UNPARALLELED LTD is one of the leading manufacturers and suppliers of thermally stable granite parts in China. With abundant experience, we warmly welcome you to buy advanced thermally stable granite parts made in China here from our factory. We also accept custom orders.
PRODUCTS DETAILS
UNPARALLELED provides high-precision granite machine components made from top-grade black granite, ideal for use in coordinate measuring machines (CMM), PCB drilling & milling machines, laser equipment, and CNC machinery. With exceptional stability, wear resistance, and non-magnetic properties, our thermally stable granite parts ensure long-term accuracy and mechanical integrity under high-stress working conditions.
We offer large-scale custom granite parts with dimensions up to 12,000 mm in length, 5,000 mm in width, and 800 mm in height, tailored to your design requirements.
Applications
Our thermally stable granite parts are widely used in:
- Coordinate Measuring Machines (CMM)
- CNC Machining Centers
- PCB Drilling & Routing Machines
- Laser Cutting & Engraving Equipment
- Semiconductor Inspection Systems
- Precision Metrology & Calibration Platforms
OVERVIEW
CUSTOM CASES
Technical Specifications
| Item | Specification |
|---|---|
| Material | High-quality black granite |
| Max Size | 12,000 × 5,000 × 800 mm |
| Surface Flatness | Up to 0.001 mm |
| Hardness | ≥ 7 Mohs |
| Density | 2.97 g/cm³ |
| Thermal Expansion | 5.5 × 10⁻⁶ /°C |
| Compliance | DIN 876 / GB / JIS Standards |
SERVICES
FACTORY DISPLAY
Product Types Available
- Granite Bases & Columns
- Machine Tool Platforms
- Linear Rail Mounting Blocks
- Granite Beams and Bridges
- Granite Fixtures and Custom-Machined Parts
- Assembly Plates with Threaded Inserts and Grooves
All components are processed using CNC equipment and precision hand-lapping, with optional inserts (stainless steel, brass, or cast iron) for mounting and assembly.
QUALITY CONTROL
Laser Interferometer
Electric Level
Roughness Meter
Vernier Caliper
Dial Gauge
Inductance Micrometer
CEITIFICATES
Why Choose UNPARALLELED?
- Design Protection: Your drawings and product data are kept strictly confidential.
- Advanced Processing: Equipped with precision CNC machines and granite calibration instruments.
- Global Export Experience: Trusted supplier to OEMs in Europe, Asia, and North America.
- Win-Win Philosophy: We grow together with our clients through stable quality and long-term cooperation.
PACKING&DELIVERY
- Packaging: Wooden crates with foam padding, moisture protection, and anti-vibration design
- Lead Time: 15–35 days, depending on complexity and quantity
- Shipping: Worldwide delivery by sea, air, or express (DHL, UPS, FedEx)
FAQ
Who are we?
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UNPARALLELED starts 1896, has the most advanced measuring and inspection equipment. We can manufacture a variety of ultra-high precision mechanical components for high-end machines.
Why should you buy from us?
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Only UNPARALLELED can offer warranty of 1 year for the precision of each product.
How can I reduce wear and extend the life of my surface plate?
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First, it is important to keep the plate clean. Airborne abrasive dust is usually the greatest source of wear and tear on a plate, as it tends to embed in work pieces and the contact surfaces of gages.
Second, cover your plate to protect it from dust and damage. Wear life can be extended by covering the plate when not in use, by rotating the plate periodically so that a single area does not receive excessive use, and by replacing steel contact pads on gauging with carbide pads.
Also, avoid setting food or soft drinks on the plate. Note that many soft drinks contain either carbonic or phosphoric acid, which can dissolve the softer minerals and leave small pits in the surface.
Looking for reliable, thermally stable granite parts for your CNC or metrology equipment? Send us your drawings and specifications - we'll deliver precision you can count on.
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