NEMA 23 Closed Stepping Motor 1.2N.m 57×57×54mm For CNC Machine Tool
Encoders help achieve smooth acceleration and deceleration, reducing impact and vibration. Encoders can help monitor motor output torque to ensure sufficient torque is provided in specific applications.
Key Features
- High torque and high precision
- Established in China for 12 years with over 800 customers served
- Professional R&D and manufacturing
- Accept contract manufacturing
Motor Specifications
| Step Angle | 1.8° |
| Frame Size | 57 mm |
| Number of Phase | 2 Phase |
| Rated Current | 2.5 A |
| Holding Torque | 1.2 N.m |
| Resistance | 1.2 ohm |
| Inductance | 4.2 mH |
| Rotor Inertia | 260 g-cm² |
| Motor Weight | 0.6 kg |
| Number of Leads | 4 |
| Connection | Bipolar |
Appearance
Dimensions
Operating Specifications
| Step Angle | 1.8° |
| Maximum Temperature | 80°C maximum |
| Ambient Temperature | -20°C to 50°C |
| Storage Temperature | -20°C to 100°C |
| Humidity Range | 85% or less, non-condensing |
| Magnet Wire Insulation | Class B 130°C |
| Insulation Resistance | 100M Ohm at 500 VDC |
| Dielectric Strength | 500 VDC for 1 min |
Submodels
| Model | Holding Torque | Step Angle | Length | Type of Shaft | Rated Current |
| 57SHD4013-21B | 0.6N.m | 1.8° | 41mm | D Shaft-21mm | 1.0A |
| 57SHD4415-21B | 1.1N.m | 1.8° | 54mm | D Shaft-21mm | 3.0A |
| 57SHD4816-21B | 2.0N.m | 1.8° | 76mm | D Shaft-21mm | 3.0A |
| 57SHD4913-21B | 2.5N.m | 1.8° | 83mm | D Shaft-21mm | 3.0A |
| 57SHD4934-20B | 3.0N.m | 1.8° | 100mm | D Shaft-20mm | 3.0A |
Customization Options
If our standard motor cannot meet your needs, we can customize the motor according to your requirements. Customized content includes but is not limited to special shafts, winding parameters, installation dimensions, lead wires with special requirements, connectors, etc.
Encoder
Brake
Gearbox
Shaft
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