ZOLIX LMA-TR Series Linear Motor Translation Stage

Overview

The ZOLIX LMA-TR Series Linear Motor Translation Stage is an engineered solution for high-dynamics, high-precision linear motion in optical alignment, interferometry, laser beam steering, and automated metrology applications. Based on coreless U-channel permanent magnet synchronous linear motor technology, the stage eliminates mechanical transmission elements—such as lead screws, belts, or rack-and-pinion systems—thereby removing backlash, hysteresis, and wear-related drift. This architecture delivers direct-drive force transmission with inherently high acceleration, smooth velocity profiles, and long-term positional stability. The stage integrates imported precision linear motion slides with dual reference surfaces (datum and locating faces) to ensure consistent mounting repeatability and minimized angular error coupling during installation. Designed and manufactured in Beijing, China, the LMA-TR series adheres to international dimensional and interface standards (e.g., ISO 841, DIN 66025), enabling seamless integration into multi-axis optical benches and vacuum-compatible motion platforms.

Key Features

• Coreless U-channel linear motor design ensures zero cogging force, low thermal drift, and maintenance-free operation over extended duty cycles.
• Four-point preloaded linear motion slides provide high stiffness, low friction, and exceptional motion uniformity across full travel range.
• Integrated Hall-effect end-of-travel sensors and dual-direction mechanical buffers enable safe, repeatable hard-limit detection without external switches.
• Modular cable management system with integrated drag chain minimizes cable strain and supports continuous bidirectional motion at maximum speed.
• Standard M6 and 1/4″-20 threaded mounting patterns on top and base plates ensure compatibility with standard optical posts, kinematic mounts, and breadboard systems.
• Optional high-resolution optical encoder scales (0.1, 0.5, or 1 µm resolution) support closed-loop control architectures compliant with ISO 230-2 and VDI/VDE 2617 Part 6 testing protocols.

Sample Compatibility & Compliance

The LMA-TR series is compatible with both ambient and controlled-environment optical laboratories. All structural components are fabricated from 6061-T6 aluminum alloy with hard-anodized surface treatment (≥25 µm thickness), ensuring corrosion resistance and dimensional stability under typical lab temperature gradients (±2 °C). The stage meets RoHS 2011/65/EU directive requirements and conforms to IEC 61000-6-2 (immunity) and IEC 61000-6-4 (emission) electromagnetic compatibility standards. When paired with the optional TMC full-function motion controller, the system supports audit-ready operation per GLP and GMP guidelines—including electronic log generation, parameter versioning, and user-access-level controls—as required for regulated R&D environments.

Software & Data Management

The LMA-TR series is fully supported by ZOLIX’s proprietary MotionStudio software suite, which provides intuitive GUI-based trajectory planning, real-time position/velocity monitoring, and script-driven automation via Python API (COM/ActiveX and TCP/IP interfaces available). Encoder data is timestamped with microsecond resolution and stored in HDF5 format for post-processing interoperability with MATLAB, Python (NumPy/Pandas), and LabVIEW. Firmware supports dual-loop control modes (motor current + position feedback), dynamic feedforward compensation, and adaptive gain scheduling—enabling stable tracking of complex waveforms (e.g., sinusoidal, trapezoidal, or custom S-curve profiles) at bandwidths exceeding 200 Hz. Data export complies with ASTM E2917-22 for motion system characterization reporting.

Applications

• Precision optical path length adjustment in Michelson and Mach-Zehnder interferometers
• Automated focus scanning in confocal and multiphoton microscopy systems
• Beam collimation and alignment in ultrafast laser amplifier chains
• Wafer-level metrology stages for semiconductor inspection tools
• Multi-axis nanopositioning platforms for synchrotron beamline instrumentation
• Calibration transfer standards for coordinate measuring machines (CMMs) and laser trackers

FAQ

What encoder resolution options are available, and how do they affect closed-loop performance?
Three optical encoder resolutions are offered: 0.1 µm, 0.5 µm, and 1 µm. Higher resolution enables finer position feedback and improved low-velocity stability; however, optimal performance requires matching the encoder specification with controller loop bandwidth and servo tuning parameters.
Is vacuum compatibility available for the LMA-TR series?
Standard configurations are rated for ambient air operation only. Vacuum-compatible variants (up to 10⁻⁶ mbar) can be supplied upon request, featuring vacuum-rated lubricants, vented slide blocks, and non-outgassing cable assemblies.
Can the stage be operated in a vertical orientation?
Yes—vertical mounting is supported with appropriate counterbalancing. Maximum static load capacity in vertical orientation is reduced by 30% relative to horizontal specifications due to gravitational loading on the motor and guide system.
What motion controller is recommended for achieving specified repeatability?
The TMC full-function motion controller is required to achieve ≤0.001 mm repeatability. It provides 32-bit position resolution, 10 kHz servo update rate, and advanced disturbance rejection algorithms optimized for linear motor dynamics.
Are mechanical drawings and STEP files available for integration design?
Yes—dimensional drawings, GD&T annotations, and native STEP/IGES models are provided under NDA for OEM integration projects and custom optical bench design.