WELCOME

Constant force spring

The constant force spring consists of strip material, which has been 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 on extension speed and acceleration.

Read more

  • Show more info about Hide more info about Constant force spring
  • All measurements are in mm

See "full-screen" models of the springs and download a PDF file of the designed compression, tension or torsion spring!

Lesjöfors configurator for compression, tension and torsion springs allows you to design a spring based on your demands. Our CAD configurator stretches from wire diameter 0,1mm up to 15mm.

Click for information about 3D CAD!

1. Choose file format

2. Choose item in the table

3. Save file

Cat.no t b s Di F Håltyp 3D CAD
1024 0,4 25 1500 37 33,7 G
1025 0,4 25 1500 56 16,3 G
1026 0,4 30 1500 37 40,4 G
1027 0,4 30 1500 56 19,5 G
1028 0,4 40 1500 37 54 F
1029 0,4 40 1500 56 26 F
1030 0,5 30 1500 46 51,2 G
1031 0,5 30 1500 65 27,9 G
1032 0,5 40 1500 46 68,3 F
1033 0,5 40 1500 65 37,1 F
1034 0,5 50 1500 46 85,3 F
1035 0,5 50 1500 65 46,5 F
8049 0,305 19,05 1011 28,96 16,9 A
8070 0,356 19,05 1179 33,78 19,6 A
8071 0,305 25,4 1011 28,96 22,5 C
8072 0,356 25,4 1179 33,78 26,3 C
8073 0,406 25,4 1340 38,86 30 C
8075 0,356 38,1 1179 33,78 40 F
8076 0,305 50,8 1011 28,96 45 F
8078 0,406 50,8 1340 38,86 60 F