Discover the A-688 Rotary Stage: Unmatched Precision in Motion
Unveiling the A-688 Rotary Stage for Precise Motion Control
The A-688 rotary stage, crafted by PI, represents an evolution in precision motion control solutions. This innovative product is designed to offer maintenance-free performance along with ultra-high resolution and high-speed capabilities.
Frictionless Design for Superior Performance
Engineered with a unique frictionless air-bearing design, the A-688 stage delivers exceptional accuracy and durability. Its large clear aperture of 260 mm allows for various optical beams, cables, or mechanical loads to pass through effortlessly. This makes it particularly suitable for applications involving interferometry, precision inspection, and beamline instrumentation.
Exceptional Features of the A-688
At the heart of the A-688 is a direct-drive, ironless torque motor. This motor is responsible for providing smooth, cog-free rotation, rapid acceleration, and excellent velocity control. Coupled with advanced high-resolution feedback from encoders, the A-688 can achieve angular resolutions as precise as 0.0015 µrad while maintaining minimal wobble or tilt.
Key Highlights & Capabilities
The A-688 stands out due to its impressive features:
- **Large Aperture:** Ø 260 mm for accommodating significant optical or mechanical loads.
- **High Accuracy:** Achieves an angular sensor resolution of up to 0.0015 µrad.
- **Fast Dynamics:** Capable of maximum angular speeds reaching 500 rpm.
- **Superior Geometric Performance:** With radial errors of ? ±0.15 µm and axial errors ? ±0.175 µm, it excels in precision work.
- **Low-Cogging Torque Motor:** Delivers smooth, backlash-free operation, enhancing the overall performance.
- **Flexible Encoder Options:** Available with incremental (sin/cos) or absolute (BiSS-C) encoders to provide precise feedback.
- **Maintenance-Free Operation:** The air-bearing design eliminates wear and lubrication needs, ensuring a long operational life.
- **Versatile Orientation:** Suitable for use in various orientations, supporting numerous payloads and configurations.
- **Custom Modes:** Adapts to both point-to-point indexing and continuous scanning depending on the application need.
Application and Market Impact
The A-688 is tailor-made for numerous advanced applications that require ultra-precision rotation. Its primary uses include:
- Optical alignment and beamline systems.
- Inspection and lithography in the semiconductor industry.
- Calibration and scanning systems for various platforms.
- Imaging and tomography applications.
- Operations in cleanroom or other contamination-sensitive environments.
This innovative rotary stage produces no particulate contamination, making it especially suitable for cleanroom applications where precision is critical.
Availability and Extensive Support
The A-688 will be launched in multiple variants, such as A-688.A100 with incremental encoders and A-688.B100 with absolute encoders, allowing it to cater to various user requirements. Comprehensive documentation, including datasheets and integration support, will be available to assist customers effectively. Additionally, PI engineers are ready to offer advice for custom adaptations or multi-axis configurations to fit specific needs.
Frequently Asked Questions
What is the A-688 rotary stage designed for?
The A-688 is designed for ultra-precision applications, including metrology and optics, providing high accuracy and reliability.
How does the air-bearing design benefit the A-688?
This frictionless design eliminates traditional wear and tear, ensuring long life and reliable operation in sensitive environments.
What encoder options does the A-688 offer?
The A-688 can be equipped with incremental or absolute encoders for precise feedback during operation.
What are the maximum speeds of the A-688?
The A-688 can achieve maximum angular speeds of up to 500 rpm, facilitating quick operational tasks.
How can users request support for the A-688?
Users can access extensive documentation and consult with PI engineers for advice on custom configurations and adaptations.
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