DIN 5480-1 PDF

Buy DIN INVOLUTE SPLINES BASED ON REFERENCE DIAMETERS – PART 1: GENERALITIES from SAI Global. March DIN Splined connections with involute splines based on reference diameters — Part 1: Principles Passverzahnungen mit Evolventenflanken. March DIN Splined connections with involute splines based on reference diameters — Part 1: Principles Passverzahnungen mit.

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DIN 5480-1 Splined connections with involute splines based …

In the data field of the workpiece drawing, it is given as the actual tolerance limit and as the reference mark actual Ref. If it becomes necessary to change the size ratio, then the actual tolerances and the effective tolerances as stated in this standard can be selected separately from the different tolerance classes and will, when added, lead to an overall tolerance deviating from this standard.

DIN Validity This standard is valid from onwards. Bottom clearance of flank-centred connections Guide values for radial runout The designations given inDIN for gear teeth are also permitted.

Internal and external spline teeth

You can publish your book online for free in a few minutes! The magnitudes of the deviations are identified by upper-case characters and 21Uncontrolled copy when printed DIN can be selected individually for hubs and shafts as shown in table 9. The deviations Ae and As as well as the tolerances Tact and Teff of the tolerance class are 54480-1 as shown in table 7. The increased use of spline connections with involute tooth flanks has brought us to purchase a wide variety of hobbing and tools and this is in accordance with the various standardization systems.


Since it is difficult to measure tooth thickness and space widths directly, they are converted to dimensions across and between measuring circles and are entered in this form into the data field. These determine the design dimension of the connection diameters where the chip-cutting manufacturing method is not yet known and the tool run-out spaces are free.

These lead to negative signs for all hub diametersand dimensions see DIN Deviations and tolerances Reference diameters Modules Example: DIN For further information, we refer to the relevant standard.

DIN Table 1: The dimension over or between measuring circles isthen stated either as the dimension over or between balls or pins, accordingly. The selection of nominal dimensions is essentially determinedby the following condition: Internal diameter centring 16Uncontrolled copy when printed. Figure1 shows an externally-centred shaft with splines.

In shafts, the superposition of all individual di lead to an effective tooth thickness that is greater than the actual thickness which can be measured. They determine the magnitude of the overall tolerance as well as the actual and effective individual tolerances.

In the tables of dimensions given in DINonly the absolute values ofdiameters and inspection dimensions are listed, i.

In hubs, the superposition of all individual deviations leads to an effective space width that is smaller than the actual space that can be measured. Profile of the shaft The form of the slots as indicated above is closely linked to the finish method.


Involute splines in accordance with ISO are based on series of modules. The fit and the centring accuracy are determined by the deviations of the space widths and thicknesses as well as by the tolerances achieved or specified.

DIN Splined connections with involute splines based

However, in thiscase a note must be added stating that the GO gauge has priority. Table 8 shows, as guide values, radial runouts of the referencecircle of external splines relative to a reference axis. For details, see DIN5. As analternative, this can also be done using the deviation factors as described in DIN 54801 The teeth merely serve to transmit the forces.

This makes it possible to adapt the gears to standardized ball and 54800-1 bearing diameters and to reduce the number of different tools required for manufacturing.

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. The diameters of the tip and root circles of the shaft differ from the respective diameters of the hub by at least the bottom clearance c see figure 3. DIN Data to be shown on drawings9. This applies both to spline connections with involute flanks as for spline connections with straight flanks.