Dual Axis Marble Linear Motor Module

Built on a 00-grade granite base (selected for its low thermal expansion coefficient and vibration damping properties), this Dual axis marble linear motor module integrates two high-performance linear motor axes with air-bearing guides to deliver ±0.5μm repeat accuracy—ideal for semiconductor lithography, laser micromachining, optical inspection, and precision metrology systems.

Designed to address the limitations of aluminum or steel-based dual-axis stages (thermal drift, vibration, low rigidity), our Dual axis marble linear motor module eliminates mechanical deformation under high-speed motion (up to 2m/s per axis) and maintains consistent precision across operating temperatures (-10℃ to 40℃). The X-Y axis synchronous control system (EtherCAT-based) enables nanometer-level motion synchronization, critical for ultra-precision processes such as 7nm chip packaging, micro-optical component fabrication, and advanced 3D measurement.

Manufactured under ISO 9001:2015 and ISO 10110 optical quality standards, the Dual axis marble linear motor module features a sealed cable management system, anti-static coating, and vacuum-compatible options (for semiconductor cleanroom use). Compatible with industry-leading motion controllers (Aerotech, PI, Newport) and metrology systems (Renishaw laser interferometers), it seamlessly integrates into ultra-precision manufacturing lines, improving process yield by up to 20% compared to conventional metal-base dual-axis stages.

Product Series

DT-GM-DX1 Series (Compact Precision)

X-Y travel range: 100×100mm to 500×500mm, ±0.5μm repeat accuracy, 1m/s max speed per axis. Ideal for micro-optical component machining, precision metrology, small-format semiconductor packaging.

DT-GM-DX2 Series (Mid-Range High-Speed)

X-Y travel range: 500×500mm to 1000×1000mm, ±1μm repeat accuracy, 2m/s max speed per axis. Suited for laser micromachining, LCD panel repair, medium-format optical inspection.

DT-GM-DX-VAC Series (Vacuum-Compatible)

X-Y travel range: 100×100mm to 800×800mm, ±0.5μm repeat accuracy, vacuum rating 10⁻⁶ mbar. Designed for semiconductor cleanroom applications, vacuum coating, and space simulation systems.

Core Advantages

1. 00-Grade Granite Base for Unmatched Stability

Constructed from natural 00-grade granite (thermal expansion coefficient ≤0.5×10⁻⁶/℃), the base delivers exceptional thermal stability (≤0.001mm/℃) and vibration damping (attenuates 80% of high-frequency vibrations). This eliminates thermal drift and mechanical resonance—common issues with metal-based stages—in ultra-precision manufacturing processes.

2. Sub-Micron Precision with Air-Bearing Guides

Integrated air-bearing linear guides (instead of traditional ball bearings) eliminate friction and wear, achieving ±0.5μm repeat positioning accuracy and 1nm resolution (via Renishaw absolute encoders). The non-contact design ensures maintenance-free operation over 100 million cycles, critical for high-volume ultra-precision production.

3. X-Y Axis Synchronous Motion Control

EtherCAT-based real-time motion control enables nanometer-level synchronization between X and Y axes (synchronization error ≤50nm), supporting complex motion profiles (circular interpolation, spiral scanning) required for laser micromachining and optical patterning. The open architecture is compatible with third-party motion software (LabVIEW, MATLAB).

4. High Rigidity & Low Deformation

Reinforced granite structure with integrated ribbing delivers a rigidity of ≥300N/μm, minimizing deflection under dynamic loads (up to 50kg per axis). This stability ensures consistent precision even during high-speed acceleration (1g), reducing process variation and improving product yield.

5. Customizable for Ultra-Precision Applications

Full customization of travel range (100×100mm to 1000×1000mm), encoder resolution (1nm to 1μm), vacuum compatibility (10⁻³ to 10⁻⁶ mbar), and surface finish (Ra ≤0.02μm). Optional features include anti-static coating, cleanroom-compatible materials, and integrated laser interferometry for in-situ calibration.

6. Industrial-Grade Reliability for Cleanroom Use

IP67 protection grade (standard) / IP68 (vacuum version), anti-static coating (10⁶-10⁹ Ω/sq), and low particle emission (Class 1 cleanroom compliant) make it suitable for semiconductor fabs and optical manufacturing cleanrooms. MTBF ≥40,000 hours under continuous operation, reducing total cost of ownership (TCO) by 30% over 5 years.

Technical Specifications

Granite Base (00 Grade)±0.5μm Repeat Positioning AccuracyX-Y Axis Synchronous MotionThermal Stability (≤0.001mm/℃)High Rigidity (≥300N/μm)

Application Scenarios

Deaote's Dual axis marble linear motor modules are engineered for ultra-precision manufacturing across global high-tech sectors:

● Semiconductor & Microelectronics: 7nm/5nm chip packaging, wafer inspection, lithography alignment, MEMS device fabrication

● Optical Manufacturing: Micro-optical component machining (lenses, prisms), fiber optic array assembly, laser patterning of glass substrates

● Precision Metrology: 3D optical measurement, coordinate measuring machine (CMM) motion stages, nanometer-level surface profiling

● Laser Micromachining: Laser ablation, micro-drilling, precision engraving of hard materials (silicon, sapphire, ceramic)

● Aerospace & Defense: Micro-sensor manufacturing, inertial navigation component calibration, satellite optical system assembly

About Deaote

Suzhou Deaote Precision Mould Co., Ltd. is a leading high-tech enterprise specializing in R&D, manufacturing, and sales of ultra-precision motion components—with a focus on granite-based linear motor modules for global semiconductor, optical, and aerospace markets. With over 15 years of expertise in precision mould and ultra-precision motion system design, we serve customers across Europe, North America, Japan, and Korea in high-end manufacturing sectors.

Our Dual axis marble linear motor modules are developed in our dedicated ultra-precision motion R&D lab, leveraging advanced granite machining (±0.001mm tolerance), laser calibration, and air-bearing assembly technologies to achieve sub-micron accuracy. We provide end-to-end customization services—from module design and prototyping to on-site calibration and global technical support—ensuring our solutions meet the unique requirements of ultra-precision manufacturing lines.

Committed to "Precision at the Nanometer Level, Stability for a Lifetime", Deaote invests 20% of annual revenue in R&D to develop next-generation ultra-precision motion solutions. Our ISO 9001:2015 and ISO 10110 certified production facility and global service network ensure fast response times (≤48 hours) and local technical support, making us a trusted partner for manufacturers of high-end ultra-precision equipment worldwide.