UNPARALLELED LTD is one of the leading manufacturers and suppliers of integrated linear guide rail in China. With abundant experience, we warmly welcome you to buy advanced integrated linear guide rail made in China here from our factory. We also accept custom orders.
Product Description
When Stability Meets Precision Motion: The UNPARALLELED® Granite Motion Base
In high-precision automation, vibration, thermal drift, and deformation are silent killers of accuracy. That's why innovators in semiconductor, photonics, aerospace, and medical device manufacturing turn to UNPARALLELED® - the global leader in engineered granite solutions - for motion platforms that combine rock-solid stability with micron-level repeatability.
Our Precision Granite Motion Base with Integrated Linear Guide Rail isn't just a foundation - it's a performance multiplier. Machined from our proprietary high-density black granite (≈3100 kg/m³), this platform offers near-zero thermal expansion, superior damping, and unmatched long-term dimensional stability - all while supporting smooth, precise linear motion via a factory-installed, pre-aligned guide rail.
Forget compromises between rigidity and mobility. With UNPARALLELED®, you get both - engineered to your exact specifications.
Technical Specifications
| Parameter | Specification |
|---|---|
| Base Material | UNPARALLELED® Black Granite (Density: ~3100 kg/m³) |
| Surface Flatness | ±0.5 μm over 100 mm (Grade 00 per DIN 876) |
| Thermal Expansion Coefficient | < 0.5 × 10⁻⁶ /°C |
| Damping Capacity | 5–10× higher than cast iron or steel |
| Linear Guide Rail | Hardened steel, ground precision class (e.g., THK, HIWIN, NSK compatible) |
| Rail Integration | Flush-mounted, stress-relieved epoxy bonding + mechanical anchoring |
| Mounting Holes | M6/M8 threaded holes (custom patterns available) |
| Standard Sizes | 300×150×50 mm up to 2000×600×150 mm |
| Customization | Full CAD-to-part service: length, hole pattern, rail type, surface finish |
| Certifications | ISO 9001, ISO 14001, CE, full calibration traceable to NIST/PTB |
Every unit undergoes laser interferometry flatness testing and comes with a certificate of conformity.
quality control
Why Choose This Granite Motion Base?
- Unrivaled Stability: Granite's natural crystalline structure provides excellent vibration damping - critical for nanometer-scale processes.
- Thermal Immunity: With a near-zero expansion coefficient, your system stays calibrated across temperature swings.
- Seamless Rail Integration: Our proprietary bonding process ensures no rail lift, twist, or stress - even under dynamic loads.
- Long-Term Value: Unlike cast iron, granite doesn't rust, warp, or require frequent recalibration.
- Cleanroom Compatible: Non-porous, non-magnetic, and particle-free - ideal for semiconductor and medical environments.
- Made-to-Order Flexibility: From prototyping to mass production, we support any size, rail type, or interface requirement.
Real-World Use Cases
Deployed in:
✅ Semiconductor wafer inspection and metrology tools
✅ Laser cutting and marking system bases
✅ Optical alignment stages for telescope and lidar assembly
✅ High-resolution industrial CT scanners
✅ Precision robotics and pick-and-place platforms
You Gain:
- Reduced system downtime thanks to stable, maintenance-free operation
- Higher measurement repeatability due to minimal thermal and mechanical drift
- Faster integration with pre-aligned rail and standardized mounting
- Future-proof scalability through modular design and customization
certificates
FAQ
Q: Can I specify the brand or model of the linear rail?
A: Yes. We integrate rails from THK, HIWIN, NSK, Bosch Rexroth, or your preferred supplier - or supply the granite base only for your own rail installation.
Q: How is the rail attached to the granite?
A: Using a dual-method approach: high-strength, low-shrinkage epoxy + mechanical dowel pins or slots. This prevents delamination under thermal cycling or shock loads.
Q: What's the lead time for custom sizes?
A: Standard sizes ship in 7–10 days. Custom configurations typically take 2–3 weeks, depending on complexity.
Q: Is this suitable for vertical or overhead mounting?
A: Yes - with proper reinforcement and mounting design. Our engineering team can provide FEA analysis upon request.
Q: Do you offer surface scraping or oil grooves?
A: While granite doesn't require oil lubrication, we can add custom channels, recesses, or sensor pockets as needed for your application.
Why Partner with UNPARALLELED®?
Because precision isn't accidental - it's engineered.
With 20+ international patents, 4 advanced NanTec grinding centers, and collaborations with institutions like Tsinghua University and KTH Royal Institute of Technology, we don't just meet standards - we set them.
Our clients - including Samsung, GE Healthcare, and leading European automation integrators - rely on us because when failure is not an option, neither is compromise.
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