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  • Critical Installation Details for Precision Granite Surface Plates

    Critical Installation Details for Precision Granite Surface Plates

    A granite surface plate is the ultimate reference plane in metrology, but its accuracy—often verified down to the nanometer—can be entirely compromised by improper installation. The process is not a casual setup; it is a meticulous, multi-step alignment that secures the geometric integrity of the...
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  • How to Clean Stains on Precision Granite Machine Bases

    How to Clean Stains on Precision Granite Machine Bases

    In ultra-precision environments—from semiconductor fabrication to advanced metrology laboratories—the granite machine base serves as the critical reference plane. Unlike decorative countertops, industrial granite bases, such as those manufactured by ZHONGHUI Group (ZHHIMG®), are precision instrum...
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  • Why Are Strict Dimensional Tolerances Essential for Your Granite Machine Base?

    Why Are Strict Dimensional Tolerances Essential for Your Granite Machine Base?

    In the world of ultra-precision manufacturing and metrology, the granite machine base is far more than a simple slab of rock—it is the foundational element that dictates the performance ceiling of the entire system. At ZHONGHUI Group (ZHHIMG®), we understand that the external dimensions of these ...
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  • How Are Granite Measuring Tools Assembled to Sub-Micron Accuracy?

    How Are Granite Measuring Tools Assembled to Sub-Micron Accuracy?

    For instruments like granite straight edges, squares, and parallels—the fundamental building blocks of dimensional metrology—the final assembly is where certified accuracy is locked in. While the initial rough machining is handled by state-of-the-art CNC equipment in our ZHHIMG facilities, achiev...
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  • How Should You Verify Precision Granite Components Upon Delivery?

    How Should You Verify Precision Granite Components Upon Delivery?

    The arrival of a Precision Granite Component—be it a complex machining base or a custom metrology frame from ZHONGHUI Group (ZHHIMG)—marks a critical juncture in the supply chain. After navigating global logistics, the final test is confirming that the component’s certified micro-accuracy remains...
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  • How to Assemble Granite Flat Panels? Critical Setup Requirements

    How to Assemble Granite Flat Panels? Critical Setup Requirements

    The stability and accuracy of any ultra-precision machine—from large Coordinate Measuring Machines (CMMs) to advanced semiconductor lithography equipment—fundamentally rests upon its granite foundation. When dealing with monolithic bases of significant scale, or complex multi-section Granite Flat...
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  • How to Use Granite Measuring Tools: Master Metrology Basics

    How to Use Granite Measuring Tools: Master Metrology Basics

    In the world of ultra-precision manufacturing and metrology, the granite surface plate stands as the unchallenged foundation of dimensional accuracy. Tools like granite squares, parallels, and V-blocks are essential references, yet their full potential—and guaranteed accuracy—is unlocked only thr...
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  • Why ZHHIMG® Granite Bases are Oiled Before Shipment

    Why ZHHIMG® Granite Bases are Oiled Before Shipment

    The delivery of an ultra-precision granite machine base from ZHONGHUI Group (ZHHIMG) is the final step in a meticulous, multi-stage manufacturing process. While the surface of a ZHHIMG® Black Granite base—hand-lapped by our masters to nanometer-level flatness—appears ready for immediate integrati...
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  • What Are the Roughness and Glossiness of Granite Mechanical Components?

    What Are the Roughness and Glossiness of Granite Mechanical Components?

    In the world of ultra-precision manufacturing, the performance of granite mechanical components is closely linked to their surface characteristics—particularly roughness and glossiness. These two parameters are more than just aesthetic details; they directly influence the accuracy, stability, and...
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  • What Are the Specifications and Tolerances of Granite Measuring Tools?

    What Are the Specifications and Tolerances of Granite Measuring Tools?

    Granite has long been recognized as the preferred material for precision measuring tools thanks to its excellent physical and mechanical stability. Unlike metal, granite does not rust, warp, or deform under temperature variations, making it the ideal reference material for measurement application...
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  • What Are the Defects and Advantages of Granite Components?

    What Are the Defects and Advantages of Granite Components?

    Granite has become a cornerstone material in precision engineering, especially for manufacturing machine bases, measuring instruments, and structural components where stability and accuracy are crucial. The use of granite is not accidental—it results from its unique physical and mechanical charac...
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  • What Makes Granite the Benchmark for Mechanical Component Measurement?

    What Makes Granite the Benchmark for Mechanical Component Measurement?

    In the world of ultra-precision manufacturing, measurement accuracy is not just a technical requirement—it defines the quality and credibility of the entire process. Every micron counts, and the foundation of reliable measurement begins with the right material. Among all engineering materials use...
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