How does the pulley speed of the belt calculate
A small pulley with a diameter of 85mm (from the wheel) to 2900x155/85 = 5288 (RPM) A small pulley with a diameter of 77mm (from the wheel) to 2900x137/77 = 5160 (RPM) Which of the two is faster to see.
(motor pulley diameter) X: Y (spindle pulley diameter) : the first paragraph 27 mm: 39 mm second paragraph 19 mm: 46 mm ratio are respectively 0.7:1, 0.4:1 highest spindle speed ratio is (motor speed of 4000 r) 4000 turn 1600 turn based on the measured data, design equations are as follows: (* 3.14 X) / 2 + (Y * 3.14) / 2 = 102 X/Y = (need spindle speed / 4000) : (rounded) is obtained by simplified X + Y = 65 X/Y = (4000) need to spindle speed/put X = 65 - generation Y to X/Y = the spindle speed / 4000 (need) to calculate the value of Y, which is what we need the diameter of the spindle pulley.
And then you put the Y value in X plus Y is equal to 65 and you get the diameter of the motor pulley. Is obtained by the calculation of the above I need a set of 3 period of variable speed pulley diameter respectively: X: Y 16:49:30 to 35 42:24 highest spindle speed is respectively: 1200 turn, low speed high torque, with increase of the diameter of the tools (maximum 10 mm), can be heavy machining steel material can be processed (). 3, 500 RPM, medium speed medium torque, can be used medium diameter cutter (maximum 6mm), can undertake medium cutting processing (can process aluminum alloy, copper and other soft metal). 7000 RPM, low torque.
