High-Performance Pneumatic Vibration Isolation Optical Table TTAS-2415
JCOPTIX high-performance pneumatic-isolation optical tables use a three-wire pendulum design to keep vertical and horizontal natural frequencies within 1.5 Hz, depending on actual load. The top has four layers: magnetic stainless-steel faceplate, sealed cups, honeycomb truss, and steel bottom plate. Precision grinding ensures flatness <50 μm/m² and roughness <0.8 μm. Sealed cups prevent contaminants entering the honeycomb and block internal airflow. High-performance pneumatic isolators beneath the top use independent cylindrical legs without overall structural resonance. The internal three-wire pendulum minimizes vibration and precisely repositions the worktop after disturbances. Conventional laminar damping adds an orifice between primary and secondary air chambers to compress/release gas for stability. Micrometer-scale laminar damping replaces one air chamber with many micrometer-sized holes, greatly increasing damping efficiency and reducing vibration amplitude. The hybrid-chamber design increases compliant volume within a given size and lowers natural frequency. Optional TMD tuned mass dampers can be installed inside the accompanying bonded honeycomb top in quantities of 2, 4, or 6 to eliminate resonance. TMD is described as the most effective known passive damping method because it concentrates damping force at the principal resonance frequency. Most comparable products use broadband damping to absorb moderate vibration energy across a wide band; tuned mass damping focuses on resonance and is therefore more effective. Available top thicknesses: 100 mm, 200 mm, 300 mm. The magnetic stainless-steel faceplate is 5 mm thick, with M6 holes whose spacing and depth are both 25 mm. JCOPTIX offers table sizes from 1200 mm × 800 mm to 4000 mm × 1500 mm. Contact customer service for other special sizes.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Platform Dimensions | 2400 mm × 1500 mm × 200 mm |
| Vibration isolation method | Pneumatic Vibration Isolation |
| Natural frequency | ≤ 1.5 Hz |
| Tabletop Flatness | ≤ 0.1 mm/m² |
| Platform surface roughness | 0.8 μm |
| Vibration Isolation Structure | Three-Wire Pendulum Rod, Hybrid Chamber Structure |
| Vibration amplitude | < 0.002 |
| Adjustment method | Automatic Centering |
| Operating Return Position Accuracy | ± 0.1 mm |
| Damping Method | Micrometer-Scale Laminar-Flow Damping |
| Air Supply | Standard Quiet Air Compressor (Noise: 52 dB) |
| Top Height Adjustment | ± 10 mm |
| Number of Support Legs | 4 |
| Self-Weight | 670 kg |
| Load | 800 kg |
| General Parameters - Overall Height | 800 mm |
| General Parameters - Natural Frequency [Vertical 1.0-1.5 Hz; Horizontal 1.0-1.5 Hz; Depends on Actual Load] | Vertical: 1.0-1.5 Hz; Horizontal: 1.0-1.5 Hz (Depends on Actual Load) |
Key Features
Datasheet
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Supplier Information
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