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TurboDisc™ Stepper Motors
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Catalog excerpts

TurboDisc™ Stepper Motors - 1

TurboDisc™ Stepper Motors The TurboDisc provides exceptional dynamic performance unparalleled by any other stepper on the market. The unique TurboDisc Motor Basics thin disc magnet enables finer step resolutions in the same diameter, significantly higher acceleration and greater top end speed than conventional steppers. TurboDisc excels in applications that require the precision of a stepper and the speed/acceleration of a DC motor. How to select your TurboDisc motor TurboDisc Specifications Where to apply TurboDisc motors

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TurboDisc™ Stepper Motors - 2

Why a TurboDisc motor Stator w/windings Disc Magnet Innovation & Performance A technology providing unique results. At its heart there is the rotor, a thin disc or rare earth magnet material. Portescap’s unique design allows for axial magnetizing with a high number of poles, Your custom motion solution • intered or ball bearings S and for optimizing the magnetic circuit with a corresponding reduction of losses. The quantum leap of this state-of-the-art • haft modifications – increase/decrease length, knurling S technology developed by Portescap is extremely high dynamic performance...

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TurboDisc™ Stepper Motors - 3

TurboDisc Motor Basics The High Performance Disc Magnet Technology The exceptional possibilities offered by the Turbo Disc line of Such a rotor design has a very low moment of inertia, resulting in disc magnet stepper motors are unequalled by any other kind of outstanding acceleration and dynamic behavior. These features, stepper motor. The advanced technology, developed and patented together with high peak speeds, mean that any incremental by Portescap, allows for truly exceptional dynamic performance. movement is carried out in the shortest possible time. Low The rotor of these motors...

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TurboDisc™ Stepper Motors - 4

How to select your TurboDisc stepper TurboDisc Motor Torque Range P010 P110 Continuous torque Peak torque TurboDisc Motor Designation P Internal Code Code of length Number of rotor pole pairs Code of diameter Motor version of full/ half-step = 2 Motor version of microstep = 0 Motor execution code Particular option Number of connections or terminal wires

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TurboDisc™ Stepper Motors - 5

Explanation of Specifications MOTOR PART NUMBER RATED VOLTAGE Voltage rating of motor - motor can be run continuously at this voltage Winding resistance dictated by magnet wire diameter and # of turns Winding inductance dictated by magnet wire diameter and # of turns RATED CURRENT PER PHASE * Current rating of motor - motor can be run continuously at this current BACK-EMP AMPLITUDE The torque constant of the motor - the back EMF generated by the motor when externally spun at 1000 steps per second HOLDING TORQUE, TYPICAL * When energized, the amount of torque to move from one mechanical step...

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TurboDisc™ Stepper Motors - 6

P010 064 015 /P110 064 003 Pull-Out Torque vs Speed • Full step, bipolar voltage Pull-Out Torque Pull-In Torque Definitions Pull-Out Torque The amount of torque that the motor can produce at speed without stalling Pull-In Torque The amount of torque that the motor can produce from zero speed without stalling # of pulses per second provided to the motor, also stated in revolutions per minute Voltage applied to the drive Current applied to the drive Chopper type drive - current controlled to the motor winding

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TurboDisc™ Stepper Motors - 7

Where to apply your TurboDisc stepper The TurboDisc stepper provides the highest torque to inertia ratio and is ideal for applications requiring, fast and precise positioning. Focus On: Medical Analyzer Portescap’s challenge for the application was to provide maximum torque in a small diameter package. The higher speed capability of the TurboDisc allowed a higher gear ratio to be utilized, yielding an increase in output torque at the desired speed. The disc magnet design creates quick response time for the motor, increasing the throughput of the machine. Textile • Yarn monitoring system •...

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TurboDisc™ Stepper Motors - 8

Miniature Motors Motor and sensor phase signals in electrical degrees for PP520 (CW operation as viewed from front of motor)

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