Reference: RBD-0573
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The 42BYGH40 2-Phase 4-Wire Stepper Motor is a robust hybrid stepper motor designed for precision-driven applications such as 3D printers and CNC machines. Delivering a strong holding torque of 3.5kg·cm, this motor ensures reliable and stable performance in demanding environments. With a step angle of 1.8°, it provides accurate positioning and smooth operation, making it ideal for projects requiring high precision. It comes equipped with a 50cm cable and a 4-pin JST connector, fully compatible with Ultimaker control boards for easy integration. Rigorously tested under continuous operation for three months, this motor has proven its long-term reliability and is highly recommended for the maker community. Its compact 42x42x40mm size and durable construction make it a perfect fit for custom CNC or DIY 3D printer builds. Featured By RoboticsBD.
Product Images are shown for illustrative purposes only and may differ from the actual product.
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High-performance 2-phase 4-wire hybrid stepper motor for CNC and 3D printing.
Provides 3.5kg·cm holding torque for stable and accurate motion control.
Step angle of 1.8° with ±5% accuracy ensures precise movements.
Tested for endurance with continuous 3-month operation in real-world setups.
Compact 42x42x40mm design suitable for various printer and CNC frameworks.
Easy installation with 50cm cable and 4-pin JST connector compatible with Ultimaker boards.
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3D printers (MakerBot, Ultimaker, DIY builds).
CNC machines requiring precise and reliable stepper control.
Robotics projects demanding accurate step positioning.
Automation systems for prototyping and manufacturing.
Educational and research applications involving motion control.
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| General Specifications | |
| Model No. | 42BYGH40-1.8-22A |
| Step Angle | 1.8° ±5% |
| Phases | 2 |
| Rated Voltage | 3.4V |
| Rated Current | 1.7A/Phase |
| Holding Torque | 3.5kg·cm (48.6 oz/in) |
| Detent Torque | 180g·cm |
| Shaft Diameter | 5mm (0.2") |
| Winding Resistance | 2Ω ±10%/Phase |
| Winding Inductance | 2mH ±20%/Phase |
| Max Flux Linkage | 1.8 Vs |
| Maximum Detent Torque | 0.016 N·m |
| Total Inertia | 3.5 kg·m·m |
| Total Friction | 4 kg·m/s |
| Step Angle Accuracy | ±5% (full step, no load) |
| Temperature Rise | ≤80°C (rated current, 2 phase on) |
| Ambient Temperature | -20°C ~ +50°C |
| Insulation Class | B |
| Life Expectancy | 6000 hours |
| Cable Length | 50cm |
| Dimensions | 42x42x40mm (1.65x1.65x1.57") |
| Weight | 270g |
| Shipment Weight | 0.0013 kg |
| Shipment Dimensions | 5 × 5 × 2 cm |
Please allow 5% measuring deviation due to manual measurement.
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1 x 42BYGH40 2-Phase 4-Wire Stepper Motor for 3D Printers
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