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Extension spring

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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 Dt De L0 L1 F1 c Mtr 3D CAD
3679 0.4 3 45 100 8.25 0.13 EN 10270-3-1.4310
3686 0.4 4 50 170 6.3 0.05 EN 10270-3-1.4310
3693 0.4 5 45 213 5.09 0.03 EN 10270-3-1.4310
3700 0.5 4 50 118 11.8 0.15 EN 10270-3-1.4310
3706 0.5 5 50 161 9.59 0.08 EN 10270-3-1.4310
3714 0.5 6 50 213 8.05 0.04 EN 10270-3-1.4310
3724 0.5 8 50 329 6.09 0.02 EN 10270-3-1.4310
3731 0.6 5 50 120 16 0.2 EN 10270-3-1.4310
3738 0.6 6 50 154 13.5 0.12 EN 10270-3-1.4310
3744 0.6 8 50 230 10.2 0.05 EN 10270-3-1.4310
3749 0.75 6 50 111 25.4 0.37 EN 10270-3-1.4310
3750 0.75 6 60 135 25.4 0.3 EN 10270-3-1.4310
3756 0.75 8 50 163 19.4 0.15 EN 10270-3-1.4310
3757 0.75 8 60 201 19.4 0.12 EN 10270-3-1.4310
3763 0.75 10 50 225 15.6 0.08 EN 10270-3-1.4310
3764 0.75 10 60 284 15.6 0.06 EN 10270-3-1.4310
3771 1 6 50 79 57.1 1.74 EN 10270-3-1.4310
3772 1 6 60 96 57.1 1.4 EN 10270-3-1.4310
3778 1 8 50 106 44 0.7 EN 10270-3-1.4310
3779 1 8 60 130 44 0.55 EN 10270-3-1.4310
3784 1 10 50 136 35.6 0.37 EN 10270-3-1.4310
3785 1 10 60 171 35.6 0.28 EN 10270-3-1.4310
3790 1 12 50 166 29.9 0.23 EN 10270-3-1.4310
3791 1 12 60 214 29.9 0.17 EN 10270-3-1.4310
3796 1.2 8 50 84 73 1.94 EN 10270-3-1.4310
3797 1.2 8 60 102 73 1.54 EN 10270-3-1.4310
3802 1.2 10 50 103 59.5 0.99 EN 10270-3-1.4310
3803 1.2 10 60 128 59.5 0.77 EN 10270-3-1.4310
3807 1.2 12 50 123 50.1 0.6 EN 10270-3-1.4310
3808 1.2 12 60 157 50.1 0.46 EN 10270-3-1.4310
3812 1.5 10 50 79 111.3 3.42 EN 10270-3-1.4310
3813 1.5 10 60 98 111.3 2.59 EN 10270-3-1.4310
3818 1.5 12 50 92 94.2 2 EN 10270-3-1.4310
3819 1.5 12 60 116 94.2 1.48 EN 10270-3-1.4310
3823 1.5 15 50 111 76.3 1.1 EN 10270-3-1.4310
3824 1.5 15 60 146 76.3 0.78 EN 10270-3-1.4310
7607 0.5 4 60 144 11.8 0.13 EN 10270-3-1.4310
7609 0.5 5 60 198 9.59 0.06 EN 10270-3-1.4310
7611 0.5 6 60 265 8.05 0.03 EN 10270-3-1.4310
7613 0.5 8 60 419 6.09 0.02 EN 10270-3-1.4310
7615 0.6 5 60 147 16 0.16 EN 10270-3-1.4310
7617 0.6 6 60 191 13.5 0.09 EN 10270-3-1.4310
7620 2 12 50 71 205.4 8.59 EN 10270-3-1.4310
7621 2 12 60 87 205.4 6.64 EN 10270-3-1.4310
7625 2 15 50 86 167.9 4.15 EN 10270-3-1.4310
7626 2 15 60 107 167.9 3.16 EN 10270-3-1.4310
7630 2 18 50 102 141.7 2.38 EN 10270-3-1.4310
7631 2 18 60 130 141.7 1.78 EN 10270-3-1.4310
7638 2 20 50 113 128.2 1.79 EN 10270-3-1.4310
7639 2 20 60 146 128.2 1.32 EN 10270-3-1.4310
7723 0.6 8 60 292 10.2 0.04 EN 10270-3-1.4310
9736 0.55 6 41.4 152 10.4 0.09 EN 10270-3-1.4310
9748 0.63 7 47.6 178 13.5 0.09 EN 10270-3-1.4310
9760 0.7 7.5 52.5 182 16.8 0.12 EN 10270-3-1.4310
9772 0.8 9 44.6 155 21 0.17 EN 10270-3-1.4310
9780 0.9 6.3 44.1 82 40.3 0.95 EN 10270-3-1.4310
9784 0.9 10 50 167 26.1 0.2 EN 10270-3-1.4310
9792 1 7 49 92 49.7 1.06 EN 10270-3-1.4310
9796 1 11 40.4 120 32.5 0.37 EN 10270-3-1.4310
9797 1 11 55.4 183 32.5 0.23 EN 10270-3-1.4310
9805 1.1 7.5 53.6 95 60.1 1.27 EN 10270-3-1.4310
9808 1.1 12 44.3 128 38.7 0.41 EN 10270-3-1.4310
9816 1.2 8.5 41 73 69.1 1.95 EN 10270-3-1.4310
9817 1.2 8.5 59 110 69.1 1.22 EN 10270-3-1.4310
9824 1.2 13 48.2 137 46.4 0.46 EN 10270-3-1.4310
9829 1.4 7 43.1 57 124.4 7.98 EN 10270-3-1.4310
9832 1.4 10 47.9 84 91.1 2.2 EN 10270-3-1.4310
9836 1.4 15 43.3 107 62.3 0.87 EN 10270-3-1.4310
9837 1.4 15 55.9 155 62.3 0.56 EN 10270-3-1.4310
9842 1.6 8 49.3 65 157.6 9.13 EN 10270-3-1.4310
9845 1.6 11 54.1 91 119.5 2.88 EN 10270-3-1.4310
9848 1.6 17 49.3 118 79.5 1.02 EN 10270-3-1.4310
9854 1.8 9 55.4 72 194.4 10.3 EN 10270-3-1.4310
9856 1.8 12 44 68 151.4 5.64 EN 10270-3-1.4310
9860 1.8 20 46 98 93.9 1.59 EN 10270-3-1.4310
9861 1.8 20 56.8 140 93.9 0.99 EN 10270-3-1.4310
9866 2 10 43.6 56 239.9 17.8 EN 10270-3-1.4310
9869 2 14 50 80 178.9 5.28 EN 10270-3-1.4310
9872 2 22 50.8 108 117.1 1.83 EN 10270-3-1.4310
9878 2.2 11 48 61 281.1 19.6 EN 10270-3-1.4310
9880 2.2 15 41.2 60 214.6 10.2 EN 10270-3-1.4310
9881 2.2 15 54.4 84 214.6 6.37 EN 10270-3-1.4310
9884 2.2 24 55.6 115 138.2 2.06 EN 10270-3-1.4310
9889 2.5 13 40.3 50 351.3 30.8 EN 10270-3-1.4310
9890 2.5 13 55.3 71 351.3 19.2 EN 10270-3-1.4310
9892 2.5 18 48.3 73 263.7 9.57 EN 10270-3-1.4310
9901 2.8 14 44.2 54 442.8 39.9 EN 10270-3-1.4310
9904 2.8 20 53.8 80 324.1 11 EN 10270-3-1.4310
9913 3.2 16 50.6 62 562 45.6 EN 10270-3-1.4310
9925 3.6 18 56.9 69 686.4 51.3 EN 10270-3-1.4310