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Stepper Motor: Unipolar/Bipolar, 200 Steps/Rev, 57x56mm, 7.4V, 1 A/Phase

Pololu
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Hersteller:
Pololu
Artikel-Nr.:
EXP-R25-206
Herstellernummer:
1472
Stückzahl:
3

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Garantiertes Versanddatum: 13.12.17, wenn Sie in den nächsten bestellen

45,15 €*

This high-torque hybrid stepping motor has a 1.8° step angle (200 steps/revolution). Each phase draws 1 A at 7.4 V, allowing for a holding torque of 9 kg-cm (125 oz-in). The motor has six color-coded wires terminated with bare leads that allow it to be controlled by both unipolar and bipolar stepper motor drivers. When used with a unipolar stepper motor driver, all six leads are used. When used with a bipolar stepper motor driver, the center-tap yellow and white wires can be left disconnected (the red-blue pair gives access to one coil and the black-green pair gives access to the other coil). We recommend using it as a bipolar stepper motor.

Our 1/4″ universal mounting hub can be used to mount objects on the stepper motor’s 1/4″-diameter output shaft.

Specifications
  • Size: 56.4 mm square × 56 mm, not including the shaft (NEMA 23)
  • Weight: 0.7 kg (25 oz)
  • Shaft diameter: 1/4″ (6.35 mm) “D”
  • Steps per revolution: 200
  • Current rating: 1 A per coil
  • Voltage rating: 7.4 V
  • Resistance: 7.4 Ohm per coil
  • Holding torque: 9 kg-cm (125 oz-in)
  • Inductance: 10 mH per coil
  • Lead length: 12 in
More specifications are available in the datasheet (46k pdf).

Dimensions
The following diagram shows the stepper motor dimensions in mm. The output D-shaft has a 0.25″ (6.35 mm) diameter with a section that is flattened by 0.5 mm (note: the diagram below incorrectly lists this flattened width as 6 mm when it is really 5.85 mm). This shaft works with our 1/4″ universal mounting hub.

Stepper Motor Applications
Stepper motors are generally used in a variety of applications where precise position control is desirable and the cost or complexity of a feedback control system is unwarranted. Here are a few applications where stepper motors are often found:
  • Printers
  • CNC machines
  • 3D printer/prototyping machines
  • Laser cutters
  • Pick and place machines
  • Linear actuators
  • Hard drives
Specifications:
Dimensions
Size: 56.4 mm square × 56 mm1
NEMA size: 23
Weight: 700 g
Shaft diameter: 6.35 mm
General specifications
Shaft type: 1/4 inch "D"
Steps per revolution: 200
Current rating: 2800 mA2
Voltage rating: 2.5 V
Holding torque: 180 oz·in
Resistance: 0.9 Ohm2
Inductance per phase: 2.5 mH
Number of leads: 4
Lead length: 12 in
Notes:
  • 1.Not including the shaft.
  • 2.Per coil.
Documents: