UNPARALLELED LTD is one of the leading manufacturers and suppliers of granite machine tool base in China. With abundant experience, we warmly welcome you to buy advanced granite machine tool base made in China here from our factory. We also accept custom orders.
Structure Engineered Around the Load Path, Not Just the Footprint
Most granite bases on the market are simple slabs - flat, rectangular, easy to quote and easy to forget the moment they're bolted down. This one isn't that. UNPARALLELED® machined this tapered granite machine tool base with a wedge-profile cross-section specifically for applications where the structure has to do more than sit flat - where load distribution, integrated routing, and a non-uniform working height are part of the design brief from the start.
If you've been searching for "granite bed for CNC machine," "tapered granite base with integrated bores," or "custom precision granite structure for slant-bed equipment," this component reflects exactly that kind of application-specific engineering.
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Technical Specifications
| Parameter | Specification |
|---|---|
| Material | UNPARALLELED® premium black granite |
| Density | ≈ 3,100 kg/m³ |
| Structure type | Tapered wedge-profile machine base |
| Mounting hole pattern | Precision-bored, custom pitch to drawing |
| Integrated bores | Custom diameter/position for shaft, cable, or coolant routing |
| Surface finish | Precision ground, matte finish |
| Thermal expansion | Approx. 1/10th that of structural steel |
| Calibration traceability | Traceable to national metrology institutes |
| Max single-piece capacity | Up to 100 tons, 20m length (facility capability) |
| Available configuration | Custom taper angle, bore layout, and length to drawing |
Exact dimensions, bore diameters, and hole spacing are configured to your specific machine architecture - see FAQ below.
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Core Advantages
- Structure matched to load path - the tapered cross-section places material where the design actually needs stiffness, rather than carrying uniform mass everywhere.
- Integrated bore routing - shaft clearances, cable channels, and coolant lines are engineered into the block itself, reducing the need for secondary bracketry or exposed routing on the finished machine.
- Dimensionally stable under real shop conditions - negligible thermal drift keeps mounted components aligned across a full production shift.
- Non-magnetic, non-conductive - safe near sensitive electronics, magnetic drive components, and precision gauging.
- Direct bolt-up mounting pattern - precision-bored top-edge holes eliminate field drilling and speed up final assembly.
- Verified high-density material - sourced and controlled to roughly 3,100 kg/m³, distinctly denser and more stable than lower-grade stone substitutes.
- Built entirely to your drawing - taper angle, bore placement, and overall length are manufactured to your machine's actual architecture, not adapted from a standard catalog block.
Where This Base Earns Its Keep
Picture a slant-bed precision platform where the working axis needs more support height at the drive end than at the tailstock end - a uniform rectangular base would either compromise the drive-end stiffness or carry excess, unnecessary mass at the tailstock end. A tapered granite base solves both problems in one structure: full section height where the load and drive components concentrate, a reduced profile where they don't.
The integrated bores serve the same design logic. Rather than routing cables or coolant lines externally along the machine frame, they pass directly through the granite block at the positions the design calls for - a cleaner final assembly, fewer exposed lines vulnerable to damage, and a machine that looks as engineered as it performs.
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FAQ
Can the taper angle and bore layout be customized to my machine design? Yes - the base shown reflects one configuration; taper geometry, bore diameter and placement, mounting hole pitch, and overall length are all manufactured to your drawing or application requirement.
What are the large bores at the taller end actually for? Bore function depends on the application - common uses include shaft or spindle clearance, cable routing, or coolant/hydraulic line passage. Send us your intended use and we'll confirm the correct diameter and tolerance for that function.
How does the wedge profile affect flatness and squareness on the working surfaces? Flatness and squareness are verified independently on each functional face after final grinding - the tapered geometry doesn't compromise the precision of the mounting surfaces, since each face is ground and inspected to its own specification.
Can you produce this base as a single monolithic block at larger sizes? Our large-format grinding and handling equipment supports single-piece workpieces up to roughly 100 tons and 20 meters in length. For larger or transport-constrained designs, we also offer sectional configurations with precision-mated joints.
Is this base suitable for high-vibration or high-speed motion applications? Granite's inherent damping characteristics make it a strong candidate for motion-sensitive applications, though the right structural approach depends on your specific load and speed profile - share your application details and our engineering team will confirm the best configuration.
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