ETEL 3LM-23C LMG Linear Motor – High Force Direct Drive
The ETEL 3LM-23C LMG linear motor, identified by part number 568160-01, is a high-performance linear motor designed for applications requiring exceptional force density and precision. This motor is part of ETEL's LMG 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, making it a trusted choice for OEMs and system integrators worldwide.
Key Features
High Force Density: Maximizes force output within a compact envelope, enabling smaller machine designs without sacrificing performance.
Direct Drive Technology: Eliminates backlash, friction, and wear associated with ball screws and belt drives, resulting in superior motion quality.
Integrated Cooling System: Efficient thermal management maintains stable operating temperatures for continuous high-force operation.
Robust Construction: Sealed housing and heavy-duty bearings protect against dust, coolant, and mechanical shock.
High-Resolution Feedback Compatibility: Supports optical and magnetic encoders for nanometer-level positioning accuracy.
Modular Design: Allows for easy integration with ETEL's range of servo amplifiers and magnet tracks.
Technical Specifications
The 3LM-23C LMG motor 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 several hundred newtons, with peak force capabilities exceeding one thousand newtons for short durations, depending on the specific coil and magnet track configuration. The motor features low cogging force and minimal force ripple, ensuring smooth motion even at low velocities.
Electrical characteristics include low inductance and resistance, enabling high bandwidth current control and rapid current rise times. The motor is compatible with a wide range of encoder interfaces, including incremental, absolute, and sine-cosine signals, providing flexibility for various control architectures. The integrated thermal sensors provide overtemperature protection, ensuring safe operation under all conditions.
Applications
Machine Tools: High-performance feed drives for milling, turning, and grinding machines.
Semiconductor Manufacturing: Wafer handling, stepping, and scanning stages for lithography and inspection.
Factory Automation: Heavy-duty positioning systems for assembly, packaging, and material handling.
Laser Processing: Precision cutting and welding tables requiring high acceleration and accuracy.
Installation and Integration
Integrating the 3LM-23C LMG motor 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, including wiring diagrams, configuration guidelines, and tuning procedures, ensures a smooth integration process for engineers of all experience levels.
Benefits
Increased Throughput: High acceleration and deceleration capabilities reduce cycle times and improve productivity.
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 and increased uptime.
Design Flexibility: Compact size and multiple mounting options allow for creative machine layouts.
Conclusion
The ETEL 3LM-23C LMG 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 in semiconductor, machine tool, and industrial manufacturing applications.
