Re: ATM - More Grinding Machine ideas

[Andy Saulietis <iss@pvtnetworks.net>]

Re pulleys,


>> I'm proposing to make some large (12-18" dia) pulleys
>> to achieve large reduction ratios in my machine.  A
>> large disk of plywood rotated in a jig against a
>> router bit or table saw blade to cut the necessary
>> groove is what I'm envisioning.

It's not neccesary to groove the larger pulley, just
make it about 2x as wide as the belt & make the edge
convex (~1/16" for  1" wide). The belt will 'climb' to
the higher center & stay there. Works with flat belts
with both pulleys convex also.



Andy Saulietis
ISS Enterprises
39 Silver Fox Trail
Mayhill NM 88339
505-687-3067 voice
505-687-3021 fax, call voice or e-mail to set up
e-mail: iss@pvtnetworks.net