UNPARALLELED LTD is one of the leading manufacturers and suppliers of granite xy table foundation in China. With abundant experience, we warmly welcome you to buy advanced granite xy table foundation made in China here from our factory. We also accept custom orders.
Engineered for Inherent Stability: Why Granite Excels
Our components are precision-crafted from UNPARALLELED® Black Granite, a material specifically chosen for its superior physical characteristics that surpass common European and American black granites. With an exceptional density of approximately 3100 kg/m³, our granite offers unparalleled advantages:
- Vibration Damping: The high mineral content and uniform crystalline structure provide superb damping characteristics, effectively absorbing and isolating disruptive vibrations inherent in industrial environments.
- Thermal Stability: Granite exhibits a very low coefficient of thermal expansion, meaning its dimensions remain highly consistent despite minor temperature fluctuations-a non-negotiable trait for maintaining precision over time. Our bases are manufactured and tested in our 10,000 m² temperature-controlled facility to ensure this stability is absolute.
- Dimensional Accuracy: Unlike metallic substrates, granite is non-magnetic, corrosion-resistant, and inherently stress-free, eliminating internal creep and dimensional drift after manufacturing.
quality control
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BRAND |
UNPARALLELED |
MATERIAL |
Nature Granite |
|
APPLICATION |
Metrology, Inspection and Measuring Machines |
DENSITY |
3070kg/m3 |
|
CONDITION |
NEW CUSTOM |
COLOR |
Pure Black |
|
ORIGIN |
Jinan |
PRECISION |
1 μm or higher |
|
WARRANTY |
1 YEAR |
STANDARD |
DIN, GB, ASME,JIS... |
|
PACKAGING |
Custom Export Package |
CERTIFICATE |
ISO9001, CE... |
|
PAYMENT ITEM |
T/T, L/C... |
KEY WORD |
precision granite structural component |
|
MATERIAL |
Jinan, China; India; South Afica |
TECHNICAL |
Inpsection& Calibration& Assembly |
|
PRICE |
EXW, FOB, CIF, DAP, CPT... |
SERVICE |
Design drawings |
factory display


A Masterpiece of Machining and Metrology
The component pictured here is a prime example of our complex, multi-axis granite foundation designed for advanced metrology or motion control applications. It features multiple surfaces machined to exacting geometric tolerances, forming the critical reference planes for linear guides, air bearings, and motor mounting points.
Our proprietary process ensures every complex feature-from the integrated reference planes to the precisely spaced mounting inserts-is manufactured and verified with supreme confidence:
- Ultra-Large Scale Capabilities: We handle monoliths up to 100 tons and lengths up to 20 meters, ensuring large-scale structural integrity without seams or compromises.
- Nanometer Flatness: Utilizing our custom Taiwan NANT grinding machines and the exceptional skill of our 30-year master lapping craftsmen-often described as "walking electronic levels"-we achieve flatness and geometric tolerances verified down to the nanometer level.
- Guaranteed Quality: Our operations adhere strictly to international standards (e.g., DIN 876, ASME, JIS) and are backed by the industry's sole collective certification of ISO 9001, ISO 14001, ISO 45001, and CE.
services
Application Domains: Where Precision Granite is Essential
This Precision Granite Component is the silent engine behind advancements in several critical industries:
- Semiconductor Manufacturing Equipment: Base structures for wafer inspection, bonding, and lithography systems.
- High-Speed Motion Platforms (XY Tables): Foundational support for linear motors, providing the stable reference for high-acceleration moves.
- Metrology and Quality Control: Bases for Coordinate Measuring Machines (CMMs), optical inspection (AOI) equipment, and contour measuring devices.
- Laser and Optical Systems: Stable platforms for femtosecond and picosecond lasers, ensuring beam path alignment remains unshifted.
- Aerospace & Automotive Inspection: Support for large-scale jigs, fixtures, and specialized precision granite assembly stations.
certificates

Maintenance and Longevity
One of the greatest benefits of granite is its simple maintenance, ensuring decades of reliable service:
- Cleaning: Regularly wipe down surfaces using a lint-free cloth and a non-abrasive, neutral cleaning solution. Crucially, avoid harsh chemical cleaners that could compromise any installed metal inserts or epoxies.
- Environment: While our granite is inherently stable, maintaining your operating environment within specified temperature and humidity ranges will maximize performance. Our commitment to no cheating, no concealment, and no misleading means we provide full thermal characterization data with every component.
- Calibration: While granite holds its form exceptionally well, we recommend periodic precision metrology audits using instruments like laser interferometers to verify the continued nanometer-level flatness and geometry, especially after major system moves or maintenance.
UNPARALLELED Group: Providing the ultimate stable foundation, allowing your innovation to build on solid ground.
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