Micro Precision Helical Spring 1.5mm Electronic Switches Custom Compression Springs
Product Details
| Wire Diameter: | 0.08mm To 1.5mm | Coil OD: | 2mm |
|---|---|---|---|
| Working Stroke: | 0.5mm-5mm | Load Tolerance: | ±1% |
| Salt Spray Resistance: | 1000-hour | Electrical Conductivity: | 98% |
| Temperature Range: | -40°C To 125°C | Coiling Resolution: | ±0.0005mm |
| Surface Defect Detection: | 5μm-level | Elastic Decay: | <1% |
| Plating Thickness: | 10-25μm | Dynamic Load Range: | 0.1-50N |
| Load Accuracy: | ±0.5% | Temperature Cycling: | -40°C To 85°C, 1000 Cycles |
| Force Variation: | <2% | Contact Resistance: | <50mΩ |
| Fatigue Life: | 10⁶ Cycles | Rated Load: | 70% |
| Cycle Reliability: | 10⁶ Cycles | Deflection Range: | ±1% |
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Micro Precision Helical Spring,Helical Spring 1.5mm,Electronic Switches custom compression springs |
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Product Description
| Parameter | Specification |
|---|---|
| Wire Diameter | 0.08mm to 1.5mm |
| Coil Outer Diameter | As small as 2mm |
| Working Stroke | 0.5mm to 5mm |
| Load Tolerance | ±1% across entire deflection range |
- 316L Stainless Steel: Passivated per ASTM A967, provides 1000-hour salt spray resistance (ASTM B117) for humid conditions
- Beryllium Copper (C17200): Offers 98% electrical conductivity for signal-transmitting contacts
- Nitinol (NiTi) Shape Memory Alloy: Ensures stable performance across -40°C to 125°C for automotive electronics
- Diamond-tipped CNC coiling with real-time laser diameter monitoring (±0.0005mm resolution)
- Automated optical inspection (AOI) for 5μm-level surface defect detection
- Vacuum annealing at 380°C to eliminate residual stress, ensuring <1% elastic decay over 10⁶ cycles
- Electroless nickel plating (10-25μm thickness) for corrosion protection and solderability
- Dynamic load testing (0.1-50N force range) with ±0.5% accuracy per ISO 17256
- Temperature cycling (-40°C to 85°C, 1000 cycles) with <2% force variation
- Contact resistance measurement (<50mΩ after 10⁶ operations)
- Fatigue life testing (10⁶ cycles at 70% rated load per IEC 60669-1)
Product Highlights
Micro-precision compression spring for electronic switches. Ensures stable contact force & 10⁶ cycle reliability. Available in 316L stainless, beryllium copper & Nitinol. Custom options with ISO 9001 certification.
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