Marble Floating Platform

Marble gas float platforms are made from high-quality marble material, processed by machinery and hand-finished for precision. They feature a black luster, fine layout, even texture, and excellent stability. The marble is strong and hard. The marble gas float platforms also offer advantages such as resistance to rust, magnetization, deformation, and good wear resistance. They maintain stability under heavy loads and normal temperatures.

Marble floating tables are precision measuring devices made from fine stone materials, serving as ideal reference surfaces for inspecting instruments, delicate items, and mechanical components. Marble floating tables are particularly suited for high-precision measurements, outperforming cast iron plates and channels due to their inherent characteristics. Granite is sourced from the underground rock strata, having undergone millions of years of aging, ensuring exceptional stability and eliminating concerns about deformation caused by conventional temperature variations.

1. Marble Floating Platform Accuracy: The accuracy of the marble flat plate refers to the specification. The flatness tolerance is based on GB4987-85 specification: 0 grade = 1×(1+d/1000)um; 00 grade = 2×(1+d/1000)um; 0 grade = 4×(1+d/1000)um; 1 grade = 8×(1+d/1000)um (d is the diagonal in mm). The measuring temperature is typically at 20±2℃.

2. Physical Properties of Marble Gas Floating Platform: Marble plate density: 2970-3070 kg/㎡, compressive strength: 245-254 N/m², coefficient of linear expansion: 4.61×10⁻⁶/°C, water absorption rate: <0.13%, Rockwell hardness: Hs70 and above.

3. Marble Float Platform Precision Requirement: High precision required for marble plates (marble channels) from cutting and shaping, coarse grinding to fine grinding in the controlled environment, with high precision needed throughout. The temperature should be suitable. Precision requirement exceeds cast iron measuring instruments. Suitable for production projects with high precision requirements.

4. Features and Advantages of Marble Floating Platforms: Marble slabs undergo long-term aging, resulting in uniform tissue and layout, extremely low linear expansion coefficient, and no internal stress, ensuring non-deformation and high precision. They are rigid, hard, and highly wear-resistant. They are not susceptible to corrosion from acids, alkalis, or rust, do not require oiling, and are not prone to attract fine dust. Easy to protect and maintain, with a long service life. They do not show scratches, are not hindered by constant temperature conditions, and can maintain temperature measurement accuracy at room temperature. They are non-magnetic, can move smoothly during measurement without resistance, are not affected by moisture, and have a well-defined flat surface.

The working principle of the marble gas float platform

Marble air float platforms operate based on the fundamental principle of air bearings, achieving frictionless and vibration-free smooth movement. Granite platforms feature high motion accuracy and cleanliness.

Based on the fundamental principles of air bearings, achieving frictionless and vibration-free smooth movement, the granite platform boasts high motion accuracy and cleanliness. It also has the function of error averaging, allowing for higher guidance accuracy with lower manufacturing precision. The granite air-bearing guide rails are widely used in measuring instruments and precision machinery. In terms of body lubrication analysis, the straight air-bearing guide rails exhibit extraordinary load-bearing capacity and gas flow rates. Particularly, the key performance indicator—displacement accuracy—has a comparison advantage several orders of magnitude greater than traditional guide rails. The widespread use of air-bearing guide rails in precision machinery and measuring instruments will undoubtedly be an inevitable trend in industry development.