BS EN 13906-2:2013
$102.76
Cylindrical helical springs made from round wire and bar. Calculation and design – Extension springs
| Published By | Publication Date | Number of Pages |
| BSI | 2013 | 22 |
This European Standard specifies the calculation and design of cold and hot coiled helical extension springs made from round wire and bar with values according to Table 1, loaded in the direction of the spring axis and op erating at normal ambient temperatures.
Table 1
NOTE In cases of substantially higher or lower working temperature, it is advisable to seek the manufacturer’s advice.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 6 | 1 Scope 2 Normative references 3 Terms and definitions, symbols, units and abbreviated terms 3.1 Terms and definitions |
| 7 | 3.2 Symbols, units and abbreviated terms |
| 8 | 4 Theoretical extension spring diagram |
| 9 | 5 Types of loading 5.1 General 5.2 Static and/or quasi-static loading 5.3 Dynamic loading |
| 10 | 6 Stress correction factor k |
| 11 | 7 Initial tension force F0 |
| 12 | 8 Material property values for the calculation of springs 9 Calculation formulae 9.1 General 9.2 Spring work |
| 13 | 9.3 Spring Force 9.4 Spring deflection 9.5 Spring rate 9.6 Torsional stresses 9.7 Nominal diameter of wire or bar 9.8 Number of active coils 9.9 Total number of coils |
| 14 | 9.10 Initial tension force 10 Permissible torsional stress under static or quasi-static loading 10.1 General 10.2 Permissible torsional stress (zul for cold coiled springs 10.3 Permissible torsional stress (zul for hot coiled springs 10.4 Initial tension torsional stress (0 |
| 15 | 11 Calculation of extension springs for dynamic loading |
| 16 | Annex A (informative) Types of spring ends |
