Granite Measuring Platform

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

The Unshakeable Foundation of Ultra-Precision Manufacturing

In the world of nanometer-level manufacturing, a microscopic vibration or a fraction of thermal expansion can render an entire production line useless. The UNPARALLELED® Precision Granite Surface Plate is not just a slab of stone; it is the bedrock of accuracy.

Engineered for the world's most demanding industries, our black granite plates provide the ultimate stability for Coordinate Measuring Machines (CMM), semiconductor lithography, and laser systems. We don't just meet standards; with a density of ~3100kg/m³, we redefine them. When your equipment demands perfection, trust the platform that global industry leaders rely on.

• Authentic High-Density Granite: We strictly refuse to use inferior marble. Our black granite offers double the density of standard stones, ensuring zero deformation under heavy loads.
• Nanometer-Level Precision: Equipped with German Mahr indicators, Swiss WYLER electronic levels, and UK Renishaw laser interferometers, every plate is calibrated to perfection.
• Master Craftsmanship: Our lapping masters possess over 30 years of experience. With a "golden touch," they manually refine surfaces to micron-level smoothness, earning them the industry nickname: "Walking Electronic Levels."
• Trusted by Global Giants: From Apple and Samsung to the National Metrology Institutes of the UK, USA, and France, our platforms support the world's most advanced R&D.
• Military-Grade Stability: Manufactured in a 10,000m² constant temperature/humidity workshop with 1-meter thick reinforced concrete floors and deep anti-vibration trenches.

• Semiconductor Manufacturing: Used as the base for lithography machines and AOI (Automated Optical Inspection) systems to ensure nanometer alignment accuracy, directly improving chip yield rates.
• Metrology & Inspection Labs: Serves as the absolute datum for CMMs, optical comparators, and contour measuring instruments, guaranteeing traceable measurement results.
• Aerospace & Automotive: Essential for assembling large-scale turbine components and engine blocks where thermal stability is non-negotiable.
• New Energy (Li-ion Batteries): Provides a vibration-free platform for coating machines and battery module assembly, ensuring high consistency in mass production.

Q: Why is black granite better than marble for my surface plate?
A: Marble is softer, more porous, and susceptible to thermal expansion. UNPARALLELED® black granite has a density of ~3100kg/m³, making it vastly superior in vibration damping and long-term dimensional stability.

Q: What is the maximum size you can manufacture?
A: We are one of the few manufacturers globally capable of producing monolithic plates up to 20 meters in length and 100 tons in weight. We also offer modular splicing solutions for even larger beds.

Q: How do you ensure the accuracy remains stable over time?
A: Our granite is aged naturally and processed in a controlled environment. We also offer re-calibration services and design our plates with stress-relief structures to maintain nanometer flatness for decades.

Q: Can you customize the plate with T-slots or threaded holes?
A: Absolutely. We provide full CNC machining services to add T-slots, mounting holes, air bearing pockets, or cooling channels according to your specific equipment design.

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