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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
3654 0.2 3 20 127 1.11 0.01 EN 10270-3-1.4310
3655 0.2 3 25 170 1.11 0.01 EN 10270-3-1.4310
3671 0.3 4 25 127 2.75 0.02 EN 10270-3-1.4310
3672 0.3 4 30 159 2.75 0.02 EN 10270-3-1.4310
3685 0.4 4 40 132 6.3 0.06 EN 10270-3-1.4310
3686 0.4 4 50 170 6.3 0.05 EN 10270-3-1.4310
3690 0.4 5 30 127 5.09 0.05 EN 10270-3-1.4310
3691 0.4 5 35 157 5.09 0.04 EN 10270-3-1.4310
3706 0.5 5 50 161 9.59 0.08 EN 10270-3-1.4310
3712 0.5 6 35 135 8.05 0.07 EN 10270-3-1.4310
3713 0.5 6 40 161 8.05 0.06 EN 10270-3-1.4310
3721 0.5 8 30 150 6.09 0.05 EN 10270-3-1.4310
3738 0.6 6 50 154 13.5 0.12 EN 10270-3-1.4310
3742 0.6 8 35 137 10.2 0.09 EN 10270-3-1.4310
3743 0.6 8 40 167 10.2 0.07 EN 10270-3-1.4310
3750 0.75 6 60 135 25.4 0.3 EN 10270-3-1.4310
3751 0.75 6 70 160 25.4 0.25 EN 10270-3-1.4310
3756 0.75 8 50 163 19.4 0.15 EN 10270-3-1.4310
3762 0.75 10 40 165 15.6 0.11 EN 10270-3-1.4310
3773 1 6 80 130 57.1 1.01 EN 10270-3-1.4310
3774 1 6 100 164 57.1 0.79 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
3799 1.2 8 90 160 73 0.93 EN 10270-3-1.4310
3803 1.2 10 60 128 59.5 0.77 EN 10270-3-1.4310
3804 1.2 10 70 155 59.5 0.62 EN 10270-3-1.4310
3808 1.2 12 60 157 50.1 0.46 EN 10270-3-1.4310
3815 1.5 10 80 135 111.3 1.79 EN 10270-3-1.4310
3816 1.5 10 100 173 111.3 1.34 EN 10270-3-1.4310
3820 1.5 12 70 139 94.2 1.21 EN 10270-3-1.4310
3821 1.5 12 80 163 94.2 1 EN 10270-3-1.4310
3824 1.5 15 60 146 76.3 0.78 EN 10270-3-1.4310
4809 1 8 80 180 44 0.39 EN 10270-3-1.4310
7607 0.5 4 60 144 11.8 0.13 EN 10270-3-1.4310
7615 0.6 5 60 147 16 0.16 EN 10270-3-1.4310
7623 2 12 90 136 205.4 3.95 EN 10270-3-1.4310
7627 2 15 70 128 167.9 2.56 EN 10270-3-1.4310
7628 2 15 90 170 167.9 1.85 EN 10270-3-1.4310
7631 2 18 60 130 141.7 1.78 EN 10270-3-1.4310
7632 2 18 70 157 141.7 1.43 EN 10270-3-1.4310
7639 2 20 60 146 128.2 1.32 EN 10270-3-1.4310
7640 2 20 70 179 128.2 1.04 EN 10270-3-1.4310
9724 0.5 5.5 37.7 140 8.76 0.08 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
9772 0.8 9 44.6 155 21 0.17 EN 10270-3-1.4310
9784 0.9 10 50 167 26.1 0.2 EN 10270-3-1.4310
9808 1.1 12 44.3 128 38.7 0.41 EN 10270-3-1.4310
9824 1.2 13 48.2 137 46.4 0.46 EN 10270-3-1.4310
9833 1.4 10 68.9 127 91.1 1.38 EN 10270-3-1.4310
9837 1.4 15 55.9 155 62.3 0.56 EN 10270-3-1.4310
9846 1.6 11 78.1 137 119.5 1.8 EN 10270-3-1.4310
9849 1.6 17 63.7 170 79.5 0.65 EN 10270-3-1.4310
9858 1.8 12 87.2 146 151.4 2.26 EN 10270-3-1.4310
9861 1.8 20 56.8 140 93.9 0.99 EN 10270-3-1.4310
9871 2 14 98 173 178.9 2.11 EN 10270-3-1.4310
9873 2 22 62.8 154 117.1 1.14 EN 10270-3-1.4310
9885 2.2 24 68.8 164 138.2 1.29 EN 10270-3-1.4310
9894 2.5 18 85.8 147 263.7 3.83 EN 10270-3-1.4310
9896 2.5 28 64.3 136 174 2.15 EN 10270-3-1.4310
9906 2.8 20 95.8 161 324.1 4.41 EN 10270-3-1.4310
9908 2.8 30 69.8 140 221.5 2.79 EN 10270-3-1.4310
9915 3.2 16 98.6 126 562 18.3 EN 10270-3-1.4310
9918 3.2 22 108 174 425.9 5.76 EN 10270-3-1.4310
9920 3.2 36 82.6 170 268.3 2.71 EN 10270-3-1.4310
9927 3.6 18 111 141 686.4 20.5 EN 10270-3-1.4310
9929 3.6 25 89.7 136 515.5 9.77 EN 10270-3-1.4310
9939 4 20 123 156 847.4 22.8 EN 10270-3-1.4310
9941 4 28 100 153 631.8 10.6 EN 10270-3-1.4310
9951 4.5 22 138 171 1053 27.9 EN 10270-3-1.4310
9953 4.5 32 113 173 759.8 11.2 EN 10270-3-1.4310
9962 5 25 109 135 1276.3 44.6 EN 10270-3-1.4310
9964 5 36 96.6 140 927.4 19.1 EN 10270-3-1.4310