Our AC motor systems exceed others in broad range torque, power and speed performance. Because we style and build these systems ourselves, we’ve complete 
understanding of what goes into them. Among other activities, we maintain understanding of the components being used, the fit between the rotor and shaft, the electric design, the natural frequency of the rotor, the bearing stiffness ideals, the component stress amounts and the heat transfer data for various parts of the electric motor. This allows us to push our designs to their limits. Combine all of this with our years of field experience relative to rotating machinery integration in fact it is easy to observe how we can give you the ultimate benefit in your powerful equipment.
We have a huge selection of standard styles of powerful motors to pick from in an array of cooling and lubrication configurations. And we lead the market in lead times for delivery; Please note that we possess the ability to provide custom styles to meet your unique power curve, speed efficiency and user interface requirements. The tables below are performance characteristics for standard motor configurations; higher power, higher quickness, and higher torque amounts may be accomplished through custom design.
Externally, the Zero-Max Adjustable Speed Drive includes a rugged, sealed cast case, an input shaft, output shaft and speed control. Acceleration of the result shaft is regulated exactly and easily through a control lever which includes a convenient locking mechanism or a screw control to hold acceleration at a desired establishing. Adjustable speed drive versions are available with output in clockwise or counter-clockwise rotation to meet individual speed control requirements. Two adjustable speed drive models are equipped with a reversing lever that allows clockwise, neutral and counter-clockwise operation.
The overall principle of operation of Zero-Max Adjustable Acceleration Drives gives infinitely adjustable speed by changing the distance that four or even more one-way clutches rotate the output shaft if they move back and forth successively. The amount of strokes per clutch per minute depends upon the input quickness. Since one rotation of the input shaft causes each clutch to move backwards and forwards once, it is readily obvious that the input speed will determine the amount of strokes or urgings the clutches give the output shaft each and every minute.
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