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- Manufacturer: Pololu
- Order number: EXP-R25-206
- Manufacturer part number: 1472
- Availability: 3
- country of origin: CN
- HS code: 85011099
- Weight (kg): 0.738
This high-torque hybrid stepping motor has a 1.8° step angle (200 steps/revolution). Each phase... more
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 6.35mm universal mounting hub can be used to mount objects on the stepper motor’s 6.35mm diameter output shaft.
- 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: 30cm
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:
- CNC machines
- 3D printer/prototyping machines
- Laser cutters
- Pick and place machines
- Linear actuators
- Hard drives
|Voltage rating (V):||7,4|
|Current rating (A):||1,0|
|Output shaft (mm):||16|
|Motor length (mm):||56|