Precision granite platform with integrated mounting holes
I. Core Material and Innate AdvantagesMainly using Jinan Green fine-grained black granite, naturally aged for hundreds of millions of years with no internal stress, offering outstanding advantages compared to cast iron reference plates:Ultra-low thermal expansion: Thermal expansion coefficient 2.5~4.6×10⁻⁶/℃, almost no deformation under temperature changes, suitable for constant temperature metrology, optics, and semiconductor scenarios;High rigidity…
