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5-Phase Stepper Motors


RKII Series 5-Phase Stepper Motors (AC Input)

5-Phase Stepper Motors - RKII Series

The RKII series stepper motors are designed to provide high performance and energy savings combined with a high performance, low cost AC Input driver. To achieve constant maximum torque output with lower heat generation and save energy, the motor losses have been substantially reduced allowing them to be operated for longer hours at high speed which is not possible with conventional stepper motors.  For use with RKII Series AC Input Drivers.

  • High-Efficiency Stepper Motors
  • 0.72° (500 pulse/rev)
  • Wide Range of Gear Types for Inertia Matching & Higher Torque
  • New Pentagon Winding
  • Encoder and Electromagnetic Brake Types
  • 5-Phase RKII Series Stepper Motor Drivers Required*


PKP Series 5-Phase Stepper Motors (DC Input)

5-Phase Stepper Motors - PKP Series

The PKP series 5-phase stepper motor offers balanced performance enhanced by high torque, low vibration and low noise.

  • 0.72° (500 pulse/rev) & 0.36° (1000 pulse/rev)
  • New Pentagon Winding
  • Encoders - 500 Lines of Resolution
  • 5-Phase Stepper Motor Drivers Available



Stepper Motor Comparison

Product Series

RKII Series 5-Phase Stepper Motors (AC Input)

PKP Series 5-Phase Stepper Motors (DC Input)

5-Phase Stepper Motors (AC Input)

 

5-Phase Stepper Motors

 

Features

Improved Performance Accuracy
High Efficiency
Low Vibration
Low Noise

High Resolution
Low Vibration
Low Noise

Basic Step Angle

0.72°

0.72°, 0.36°

Driver Power Input

AC

DC

Frame Sizes

1.65 in. (42 mm) NEMA 17
2.36 in. (60 mm) NEMA 24
3.35/3.54 in. (85/90 mm) NEMA 34

1.10 in. (28 mm) NEMA 11
1.65 in. (42 mm) NEMA 17
2.22/2.36 in. (56.4/60 mm) NEMA 23/24

Available Options

Geared Type
Encoder
Electromagnetic Brake

Encoder

Max. Holding Torque

19.8 oz-in up to 460 lb-in

7.3 oz-in up to 290 oz-in

0.14 N·m up to 52 N·m

0.052 N·m up to 2.1 N·m

Learn More

RKII Series 5-Phase Stepper Motors

PKP Series 5-Phase Stepper Motors




 

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High-Efficiency RKII Series Stepper Motors & Drivers


The RKII Series is a high performance energy saving stepper motor and driver package with a great low price. To achieve constant maximum torque output with low heat generation and save energy, the stepper motor and driver losses have been substantially reduced allowing to be operated for longer hours at high speed, which is not possible with conventional stepper motors and drivers. With simple wiring featuring screw-less connectors and side by side driver mounting, installation is easy and saves space.

Operating Principles of a 5-Phase Stepper Motor


With a higher resolution you get a smaller step angle, which in turn reduces vibration. Since the step angle of the 5-phase stepper motor is 2.5 times smaller than the 2-phase the ringing, vibrations, are much lower.

5-Phase Stepper Motor Structure


While the 2-phase motor moves 1/4 tooth pitch each phase. The 5-phase, because of its construction, moves 1/10 of a tooth pitch. Since the pitch is still 7.2°, the step angle is 0.72°. Simply based on construction, the resolution of the 5-phase has 500 steps per revolution versus the 2-phase with 200 steps per revolution. The 5-phase offers a resolution 2.5 times better than that of the 2-phase.

Stepper Motor Video - CCD Camera Positioning


For precision and high accuracy applications, such as positioning a CCD Camera for inspection, Oriental Motor offers a wide range of stepper motor products. Stepper motors are suitable for high accuracy positioning over a short distance and provide high torque even at low speeds. Stepper motors also offer very low vibration and a wide range of features and options such as gearheads, encoders and built-in controllers to meet the specific needs of your application.