Constant Force Spring
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The constant force spring is used to stabilize the grounding wire for low and medium voltage cable terminations. The spring is also used to stabilize the copper wire shield layer of the middle joint of low and medium voltage cables.
Features
- The constant force spring is made of rolled steel whose surface is polished.
- This spring produces constant retraction force after compression or extension. These features make it widely used in applications where smooth compression and extension and balance are necessary.
Specifications
| Model | Detailed Specifications | Length/Roll （mm） | ||
| Thickness（mm） | Width（mm） | Inner Diameter（mm） | ||
| Ø10 | 0.12 | 15 | 10 | 190 |
| Ø14 | 0.18 | 15 | 14 | 300 |
| Ø16 | 0.20 | 15 | 16 | 330 |
| Ø18 | 0.26 | 15 | 18 | 393 |
| Ø22 | 0.31 | 15 | 22 | 495 |
| Ø25 | 0.36 | 15 | 25 | 550 |
| Ø30 | 0.41 | 20 | 30 | 635 |
| Ø36 | 0.48 | 20 | 36 | 750 |
| Ø45 | 0.52 | 20 | 45 | 920 |
| Ø50 | 0.52 | 20 | 50 | 1020 |
| Ø60 | 0.70 | 20 | 60 | 1220 |
| Ø65 | 0.70 | 20 | 65 | 1320 |
| Ø70 | 0.70 | 20 | 70 | 1450 |
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