High-Dynamics Motion Control with the B&R 8LSA57.ee030ffgg-4
In modern manufacturing, the demand for precise, high-speed motion control continues to grow. The B&R 8LSA57.ee030ffgg-4 three-phase synchronous servo motor addresses this need with a slim, elongated design that saves space without sacrificing performance. This self-cooled motor is engineered for applications requiring high dynamics, positioning accuracy, and reduced weight.
The 8LSA57.ee030ffgg-4 belongs to the 8LSA series, known for permanent-magnet, electronically commutated synchronous motors. It offers a large overload capacity, reduced cogging, and optimized torque ripple for excellent controllability. An embedded parameter chip enables automatic drive identification, simplifying setup and commissioning.
Key Technical Specifications and Performance
The 8LSA57.ee030ffgg-4 delivers a nominal speed of 3000 rpm and a maximum speed of 5000 rpm. With a nominal torque of 20.0 Nm and a stall torque of 29.0 Nm, it provides robust torque for demanding tasks. The motor achieves a nominal power of 6283 W, driven by a nominal current of 12.3 A.
For short-duration peak loads, the motor can deliver a maximum torque of 90.0 Nm with a maximum current of 75.6 A. The torque constant is 1.63 Nm/A, and the voltage constant is 98.44 V/1000rpm. These parameters ensure predictable performance across a wide operating range.
The motor features a stator resistance of 0.356 Ohm and a stator inductance of 5.1 mH. The electrical time constant is 14.2 ms, while the thermal time constant is 45 minutes. The moment of inertia is 20.9 kg·cm², and the mass without brake is 16.00 kg. An optional brake provides a holding torque of 27 Nm, adding 3.50 kg and 9.5 kg·cm² of inertia.
Applications in Modern Manufacturing
The 8LSA57.ee030ffgg-4 is well-suited for a variety of industrial applications. In packaging machinery, its high dynamics and positioning precision enable rapid, accurate product handling. The motor's compact size and reduced weight make it ideal for robotic arms and material handling systems where space is limited.
In machine tool spindles, the motor's large overload capacity supports aggressive cutting operations. The reduced cogging and optimized torque ripple contribute to smooth motion, which is critical for surface finish quality. Additionally, the motor's self-cooled design simplifies installation in enclosed spaces.
Real-World Application Example
Consider a typical automotive assembly line where a robotic arm must place components with high repeatability. The 8LSA57.ee030ffgg-4 provides the necessary torque and speed to handle payloads while maintaining accuracy. Its embedded parameter chip allows the connected ACOPOS drive to automatically configure the motor, reducing setup time.
In a high-speed labeling application, the motor's 5000 rpm maximum speed enables rapid indexing. The low cogging and torque ripple ensure consistent label placement, minimizing waste. This combination of speed and precision makes the motor a reliable choice for continuous production environments.
Compatible Systems and Controllers
The 8LSA57.ee030ffgg-4 is designed to work with B&R ACOPOS servo drives, specifically the recommended drive model 024X. The motor supports both resolver and EnDat encoder feedback options, including inductive and optical types. Encoders for functional safety are available, enabling safety-related position measurement.
The motor features built-in plug-in connectors, including swivel and SpeedTec types. A single-cable hybrid solution is available, simplifying wiring and reducing installation time. The motor's parameter chip automatically communicates with the drive, ensuring optimal performance without manual configuration.
Comparison with Similar Motor Categories
Compared to standard asynchronous motors, the 8LSA57.ee030ffgg-4 offers higher dynamics and better positioning accuracy. Its permanent-magnet design eliminates rotor losses, improving efficiency. The motor's compact size and reduced weight make it easier to integrate into space-constrained machinery.
When compared to other synchronous servo motors, the 8LSA57.ee030ffgg-4 stands out with its high overload capacity and low cogging. The embedded parameter chip simplifies commissioning, a feature not always present in competing models. Additionally, the availability of functional safety encoders enhances its suitability for safety-critical applications.
Business Value and ROI
Investing in the 8LSA57.ee030ffgg-4 can reduce total cost of ownership through improved efficiency and reduced downtime. The motor's robust construction and thermal protection ensure long service life. The self-cooled design eliminates the need for external cooling fans, lowering energy consumption and maintenance requirements.
The motor's compatibility with ACOPOS drives and automatic identification reduces installation and setup time. This translates to faster machine commissioning and quicker time-to-market for OEMs. For end users, the motor's reliability minimizes unplanned downtime, enhancing overall productivity.
Why Choose AutoDCSTech
AutoDCSTech is a trusted supplier of industrial automation spare parts, including the B&R 8LSA57.ee030ffgg-4. We offer competitive pricing and reliable availability to support your operations. Our team can assist with product selection and provide technical guidance based on your application requirements.
We understand the importance of minimizing downtime, so we strive to maintain stock of critical components. Contact AutoDCSTech today to inquire about the 8LSA57.ee030ffgg-4 and how it can enhance your motion control systems.
Frequently Asked Questions About the 8LSA57.ee030ffgg-4
What is the nominal torque of the 8LSA57.ee030ffgg-4?
The nominal torque is 20.0 Nm, with a stall torque of 29.0 Nm. The maximum torque is 90.0 Nm for short-duration peak loads.
What feedback options are available for this motor?
The motor supports resolver and EnDat encoders, including inductive and optical types. Single-turn and multi-turn configurations are available, and encoders for functional safety are offered.
Which servo drive is recommended for the 8LSA57.ee030ffgg-4?
The recommended ACOPOS servo drive model is 024X. The motor's embedded parameter chip enables automatic drive identification for quick setup.
What is the maximum speed of the 8LSA57.ee030ffgg-4?
The maximum speed is 5000 rpm, while the nominal speed is 3000 rpm. This allows for high-speed operation in demanding applications.
Looking for 8LSA57?
Browse genuine 8LSA57 units, specifications, and pricing — or request a quote from our automation specialists.
View 8LSA57 Products & Get a Quote →
