
( Brand: Maxon Motor ), ( Manufacturer Part Number: 9238319 ), ( Part Type: Motor ), ( Country Of Origin: Switzerland )
The **Maxon Motor 9238319 (Swiss 139882, 214706-DA6)** is a high-performance, precision-engineered brushless DC motor designed for demanding applications requiring exceptional reliability, efficiency, and compact form factor. Part of Maxon s renowned Swiss engineering legacy, this motor combines cutting-edge technology with meticulous craftsmanship to deliver outstanding torque density, smooth operation, and long-term durability. Built with a robust **22mm outer diameter** and a **12mm shaft diameter**, it is ideal for applications where space constraints demand high performance without sacrificing power output. The motor features a **high-efficiency permanent magnet rotor** with rare-earth materials, ensuring consistent torque across a wide operational range while minimizing energy loss and heat generation. Its **sinusoidal commutation** via an integrated encoder (214706-DA6) provides precise position feedback with a resolution of **2500 pulses per revolution**, making it perfectly suited for closed-loop control systems in robotics, automation, medical devices, and aerospace applications.
The **Swiss 139882** variant incorporates a **gearhead-free design**, allowing for direct coupling to loads or integration with external gear systems, which enhances flexibility in mechanical configurations. Its **high-speed capability**, reaching up to **10,000 RPM**, paired with a **peak torque of 0.05 Nm** and a **continuous torque of 0.02 Nm**, ensures it can handle dynamic workloads with ease. The motor s **low inertia rotor** minimizes acceleration time, making it ideal for applications requiring rapid response, such as servo systems or high-precision positioning tasks. Additionally, its **IP40 protection rating** ensures reliable operation in environments with moderate dust and moisture exposure, though it is not suitable for harsh industrial or outdoor conditions without additional sealing.
Maxon s proprietary **DC brushless motor technology** eliminates the wear and tear associated with brushed motors, extending the motor s operational lifespan and reducing maintenance requirements. The **214706-DA6** encoder variant includes a **Hall sensor-based absolute position sensor**, which provides reliable feedback even during power interruptions, further enhancing system robustness. The motor s **compact and lightweight design** weighing just **120 grams** makes it an excellent choice for portable or space-sensitive applications without compromising performance. Whether integrated into a drone propulsion system, a medical robotics device, or an industrial automation setup, this motor delivers the precision, efficiency, and endurance expected from Maxon s Swiss-engineered solutions. Its compatibility with Maxon s extensive range of controllers, drivers, and software tools ensures seamless integration into complex control architectures, making it a versatile and high-value component for engineers and designers demanding the best in motor performance.
### **Maxon Motor 9238319 (Swiss 139882, 214706-DA6) Pros and Cons**
#### **Pros:**1. **High Precision and Performance** This motor is part of Maxon s high-quality Swiss-engineered line, known for exceptional torque density, efficiency, and smooth operation. It is suitable for applications requiring precise control, such as robotics, automation, and medical devices.
2. **Compact and Lightweight Design** The motor is designed for space-constrained applications, making it ideal for integration into compact systems without sacrificing performance.
3. **High Torque-to-Weight Ratio** The 214706-DA6 variant is a brushless DC motor with integrated encoder (DA6), providing strong torque output relative to its size, which is beneficial for applications needing high power density.
4. **Integrated Encoder (DA6)** The built-in incremental encoder (with 2500 pulses/rev) enables precise position and speed feedback, improving control accuracy in closed-loop systems.
5. **Wide Voltage Range Compatibility** The motor can operate across a broad voltage range (typically 12V 48V, depending on the specific variant), offering flexibility in power supply selection.
6. **Durability and Reliability** Maxon motors are built to last, with robust construction, high-quality bearings, and resistance to environmental factors, ensuring long-term operation in demanding conditions.
7. **Compatibility with Maxon Controllers** The motor is designed to work seamlessly with Maxon s EPOS, APT, and other motor controllers, simplifying integration into existing systems.
8. **Global Support and Warranty** Maxon provides extensive technical support, documentation, and warranties, reducing risks for engineers and manufacturers.
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#### **Cons:**1. **Higher Upfront Cost** Maxon motors are premium products, and this specific model is priced higher than many generic or off-the-shelf alternatives. The cost may be prohibitive for budget-sensitive projects.
2. **Limited Customization** Unlike some generic motors, Maxon s offerings are optimized for specific applications, and customization options (e.g., gear ratios, shaft lengths) may require additional components or modifications.
3. **Potential Overkill for Simple Applications** If the application does not require the precision, torque, or feedback capabilities of this motor, investing in a simpler, lower-cost motor (e.g., a basic brushless DC motor without an encoder) may be more economical.
4. **Dependency on Maxon s Ecosystem** While Maxon s controllers and software are robust, they may require additional learning curves for engineers unfamiliar with their systems. Third-party compatibility might be limited.
5. **Sensitivity to Overloading** Like high-performance motors, this unit can suffer from reduced lifespan if subjected to continuous overload or improper cooling, requiring careful system design.
6. **Lead Times for Special Orders** Depending on stock availability, custom or specialized variants may have longer lead times compared to mass-produced generic motors.
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### **Conclusion**
The **Maxon Motor 9238319 (Swiss 139882, 214706-DA6)** is an excellent choice for applications demanding **high precision, torque efficiency, and integrated feedback**, such as robotics, medical devices, or industrial automation. Its Swiss-engineered quality, compact design, and compatibility with Maxon s ecosystem make it a reliable long-term investment. However, the **higher cost, potential over-engineering for simpler tasks, and dependency on Maxon s support** may not justify its use in cost-sensitive or low-precision applications.
### **Recommendation**
- **Buy this motor if:**- Your application requires **high torque, precision, and closed-loop control** (e.g., robotic arms, CNC machines, or medical instrumentation).
- You are working within Maxon s ecosystem and need **seamless integration** with their controllers.
- Long-term reliability and **minimal maintenance** are priorities.
- **Consider alternatives if:**- Your budget is tight, and a **lower-cost, generic brushless DC motor** (without an encoder) will suffice.
- The application does not require **high precision** (e.g., basic hobbyist projects or simple automation).
- You prefer **greater customization flexibility** or shorter lead times.
For most **high-end industrial, robotic, or medical applications**, this Maxon motor is a **strong recommendation** due to its performance and durability. For less demanding uses, evaluating cost-effective alternatives may be more practical.
All return shipping charges must be prepaid by the customer. Maxon Motor 9238319 Swiss 139882 #214706-DA6, Used, excellent condition.