Hi Chris, All the metal pulleys I've bought from say Misumi or SDP are machined.
There are some good videos out there on using say a broken spot drill to create a cutter. Heat it and cool slowly to reduce hardness. Grind a lathe tool to the shape of the desired profile and turn the cutter to that shape. Transfer from collet in lathe to collet in mill and mill half away. Grind relief and heat, chill, heat, temper. Use a stone on the flat surface. Install into boring head and with spin indexer mill the slots. Because the cutter has the rounding on the edges for the teeth the tooth profile appears to come out fairly well. Now with an angled table and synchronized horizontal mill and 4th axis as Andy demonstrated in his video, it's even easier. John > -----Original Message----- > From: Chris Albertson [mailto:[email protected]] > Sent: December-27-20 11:39 PM > To: Enhanced Machine Controller (EMC) > Subject: Re: [Emc-users] Making L Type Timing pulleys. > > On Sun, Dec 27, 2020 at 2:15 PM Andy Pugh <[email protected]> wrote: > > > > Though, machining is faster for me. But not for most, I suspect. > > > > How would you cut the tooth profile? What about a curved profile? What if > you need flanges on the pulley? Maybe you could use a tiny ball-endmill > on a four axis milling machine? > > The metal pulleys you buy are not machined. I think they are diecast > > > Chris Albertson > Redondo Beach, California > > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
