In the race of OLED display technology competing for micron-level precision, the stability of detection equipment directly determines the yield rate of panels. Granite sports platforms, with their natural material advantages and precise processing techniques, provide a positioning accuracy guarantee of ±3um for the equipment, becoming the key to cost reduction and efficiency improvement in the industry.
Ultra-low thermal expansion, isolating temperature error: The thermal expansion coefficient of granite is only 5-7 ×10⁻⁶/℃, less than one-third of that of metal materials. In the face of heat generation during equipment operation or environmental temperature changes, its dimensional variation is nearly zero. When the ambient temperature fluctuates by 10℃, the expansion and contraction of the 1-meter-long platform is only 50-70nm, eliminating the detection deviation caused by thermal deformation from the root.
6 times damping performance, precise locking positioning: The unique mineral crystal structure endows granite with an extremely strong vibration absorption capacity, and its damping performance is 6 times that of cast iron. Under the high-frequency movement of the equipment or external interference, the vibration energy can be instantly converted into thermal energy, ensuring that the detection probe maintains a stable relative position to the panel and avoiding pixel detection deviations.
Chemical stability and long-term reliable operation: In the OLED workshop filled with etching solutions and organic solvents, granite, due to its chemical inertness, does not corrode or rust, maintaining structural accuracy for ten years without interruption. Compared with metal materials that are prone to aging, its maintenance-free feature can save enterprises over one million yuan in equipment maintenance costs every year.
After five-axis linkage CNC grinding and nano-level polishing, the surface roughness of the granite platform is Ra < 0.05um, and the flatness error is ±1um/m, laying a solid foundation for the positioning accuracy of ±3um. The actual measurement data of a leading OLED enterprise shows that the defect missed detection rate of the detection equipment equipped with granite platforms has decreased by 80%, and the detection efficiency has increased by 40%. From Micro-OLED nanoscale detection to foldable screen flexibility detection, granite is driving a precision revolution in the industry with its irreplaceable performance advantages.
Post time: May-14-2025