DIN_2093相关标准规范

DEUTSCHE NORMJanuary 1992Dimensions and quality ofNconical disc springs2093Tellerfedem;MaBe und QualitatsforderungenSupersedes September 1990 edition.In keeping with current practice in standards published by the Intemational Organization for Standardization (ISO),a commahas been used throughout as the decimal marker.ContentsPg阳Page1 Scope and field of application ......1 11 Stresses in springs subject to fatigue loading .82 Concept.11.1 Minimum initial deflection to avoid cracking .......83 Symbols and units..211.24 Classification212 Materials95 Dimensions and designation ................................313Manufacturing process and surface quality ..........106Tolerances.......…714 Heat treatment and surface treatment ...............106.1 Tolerances on diameter...........14.1 Heat treatment106.2Tolerances on thickness ..14.2Shot peening.106.3 Tolerances on free overall height,o ............14.3Corrosion7 Tolerances on spring load........15 ToSting107.1Single diScs..........................15.1 Check of dimensions and other springHLIOA7.2Springs stacked in series.8 Play between spring and centring element ...............815.2 Hardness testing109 Permissible set..........816 Other relevant requirements .....1010 Stresses in springs subject to static loadingor moderate fatigue conditions .....................8Standards referred to......19Dimensions in mm1 Scope and field of applicationThis standard specifies requirements for the materials,dimensions,tolerances,and permissible stresses for conical discsprings.It includes graphs showing the permissible relaxation and the endurance life of such springs,as a function of stress.The minimum requirements specified here are intended to ensure the proper performance of conical disc springs,and mayalso be applied to non-standardized springs.The three series specified here represent groups of spring sizes which have met with general acceptance in practice.Conical disc springs are not intended to be used with bolt/nut assemblies to counteract the effect of setting(as are DIN 6796conical spring washers,for example).2 ConceptConical disc springs ('springs',for short)are annular coned elements that offer resistance to a compressive force applied axi-ally.They may be designed as single discs or as discs stacked in parallel or in series,either singly or in multiples.They maybe subjected to both static and fatigue loading,and may have ground end surfaces('ground ends',for short).Continued on pages 2 to 11GmH,Bertin has the excluslve of sale for Geman Standards DIN-Nomen).DIN 2093 Engl.Price group 1007.94Sales No.0110山ai6 bl Tapenb4 aTble