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Thread: Router Speed vs Bit Size
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13th June 2010, 03:23 PM #16
My spindle moulder manual recommends a cutting speed of between 40 and 75 meters per second. I suspect the optimal cutter speed for routers is in the same ball park.
V = C * rpm = Pi * D * rpm
V = surface tangential velocity
C = circumference of cylinder
D = diameter of cylinder
rpm = rotations per minute
Pi = 3.14
V (m/s) = Pi * D (m) * (rpm/60)
eg. 125mm diameter cutter at 8000rpm
Pi * 0.125 * (8000/60)
= 52.36m/sLast edited by nihilism; 13th June 2010 at 03:31 PM. Reason: Added units and example
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