On Thursday 17 December 2020 17:51:51 Chris Albertson wrote: > If you have a BS1 with morterized index, you not want to hob gears but > cut one tooth, rotate the gear and then cut the next. You need a set > of gear cutters for the size gear. I has looking to buy some. > They are a little expensive so it is best to pick one or two size > gears and then make everything for all you projects that size. > > Here is a set like the type I might buy. This is a good size for > most of the parts I'd want to make > ebay.com/itm/Involute-Gear-cutter-set-M-0-5-pa-20-HSS... > <https://www.ebay.com/itm/Involute-Gear-cutter-set-M-0-5-pa-20-HSS-mod >ule-M0-5-N1-N8/324281326460?hash=item4b80ac5b7c:g:OjEAAOSwRrVfT4wx> For > some reason, so many of these seem to come from Russia > > The trouble with being a job-shop and making any random gear some one > might need is that you'd need 20 of these sets and find that it is > just cheaper to buy a premade gear and modify it. > > One set will allow you to make gears of a given module (or pitch if > using the American system) and one pressure angle in any size from > smallest possible to straight rack. > > If yu have need to make many 0.5 mod gears the above-linked set is a > good deal.
I agree, not bad if hard enough to make good gears for a while. I can imagine coolant chemistry is important? > On Thu, Dec 17, 2020 at 11:05 AM Gene Heskett <ghesk...@shentel.net> wrote: > > On Thursday 17 December 2020 12:46:35 andy pugh wrote: > > > On Thu, 17 Dec 2020 at 17:40, Gene Heskett <ghesk...@shentel.net> > > > > wrote: > > > > Is there available on the net, a good treatise of making gears > > > > with something like this BS-1? > > > > > > Do you want to hob the gears or cut one tooth at a time? > > > > Either. > > > > > > And, is anyone grinding tools & making arbors to mount them? > > > > > > To mount what? > > > > Oh, I duuno, gear hobs maybe? This has an R8 spindle. > > > > > > I have a > > > > mental vision of buying replacement head gears for this G0704, > > > > which are plastic, and making metallic gears to replace these as > > > > the bearings, which are also used in roller skates, are getting > > > > noisy. > > > > > > You might be able to buy metal gears pre-made: > > > https://littlemachineshop.com/products/search.php?tabName=Products > > >&ter m=metal+gears > > > > Cheers, Gene Heskett > > -- > > "There are four boxes to be used in defense of liberty: > > soap, ballot, jury, and ammo. Please use in that order." > > -Ed Howdershelt (Author) > > If we desire respect for the law, we must first make the law > > respectable. - Louis D. Brandeis > > Genes Web page <http://geneslinuxbox.net:6309/gene> > > > > > > _______________________________________________ > > Emc-users mailing list > > Emc-users@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/emc-users Cheers, Gene Heskett -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) If we desire respect for the law, we must first make the law respectable. - Louis D. Brandeis Genes Web page <http://geneslinuxbox.net:6309/gene> _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users