UNPARALLELED LTD is one of the leading manufacturers and suppliers of granite base with mounting holes in China. With abundant experience, we warmly welcome you to buy advanced granite base with mounting holes made in China here from our factory. We also accept custom orders.
Product Overview
The product shown is a customized multi-level precision granite structure consisting of a thick rectangular base and raised upper mounting sections.
Its design combines several functional features:
- Multi-level structural design: Raised upper sections create different mounting heights and functional working planes.
- Precision-machined top surfaces: Flat mounting areas provide interfaces for equipment installation and mechanical alignment.
- Distributed mounting holes: Multiple holes on the upper and side surfaces can be customized for fastening, positioning, or assembly connections.
- Solid rectangular base: The thick lower structure provides a substantial supporting foundation for the complete assembly.
- Custom mechanical interfaces: Hole positions, recesses, dimensions, and mounting features can be manufactured according to approved drawings.
- Black granite appearance: The dark, fine-textured surface gives the component a clean and professional industrial finish.
The actual function of each hole, mounting surface, and raised section depends on the customer's engineering design.
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Technical Specifications
| Parameter | Product Description | Customization Options |
|---|---|---|
| Product Name | Multi-Level Precision Granite Machine Base | Customized granite mechanical structure |
| Brand | UNPARALLELED® | OEM / ODM manufacturing |
| Main Material | High-density black precision granite | Material selection according to application |
| Typical Density | Approx. 3,100 kg/m³ | Subject to material specification |
| Structure | Rectangular base with raised upper mounting sections | Customized stepped or multi-level geometry |
| Surface Finish | Precision-machined granite surfaces | Grinding, lapping, or localized finishing |
| Mounting Holes | Multiple holes on top and side surfaces | Hole diameter, depth, pitch, and position to drawing |
| Mounting Interfaces | Multiple horizontal mounting areas | Customized locating and assembly interfaces |
| Overall Dimensions | To be specified | Custom length, width, and thickness |
| Flatness | According to approved technical drawing | Project-specific tolerance |
| Parallelism | According to approved technical drawing | Project-specific tolerance |
| Perpendicularity | According to approved technical drawing | Project-specific tolerance |
| Threaded Inserts | Optional, if required | Insert type, material, and thread specification |
| Applications | Precision machinery and equipment structures | Semiconductor, metrology, optical inspection, and automation |
| Inspection | Dimensional and geometric inspection | Inspection report according to project requirements |
Note: The table describes the visible product configuration and available customization possibilities. Exact dimensions, tolerances, hole specifications, material grade, and inspection requirements must be confirmed against the approved engineering drawing.
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Key Features and Advantages
3.1 Multi-Level Granite Structure for Flexible Equipment Integration
The stepped configuration provides several mounting heights within one granite assembly.
This arrangement can help equipment designers position different mechanical modules at their required elevations without relying entirely on additional support plates or complicated adapter structures.
Depending on the equipment design, the raised sections may be used to support guideways, positioning assemblies, measuring modules, or other mechanical components.
3.2 High-Density Black Granite Material
The component is manufactured using UNPARALLELED® Black Granite, with a typical material density of approximately 3,100 kg/m³.
Precision granite is widely used in demanding mechanical and metrology applications because of its dimensional stability, corrosion resistance, and useful vibration-damping characteristics.
Compared with conventional ferrous structures, granite also offers a non-rusting, non-magnetic, electrically insulating material option.
The final performance depends on the selected granite material, component geometry, support conditions, and operating environment.
3.3 Customized Mounting Holes and Interfaces
The visible product features multiple machined holes distributed across its upper and side surfaces.
These features can be designed to accommodate different assembly requirements, including:
Fastening and mounting points
Locating and positioning features
Dowel-pin holes
Threaded metal inserts
Mechanical connection interfaces
Equipment-specific installation features
Hole diameter, depth, spacing, position, and insert specifications can be defined according to customer drawings.
Accurate interface positioning is particularly important when the granite base must connect with linear guides, precision stages, optical assemblies, or other components.
3.4 Stable Reference Surfaces
Precision-machined granite surfaces can provide functional reference planes for equipment installation and alignment.
Depending on the design, different surfaces may serve as mounting datums, support faces, or alignment references.
For demanding applications, flatness, parallelism, perpendicularity, and positional tolerances should be clearly specified and inspected according to the approved drawing.
3.5 Corrosion Resistance and Long-Term Use
Natural granite does not rust like conventional carbon steel.
Its hardness and wear resistance also make it suitable for many industrial environments where dimensional consistency and surface durability are important.
With appropriate handling, installation, and maintenance, a properly manufactured granite component can serve as a durable structural element in precision equipment.
Why Choose a Precision Granite Machine Base?
The machine base is more than a support block. It helps establish the geometric relationship between the mechanical components installed on it.
In precision equipment, even small structural variations can affect guide alignment, positioning consistency, and the relationship between measurement components.
A properly engineered granite machine base can provide several benefits:
Dimensional stability
Precision granite is selected for its useful dimensional stability under controlled operating conditions. This can help maintain the geometric relationships between mounted components.
Vibration damping
Granite has useful vibration-damping characteristics, making it a practical structural material for selected precision machinery and metrology applications.
Non-magnetic properties
Natural granite is non-magnetic, which can be beneficial in equipment designs where magnetic interference must be considered.
Electrical insulation
Granite is electrically insulating, providing an alternative to conductive metal structures in applications where electrical isolation is relevant.
Customized mechanical interfaces
Drilled holes, mounting areas, recesses, and other features can be integrated into the granite structure to match the equipment layout.
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FAQ
Q1: What is a multi-level precision granite machine base?
A multi-level precision granite machine base is a customized granite structure with two or more mounting elevations or functional surface levels. It is used to support mechanical modules that require different installation heights or reference planes.
Q2: Can the mounting holes be customized?
Yes. Hole diameter, depth, pitch, position, and type can be manufactured according to approved engineering drawings. Threaded inserts and other metal interfaces can also be considered where required.
Q3: Can this granite base be manufactured in different dimensions?
Yes. The overall length, width, thickness, step heights, mounting surfaces, and other structural features can be customized according to project requirements and manufacturing feasibility.
Q4: What material is used for this precision granite base?
The product is designed for precision granite manufacturing using UNPARALLELED® Black Granite. The typical density of this material is approximately 3,100 kg/m³. Final material specifications should be confirmed for each project.
Q5: What tolerances can be achieved?
The achievable tolerances depend on component dimensions, geometry, material condition, machining processes, and inspection requirements. Please provide your drawings and critical tolerance specifications for a technical evaluation.
Q6: Can metal threaded inserts be installed in granite?
Yes. Metal inserts can be integrated into granite components when required by the design. Insert material, thread size, installation position, and mechanical loading requirements should be specified before manufacturing.
Q7: What industries use precision granite machine bases?
Typical applications include semiconductor equipment, CMM systems, optical inspection machines, laser processing equipment, precision motion platforms, metrology systems, and industrial automation.
Q8: What information is needed to request a quotation?
Please provide a 2D drawing or 3D CAD model, overall dimensions, material requirements, critical tolerances, hole specifications, order quantity, application details, and delivery destination.
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