News
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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...Read more -
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...Read more -
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...Read more -
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...Read more -
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...Read more -
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...Read more -
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...Read more -
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...Read more -
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...Read more -
What Are the Requirements for Producing Marble Measuring Tools?
In precision engineering, the accuracy of measurement tools determines the reliability of the entire production process. While granite and ceramic measuring tools dominate the ultra-precision industry today, marble measuring tools were once widely used and are still applied in certain environment...Read more -
How Are Marble Mechanical Components Inspected for Quality?
Marble and granite mechanical components play a crucial role in precision machinery, measurement systems, and laboratory equipment. Although granite has largely replaced marble in high-end applications due to its superior physical stability, marble mechanical components are still used in certain ...Read more -
What Precautions Should Be Taken When Using Granite Slabs?
Granite slabs are widely used in precision industries due to their exceptional stability, hardness, and resistance to deformation. As the foundation for measurement and calibration in laboratories, workshops, and manufacturing facilities, granite slabs must maintain their accuracy over years of c...Read more