Jan 6, 2021 6:41 AM, Todd Zuercher <to...@pgrahamdunn.com> wrote: CAUTION: This email originated from outside the Walla Walla University email system. I wonder if instead of machined spines, the cup could be made from a sheet stamping with the splines simply crimped into the sheet. (Although that wouldn't help Andy with making a homemade one.) -----Original Message----- From: Roland Jollivet <roland.jolli...@gmail.com> Sent: Wednesday, January 06, 2021 9:06 AM To: Enhanced Machine Controller (EMC) <emc-users@lists.sourceforge.net> Subject: [Emc-users] I wonder if I can fix it? I've been pondering this for a while now, wondering if there's a design shape that has been missed. In terms of a fresh design, things that could be done; - increase the length of the cup - put cutouts in strategic places - use a cone rather than a cup - make the cup in more than one piece (flexspline +CV bearing) On Tue, 5 Jan 2021 at 19:28, andy pugh <bodge...@gmail.com> wrote: > I bought an FHA-17C actuator from eBay. It was cheaper than normal, > for parts or not working. > It clearly had the cables cut off, so I decided to gamble. > > It turns out that things were worse than I hoped. > > https://nam12.safelinks.protection.outlook.com/?url=https%3A%2F%2Fphotos.app.goo.gl%2Fp3SL2Bwv2b9yd5XJ9&data=04%7C01%7Cralph.stirling%40wallawalla.edu%7C300a113beb3448eb99f508d8b25123c4%7Cd958f048e43142779c8debfb75e7aa64%7C0%7C0%7C637455408864537060%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=hFqewdI6dh%2BA5nxd%2Fs0zJImaSjAIe7BojJ6x1h%2BqsRQ%3D&reserved=0 > > I am seriously considering trying to make a new flexspline. I mean, > how hard can it be? > > -- > atp > "A motorcycle is a bicycle with a pandemonium attachment and is > designed for the especial use of mechanical geniuses, daredevils and > lunatics." > — George Fitch, Atlanta Constitution Newspaper, 1912 > > > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://nam12.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.sourceforge.net%2Flists%2Flistinfo%2Femc-users&data=04%7C01%7Cralph.stirling%40wallawalla.edu%7C300a113beb3448eb99f508d8b25123c4%7Cd958f048e43142779c8debfb75e7aa64%7C0%7C0%7C637455408864547056%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=cQ3V%2FAA1W5I1VAgD4H9uAzTzC57%2Fb1i6Vn4drGMJjEA%3D&reserved=0 > _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://nam12.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.sourceforge.net%2Flists%2Flistinfo%2Femc-users&data=04%7C01%7Cralph.stirling%40wallawalla.edu%7C300a113beb3448eb99f508d8b25123c4%7Cd958f048e43142779c8debfb75e7aa64%7C0%7C0%7C637455408864547056%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=cQ3V%2FAA1W5I1VAgD4H9uAzTzC57%2Fb1i6Vn4drGMJjEA%3D&reserved=0 _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://nam12.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.sourceforge.net%2Flists%2Flistinfo%2Femc-users&data=04%7C01%7Cralph.stirling%40wallawalla.edu%7C300a113beb3448eb99f508d8b25123c4%7Cd958f048e43142779c8debfb75e7aa64%7C0%7C0%7C637455408864547056%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=cQ3V%2FAA1W5I1VAgD4H9uAzTzC57%2Fb1i6Vn4drGMJjEA%3D&reserved=0 _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users