Precision Granite Assembly For CMM

UNPARALLELED LTD is one of the leading manufacturers and suppliers of precision granite assembly for cmm in China. With abundant experience, we warmly welcome you to buy advanced precision granite assembly for cmm made in China here from our factory. We also accept custom orders.

In the world of metrology, the difference between a "good" measurement and a "perfect" one lies in the structural stability of the machine base. This Precision Granite Assembly from UNPARALLELED® is engineered to be the rock-solid heart of high-end Coordinate Measuring Machines (CMM) and semiconductor inspection equipment.

While many manufacturers settle for commercial-grade marble, UNPARALLELED® exclusively utilizes our proprietary Black Granite, boasting a density of ≈3100kg/m³. This isn't just a number-it represents a material that is significantly denser, more stable, and physically superior to standard European or American black granites.

• Ultimate Thermal Stability: Our granite has an extremely low coefficient of thermal expansion, ensuring that the critical geometry of your CMM remains constant even with minor temperature fluctuations.
• Nano-Level Precision: Each surface is hand-lapped by master technicians with over 30 years of experience. We don't just reach "microns"; our team is capable of achieving nanometer-level flatness, acting as "walking electronic levels."
• Integrated Mechanical Excellence: As shown in the assembly, we integrate precision metal components and guide rails directly onto the granite structure. This seamless integration ensures the highest motion accuracy for XY Table and Z-axis movements.
• Vibration Damping: The natural density of our black granite provides superior vibration absorption compared to steel or cast iron, which is critical for sub-micron imaging and measurement.

• Material: UNPARALLELED® High-Density Black Granite (Non-porous and acid/alkali resistant).
• Processing Capacity: We can manufacture single-piece components up to 20 meters in length and 100 tons in weight.
• Certification: Fully compliant with international standards including DIN 876, ASME B89.3.7-2013, and JIS B7513.
• Metrology Traceability: All components are measured using Renishaw laser interferometers and Wyler electronic levels, with calibration certificates traceable to National Institutes of Metrology.

This specific granite component is designed as the structural base for:

• Semiconductor Lithography & Inspection: Providing a vibration-free environment for wafer processing.
• Coordinate Measuring Machines (CMM): Serving as the master reference for 3D metrology.
• Precision Laser Machining: Ideal for femtosecond and picosecond laser platforms that require absolute rigidity.
• AOI & Industrial CT: The backbone of automated optical inspection systems.

To maintain the nanometer-level integrity of your UNPARALLELED® granite, we recommend the following:

1. Environmental Control: Operate in a temperature-controlled environment (ideally 20°C ±0.5°C) to prevent thermal drift.
2. Surface Hygiene: Clean daily with a specialized granite cleaner or anhydrous alcohol. Avoid heavy industrial solvents that could leave residues.
3. Loading Precautions: Never slide workpieces across the surface; always place them gently to prevent scratching or "burring" of the lapped finish.
4. Regular Calibration: We suggest an annual recalibration using electronic levels or laser systems to ensure the structural geometry remains within its original DIN class specifications.

The UNPARALLELED® Commitment

We are the only manufacturer in the industry to hold ISO 9001, ISO 45001, ISO 14001, and CE certifications simultaneously. When you choose UNPARALLELED®, you are not just buying a stone base; you are investing in a world-class engineering standard that "promotes the development of ultra-precision industry."

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