NEMA 17 Stepper Motor 42mm with 1.8° Step Angle and 3.7-139 Gear Ratio for Robotics
Price:
$18~28/unit
MOQ:
1unit
Delivery Time:
7-30 work days
Brand:
WEIGU
Product Description
NEMA 17 Geared Stepper Motor Overview
This 42mm NEMA 17 stepper motor features a precise 1.8° step angle and high-torque planetary gearbox, specifically engineered for robotics joint applications. The 2-phase design delivers exceptional positional accuracy while the compact 42mm frame fits seamlessly into space-constrained robotic designs.
Key Features
- 1.8° step angle for precise positional control
- High-torque planetary gearbox with ratios from 3.7:1 to 139:1
- Compact 42mm frame for space-constrained applications
- 2-phase design with holding torque up to 1.2 kg.cm
- Available in 0.9° step angle configuration
- Custom development support for driving/control devices
General Specifications
| Product Name | NEMA 17 Gearbox Stepper Motor |
| Model | 42BYGH34-G |
| Gear Ratio Range | 1:3.7 to 1:139 |
| Number of Phases | 2 Phases |
| Step Angle | 1.8°/Step |
| Coil Resistance | 10Ω ±10% |
| Phase Inductance | 12 ±20% mH |
| Holding Torque | 1.2 kg.cm |
| Insulation Class | Class B |
| Weight | 0.25 kg |
| OEM & ODM Service | Available |
Gearbox Performance Data
| Reduction Ratio | Gear Trains | Length (L2) mm | Max Rated Torque kg.cm | Short Time Permissible Torque kg.cm | Weight g |
|---|---|---|---|---|---|
| 3.71 | 1 | 27.3 | 20 | 40 | 350 |
| 5.18 | 1 | 27.3 | 20 | 40 | 350 |
| 13.76 | 2 | 35 | 30 | 60 | 450 |
| 19.2 | 2 | 35 | 30 | 60 | 450 |
| 26.8 | 2 | 35 | 30 | 60 | 450 |
| 51 | 3 | 42.7 | 40 | 80 | 550 |
| 71 | 3 | 42.7 | 40 | 80 | 550 |
| 99.5 | 3 | 42.7 | 40 | 80 | 550 |
| 139 | 3 | 42.7 | 40 | 80 | 550 |
Mechanical Dimensions
Typical Applications
- Robotics Joints and Articulation Systems
- 3D Printers and CNC Machines
- Textile Equipment and Packing Machines
- Medical Equipment and Fluid Control Systems
- Conveyor Systems and Vending Machines
- Gate Openers and Engineering Vehicles
- Office Automation and Financial Equipment
- Automatic Control Systems and New Energy Applications
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Yancheng Weigu Intelligent Technology Co., Ltd.
Location
No. 108-1, Chengxiang East Road, Dagang Town, Yancheng City, Yandu District, Jiangsu Province
Contact Person
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