UNPARALLELED LTD is one of the leading manufacturers and suppliers of ultra-stable granite base in China. With abundant experience, we warmly welcome you to buy advanced ultra-stable granite base made in China here from our factory. We also accept custom orders.
Product Overview
This UNPARALLELED® precision granite component is meticulously engineered for ultra-high stability and long-term reliability in demanding industrial applications. Crafted from premium UNPARALLELED® black granite, renowned for its exceptional density (~3100 kg/m³) and superior physical properties, this component delivers unmatched vibration damping, thermal inertia, and wear resistance. Unlike traditional cast iron or steel bases, our granite solution ensures minimal thermal expansion, maintaining nanometer-level accuracy under varying environmental conditions.
Perfect for CNC machinery, coordinate measuring machines (CMM), semiconductor processing equipment, precision laser systems, and optical inspection devices, this granite component forms the foundation of precise and repeatable measurements.
quality control
Product Visual & Design Features
- Shape & Structure: Solid circular disk with a central cutout for component integration or fixture installation. Smooth, polished surfaces optimize contact and alignment.
- Material Texture: Dense black granite with a finely ground, matte-polished finish for minimal surface irregularities.
- Edge & Surface Details: Precision chamfered edges reduce risk of chipping; surface flatness ensures consistent load distribution.
- Size & Weight: Large, single-piece construction suitable for heavy industrial machinery, with high load-bearing capacity.
- Integration Capability: Designed for modular assembly with granite air bearings, measuring instruments, or machine bases.
Technical Specifications
| Specification | Details |
|---|---|
| Material | UNPARALLELED® Black Granite |
| Density | ≈ 3100 kg/m³ |
| Surface Finish | Polished/Matt surface |
| Flatness | ≤ 1 μm (depending on size and assembly) |
| Shape | Circular with central cutout |
| Typical Dimensions | Customizable up to 20m in length, 4m width |
| Applications | CNC Machines, CMM, Laser Equipment, Optical Metrology, Semiconductor Processing |
| Certifications | ISO9001, ISO45001, ISO14001, CE |
| Thermal Expansion Coefficient | Very low, ensures dimensional stability |
| Vibration Damping | Excellent, reduces measurement errors |
factory display
Key Advantages & Unique Selling Points
- Ultra-High Dimensional Stability: Granite's density and low thermal expansion maintain micrometer-level precision.
- Vibration Damping Excellence: Minimizes errors in sensitive metrology and machining applications.
- Durable & Long-Lasting: Highly resistant to corrosion, wear, and mechanical stress.
- Precision Polishing: Surfaces prepared for direct use in high-accuracy measurement and assembly setups.
- Trusted by Global Leaders: Used by Fortune 500 companies and top research institutes worldwide.
- Customizable Solutions: Available in various sizes and configurations to match specialized equipment.
Typical Applications
- Precision CNC & Machining Equipment: Acts as a stable base for high-speed spindles and linear guides.
- Coordinate Measuring Machines (CMM): Provides a vibration-free reference plane.
- Semiconductor & PCB Inspection: Supports optical devices, laser systems, and microfabrication equipment.
- Metrology Labs: Functions as a surface plate or component assembly base with nanometer-level flatness.
- Optical & Laser Equipment: Enhances measurement repeatability and device calibration accuracy.
certificates
FAQs
Q1: Can this granite component be customized in size?
Yes, UNPARALLELED® provides fully customizable dimensions up to 20m in length and 4m in width for heavy industrial machinery requirements.
Q2: How is surface flatness ensured?
Our surfaces are precision ground and polished using advanced CNC and ultraprecision grinding machines, achieving flatness levels down to 1 μm.
Q3: Is this suitable for high-temperature environments?
Yes, the high-density granite has low thermal expansion and excellent heat resistance, maintaining dimensional stability under moderate industrial temperatures.
Q4: How do I verify quality and calibration?
Each component is measured using German Mahr indicators, Mitutoyo micrometers, and laser interferometry. Certificates traceable to national metrology institutes are provided.
Why Choose UNPARALLELED®
At UNPARALLELED®, precision is not negotiable. Our granite components are manufactured in ISO-certified facilities with advanced grinding equipment capable of processing 100-ton single pieces. We uphold uncompromising quality standards, using only high-density UNPARALLELED® black granite for maximum performance. Every product is backed by decades of expertise and trusted by leading industrial and research partners worldwide.
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