Custom Metal Dome Silicone Rubber Keypad for Flexible Use
Overview:
The metal dome silicone rubber keypad combines key functions, indicators, and control elements into a single interface. It consists of a panel, upper circuit, isolation layer, and lower circuit. When the silicone rubber surface is pressed, the metal dome deforms downward, completing the circuit and enabling conductivity. This keypad is praised for its robust structure, sleek design, and excellent sealing performance, ensuring superior waterproofing and durability. It is widely utilized in electronics, industrial controls, medical devices, and automotive applications.
Details:
| Material | |
| Base Material | Silicone Rubber |
| Surface | Glossy / Matte Finish |
| Temperature Resistance | -30ºC – 120ºC |
| Thickness | Membrane: 0.05 – 0.25mm <br> Plate: 0.25 – 2.0mm |
| Characteristic | High Temperature Resistance <br> Wear Resistance <br> High Stability |
| Circuit Layer | Silver Paste <br> Carbon Paste |
Testing Facilities and Laboratories:
With over two decades of expertise, our renowned manufacturing facility specializes in Membrane Switches, Industrial Nameplates, Metal Badges, and Self-Adhesive Stickers. Serving a diverse range of industries, including smart household appliances and industrial control equipment, we have a strong global presence. We offer comprehensive customization services to meet your specific needs. Contact us today with your requirements, and let us provide you with precision and efficiency.
Production Process of Metal Dome Silicone Rubber Keypad:
1. Material Preparation:
High-quality silicone rubber and metal dome components are sourced and prepared for the manufacturing process.
2. Tooling and Mold Design:
Precision molds and tooling are designed based on keypad specifications, ensuring accurate reproduction of key shapes and metal dome placements.
3. Silicone Compression Molding:
The silicone rubber material is placed into heated molds and compressed under high pressure. This process forms the base structure of the keypad with integrated spaces for metal dome placement.
4. Metal Dome Integration:
Metal dome components, which provide tactile feedback, are carefully inserted into designated positions on the silicone base.
5. Curing and Solidification:
The assembled silicone and metal dome keypad undergoes curing in controlled temperature environments to solidify the material and ensure durability.
6. Finishing Touches:
Final trimming and finishing processes are applied to remove excess material and achieve smooth edges and surfaces.
7. Quality Control:
Each completed keypad undergoes rigorous testing to verify functionality, durability, and tactile response consistency.
8. Packaging:
Finished Metal Dome Silicone Rubber Keypads are packaged according to client specifications, ensuring protection and preservation during storage and shipping.
This comprehensive production process ensures that Metal Dome Silicone Rubber Keypads meet high standards of reliability and performance, suitable for various industrial and consumer electronic applications.
Other Details:
| Category | Specifications |
| Electrical | |
| Voltage | ≤ 50V (DC) |
| Current | ≤ 100mA |
| Contact resistance | 0.5 – 10 Ω |
| Insulation resistance | ≥ 100M Ω (100V / DC) |
| Substrate withstand voltage | 2KV (DC) |
| Rebound time | ≤ 6ms |
| Loop resistance | ≤ 100Ω, or 500Ω-1KΩ (as per user needs) |
| Insulation ink withstand voltage | 100V / DC |
| Mechanical | |
| Reliability service life | > 1 million times |
| Standard working force | 100 – 750g |
| Silver paste line width | ≥ 0.3mm |
| Pin spacing | 2.54, 2.50, 1.27, 1.25, 1.0, 0.5mm |
| Bending resistance of tail cable | 80 rolls with d = 10mm steel rod |
| Adhesion of printing ink | Passed test by Cross-Cut Tester |
| Environmental | |
| Working temperature | – 20 ºC – + 70 ºC |
| Storage temperature | – 40 ºC – + 85 ºC, 95% ± 5% |
| Atmospheric pressure | 86 – 106kpa |
