silicon carbide ceramic robotic arm

Product Overview

Puwei's Silicon Carbide (SiC) Ceramic Structural Parts are engineered for extreme durability and precision in the most demanding environments. With exceptional hardness (2500 HV) and thermal stability up to 1650°C, these components outperform traditional materials in wear resistance, chemical inertness, and dimensional stability. Ideal for Electronic Packaging and Microelectronics Packaging, they ensure reliable performance in high power microelectronic components and critical industrial applications.

Precision-machined SiC structural parts with micron-level tolerances

Technical Specifications

• Material: High-purity Silicon Carbide (SiC)
• Hardness: 2500 HV (Vickers)
• Density: 3.10-3.20 g/cm³
• Flexural Strength: 350-450 MPa
• Compressive Strength: 2200-2500 MPa
• Thermal Conductivity: 120-200 W/(m·K)
• Thermal Expansion: 4.0-4.5 × 10⁻⁶/°C
• Max Operating Temperature: 1650°C (inert atmospheres)
• Thermal Shock Resistance: Excellent (ΔT > 800°C)
• Diameter Tolerance: ±0.005 mm
• Surface Roughness: Ra 0.1 μm
• Flatness: Up to 0.001 mm/mm

Product Features & Advantages

• Exceptional Wear Resistance: 3-5x longer service life than metals, reducing replacement costs.
• Superior Thermal Management: High thermal conductivity and shock resistance for stable operation in Power Devices and high-frequency modules.
• Chemical Inertness: Resists acids, alkalis, and corrosive environments.
• Precision Machining: CNC capabilities achieve micron-level tolerances for Sensor packaging and integrated circuit tools.
• Non-contaminating Surfaces: Burr-free, pore-free surfaces ideal for cleanroom applications.
• Lightweight & Strong: Lower density than steel with higher mechanical strength.

Diverse range of SiC structural components for industrial applications

Implementation & Integration Steps

1. Assess Application: Evaluate temperature, pressure, chemical exposure, and mechanical loads.
2. Optimize Design: Collaborate with Puwei engineers to refine geometry and material selection.
3. Develop Prototype: Manufacture and test functional prototypes for validation.
4. Precision Installation: Use proper fixtures and alignment tools to handle components carefully.
5. Validate Performance: Test under controlled conditions to verify metrics.
6. Scale Production: Ramp up to volume production with consistent quality.

Application Scenarios

Semiconductor Manufacturing

Used in wafer handling, electrostatic chucks, and reaction chambers for contamination-free processing in Microelectronics Packaging and device fabrication.

SiC ceramic crystal boat designed for semiconductor wafer processing

Aerospace & Defense

Ideal for turbine blades, nozzles, and thermal protection systems due to lightweight construction and stability at extreme temperatures.

Energy Sector

Critical in nuclear and solar energy components like heat exchangers, where radiation resistance and high-temperature capability are essential.

Industrial Machinery

Extends service life in mechanical seals, bearings, and pumps operating in abrasive environments.

Advanced Electronics & Communications

RF components and heat spreaders leverage SiC's thermal properties for high-frequency modules and communication systems.

Business Value & ROI

• Extended Lifespan: 3-5x longer service life reduces replacement frequency and downtime.
• Lower Maintenance Costs: Minimizes maintenance requirements through superior wear resistance.
• Improved Efficiency: Enables higher operating temperatures and speeds for productivity gains.
• Enhanced Contamination Control: Essential for semiconductor, medical, and food processing purity.
• Energy Savings: Reduced friction and better thermal efficiency lower operational expenses.

Certifications & Compliance

Puwei maintains ISO 9001:2015 Quality Management System certification, with full compliance to RoHS and REACH environmental standards. Our processes ensure material traceability and batch consistency, supported by proprietary manufacturing technologies.

Customization Options

We offer comprehensive OEM & ODM services, including:
- Complex geometries with tight tolerances (±0.005 mm).
- Specialized surface finishes from Ra 0.1 μm to textured surfaces.
- Optimized material grades for specific applications.
- Full support from prototype development to volume production.

Production Process

1. Raw Material Preparation: High-purity SiC powder selection and formulation.
2. Advanced Forming: Dry pressing, isostatic pressing, or injection molding.
3. Precision Sintering: Controlled atmosphere sintering up to 2100°C.
4. CNC Machining: State-of-the-art grinding for micron-level precision.
5. Quality Verification: 100% dimensional inspection and property testing.
6. Final Validation: Application-specific testing and performance verification.