Quick Look
| Density | Melting Point | Thermal Conductivity | Electrical Conductivity | Coefficient of Expansion |
|---|---|---|---|---|
| 1.0-1.5 g/cm³ | Not Applicable | 0.15-0.25 W/m·K | Insulator | 200-300 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) |
| PU | Polyurethane | Multiple colors | 1.09-1.3 | 50~70 Shore D | 28~70 | 100~200 | 60~100 |
Advantages:
Flexibility: Rubber's flexibility makes it ideal for parts requiring elasticity and the ability to withstand deformation.
Shock Absorption: Excellent shock-absorbing properties make rubber suitable for vibration damping and cushioning applications.
Chemical and Weather Resistance: Rubber is resistant to a wide range of chemicals and is suitable for outdoor use.
Non-Slip Surface: Rubber provides a good grip, which is beneficial for parts that require non-slip characteristics.
Limitations:
Machinability: Rubber can be challenging to machine due to its softness and tendency to deform under cutting forces.
Dimensional Stability: Rubber parts may have lower dimensional stability due to their flexibility and thermal expansion.
Tool Wear: Machining rubber can result in significant tool wear, especially when dealing with tough rubber compounds.
Chemical Composition Table for Rubber
| Element | Typical Composition |
| Carbon (C) | High |
| Hydrogen (H) | High |
| Sulfur (S) | Varies |
| Other Additives | Varies |
Mechanical Machining Properties Table for Rubber
| Property | Value |
| Machinability Rating | Low |
| Cutting Speed (m/min) | 10-20 |
| Tool Wear Resistance | Low |
| Coolant Requirement | Not Required |
| Surface Finish Quality | Moderate |
Design Parameters Table for CNC Machining Rubber
| 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 Rubber
Automotive Industry:
Application: Production of gaskets, seals, and vibration dampers.
Case Study: An automotive manufacturer used CNC machining to create rubber gaskets, providing effective sealing and vibration isolation.
Construction Industry:
Application: Manufacturing of anti-vibration pads and weatherproof seals.
Case Study: A construction company utilized CNC machining to produce rubber pads for heavy machinery, reducing vibrations and protecting surfaces.
Consumer Products:
Application: Production of grips, handles, and non-slip mats.
Case Study: A consumer goods manufacturer used CNC machining to create rubber grips for tools, enhancing user comfort and safety.
Frequently Asked Questions (FAQs) about CNC Machining Rubber
What are the benefits of using rubber in CNC machining?
Rubber offers flexibility, shock absorption, and chemical resistance, making it ideal for seals, gaskets, and vibration dampers.
Is CNC machining suitable for high-volume rubber production?
CNC machining can be used for rubber prototyping and low to moderate volume production, but other methods like molding may be more cost-effective for high volumes.
What industries benefit from CNC machining rubber?
Industries such as automotive, construction, and consumer goods benefit from the properties of rubber.
How does rubber compare to plastics in terms of machinability?
Rubber is more challenging to machine compared to plastics due to its flexibility and tendency to deform during cutting.
What are the limitations of using rubber in CNC machining?
Limitations include poor machinability, lower dimensional stability, and higher tool wear.
Can rubber parts be used in high-temperature environments?
Rubber has limited heat resistance, generally up to 120°C, beyond which it may degrade.
What tolerances can be achieved with CNC machining rubber?
Typical tolerances are ±0.5 mm, depending on the specific requirements of the part.
Parts Made by AutofabX
