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Stepper Motors (Motor Only)


Absolute Encoder Stepper Motors

Absolute Mechanical Encoder Stepper Motors

 

AZ Series Stepper Motors with Mechanical Absolute Encoder

  • 0.79 in. (20 mm) up to 3.54 in. (90 mm)
  • 42 oz-in (0.3 N·m) up to 752 lb-in (85 N·m)
  • 0.36° and Geared

Closed Loop Stepper Motors

Closed Loop Stepper Motors

 

AR Series Closed Loop Stepper Motors

  • 1.10 in. (28 mm) up to 3.54 in. (90 mm)
  • 42 oz-in (0.3 N·m) up to 320 lb-in (37 N·m)
  • 0.36° and Geared

2-Phase Bipolar Stepper Motors

2-Phase Stepper Motors

 

PKP Series 2-Phase Bipolar Stepper Motors

  • 0.79 in. (20 mm) up to 3.54 in. (90 mm)
  • 2.8 oz-in (0.02 N·m) up to 84 lb-in (9.5 N·m)
  • 0.9°, 1.8° and Geared

2-Phase Unipolar Stepper Motors

2-Phase Stepper Motors

 

PKP Series 2-Phase Unipolar Stepper Motors

  • 1.65 in. (42 mm) and 2.22/2.36 in. (56.4/60 mm)
  • 28.32 oz-in (0.2 N·m) up to 35.4 lb-in (4 N·m)
  • 1.8° and Geared

5-Phase Stepper Motors (AC Input)

5-Phase Stepper Motors

 

RKII Series 5-Phase Stepper Motor s (AC Input)

  • 1.65 in. (42 mm) up to 3.54 in. (90 mm)
  • 19.8 oz-in (0.14 N·m) up to 460 lb-in (52 N·m)
  • 0.72° and Geared

5-Phase Stepper Motors (DC Input)

5-Phase Stepper Motors

 

PKP Series 5-Phase Stepper Motors (DC Input)

  • 1.10 in. (28 mm) up to 2.22/2.36 in. (56.4/60 mm)
  • 7.3 oz-in (0.052 N·m) up to 290 oz-in (2.1 N·m)
  • 0.36°, 0.72°


Stepper Motor Comparison

Product Series

AZ Series Closed Loop, Absolute Stepper Motors

AR Series Closed Loop Stepper Motors

PKP Series 2-Phase Bipolar Stepper Motors

PKP Series 2-Phase Unipolar Stepper Motors

RKII Series 5-Phase Stepper Motors

PKP Series 5-Phase Stepper Motors

Closed Loop Absolute Stepper Motors

 

Closed Loop Stepper Motors

 

2-Phase Bipolar Stepper Motors

 

2-Phase Unipolar Stepper Motors

 

5-Phase Stepper Motors (AC Input)

 

5-Phase Stepper Motors

 

Features

Closed Loop,
Mechanical Absolute
Encoder

Closed Loop,
High-Efficiency

High Torque,
Wide Current Range

High Torque,
Wide Current Range

High-Efficiency
5-Phase

High Torque,
Low Vibration, Low Noise

Basic Step Angle

0.36°

0.36°

1.8°, 0.9°

1.8°

0.72°

0.72°, 0.36°

Driver Power Input

AC or DC

AC or DC

DC

DC

AC

DC

Frame Sizes

0.79 in. (20 mm)
1.10 in. (28 mm)
1.65 in. (42 mm)
2.36 in. (60 mm)
3.35/3.54 in. (85/90 mm)

1.10 in. (28 mm)
1.65 in. (42 mm)
2.36 in. (60 mm)
3.35/3.54 in. (85/90 mm)

0.79 in. (20 mm)
1.10 in. (28 mm)
1.38 in.(35 mm)
1.65 in. (42 mm)
2.22/2.36 in. (56.4/60 mm)
3.35/3.54 in. (85/90 mm)

1.65 in. (42 mm)
2.22/2.36 in. (56.4/60 mm)

1.65 in. (42 mm)
2.36 in. (60 mm)
3.35/3.54 in. (85/90 mm)

1.10 in. (28 mm)
1.65 in. (42 mm)
2.22/2.36 in. (56.4/60 mm)

Available Options

Geared Type
Electromagnetic Brake

Geared Type
Electromagnetic Brake

Geared Type
Encoder
Electromagnetic Brake

Geared Type
Encoder

Geared Type
Encoder
Electromagnetic Brake

Encoder

Max. Holding Torque

2.8 oz-in up to 752 lb-in

42 oz-in up to 320 lb-in

2.8 oz-in up to 84 lb-in

28 oz-in up to 35.4 lb-in

19.8 oz-in up to 460 lb-in

7.3 oz-in up to 290 oz-in

0.02 N·m up to 85 N·m

0.3 N·m up to 37 N·m

0.02 N·m up to 9.5 N·m

0.2 N·m up to 4 N·m

0.14 N·m up to 52 N·m

0.052 N·m up to 2.1 N·m

Learn More

AZ Series Closed Loop, Absolute Stepper Motors

AR Series Closed Loop Stepper Motors

PKP Series 2-Phase Bipolar Stepper Motors

PKP Series 2-Phase Unipolar Stepper Motors

RKII Series 5-Phase Stepper Motors

PKP Series 5-Phase Stepper Motors



 

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Order Your FREE PKP 2-Phase Stepper Motor Brochure

Order the AZ Series Brochure

AZ Series Brochure

Parallel Delta Robot Using AZ Series Stepper Motors with Hybrid Control


A compact and lightweight parallel Delta robot that uses AlphaStep AZ Series line of product: 3 AZ Series with harmonic gear stepper motors and 1 EtherCAT compatible multi-axis driver.

AZ Series Stepper Motor Products with Mechanical Absolute Encoder

The AZ Series stepper motor offers high efficiency, low vibration and incorporates our newly developed Mechanical Absolute Encoder for absolute-type positioning without battery back-up or external sensors to buy.

AZ Series Stepper Motors Easy Home Setting

 

How to set the Home position with the all new AZ Series stepper motor with the newly developed absolute mechanical encoder.

AZ Series Stepper Motor Mechanical Absolute Encoder Restart Demo

 

AZ Series Closed Loop Stepper Motor video example of restarting after an emergency power shut down or outage using stored data FLEX driver type.

Features of the CVD 2-Phase Bipolar Stepper Motor Drivers


The CVD driver offers superior performance and value and is ideal for OEM or single axis machines. The CVD is available as a driver only or part of a complete package. The CVD stepper motor drivers offer:

  • Lowest Vibration and Noise with advanced Microstepping control
  • Highest torque with Bipolar configuration (4 lead wire)
  • Small, thin microstepping drive with space saving FETs
  • Selectable step angle and microstepping filter control
  • 2 mounting types and connector configurations
  • Alarms
  • 24 VDC Input / 0.5A to 4.5A

Closed Loop Stepper Motor Product Demo - AR Series


The AR Series of stepper motors and drivers uses Oriental Motor's closed loop control to maintain positioning operation even during abrupt load fluctuations and accelerations. The rotor position detection sensor monitors the rotation. When an overload condition is detected, the AR Series will instantaneously regain control using the closed loop mode. When an overload condition continues, the AR Series will output an alarm signal, thereby providing reliability equal to that of a servo motor.

Stepper Motor Product Demo


The AR Series closed loop stepper motor and driver package uses Oriental Motor's closed loop control to maintain positioning operation even during abrupt load fluctuations and accelerations. The rotor position detection sensor monitors the rotation. When an overload condition is detected, the AR Series will instantaneously regain control using the closed loop mode. When an overload condition continues, the AR Series will output an alarm signal, thereby providing reliability equal to that of a servo motor.