This standard specifies design criteria and features of disc springs, whether as single disc springs or as stacks of disc springs. It includes the definition of relevant concepts as well as design formulae, and covers the fatigue life of such springs.<\/p>\n
| PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
|---|---|---|---|---|---|---|---|
| 4<\/td>\n | Contents Page <\/td>\n<\/tr>\n | ||||||
| 5<\/td>\n | European foreword <\/td>\n<\/tr>\n | ||||||
| 6<\/td>\n | 1 Scope 2 Normative references 3 Terms, definitions, symbols, units and abbreviated terms 3.1 Terms and definitions 3.2 Symbols, units and abbreviated terms Table 1 \u2014 Symbols, units and abbreviated terms <\/td>\n<\/tr>\n | ||||||
| 8<\/td>\n | 4 Representation 4.1 Single disc spring Figure 1 \u2014 Single disc spring (sectional view), including the relevant points of loading 4.2 Disc springs stacked in parallel Figure 2 \u2014 Packet – Disc springs stacked in parallel 4.3 Disc springs stacked in series <\/td>\n<\/tr>\n | ||||||
| 9<\/td>\n | Figure 3 \u2014 Stack – Disc springs stacked in series 4.4 Disc spring diagram Figure 4 \u2014 Example of disc springs stacked in series 5 Design formulae for single disc springs 5.1 General 5.2 Test load <\/td>\n<\/tr>\n | ||||||
| 10<\/td>\n | Table 2 \u2014 Guideline values for the reduction in disc spring thickness as a function of dimensional series 5.3 Deflection factors 5.4 Spring load <\/td>\n<\/tr>\n | ||||||
| 11<\/td>\n | Figure 5 \u2014 Load\/deflection curves for disc springs with or without flat bearings (in the above figures, Fc applies to disc springs without flat bearings) 5.5 Design stresses <\/td>\n<\/tr>\n | ||||||
| 12<\/td>\n | 5.6 Spring rate 5.7 Energy capacity of springs 6 Load\/deflection curve for a single disc spring Figure 6 \u2014 Load\/deflection curves for various h0\/t ratios <\/td>\n<\/tr>\n | ||||||
| 13<\/td>\n | Figure 7 \u2014 Actual and design load\/deflection curves for a EN 16983:2016 B 50 disc spring 7 Stacking of disc springs <\/td>\n<\/tr>\n | ||||||
| 14<\/td>\n | Figure 8 \u2014 Variations in load\/deflection curves as a function of disc spring stacking <\/td>\n<\/tr>\n | ||||||
| 15<\/td>\n | Figure 9 \u2014 Progressive load\/deflection curves for disc springs with different thicknesses or stackings 8 Effect of friction in load\/deflection characteristic <\/td>\n<\/tr>\n | ||||||
| 16<\/td>\n | Table 3 \u2014 Values of inter-surface friction (factor wM) and edge friction (factor wR) (does not apply to shot peened springs) 9 Design stresses <\/td>\n<\/tr>\n | ||||||
| 17<\/td>\n | Figure 10 \u2014 Relevant points of loading for springs subject to fatigue loading 10 Types of loading 10.1 Static loading and moderate fatigue conditions 10.2 Dynamic loading <\/td>\n<\/tr>\n | ||||||
| 18<\/td>\n | Bibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Disc springs. Calculation<\/b><\/p>\n |