my AC motor have 2800 rpm but i need 1500 to 1800 rpm which will be variable value.i can control rpm my self 1500 to 1800 which i need.how can i do this?and is this effect on life of motor?
you can get tapered belt drives to do this,or electronic speed controllers ,little or no effect on the motor
Reduce speed on the driven equipment by using reduction drive pulleys. The driven pulley should be twice the diameter of the drive pulley.