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  Dimensions | Disc Springs for Heavy Bolt Section | Disc Springs for Flange Applications | Disc Springs Tolerances
DISC SPRINGS - INTRODUCTION
 
Concept and Characteristics of Disc Springs
Disc Springs are conically formed angular Discs which are loaded in the axial direction. They can be statistically loaded as well subject to continuous dynamic loads.
They can be used as single disc or in multiple stack combination to achieve desired deflections and characteristics.
Outstanding Features













High Load with limited travel (small deflection)
High Load to compress small design space so better space utilization compare to other springs. Longer service or fatigue life.
Ability to function as a individual element or more often in group, in different group combination, so that stack or assembly of these Disc Springs operate axially.
Greater security of operation service, as failure of one Disc Spring element within a stack does not totally lead of failure of entire assembly.
Low maintenance cost as any of the failed Disc Spring in assembly could be easily replaced.
Spring load achieved by reciprocally alternating disc.
Axial load achieved by application of guide bolt or sleeve.
High damping capacity through friction, which can be increased by parallel stacking.
High endurance and fatigue strength.
Load, stack height and travel can be determined and changed as needed.
Exact determination of disc spring characteristic.
This catalog contains complete disc spring dimension in mm, as well as a wealth of useful information on tolerances, load and stress calculations, typical applications, etc. The standard disc springs shown are generally available from stock. We can make many special sizes to customer requirements. Engineering assistance is available upon request.
Reduced thickness for Disc Springs with bearing flats.
In order to achieve a load p at f = 0.75 height with Disc Spring having bearing flats the thickness t is reduced to t' by the manufacturer. The reduction is approximately 94% of the nominal thickness. The table shown below is particularly significant for parallel stacking of Disc Spring with reduced thickness t ’ and must be takenin to consideration.

t mm 6 8 10 12 14
t' mm 5.60 7.50 9.40 11.25 13.10
According to DIN 2093 Disc Springs with material thickness of 7 to 14 mm. may be
reduced as shown in above table.
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Dimensions | Disc Springs for Heavy Bolt Section | Disc Springs for Flange Applications | Disc Springs Tolerances
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