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Granite square ruler: a hard-core choice for accurate measurement, a practical tool suitable for many fields
Home » News » Industry News » Granite square ruler: a hard-core choice for accurate measurement, a practical tool suitable for many fields

Granite square ruler: a hard-core choice for accurate measurement, a practical tool suitable for many fields

Views: 300     Author: Site Editor     Publish Time: 2025-12-22      Origin: Site

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       In the fields of precision manufacturing, machining, measurement and testing, etc., accuracy is the core requirement, and a high-quality measurement reference tool is a key prerequisite for ensuring accuracy.With its unique advantages of natural materials, granite square rulers have become the preferred product to replace traditional metal square rulers. They are widely used in various high-precision measurement and calibration scenarios, empowering the precision of industrial production.

       Natural endowment creates core advantages, and performance surpasses traditional materials

      The advantage of granite square ruler comes from the excellent characteristics of its natural granite base material. After precise cutting, grinding and polishing and other precision processing processes, the advantages of the material are brought into full play:

     1. High precision and full stability: Natural granite has fine crystallization, uniform structure, extremely small thermal expansion coefficient, and is minimally affected by temperature changes. It can maintain stable accuracy in different environments and is not prone to deformation.After precision processing, its key accuracy indicators such as verticality and parallelism can reach extremely high standards. As a measurement reference tool, it can provide reliable accuracy support for inspection work and effectively reduce measurement errors.

     2. Outstanding hardness, wear resistance and anti-scratch: Granite has high hardness, surface hardness far exceeds that of ordinary metal materials, and has strong wear resistance and scratch resistance.During long-term use, the surface is not prone to scratches, wear and other problems, and can maintain a flat and smooth surface for a long time, extending the service life and reducing subsequent maintenance costs.

     3. Excellent rigidity and strong load-bearing capacity: Granite material has excellent rigidity and is not prone to bending, deformation, etc. Even if the workpiece bears a certain weight, it can maintain its stable shape.This feature enables it to still ensure measurement accuracy when undertaking calibration and measurement work on large workpieces, and is suitable for more heavy-load measurement scenarios.

     4. Smooth surface, no need for frequent maintenance: The surface roughness of the finely polished granite square ruler is extremely low, smooth and clean, and it is not easy to absorb dust, oil and other impurities. It can be kept clean by simply wiping it daily.Compared with metal squares, there is no need for frequent maintenance work such as rust   prevention and lubrication, making it more convenient and worry-free to use.

       5. Good earthquake resistance and adaptability to complex environments: Natural granite has certain shock-absorbing properties and can buffer the impact of external vibrations on measurement accuracy to a certain extent.Whether in scenes with high vibrations such as mechanical processing workshops or in conventional metrology laboratories, it can function stably and adapt to a variety of complex working environments.

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       Full scene coverage, unlocking application value in multiple fields

       With the above core advantages, granite square ruler has become an indispensable basic tool in precision manufacturing, measurement and testing and other fields, with wide and in-depth application scenarios:

      1. The field of metrology and testing: the "standard ruler" for benchmark calibration: In metrology laboratories, granite square rulers are often used as high-precision benchmark tools to calibrate the accuracy of various measuring tools such as rulers, square rulers, and flat rulers to ensure the accuracy of measuring tools and lay a reliable foundation for subsequent measurement work.At the same time, it can also be used to detect geometric tolerances such as verticality and parallelism of workpieces. It is one of the core tools for geometric tolerance detection.

      2. Mechanical processing field: "calibrator" of workpiece processing: During the mechanical processing process, the granite square ruler can be used to calibrate the flatness and verticality of the machine tool workbench to ensure the accuracy of machine tool processing; it can also be used for inter-process inspection of workpieces to timely discover deviations in the workpiece processing process, adjust processing parameters, avoid the generation of unqualified products, and improve the processing qualification rate.

     3. Precision manufacturing field: "Quality inspector" of high-end products: In precision manufacturing industries such as aerospace, automobile manufacturing, and electronic components, the accuracy of workpieces is extremely high. Granite square ruler can be used for final accuracy inspection of precision parts, such as verticality and parallelism inspection of engine parts, aerospace parts, precision electronic components, etc., to ensure the quality stability of high-end products.

     4. Mold manufacturing field: "Guardian" of mold accuracy: Mold manufacturing has strict accuracy requirements. Granite square rulers can be used for accuracy testing and calibration of key parts such as mold cavities and mold bases to ensure accurate coordination of mold components, improve the accuracy of molded products, reduce the number of mold repairs and reworks, and improve mold manufacturing efficiency.

     5. Building decoration field: "auxiliary tool" for high-precision construction: In high-end building decoration projects, the installation accuracy of stone, metal components, etc. is required to be high. Granite squares can be used to calibrate the verticality and parallelism of these components to ensure installation and construction accuracy and improve the overall quality of architectural decoration.

     From precise measurement in laboratories to efficient production in workshops, from high-end manufacturing to architectural decoration, granite square rulers, with their excellent performance and wide adaptability, have become an important support for improving accuracy, ensuring quality, and improving efficiency. Choosing high-quality granite square ruler means choosing precision, stability and reliability to protect your production and inspection work!


Jinan East Star Precision Measure Co. Ltd. Founded in 1989, is specialized in producing granite measuring instruments and machinery parts.

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