Precision granite XY platform for ultra-precision measurement
Granite XY Platform for Ultra-Precision Measurement (Granite Motion Stage)Linear Motor Granite XYI. Material Selection and Core Physical Advantages (Why Only Black Granite is Used)Industry Standard Materials: Jinan Blue, Indian Black, Diorite (Black Gold Sand); marble is strictly prohibited. Core characteristics for ultra-precision measurement:Extremely Low Thermal Expansion CoefficientLinear expansion coefficient of 6~8μm/m・℃, only1/3 of steel. Dimensions…










