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PKP Series 5-Phase Stepper Motors (DC Input)

PKP Series 5-Phase Stepper Motors

PKP Series 5-Phase Stepper Motors (DC Input)

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
  • Motor Cable sold separately (*required)

Stepper Motor Lineup

Frame Size

Motor Types

Available Options

Current per Phase

Lead Wires

Max. Holding Torque

NEMA 11 stepper motors


1.10 in. (28 mm)
NEMA 11 Stepper Motors

Standard Type (0.72°)

-

1.2 A

5

7.3 ~ 12.9 oz-in

0.052 ~ 0.091 N·m

NEMA 17 stepper motors


1.65 in. (42 mm)
NEMA 17 Stepper Motors

Standard Type (0.72°)

Encoder

1.8 A

5

31 ~ 71 oz-in

0.22 ~ 0.5 N·m

High-Resolution (0.36°)

NEMA 23 / NEMA 24 stepper motors


2.22 in. (56.4 mm)
NEMA 23 /
2.36 in. (60 mm)
NEMA 24 Stepper Motors

Standard Type (0.72°)

Encoder

2.4 ~ 3.8 A

5

62 ~ 290 oz-in

0.44 ~ 2.1 N·m

High-Resolution (0.36°)


 

PKP Series Stepper Motors (0.72°)

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

5-Phase Stepper Motors

High Accuracy

In general, stopping accuracy tends to be lower during microstep operation than full step operation and this effect is more noticeable in a 1.8° motor. In this situation, using a 0.72°/0.36° stepper motor along with a CVD 5-phase driver enables a higher positioning accuracy.

Stopping Accuracy:

  • 0.72° = ±0.05° (±3 arcmin)
  • 0.36° = ±0.034° (±2 arcmin)

Low Vibration and Low Noise

Because the basic step angle is small at 0.72° (0.36° for high-resolution type), the vibrations and noise are lower than the 2-phase stepper motor with a basic step angle of 1.8°. Also, vibrations and noise can be further reduced with the use of a 5-phase stepper motor and CVD 5-phase driver..

Direct Replace for 2-Phase Motors

Our 5-phase stepper motors are now available in multiple frame sizes to allow for direct replacement of standard 2-phase motors allowing for increased resolution and lower vibration on your application.

Stepper Motor Frame Sizes

Utilizing Hybrid Stepper Motor Technology

A hybrid stepper motor is a combination of the variable reluctance and permanent magnet type motors. The rotor of a hybrid stepper motor is axially magnetized like a permanent magnet stepper motor, and the stator is electromagnetically energized like a variable reluctance stepper motor. Both the stator and rotor are multi-toothed.

A hybrid stepper motor has an axially magnetized rotor, meaning one end is magnetized as a north pole, and the other end a south pole. Toothed rotor cups are placed on each end of the magnet, and the cups are offset by half of a tooth pitch.

Hybrid Stepper Motor Rotor

High-Resolution Type Stepper Motors (0.36°)

  • 1.65 in. (42 mm)
  • 2.36 in. (60 mm)

High-Resolution

High-Resolution 5-Phase Stepper Motors

The 0.36° high-torque type stepper motors provide 1000 steps per revolution by having 100 teeth on the rotor. This contributes to the highest resolution and lowest vibration.

5-Phase Stepper Motor Rotor

Lowest Vibration

The lowest vibration is achieved using the smallest basic step angle of 0.36°.

High Resolution - Low Vibration

Generates Higher Torque

The high-torque stepper motor generates approx. 1.2 to 1.5 times the torque achieved by the standard motor stepper motor.

5-Phase Stepper Motor Performance


Stop Position Accuracy of 2 Arc Minutes (No Load)

The 0.36° high-torque type stepper motor is designed with a stop position accuracy of 2 arc minutes (0.034°) [standard type: 3 arc minutes (0.05°)]. The reduced error helps improve the positioning accuracy.

5-phase stepper motor accuracy

 

Encoder Equipped Stepper Motors (0.72° or 0.36°)

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

Encoder Type Stepper Motors

encoder type stepper motor

A rotary encoder is an electro-mechanical device that converts the angular position of a shaft to an analog or digital code. There are two main types: absolute and incremental. Oriental Motor offers incremental types (Line Driver or Voltage (TTL equivalent)) as a standard product for our stepper motors. For an absolute encoder solution, use the AZ Series. For other standard product encoder offerings and motors that correct themselves, contact technical support  for assistance.

An incremental encoder provides the incremental change in position of the encoder to the counting electronics. Stepper motors with incremental encoders make it possible to monitor the present position and detect for errors. Position monitoring can be used to detect the position of the motor. For instance, to confirm normal operations, compare commanded position to the actual position.

3-Channel Encoders

Use the Index signal for the return-to-home operation. By using the Index signal, the return-to-home point will be detected with higher accuracy than single use of the return-to-home sensor. The index channel is an optional output channel which provides one pulse per revolution.

Line Driver Output Type

The Line Driver output offers excellent noise resistance because of the differential output and is capable of longer wiring distance compared to the voltage output.

Detecting for Errors

An incremental encoder works by providing an A and B pulse output. The counting is done through external electronics. Here, the encoder counter is compared to the commanded position counter (third party electronics). The point where the counting begins depends on the counter in the external electronics and not on the position of the encoder.

Stepper Motor Encoders

Voltage (TTL Equivalent) or Line Driver Type

R2G & R2GL
500 p/rev
3 Channel
Compact & Space Saving
Oriental Motor Original

Encoder Specifications

Encoder Code

Voltage (TTL Equivalent)

Line Driver

R2G

R2GL

Type

Incremental

Resolution

500 P/R

Output

A-phase, B-phase, Z-phase (3ch)

Input Current

45 mA or less

30 mA or less

Input Voltage

5 VDC ±10%

Output Type

Voltage (TTL equivalent)

Line Driver

Output Voltage

Low

0.5 VDC or less

High

4.3 VDC or more (with no load)

Response Frequency

100 kHz

CVD 5-Phase Drivers

CVD 5-Phase Bipolar Drivers

The CVD 5-phase stepper motor driver offers superior performance and value and is ideal for OEM or single axis machines. The CVD stepper motor drivers offer:

  • Lowest Vibration and Noise with advanced Microstepping control
  • Significantly improves positional accuracy when microstepping
  • Small, thin microstepping drive with space saving FETs
  • Selectable step angle and microstepping filter control
  • Alarms
  • 24 VDC Input
  • 0.35 ~ 3.8 A/Phase

 

SCX11 Universal Controller

universal controller

The SCX11 is a highly-functional and sophisticated controller equipped with program editing and execution functions. Use the SCX11 as a stored program controller to connect to any of Oriental Motor's standard pulse input drivers. The SCX11 is also able to control the motor via serial communications such as USB, RS-232C and CANopen. Accepts encoder inputs.

Motor Cables (*required)

Motor Cable

This lead wire connection cable with a conveniently crimped connector is for connector-coupled motor, and for connecting motors and drivers.

Encoder cables required for encoder type motors.


Flexible Couplings

Flexible Couplings

Flexible couplings provide simple connection to drive shaft and reduce vibration and backlash from the motor.

 

Mounting Brackets

Mounting brackets are convenient for installation and securing a stepper motor or geared stepper motor.


Clean Dampers

Mechanical dampers suppress stepper motor vibration and improve high-speed performance. An inertia body and silicon gel are hermetically sealed in a plastic case.

(For use with Double Shaft motors)

System Configuration

System Configuration


CAD / Manual Search

To locate product CAD and Operator Manuals please search using the product Item Number.

Technical Articles



 

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