Technical Review: Yaskawa SGMAH-02B1A41 Servo Motor - Selection Guide & Specs
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Overview: Precision Motion Control Solution
The Yaskawa SGMAH-02B1A41 servo motor addresses the critical industrial challenge of achieving precise, repeatable motion control in automated manufacturing systems. This compact yet powerful servo motor eliminates positioning errors and vibration issues that plague traditional motor systems, delivering exceptional accuracy for applications requiring high-speed positioning and smooth operation. As part of Yaskawa's renowned Sigma-5 series, this motor represents the cutting edge of servo technology for industrial automation.
Technical Specifications Analysis
The SGMAH-02B1A41 is engineered for demanding industrial environments, featuring advanced design elements that ensure reliable performance under continuous operation. Its compact form factor makes it ideal for space-constrained applications while delivering impressive power density.
| Specification | Value | Description |
|---|---|---|
| Motor Type | AC Permanent Magnet Synchronous | Sigma-5 series with high-efficiency design |
| Rated Output | 200W | Continuous power rating for sustained operation |
| Rated Torque | 0.64 N·m | Continuous torque at rated speed |
| Maximum Torque | 1.91 N·m | Peak torque for acceleration/deceleration |
| Rated Speed | 3000 rpm | Optimal operating speed range |
| Maximum Speed | 5000 rpm | Peak speed capability |
| Encoder Resolution | 20-bit (1,048,576 pulses/rev) | Ultra-high precision position feedback |
| Frame Size | 40mm square | Compact design for space-constrained applications |
| Shaft Diameter | 8mm | Standard keyed shaft for coupling compatibility |
| Protection Class | IP65 | Dust-tight and protected against water jets |
| Insulation Class | Class F | High-temperature insulation for demanding environments |
| Weight | 0.9 kg | Lightweight construction for reduced inertia |
Key Performance Features
The SGMAH-02B1A41 incorporates several advanced technologies that set it apart from conventional servo motors. The Sigma-5 series features Yaskawa's proprietary vibration suppression control, which significantly reduces settling time and improves positioning accuracy. The motor's high-resolution encoder provides exceptional position feedback, enabling precise control in applications such as robotics, CNC machines, and automated assembly systems.
The motor's compact design doesn't compromise on performance. With a high torque-to-inertia ratio, it delivers rapid acceleration and deceleration, making it ideal for applications requiring frequent start-stop cycles. The IP65 protection rating ensures reliable operation in environments with dust, oil mist, and occasional water exposure.
Buying Considerations: Selection Guide
When selecting the Yaskawa SGMAH-02B1A41 servo motor for your application, consider these critical factors:
1. Load Requirements Analysis: Calculate your application's torque requirements, including continuous torque for sustained operation and peak torque for acceleration/deceleration phases. The SGMAH-02B1A41 provides 0.64 N·m continuous torque and 1.91 N·m peak torque, suitable for small to medium-sized automation equipment.
2. Speed and Inertia Matching: Ensure the motor's rated speed (3000 rpm) and maximum speed (5000 rpm) match your application requirements. Consider the load inertia ratio – for optimal performance, the load inertia should typically be within 10 times the motor inertia.
3. Environmental Conditions: The IP65 rating makes this motor suitable for industrial environments with dust and occasional water exposure. For harsher conditions, consider additional protection or enclosure options.
4. Compatibility with Drive Systems: This motor requires compatible Yaskawa Sigma-5 series servo drives for optimal performance. Ensure your control system can interface with the motor's 20-bit encoder feedback.
5. Mechanical Integration: The 40mm square frame and 8mm keyed shaft require appropriate mounting hardware and couplings. Consider the available space in your machine design.
6. Thermal Management: While the Class F insulation allows operation at higher temperatures, ensure adequate cooling in continuous duty applications to maintain optimal performance and longevity.
Frequently Asked Questions
Q1: What type of encoder does the SGMAH-02B1A41 use, and what are its benefits?
The SGMAH-02B1A41 features a 20-bit absolute encoder (1,048,576 pulses per revolution). This ultra-high resolution provides exceptional position feedback accuracy, enabling precise positioning control. The absolute encoder eliminates the need for homing sequences after power loss, as it maintains position information even when powered off.
Q2: Can this servo motor be used with non-Yaskawa drives?
While technically possible with appropriate interface modules, optimal performance is achieved when paired with Yaskawa Sigma-5 series servo drives. These drives are specifically tuned to work with the motor's characteristics and provide access to advanced features like vibration suppression control and adaptive tuning algorithms.
Q3: What maintenance is required for this servo motor?
The SGMAH-02B1A41 is designed for minimal maintenance. Regular inspections should include checking for abnormal noise or vibration, verifying proper ventilation, and ensuring connector integrity. The motor features sealed bearings that typically don't require lubrication during their service life. For optimal performance in demanding applications, periodic thermal monitoring and cleaning of ventilation paths are recommended.