Granite Air Bearing Platform

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

In the world of ultra-precision manufacturing, the foundation dictates the accuracy. Steel may be strong, but it expands with heat and vibrates under friction. At UNPARALLELED®, we believe true stability comes from nature.
This custom-engineered Precision Granite Base isn't just a piece of stone; it is the unshakeable backbone of your high-precision equipment. Carved from our proprietary UNPARALLELED® high-density black granite (density ≈ 3100kg/m³), this component provides near-zero thermal expansion and exceptional damping capacity. Whether you are building the next generation of semiconductor lithography machines or high-speed automated optical inspection (AOI) systems, this base ensures your machine performs at the nanometer level, day in and day out.

• Superior Stability: Unlike standard marble or low-grade granite, our proprietary material has a density of ~3100kg/m³. It resists deformation under heavy loads and temperature fluctuations, ensuring zero thermal drift.
• Exceptional Damping Capacity: Granite naturally absorbs vibration 6 to 10 times better than cast iron or steel. This is critical for maintaining accuracy during high-speed machining or scanning operations.
• Machinable Precision: Despite its hardness, our granite is expertly machined to achieve nanometer-level flatness. We can integrate complex features like T-slots, threaded holes, and precision air bearing surfaces directly into the stone.
• Non-Magnetic & Corrosion Resistant: Ideal for medical imaging (MRI), electron microscopy, and harsh industrial environments where steel would rust or interfere with sensitive electronics.
• Zero Deformation: Unlike cast iron, granite doesn't suffer from internal stress relaxation, meaning your machine's accuracy will remain constant for decades.

This versatile granite structure serves as the perfect foundation for:

• Coordinate Measuring Machines (CMM): Providing the stable reference frame for metrology-grade accuracy.
• Semiconductor & PCB Equipment: As a base for wafer steppers, drilling machines, and AOI systems.
• Precision Laser Systems: Supporting femtosecond and picosecond laser equipment without thermal distortion.
• Automated Optical Inspection (AOI) & Industrial CT: Ensuring vibration-free scanning for medical and industrial imaging.

Q: Why should I choose UNPARALLELED® granite over cheap marble bases?

A: Marble is essentially calcium carbonate, which is soft, porous, and chemically unstable. It absorbs moisture and deforms easily. Our granite is a silicate-based rock with a density of 3100kg/m³. We strictly reject the use of marble substitutes, guaranteeing you a true industrial-grade precision base.

Q: Can you manufacture this to my exact CAD design?

A: Absolutely. Our CNC equipment can handle parts up to 100 tons, and our grinding machines handle lengths up to 6000mm. Simply send us your drawings, and our engineers will handle the rest.

Q: How do you guarantee the flatness accuracy?

A: We use German Mahr dial indicators (0.5µm), British Renishaw laser interferometers, and Swiss WYLER electronic levels. All equipment is calibrated by the Jinan/Shandong Metrology Institute, with traceability to national standards.

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