The Test of Precision for Large Granite Bases in Aerospace Manufacturing
In aerospace manufacturing, large granite bases (platforms) serve as the core reference for ultra-precision machining,measurement, and assembly. Their precision is tested across four major dimensions: flatness, thermal stability, dynamic stiffness, and long-term stability, with larger sizes demanding even stricter stds. I. Core Precision Indicators and Aerospace StandardsThe aerospace industry (CMMs, large machine tools, assembly references)…