Metrology Equipment Trends

UNPARALLELED LTD is one of the leading manufacturers and suppliers of metrology equipment trends in China. With abundant experience, we warmly welcome you to buy advanced metrology equipment trends made in China here from our factory. We also accept custom orders.

This custom precision granite machine base is designed with multiple machined surfaces and mounting interfaces to accommodate different equipment configurations.

1. High-Density Black Granite Structure

The main body is manufactured from UNPARALLELED® Black Granite, selected for its high density, dimensional stability and physical properties. The material provides a reliable structural foundation for precision mechanical systems.

2. Multiple Precision-Machined Mounting Holes

The upper surface features distributed mounting holes and larger circular openings. These features can be customized for fastening, positioning, locating pins, threaded inserts or other mechanical interfaces according to the approved engineering drawing.

3. Multi-Surface Machining

Machined holes and openings are also present on the side faces. This allows equipment designers to integrate mounting components and functional interfaces into different directions of the granite structure.

4. Stepped Structural Configuration

The lower section features a stepped geometry with an extended support area. This design can accommodate application-specific mounting arrangements, mechanical clearances and equipment integration requirements.

5. Custom Precision Finishing

Reference surfaces and mounting interfaces can be ground or lapped according to the required dimensional and geometric tolerances.

Every critical feature is defined according to the customer's technical drawings and inspection requirements.

Note: The above specifications describe the product configuration and available customization options. Final dimensions, tolerances, hole positions, material specifications and inspection requirements are subject to the approved technical drawing.

The material used in a precision machine structure directly influences its long-term performance. For demanding applications, granite offers several useful characteristics that make it an established engineering material.

1. Excellent Dimensional Stability

Precision granite is widely used in metrology and high-precision machinery because of its dimensional stability.

Compared with conventional machine structures, properly selected granite can provide a stable reference structure with relatively low thermal expansion. This helps reduce dimensional changes caused by temperature fluctuations.

For equipment that requires accurate positioning and consistent geometric relationships, material stability is an important consideration.

2. Excellent Vibration-Damping Characteristics

Mechanical vibration can affect positioning accuracy, measurement repeatability and optical system performance.

Granite has useful inherent vibration-damping characteristics, making it suitable for precision machine bases, optical inspection systems and metrology structures.

A properly designed granite base can help reduce the transmission of unwanted vibration through the machine structure.

3. High Material Density

UNPARALLELED® Black Granite has a material density of approximately 3,100 kg/m³.

Its high density provides substantial structural mass, which is beneficial in many precision equipment applications where stability and vibration control are important.

4. Corrosion Resistance and Long Service Life

Unlike conventional ferrous metal structures, granite does not rust.

It also offers good wear resistance and dimensional stability under suitable operating conditions, making it a practical choice for long-term industrial applications.

5. Custom-Machined Mechanical Interfaces

A precision machine base must do more than support equipment weight. It must also provide accurate mounting references and reliable interfaces.

UNPARALLELED® can manufacture customized:

• Through holes and blind holes
• Threaded inserts and mounting holes
• Counterbores and countersinks
• Dowel pin holes
• Recesses and pockets
• Guideway mounting surfaces
• Custom stepped structures
• Multiple precision reference surfaces

These features can be integrated into the granite component according to your equipment design.

Q1: Can UNPARALLELED® manufacture custom precision granite machine bases according to our drawings?

Yes. We specialize in custom precision granite components manufactured according to customer-provided 2D and 3D drawings. We can review dimensions, hole positions, tolerances, mounting interfaces and other technical requirements before production.

Q2: What types of mounting holes can be machined into a granite base?

Depending on the design, we can process through holes, blind holes, counterbores, countersinks, dowel pin holes and threaded insert interfaces. The exact hole dimensions and machining requirements should be specified in the approved drawing.

Q3: What is the density of UNPARALLELED® Black Granite?

Our UNPARALLELED® Black Granite has a typical density of approximately 3,100 kg/m³. Actual material specifications can be confirmed according to the selected material and project requirements.

Q4: Why choose granite instead of steel for a precision machine base?

Granite offers useful advantages in dimensional stability, vibration damping and corrosion resistance. Steel may offer advantages in tensile strength, structural flexibility and certain load-bearing applications. The appropriate material depends on the machine design, loading conditions, thermal environment and accuracy requirements.

Q5: Can granite machine bases be used in semiconductor equipment?

Yes. Precision granite structures are used in various semiconductor-related applications, including inspection systems, metrology equipment, optical platforms and precision motion systems. Final suitability depends on the machine's structural, environmental and integration requirements.

Q6: What dimensional accuracy can you achieve?

Accuracy requirements are evaluated individually according to the component's dimensions, geometry, reference surfaces and inspection conditions. Please provide your drawings and tolerance requirements so our engineering team can review the achievable specifications.

Q7: Can you supply granite components with metal inserts or assembled structures?

Yes. Metal inserts and customized interfaces can be integrated into granite components where required. Multi-component granite assemblies and additional mechanical interfaces can also be discussed during the engineering review.

Q8: What information should I provide when requesting a quotation?

To help us prepare an accurate quotation, please provide:

• 2D or 3D technical drawings (PDF, DWG, DXF or STEP)
• Overall dimensions and material requirements
• Flatness, parallelism and other tolerance requirements
• Hole positions and insert specifications
• Required quantity
• Application and operating environment
• Destination country and expected delivery schedule

Our team will review your requirements and provide a suitable manufacturing proposal.

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