{"id":2780,"date":"2026-05-21T08:23:48","date_gmt":"2026-05-21T00:23:48","guid":{"rendered":"https:\/\/jtlcnc.com\/?p=2780"},"modified":"2026-05-21T08:23:49","modified_gmt":"2026-05-21T00:23:49","slug":"application-of-granite-precision-gauges-in-industry","status":"publish","type":"post","link":"https:\/\/jtlcnc.com\/ru\/2026\/05\/21\/application-of-granite-precision-gauges-in-industry\/","title":{"rendered":"\u041f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u0435 \u0433\u0440\u0430\u043d\u0438\u0442\u043d\u044b\u0445 \u043f\u0440\u0435\u0446\u0438\u0437\u0438\u043e\u043d\u043d\u044b\u0445 \u0438\u0437\u043c\u0435\u0440\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0445 \u043f\u0440\u0438\u0431\u043e\u0440\u043e\u0432 \u0432 \u043f\u0440\u043e\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u043e\u0441\u0442\u0438"},"content":{"rendered":"

Core Applications of Granite Precision Gauges in Industry
Granite gauges (mainly made of black natural granite such as Jinan Green and Taishan Green, including square rulers, straight edges, square blocks, surface plates, V-blocks, bases, etc.), with their characteristics of high precision, no deformation, no rust, no magnetization, and vibration damping stability, are the core reference tools for modern precision manufacturing, metrological testing, and high-end equipment, covering all industrial fields.
I. Machining and Mold Industry (Largest Usage)
Part Precision Inspection
Using granite square rulers, straight edges, and square blocks to inspect the perpendicularity, flatness, straightness, and parallelism of workpieces, replacing cast iron gauges, with no precision degradation over long-term use.
Mold Inspection and Calibration
Reference calibration of molds, inspection gauges, and tooling fixtures. Granite is non-magnetic and will not attract iron filings, avoiding scratches on the surface of precision molds.
Machine Tool Guide Rail Correction
Granite straight edges and bridge plates are used to calibrate the straightness of guide rails for lathes, machining centers, and grinding machines, ensuring the long-term precision of machine tools.
II. Precision Metrology and Quality Inspection Laboratories
Metrology Room Reference Platforms
00-grade and 000-grade granite surface plates serve as national metrological reference instruments, calibrating general gauges such as micrometers, dial indicators, calipers, and height gauges.
Third-Party Testing Agencies
Used for full-dimensional inspection of products before shipment, issuing precision inspection reports, adapted to quality inspection in the automotive, aviation, and electronics industries.
Research Institutes and University Laboratories
High-precision experimental measurement and physical reference calibration, unaffected by temperature and magnetic field interference.
III. High-End Equipment and Intelligent Equipment Manufacturing
Coordinate Measuring Machine (CMM) Bases
Granite bases and platforms are standard configurations, with extremely small thermal deformation and good vibration damping, ensuring the micron-level measurement precision of CMMs.
Bases for Laser Equipment, Lithography Machines, and Optical Instruments
Support bases for laser cutting machines, spectrometers, microscopes, and semiconductor equipment, providing insulation, vibration resistance, and precision stability.
Precision Automation Equipment
Robot positioning platforms and vision inspection tooling, used for online dimensional inspection on automated production lines.
IV. Automotive and New Energy Industries
Automotive Component Inspection
Flatness and perpendicularity inspection of engine blocks, crankshafts, wheel hubs, and chassis parts, adapted to high-precision dimensional inspection of new energy motor housings and battery trays.
Automotive Gauge Calibration
Reference calibration of gauges and fixtures for vehicle components, meeting the strict tolerance requirements of the automotive industry.
V. Aerospace and Defense Industries
Aviation blades, precision structural parts, and military parts have extremely small tolerances. Granite gauges are stress-free and do not deform, enabling long-term stable measurement of micron-level dimensions, meeting military metrological standards.
VI. Electronics, Semiconductor, and Photovoltaic Industries
Chip and Circuit Board Inspection
Non-magnetic and insulating, they do not interfere with electronic components, and are used for dimensional inspection of PCB boards and semiconductor wafers.
Photovoltaic Equipment Bases
Photovoltaic silicon wafer inspection platforms and laser scribing equipment bases, resistant to temperature changes and vibration, ensuring high-precision processing.
VII. Core Advantages in Industrial Applications Compared to Cast Iron Gauges
The coefficient of thermal expansion is only 1\/3 of that of cast iron, with almost no deformation under temperature changes, making it suitable for constant-temperature workshops;
Rust-proof, non-magnetic, and resistant to acids, alkalis, and oil stains, suitable for humid and oily industrial environments;
Natural stone is stable over time, with precision that can be maintained for over 10 years without the need for frequent grinding;
Vibration damping and noise reduction, adapted to high-speed, high-precision automated production lines.<\/p>\n\n\n\n

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