These spindles have an in built electric motor, wherein the speed of the motor is proportional to the frequency of the electric supply. The variation in frequency is achieved from a static frequency inverter. Hybrid bearings with ceramic balls are used if the specification demandmore...
High Speed, Water Cooled High Frequency Built in Motor Spindles for Light Milling and Engraving. 800watts to 5.5kw. Ready Stock Available. these Spindles Can Be Re Placed On Old Routers and Engraving Machines. more...