DIN 5480-3 PDF

Find the most up-to-date version of DIN at Engineering What is a “Reference Diameter”? Unlike ANSI B splines DIN was structured to “permit easy slip-fitting of components such as, for instance, ball or roller. DIN Splined connections with involute splines based on reference diameters. — Part 1: Principles. Passverzahnungen mit Evolventenflanken und.

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The reasons for this are explained in subclause 7. The root diameters of shafts are dependent on the machining method used: Correspondingly, the absolute values of the deviation must then be reduced by 0,1? Hereafter, we present the characteristics of the main spline connections.

DIN covers quality inspections of spline joints. For limits of centring accuracy, see DIN The difference between the space width and the tooth thickness determines the rotational backlash.

The corresponding descriptive parameters, tooth interlock data and calculation formulae are given in Table 3. DIN For further information, we refer to the relevant standard. The deviations Ae and As as well as the tolerances Tact and Teff for the relevant tolerance grade are to be taken from Table 7.

This avoids excessive reject rates, which would not occur if fewer measurements were to be taken. It is therefore recommended that these be indicated in the form of a data field, see Figure 6. For a minimum clearance of zero, it is better to set the effective tolerance limits to the dimension of the nominal space width e2 and the nominal tooth thickness s1. The deviation series permits the definition of fit types interference, transition, clearance.


Internal and external spline teeth

Spline connections with straight flanks: DIN now contains the nominal dimensions and inspection dimensions for the range of items stated above, and incorporates the contents of the former editions of DIN to DIN They have a side fit profile a diameter fit is permitted in some cases. Where necessary, the data for the statistical actual tolerance limit STA are dun be entered at the bottom of the data field.

If a GO gauge does fit, this will in effect ensure adherence to the tolerance limit. Grundlagen This copy will not be updated in case of changes! DIN defines the design features of tools for manufacturing involute splines. Nominal dimensions and inspection dimensions DINInvolute splines based on reference diameters — Part Eight tolerance grades are specified for hubs and shafts, determining the total tolerance as well as the actual and effective individual tolerances.


It lays down the following general characteristics for splines as in this standard: In joints centred on any pitch diameter, this condition is met by making the reference diameter equal to the bore of the bearing and then modifying the profiles of the teeth of the hub and the shaft accordingly. Amendments This standard don from DIN If it is necessary to change the size ratio, then the actual tolerances and the effective tolerances as stated in this ein can be selected separately from the different tolerance grades and will, when added, lead to a total tolerance deviating from this standard.


The revision was considered necessary since a review of the DIN series of standards in accordance with DIN had shown that the series had structural and editorial weaknesses.

These determine the design dimension of the spline diameters where the chip-cutting manufacturing method is not yet known and the tool run-out spaces are free.

The fit and centring accuracy 54480-3 determined by deviation in space width and tooth thickness, and by the tolerances achieved or specified. Such spline joints shall always be given enough backlash in order to prevent over-determination of the centring see Figures 4 and 5.

The standard has been editorially revised. These have a predefined interrelationship.

The tolerances are depending on mounting conditions, shaft I z or tooth flank centering F z. Even numbers of teeth are given preference in Tables 1 and 2.