ETEL LMS15-050-3UA-209A Linear Motor – High Force Direct Drive
The ETEL LMS15-050-3UA-209A is a high-performance linear motor designed for applications requiring exceptional force and precision. This motor is part of ETEL's LMS series, which is renowned for its robust construction, high efficiency, and reliability in demanding industrial environments. The direct drive architecture eliminates mechanical transmission components, providing zero backlash, high stiffness, and superior dynamic performance.
This linear motor is specifically engineered for heavy-duty applications, including machine tool feed drives, large-format semiconductor handling systems, and high-force factory automation equipment. Its advanced magnetic design and efficient cooling system ensure stable performance even under continuous high-load operation.
Key Features
High Force Density: Maximizes force output within a compact envelope.
Direct Drive Technology: Eliminates backlash, friction, and wear associated with mechanical transmissions.
Integrated Cooling System: Efficient thermal management maintains stable operating temperatures.
Robust Construction: Sealed housing protects against dust, coolant, and mechanical shock.
High-Resolution Feedback Compatibility: Supports optical and magnetic encoders for nanometer-level positioning.
Modular Design: Allows for easy integration with ETEL's range of servo amplifiers and magnet tracks.
Technical Specifications
The LMS15-050-3UA-209A operates with a three-phase winding configuration and is designed for use with 230 VAC or 400 VAC servo drives. It delivers a continuous force of up to 150 N and a peak force of up to 450 N, depending on the cooling conditions and duty cycle. The motor has a coil length of 50 mm and is designed to work with ETEL's magnet tracks to achieve various stroke lengths.
Electrical characteristics include low inductance and resistance, enabling high bandwidth current control and rapid current rise times. The motor is compatible with incremental, absolute, and sine-cosine encoders, providing flexible feedback options for various control architectures. The integrated thermal sensors provide overtemperature protection.
Applications
Machine Tools: High-performance feed drives for milling, turning, and grinding machines.
Semiconductor Manufacturing: Wafer handling and inspection stages requiring high force.
Factory Automation: Heavy-duty positioning systems for assembly and material handling.
Laser Processing: Precision cutting and welding tables.
Installation and Integration
Integrating the LMS15-050-3UA-209A into a motion system is facilitated by its standardized mechanical interfaces and clear documentation. The motor can be mounted in various orientations, providing flexibility for machine designers. Proper alignment between the motor coil and the magnet track is essential for achieving optimal performance, and ETEL provides detailed guidelines and alignment tools to simplify this process.
Electrical connections are made via robust industrial connectors, with shielding to ensure EMC compliance. ETEL's comprehensive documentation ensures a smooth integration process.
Benefits
Increased Throughput: High acceleration and deceleration capabilities reduce cycle times.
Improved Quality: Low force ripple and high resolution enable superior surface finish and process stability.
Reduced Maintenance: No mechanical wear components result in lower total cost of ownership.
Design Flexibility: Compact size and multiple mounting options allow for creative machine layouts.
Conclusion
The ETEL LMS15-050-3UA-209A linear motor is a high-performance motion solution that delivers exceptional force, precision, and reliability. Its direct drive technology, robust construction, and flexible integration options make it a preferred choice for engineers developing advanced automation systems.
