يوم: 04/22/2026

Granite Platform Flatness & Geometric Precision Comprehensive Testing Methods (Factory Practical Operations National Standard Verification)In accordance with JJG117-2013 Plate Verification Regulations, common testing methods for precision granite platforms are divided into: Traditional Level Method, Autocollimator Method, Laser Interferometry Method, Grid Point Testing, Optical Flat Interference Method, and CMM Comprehensive Testing. I. Electronic Level Testing Method…

Precision Granite Platform / Component Full-Process Manufacturing Solution (National StandardGrade 000/00/0 · Dedicated for Semiconductor / CMM / Optical Benchmarks)Covers the full closed-loop process from material selection → aging → CNC machining → constant temperature manual precion lapping → structural customization → precision verification → installation and after-sales → long-term stability. Suitable for aviation, semiconductors,…