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Phone: +86 16626708626Description
Real-World Use & Application Scenarios
In industries requiring high-precision motion control such as robotics, packaging, CNC machining, semiconductor manufacturing, and automated assembly lines, the A-B 1326AS-B440G-21 servo motor plays an essential role. These environments demand motors capable of rapid acceleration, precise positioning, and high torque with minimal latency. The motor’s low-inertia, brushless design allows for fast dynamic response, making it ideal for intricate tasks like pick-and-place, cutting, and indexing where speed and accuracy dictate throughput and product quality.
The A-B 1326AS-B440G-21 servo motor is applicable in industrial automation systems as a reliable actuator paired with advanced servo drives and motion controllers. It addresses challenges such as maintaining torque consistency under varying load conditions, reducing heat generation, and minimizing mechanical wear due to its brushless construction. Its compact size facilitates integration into space-constrained machine platforms while delivering the power and precision needed in demanding production environments.
Product Introduction & Positioning
The A-B 1326AS-B440G-21 is a model within Allen-Bradley’s 1326AS series of brushless servo motors. It features a rare-earth permanent magnet rotor, delivering high power density and exceptional torque-to-inertia ratio. This product is designed to integrate seamlessly with Allen-Bradley Kinetix servo drives and control systems, forming part of an advanced motion control architecture.
Engineers select the 1326AS-B440G-21 for its balance of power, speed, and compactness, especially where low mechanical inertia is critical for rapid acceleration and deceleration cycles. This motor supports a rated voltage of 460V AC and operates optimally at speeds up to 5250 rpm, making it well-suited for high-speed industrial automation applications. Its robust design and NEMA frame compliance simplify retrofit and new machine designs alike.
Key Technical Features & Functional Benefits
The A-B 1326AS-B440G-21 produces continuous stall torque of 5.3 Nm (47 lb-in) and peak stall torque up to 10.6 Nm (94 lb-in), providing strong force for various motion control tasks. Its brushless construction reduces maintenance needs by eliminating brushes and commutators, thereby increasing operational longevity and reliability. The low inertia (approximately 0.0005 kg·m²) allows for agile positioning and enhances machine responsiveness, crucial for servo-driven processes.
Designed for industrial environments, the motor can perform efficiently at an ambient temperature of up to 40°C without derating. Its insulation class B rating and thermal time constant of 80 minutes assure thermal stability under typical operating cycles. The robust rotor and stator assembly offer durability while maintaining high torque output relative to size.
Installation is facilitated by standard NEMA AM04/AM07 frame compatibility, with dimensions roughly 170 mm length, 90 mm width, and 75 mm height, supporting easy integration into various motion platforms. It is optimized for 460V AC power input and supports up to 5250 rpm rated speed, striking a balance between speed and torque for flexible application needs.
Detailed Technical Specifications
| Parameter | Value |
|---|---|
| Model | 1326AS-B440G-21 |
| Brand | Allen-Bradley (A-B) |
| Product Type | Brushless Servo Motor |
| Rated Voltage | 460 V AC |
| Continuous Stall Torque | 5.3 Nm (47 lb-in) |
| Peak Stall Torque | 10.6 Nm (94 lb-in) |
| Rated Speed | 5250 rpm |
| Frame Size | NEMA AM04 / AM07 |
| Inertia | 0.0005 kg·m² |
| Insulation Class | Class B |
| Operating Temperature | Up to 40°C |
| Length | Approx. 170 mm |
| Width | Approx. 90 mm |
| Height | Approx. 75 mm |
| Weight | Approx. 2.5 kg |
- 1326AS – B440G -21
Related Modules or Compatible Units
Allen-Bradley 1326AS-B310H – Smaller frame servo motor variant for applications requiring less torque with similar speed capabilities.
Allen-Bradley 1326AS-B460F – Higher power model in the 1326AS series designed for applications demanding increased torque.
Allen-Bradley Kinetix 5500 Servo Drive – Dedicated servo drive designed for seamless compatibility with 1326AS series motors.
Allen-Bradley 1326AS-B630F – Large frame servo motor for heavy-duty applications with higher torque needs.
Allen-Bradley 1326AS-B330H – Mid-range servo motor balancing size and torque for flexible automation applications.
Installation Notes & Maintenance Best Practices
Before installation, ensure proper alignment between the motor shaft and the driven load to avoid misalignment-related wear and vibration. Use recommended mounting hardware per Allen-Bradley guidelines to secure the motor firmly, minimizing resonance during high-speed operations. Confirm that power supply voltage matches the 460V rating and that the motor is installed in an environment with ambient temperatures not exceeding 40°C for optimal performance.
Routine maintenance should focus on verifying motor connectors and cable integrity, checking for any signs of overheating or unusual noise during operation. Inspect for mechanical wear periodically, especially on bearings and coupling interfaces, to prevent unexpected downtime. Keep the motor surface clean from dust and debris to assist in heat dissipation. Use preventive diagnostics where possible through integrated servo drives to monitor motor performance and alert operators to potential issues.
