Precision 0.9° Stepper Motor - NEMA 17 (42mm), 4 Leads, 10V 0.5A for CNC/3D Printing
This high-precision NEMA 17 stepper motor features a 0.9° step angle for ultra-smooth motion control, making it perfect for CNC machines, 3D printers, and robotics. With a compact 42mm frame, 4-wire configuration, and low-power operation (10V, 0.5A), it delivers exceptional accuracy and reliability in demanding applications.
Key Features:
✔ 0.9° Step Angle – Provides finer resolution for precision movements
✔ NEMA 17 Standard (42mm Frame) – Easy integration with common motion systems
✔ 4-Wire Bipolar Design – Simple wiring and efficient performance
✔ Low Power Consumption (10V, 0.5A) – Energy-efficient operation
✔ Low Vibration & Noise – Ensures smooth, quiet performance
Applications:
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3D Printers (Extruder control, precise axis movement)
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CNC Machines (High-detail milling, engraving)
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Robotics & Automation (Articulated arms, linear actuators)
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Medical & Lab Equipment (Precision positioning systems)
Designed for makers, engineers, and manufacturers, this stepper motor offers superior motion control at an affordable price. Custom winding and shaft options available upon request.
Genaral Specification:
| Item | Specifications |
| Step Angle | 0.9° |
| Step Angle Accuracy | ±5%(full step,no load) |
| Resistance Accuracy | ±10% |
| Inductance Accuracy | ±20% |
| Temperature Rise | 80℃max |
| Ambient Temperature | -20℃~+50℃ |
| Insulation Resistance | 100 MΩ Min. ,500VDC |
| Dielectric Strength | 500VAC for 1minute |
| Shaft Radial Play | 0.02Max. (450g-load) |
| Shaft Axial Play | 0.08Max. (450g-load) |
Electrical Specification:
| | Step Angle | Motor Length | Current/Phase | Resistance/Phase | Inductance/Phase | Holding Torque | Number of leads | Detent Torque | Rotor Inertia |
| (°) | (mm) | (A) | (Ω) | (mH) | (kg.cm) | (No.) | (g.cm) | g.cm2 |
| 42BYGH34-1334 | 0.9 | 34 | 1.33 | 2.1 | 2.5 | 2.2 | 4 | 120 | 34 |
| 42BYGH34-0406 | 0.9 | 34 | 0.4 | 24 | 15 | 1.6 | 6 | 120 | 34 |
| 42BYGH34-0956 | 0.9 | 34 | 0.95 | 4.2 | 2.5 | 1.6 | 6 | 120 | 34 |
| 42BYGH40-0406 | 0.9 | 40 | 0.4 | 30 | 30 | 2.6 | 6 | 150 | 54 |
| 42BYGH40-1684 | 0.9 | 40 | 1.68 | 1.65 | 3.2 | 3.6 | 4 | 150 | 54 |
| 42BYGH40-1206 | 0.9 | 40 | 1.2 | 3 | 2.7 | 2.9 | 6 | 150 | 54 |
| 42BYGH48-0406 | 0.9 | 48 | 0.4 | 30 | 25 | 3.1 | 6 | 260 | 68 |
| 42BYGH48-1684 | 0.9 | 48 | 1.68 | 1.65 | 2.8 | 4.4 | 4 | 260 | 68 |
| 42BYGH48-1206 | 0.9 | 48 | 1.2 | 3.3 | 2.8 | 3.17 | 6 | 260 | 68 |
| Above only for representative products, products of special request can be made according to the customer request. |
Mechanical Dimension:MM
Yancheng Weigu Intelligent Technology Co., Ltd.
Yancheng Weigu Intelligent Technology Co., Ltd. is located in Yancheng City,
Jiangsu Province, is an influential micromotor product research and
development, design, production and manufacturing enterprises, with
two production bases in Changzhou and Yancheng. Our products include: hybrid stepper motor, brushless motor,
permanent magnet stepper motor, linear motor, integrated motor,
controller, encoder. Weigu Intelligent Technology has been adhering to the people-oriented,
adhering to the concept of "forge ahead, quality first", with the
support of professional technical team, select raw materials, use
excellent technology, implement strict quality management. In the
future, through continuous investment in innovation and resource
integration, weigu Intelligent will provide customers with more diversified and
personalized products to achieve mutual benefit and win-win
situation..
