43 degrees doesn¡¯t make sense to me. ?Machinery¡¯s Handbook says, for a 4L belt, 30 degrees for diameters under 2.65¡± to 38 degrees for diameters over 5.65¡±. ?You don¡¯t have to vary the angles, but you¡¯ll get a lot better contact if you do.
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On Apr 17, 2020, at 11:42 AM, mondosmetals <jwrey@...> wrote:
?On Fri, Apr 17, 2020 at 09:35 AM, jmartin957 <jmartin957@...> wrote:
but you¡¯d need different form tools for each pulley diameter. ?The angles are different for each diameter.
Please explain. The factory drawing notes that all grooves are 43¡ã Included angle.
Raymond