Granite Surface Plate
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Granite Surface plate
In the fields of precision mechanical processing and quality inspection, the granite surface plate is hailed as the “cornerstone of industrial measurement”. It is not merely a simple operating table, but an absolute reference plane that ensures the accuracy of all tool and fixture settings.
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granite inspection plate with stand
In mechanical machining and precision fitting assembly, granite or cast iron surface plates—when used in conjunction with adjustable height stands—serve not only as a stable datum plane but also as the foundational element of a high-precision, three-dimensional metrology and manufacturing environment.
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Granite Surface Plate with stand
In precision inspection and measurement, granite surface plates—typically mounted on adjustable, vibration-damped stands—are widely recognized as the foundational reference standard in industrial metrology. Far exceeding the functional scope of ordinary workbenches, they serve as stable, thermally stable, and geometrically accurate reference planes for calibration, alignment, and high-accuracy dimensional verification.
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Precision Granite Surface Plate
Granite plates—commonly referred to as granite reference platforms—are widely employed as primary metrological standards in precision measurement and quality control applications, owing to their exceptional dimensional stability, high compressive hardness, and exceptionally low coefficient of thermal expansion.
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Precision granite surface plate
In the aerospace industry, where a micron makes the difference between mission success and failure, our Granite Surface Plates serve as the “Foundation of Metrology.” We provide the ultra-stable, ultra-flat reference plane required for the most demanding aerospace components.
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precision surface plate
Granite surface plates—commonly but inaccurately referred to as “marble platforms”—serve as primary precision reference standards in metrology, widely employed in precision engineering, instrumentation, electronics manufacturing, and scientific research laboratories. Fabricated from naturally aged, geologically stable granite with low thermal expansion and high dimensional stability, these plates undergo rigorous multi-stage lapping and calibration processes to achieve stringent flatness tolerances (typically ≤0.5 μm per 100 mm), ensuring long-term metrological reliability and traceable measurement accuracy.
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CNC GRANITE BASE
A granite surface plate is a workbench or datum plane made of natural granite with an extremely flat surface. It is mainly used as a reference plane for precision measurement, providing a stable and accurate reference origin for various measuring tools (such as height gauges, micrometers, coordinate measuring machines (CMMs), etc.). In the CNC (Computer Numerical Control) machine tool and precision machinery industries, it is also often used as a core component for machine tool bases, guide rails or worktables.
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Granite Base for High-End CNC & CMM Machine Alignment
The granite surface plates of ZHHIMG are high-precision measurement reference platforms specially designed for ultra-precision industrial applications. Manufactured from premium black granite, they boast outstanding physical properties and extremely high accuracy.
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Granite T-slot Plate: High-precision Workpiece Mounting Reference Bench
In terms of material properties, the granite features uniform texture and high hardness (Mohs hardness 6–7). It is wear-resistant, resistant to acid and alkali corrosion, capable of maintaining high precision without deformation even after long-term use.In terms of structural design, the surface is equipped with T-slots for securing workpieces, providing a stable and high-precision reference plane for workpiece installation, commissioning, inspection and other operations.
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Granite Surface Plate with Stand
A granite surface plate with a stand is a precision measuring tool. The main body is a flat plate made of granite, known for its high hardness, good wear resistance, and excellent flatness stability. It is equipped with a stand that provides stable support, elevating the granite plate to a suitable working height, facilitating various measurement, inspection, and marking tasks in industrial settings.
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Granite Surface Plate: A Reliable Benchmark for Industrial Precision Measurement
Granite surface plate is a precision reference measurement tool in the industrial field. Its core purpose is to serve as a high-precision reference surface, used to inspect the dimensional accuracy and flatness of instruments, meters and mechanical parts. It can also assist in precision marking, equipment installation and commissioning, and is commonly used in industries such as machinery manufacturing, electronics, and aerospace.
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Industrial-Grade Durability & Precision in One Complete Solution
The granite surface plate is a basic component made of natural granite. It typically features high hardness, excellent stability, high density, and a dense structure, making it resistant to deformation. It also boasts good wear resistance and corrosion resistance. It is commonly used in high-precision scenarios such as precision measurement, optical experiments, and mechanical processing. It provides a stable, flat working reference surface for relevant equipment or operations, reducing the interference of external factors (such as vibration and temperature changes) on precision.