Description
NEMA Rotary Stepper Motor Product Description
This series of NEMA standard rotary stepper motors strictly complies with the unified dimensional specifications of the National Electrical Manufacturers Association. The full range covers NEMA 11, NEMA 17, NEMA 23, and NEMA 34 models, corresponding to the mainstream 28mm, 42mm, 57mm, and 86mm stepper motors on the market. All models feature standardized and universal mounting dimensions, enabling direct replacement and strong compatibility across different brands. Adopting high-quality winding coils and precision mechanical structures, the motors come with a standard 1.8° step angle and support half-step and multi-microstep driving modes to greatly improve positioning accuracy. With zero cumulative error, stable operation and low noise, they can realize precise forward and reverse rotation, speed regulation and fixed-point positioning.
The product lineup covers a complete power range from micro to industrial grades, including 5V low-voltage geared motors and 12V/24V industrial universal motors. It works stably with mainstream driver modules such as ULN2003, A4988, and TB6600. Featuring solid construction and excellent load-bearing capacity, the motors deliver progressively increased holding torque across different specifications, suitable for both light-duty precision transmission and heavy-duty industrial operation. Equipped with reliable wide-temperature adaptability and basic dustproof performance, these motors maintain stable performance in diverse working environments.
Compatible with multiple control methods including single-chip microcomputers, PLCs, and serial port web control, this series of stepper motors is widely applied in 3D printing, intelligent PTZ cameras, smart home transmission systems, small valve control, engraving machines, automated production lines and other civilian and industrial fields. It serves as a core universal accessory for high-precision automatic control and intelligent equipment transmission systems.
Specification
| Category | Parameter Name | Specification |
| Basic Info | NEMA Standard Model | NEMA 11, NEMA 17, NEMA 23, NEMA 34 |
| Domestic Model | 28mm, 42mm, 57mm, 86mm Stepper Motor | |
| Motor Type | 2-phase 4-wire / 2-phase 6-wire / 4-phase 5-wire Rotary Stepper Motor | |
| Flange Size | 28×28mm / 42×42mm / 57×57mm / 86×86mm (NEMA Standard) | |
| Shaft Diameter | 3mm, 4mm, 5mm, 6.35mm, 8mm | |
| Electrical Parameters | Rated Voltage | DC 5V / 12V / 24V |
| Phase Current | 0.3A, 1.2A, 2.0A, 3.0A | |
| Phase Resistance | 5Ω ~ 30Ω | |
| Phase Inductance | 8mH ~ 40mH | |
| Driving Mode | Full Step, Half Step, 1/4, 1/8, 1/16 Microstep | |
| Mechanical Performance | Standard Step Angle | 1.8°/step (Standard), 0.9°/step (High Precision) |
| Gear Ratio (Gear Motor) | 1:16, 1:32, 1:64, 1:120 | |
| Gear Reducing Step Angle | 5.625°/64 (28BYJ-48) | |
| No-load Rated Speed | 0 ~ 1500rpm | |
| Torque Parameters | Holding Torque | 8N.cm(NEMA11), 40N.cm(NEMA17), 120N.cm(NEMA23), 300N.cm(NEMA34) |
| Static Torque | Maximum locked-rotor bearing torque | |
| Wiring & Driver | Wire Specification | 4-wire / 5-wire / 6-wire / 8-wire |
| Wire Definition | A+, A-, B+, B- | |
| Compatible Driver | ULN2003, A4988, DRV8825, TB6600 | |
| Environmental Parameters | Working Temperature | -20℃ ~ +60℃ |
| Protection Grade | IP20 | |
| Application | PTZ rotation, camera steering, 3D printing, smart home, industrial automation equipment |
Product Applications
1. Smart Home & Intelligent Devices
Widely used for smart PTZ cameras, automatic monitoring rotation stands, intelligent window openers, electric valves, smart exhibition displays, and decorative rotating devices. The motors deliver smooth and low-noise rotation with precise angle positioning, meeting the fine motion control demands of civilian smart devices.
2. 3D Printing & Desktop Machinery
NEMA 17 stepper motors are core driving parts for FDM 3D printers, responsible for X/Y/Z axis movement and material feeding. They support multi-microstep driving, ensuring high printing accuracy and stable layer stacking, perfectly adapted to desktop precision printing equipment.
3. Automation & Conveying Equipment
NEMA 23 and NEMA 34 high-torque stepper motors are suitable for small and medium-sized automated production lines, belt conveying equipment, automatic sorting machines, and linear sliding table modules. They provide stable torque output and accurate stepping positioning to ensure consistent equipment operation.
4. Engraving & Processing Machinery
Applicable to mini laser engravers, CNC carving machines, drilling and milling auxiliary equipment. The zero cumulative error feature effectively guarantees the processing accuracy of patterns and workpieces, applicable to small batch precision processing scenarios.
5. Industrial Control & Testing Equipment
Matched with PLC and single-chip microcomputer control systems, the motors are widely used in laboratory testing rotating platforms, industrial angle adjustment mechanisms, automatic detection equipment and other industrial precision control scenarios, supporting long-term stable continuous operation.
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