Granite Inspection Plate

Granite Inspection Plate is a professional precision reference tool specifically designed for industrial inspection,measurement verification,and quality control,widely applied in various manufacturing and testing fields.It is made of high-quality natural granite with dense texture,usually Jinan Black granite,which is selected for its excellent physical stability and wear resistance,laying a solid foundation for accurate inspection results.

The production process of Granite Inspection Plate is strictly controlled to ensure its high precision and reliability.After CNC precision cutting,rough grinding,fine grinding,and manual lapping,it undergoes strict flatness calibration and quality testing.It is available in precision grades of 000,00,0,and 1,among which the 000-grade plate can achieve micron-level flatness tolerance,making it suitable for ultra-precise inspection scenarios such as small part size verification and instrument calibration.

This inspection plate has inherent advantages that are difficult to match by traditional metal plates.It is non-magnetic,which can avoid magnetic interference with precision measuring tools such as dial gauges and coordinate measuring machines(CMM);it has strong corrosion resistance,not easy to rust or be corroded by industrial reagents,and can maintain performance in harsh workshop environments;its low thermal expansion coefficient reduces dimensional deviation caused by temperature changes,ensuring the accuracy of inspection data.

In practical application,Granite Inspection Plate is an essential tool for mold inspection,automotive part testing,aerospace component verification,semiconductor product measurement,and laboratory precision experiments.It can be customized in different sizes according to user needs,from small benchtop inspection plates to large-scale industrial inspection worktables.Daily maintenance is simple,only requiring regular wiping with a lint-free cloth to keep the surface clean and free of debris,ensuring long-term stable and accurate inspection performance.