You want to increase the speed of the motor, the size of the pulley
Motor pulley should choose between 170 mm to 200 mm, changed after motor power constant, only the torque changed, speak is small enough strength (popular), of course choose power matching the motor,
You can calculate the circumference of a pulley. You do not say that the diameter of the pulley of the motor is impossible to calculate. The diameter of the circumference of the pulley of the motor pulley. The easiest way to do that is to change the extreme number of the motor, not to make the money, to 2
?The diameter of the pulley is 175MM 180MM The power of the motor will be reduced, and the power of the motor will not affect the cut