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Constant force springs

Our constant force spring consists of strip material shaped and pre-tensioned into a tightly wound roll. The spring is used in a linear movement and produces almost constant force throughout its deflection. Constant force springs can be fitted in a number of ways and extended partly or completely. There is practically no limit to the extension speed and acceleration. If you want to improve the performance of the application constant force springs can be mounted on sliding bearings.

Measurements between0.05 - 0.64 mm

Measurements between3.18 - 60 mm

Measurements between167 - 2103 mm

Measurements between4.83 - 88 mm

Measurements between0.46 - 150.2 N

68 itemst (mm)b (mm)s (mm)Di (mm)F1 (N)
A Constant Force Spring
8036

SCF 0.051X3.175X167

88 in stock

0.051

3.175

167

4.83

0.46

A Constant Force Spring
8038

SCF 0.051X6.35X167

30 in stock

0.051

6.35

167

4.83

0.93

A Constant Force Spring
8037

SCF 0.076X3.175X252

584 in stock

0.076

3.175

252

7.24

0.7

A Constant Force Spring
8040

SCF 0.076X7.94X252

139 in stock

0.076

7.94

252

7.24

1.7

A Constant Force Spring
1000

SCF 0.1X10X300

220 in stock

0.1

10

300

10

2.8

A Constant Force Spring
1001

SCF 0.1X10X300

66 in stock

0.1

10

300

14

1.6

A Constant Force Spring
8039

SCF 0.102X4.76X338

102 in stock

0.102

4.76

338

9.67

1.4

A Constant Force Spring
8041

SCF 0.102X9.52X338

147 in stock

0.102

9.52

338

9.67

2.8

A Constant Force Spring
8042

SCF 0.127X9.52X422

23 in stock

0.127

9.52

422

12.06

3.5

A Constant Force Spring
8043

SCF 0.127X12.7X422

1294 in stock

0.127

12.7

422

12.06

4.7

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