chopthebass Posted November 5, 2006 Report Share Posted November 5, 2006 Hi, I'm building a buffing machine and have been advised to go for a 3hp motor. The problem is I don't know what size pulley wheel I need on the motor shaft or the buffer centre shaft. This will determine what RPM motor to get and what RPM I achieve at the polishing face. Help!! I need to achieve 1400 to 1500 RPM at the polishing face of the mop (as advised by the mop manufacturer), so I need a genius out there to say "you need a motor of xxRPM and pulley diameters of xxxmm". There's bound to be one on this forum! Thanks Ian Quote Link to comment Share on other sites More sharing options...
thegarehanman Posted November 5, 2006 Report Share Posted November 5, 2006 A simple formula for this would be [Motor RPM]x[Motor's pully diameter]x[pi]=[buffing wheel rpm]x[buffing wheel pully diameter]x[pi]. Since pi occurs on both sides you could reduce it to [RPM1]x[dia.1]=[RPM2]x[dia.2] . And since you need 1.5k rpms at the wheel, you can substitute that for RPM2, making it [RPM1]x[dia.1]=[1.5k]x[dia.2] peace, russ Quote Link to comment Share on other sites More sharing options...
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