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Parker Hannifin/Electromechanical Automation - MPJ High-Torque Servo Motor

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The secret to the MPJ's extra boost of inertia is its special inertia flywheel, which adds from three to 10 times the inertia of a standard MPP servo motor. This flywheel replaces the more expensive gearbox Parker traditionally added to the motor for applications where the customer has a high load-to-rotor inertia mismatch. Now, on applications where customers would normally add a gearhead, they can simply use an MPJ motor, saving money and eliminating the speed constraints normally associated with a gearhead.

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The length of an MPJ is one stack longer than the standard MPP to which the inertia is added. (For example, the length of the MPJ1152 motor is equivalent to that of an MPP1153.) Parker takes the stator and magnet stack of an MPP1152 and inserts it into an MPP1153 housing with an 1153 shaft. The "extra" rotor space on the motor shaft is now filled with an inertia flywheel.

  • MPJ motor features include:

    • Segmented core technology - 40% higher torque
    • Potted stator design - improved thermal efficiency
    • Sizes 92, 100, 115 and 142
    • Continuous torque: 1.3 Nm (12 lb-in) to 20 Nm (173 lb-in)
    • Continuous stall torque: 1.5 Nm (14 lb-in) to 26 Nm (230 lb-in)
    • Peak torque: 5 Nm (44 lb-in) to 82 Nm (726 lb-in)
    • Brushless construction
    • High-performance neodymium magnets
    • Thermistor protection
    • Resolver, incremental encoder, or absolute encoder (single- or multi-turn)
    • 24-volt failsafe brake (optional)
    • Rotatable right-angle PS-style connectors
    • Optional IP65 shaft seal
    • Two-year warranty

  • Common customizations include:

    • Shafts (longer, shorter, diameter change, hollow shafts)
    • Front flange (bolt circle, pilot, NEMA dimensions)
    • Motors coatings (white, PTFE, steel-it grey)
    • Non-standard feedback devices
    • Special connectors
    • Special stator windings

  • More information...

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