Спиральная пружина EMI
Handa EMI helical spring is a type of spring that is designed to provide electromagnetic interference (EMI) shielding to electronic devices. It is made of a highly conductive metal, such as copper or silver, and is coiled in a helix shape.
Производство на заказ
Custom EMI Helical Spring
According to the customer’s usage environment, Экранирование Handa provides drawings or dimensions and working conditions requirements for product customization. If necessary, please contact sunny@handashielding.com и профессиональный инженер ответит на ваши вопросы. Спасибо!
Характеристики продукта
Рекомендуемый размер канавки
Ниже приведен чертеж для сравнения размеров.
* We can customize the width, thickness, and outer diameter of the strip according to your needs.
| EMI Helical Spring part numbers (RoHs Tin plated beryllium copper) | Groove Size [mm] | |||||
|---|---|---|---|---|---|---|
| DiameterOD(mm) | Standard Force(“S” Series) | Medium Force(“M” Series) | Low Force(“L” Series) | Depth(L)
+0.05 /-0 (mm) |
Width(G)
+0.18 / -0.13 (mm) |
Width(W)
+0 / -0.05 (mm) |
| 0.86 ± 0.05 | HDH-SBN-086W | HDH-MBN-086W | HDH-LBN-086W | 0.58 | 1.17 | 0.84 |
| 1.19 ± 0.05 | HDH-SBN-119W | HDH-MBN-119W | HDH-LBN-119W | 0.89 | 1.60 | 1.14 |
| 1.60 ± 0.08 | HDH-SBN-160W | HDH-MBN-160W | HDH-LBN-160W | 1.17 | 2.39 | 1.52 |
| 1.78 ± 0.08 | HDH-SBN-178W | HDH-MBN-178W | HDH-LBN-178W | 1.35 | 2.39 | 1.70 |
| 1.98 ± 0.08 | HDH-SBN-198W | HDH-MBN-198W | HDH-LBN-198W | 1.50 | 2.77 | 1.91 |
| 2.39 ± 0.10 | HDH-SBN-239W | HDH-MBN-239W | HDH-LBN-239W | 1.78 | 3.18 | 2.29 |
| 2.62 ± 0.10 | HDH-SBN-262W | HDH-MBN-262W | HDH-LBN-262W | 1.96 | 3.58 | 2.51 |
| 2.77 ± 0.10 | HDH-SBN-277W | HDH-MBN-277W | HDH-LBN-277W | 2.08 | 3.96 | 2.67 |
| 3.18 ± 0.10 | HDH-SBN-318W | HDH-MBN-318W | HDH-LBN-318W | 2.39 | 4.34 | 3.07 |
| 3.53 ± 0.13 | HDH-SBN-353W | HDH-MBN-353W | HDH-LBN-353W | 2.64 | 4.75 | 3.40 |
| 3.58 ± 0.13 | HDH-SBN-358W | HDH-MBN-358W | HDH-LBN-358W | 2.67 | 4.75 | 3.45 |
| 4.37 ± 0.13 | HDH-SBN-437W | HDH-MBN-437W | HDH-LBN-437W | 3.25 | 5.94 | 4.19 |
| 4.75 ± 0.15 | HDH-SBN-475W | HDH-MBN-475W | HDH-LBN-475W | 3.56 | 6.35 | 4.60 |
| 6.35 ± 0.18 | HDH-SBN-635W | HDH-MBN-635W | HDH-LBN-635W | 4.70 | 8.71 | 6.10 |
| 7.92 ± 0.23 | HDH-SBN-792W | HDH-MBN-792W | HDH-LBN-792W | 5.94 | 10.72 | 7.62 |
| 9.53 ± 0.28 | HDH-SBN-953W | HDH-MBN-953W | HDH-LBN-953W | 7.11 | 12.70 | 9.25 |
| 12.70 ± 0.38 | HDH-SBN-1270W | HDH-MBN-1270W | HDH-LBN-1270W | 9.53 | 16.66 | 12.32 |
Материалы
The choice of material for an EMI helical spring will depend on the specific requirements of the application, such as the operating environment, the level of EMI shielding required, and the desired level of durability and strength.
- Nickel-plated carbon steel
- 301 | 302 | 304 | 316 | 17-7PH
- Inconel (grades 600, 718, X-750)
- Hastelloy (grades C22, C276, C2000)
- Phosphor bronze
- Beryllium-copper
- Monel (grade 400)
- Stainless Steels
- Exotic Alloys
- Elgiloy/Phynox to AMS5833. Also available compliant to NACE MR0175.
Application Range
Handa EMI Helical Springs have various applications,such as:
- Spring energized Seals (spring energizer) : commonly used for medium to high pressure applications under very slow or static condition.
- Recommended for vacuum and cryogenic sealing application.
- Not suitable for wide gland tolerances, eccentricity, or misalignment.
- EMI shielding function
- Electricity conductivity purposes
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