brucegodlesky Posted February 15, 2009 Share Posted February 15, 2009 Does belt thickness affect speed? How about width? Will I lose much with a 1 1/2" belt on a 2" pulley? Enquiring mind and all. Quote Link to comment Share on other sites More sharing options...
HWooldridge Posted February 15, 2009 Share Posted February 15, 2009 Not really, speed is primarily determined by the ratio between driven and driving pulley diameters. Width of belt may affect slippage but I do not think you will see any difference between 1-1/2 and 2 inches unless the application is already near its maximum rating. Quote Link to comment Share on other sites More sharing options...
brucegodlesky Posted February 16, 2009 Author Share Posted February 16, 2009 Thanks Hollis. Somewhere I had seen a formula related to belts and I seem to remember a thickness factor. Must have been something else. Quote Link to comment Share on other sites More sharing options...
HWooldridge Posted February 16, 2009 Share Posted February 16, 2009 Bruce, You are quite correct that belt thickness would make a difference on a V-belt setup with grooved pulleys. In that case, you have to figure out the point of contact on the sheave and various belt cross sections would affect final speed. Browning Gear used to have a really good book on figuring belt and pulley sizes - it might be online as a .PDF on their website. Machinery's Handbook also had the same info (at least they did in the 22nd edition). H Quote Link to comment Share on other sites More sharing options...
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