Quick Look
| Density | Melting Point | Thermal Conductivity | Electrical Conductivity | Coefficient of Expansion |
|---|---|---|---|---|
| 0.8-1.5 g/cm³ | 200-400°C | 0.1-0.3 W/m·K | Insulator | 30-100 µm/m·K |
About the Material
Materials We Support：
| Code | Name | Color | Density (g/cm³) | Hardness | Tensile Strength, Yield (MPa) | Elongation at Break (%) | Heat Deflection Temperature (°C) |
| PF | Phenol-formaldehyde Resin Bakelite | Tangerine Yellow Black Red | 1.37-1.46 | 85~95 Shore D | 40~60 | 1~2 | 150~180 |
| FR4 | / | White Light green Yellow Black | 1.9 | 55~65 Shore D | 140~200 | 1.5~3 | 130~140 |
| CDM | / | Gray Black Blue | 1.9 | 10 HM | 1500~3500 | 0.5~2 | 120~250 |
Advantages:
Electrical Insulation: Insulation materials are excellent for applications that require electrical isolation.
Thermal Resistance: High thermal resistance makes these materials suitable for heat shielding and thermal insulation.
Lightweight: These materials are lightweight, which makes them easy to use in applications where weight is a factor.
Chemical Resistance: Resistant to various chemicals, ensuring durability in challenging environments.
Limitations:
Machinability: Some insulation materials can be brittle, making them challenging to machine without cracking or breaking.
Lower Strength: Insulation materials often have lower mechanical strength compared to metals or engineering plastics.
Tool Wear: Machining some insulation materials may cause tool wear due to their abrasive properties.
Chemical Composition Table for Insulation Materials
| Element | Typical Composition |
| Carbon (C) | Varies |
| Hydrogen (H) | Varies |
| Silicon (Si) | Varies |
| Other Additives | Varies |
Mechanical Machining Properties Table for Insulation Materials
| Property | Value |
| Machinability Rating | Moderate |
| Cutting Speed (m/min) | 100-200 |
| Tool Wear Resistance | Low to Moderate |
| Coolant Requirement | Optional |
| Surface Finish Quality | Moderate |
Design Parameters Table for CNC Machining Insulation Materials
| Maximum Bulid Size (mm) | Minimum Wall Thickness (mm) | Minimum Assembly Gap (mm) | Tolerance (mm) | Minimum End Mill Size (mm) | Minimum Drill Size (mm) |
| 3600x2500x600 | 1 | 0.01 | Minimum 0.01 | 1 | 0.5 |
Industry Applications and Case Studies for CNC Machining Insulation Materials
Electronics Industry:
Application: Production of insulating components for circuit boards and electronic devices.
Case Study: An electronics manufacturer used CNC machining to produce insulation barriers for circuit boards, ensuring electrical isolation and safety.
Automotive Industry:
Application: Manufacturing of thermal shields and electrical insulation components.
Case Study: An automotive supplier utilized CNC machining to create thermal shields for electric vehicles, providing both heat and electrical insulation.
Construction Industry:
Application: Production of insulation panels and thermal barriers.
Case Study: A construction company used CNC machining to produce custom insulation panels, improving energy efficiency in buildings.
Frequently Asked Questions (FAQs) about CNC Machining Insulation Materials
What are the benefits of using insulation materials in CNC machining?
Insulation materials offer excellent electrical insulation, thermal resistance, and chemical resistance, making them suitable for a variety of applications.
Is CNC machining suitable for high-volume insulation material production?
Yes, CNC machining can be used for both prototyping and high-volume production of insulation components.
What industries benefit from CNC machining insulation materials?
Industries such as electronics, automotive, and construction benefit from the properties of insulation materials.
How do insulation materials compare to engineering plastics in terms of strength?
Insulation materials generally have lower mechanical strength compared to engineering plastics but offer better electrical and thermal insulation properties.
What are the limitations of using insulation materials in CNC machining?
Limitations include lower mechanical strength, potential brittleness, and tool wear during machining.
Can insulation materials withstand high temperatures?
Many insulation materials can withstand temperatures up to 250°C, making them suitable for thermal insulation applications.
What tolerances can be achieved with CNC machining insulation materials?
Typical tolerances are ±0.2 mm, depending on the specific requirements of the part.
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