Doppler Gear TechBit: DIN Spline Decoder *Calculations, procedures, processes, and data contained herein are to be used only with the judgment of a . This Spline Design Data is based on ISO the signs for the number of teeth and addendum modification factors of internal gear splines as defined in DIN. March DIN Splined connections with involute splines DIN 1 Table 3: Basic rack profile Parameters Symbol Spline data.

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These should therefore only be used in a few exceptional cases. Compliance with the effective tolerance limit is checked using fully-splined GO gauges.

For space widths of hubs and tooth thicknesses of shafts, this daa provides deviation series and tolerances based on the nominal dimensions, see figure 7. The profile search function can help wpline user to quickly identify a profile. Correspondingly, the absolute values of the deviations must then be reduced by 0,1? Where necessary, the data for the statistical actual tolerance limit STA are entered at the bottom of the data field of the fitted splined connection.

These have predefined relationships to one another.

I highly recommend it if you work with metric splines. The dimensions and modules in brackets are avoidable values.

Internal and external spline teeth

Basic rack tooth profiles can be selected according to DIN for broaching, hobbing, shaping, cold rolling and diameter centering. A design fit clearance of zero ensures that the hub can be fitted on the shaft.


Basically I’m repeating your origional thread to yourself in the hope you have the answer. These lead to negative signs for all hub diameters and dimensions see DIN DIN now contains the nominal dimensions and inspection dimensions for the range of items stated above.

I’m looking for male spline dimensions to make a shaft to fit a din female spline Nx5x30x38x9H. The following is the table of normalized dimensions according to DIN Promoting, selling, recruiting, coursework and thesis posting is forbidden.

This will determine the permissible deviations and tooth thickness allowances. Preferred series, reference diameters dB from 60 mm to mm Eight tolerance classes are available for the magnitude of the overall tolerances of hubs and shafts. In practice, measuring balls or measuring pins are used as measuring circles. Digital Transformation may be defined in a number of different ways by analysts or enterprise software vendors.

In shafts, the superposition of all individual deviations lead to an effective tooth thickness that is greater than the actual thickness which can be measured. Profile of the shaft The form of the slots as indicated above is closely linked to the finish method.

In the data field of the workpiece drawing, it is given as the actual tolerance limit and as the reference mark actual Ref. In the past I have worked out strength of gears using the lewis formula, If I apply this to the 11t din spline and multiply the figure by 11 teeth I have 6. In practice, the size of the actual tolerance Tact in relationship to the effective tolerance Teff within the overall tolerance TG varies very strongly.


As and TG in series a11 see 7. The reasons for this are explained in subclause 7. The flanks of the teeth are used both for transmitting the torque and for centring the hub and shaft relative to one another.

Din Male Spline Dimensions? – Gear & Pulley engineering – Eng-Tips

Input of geometry data. Figure 1 shows an externally-centred shaft with splines. The corresponding descriptive parameters, tooth interlock data and calculation formulae are given in table 3.

Hereafter, we present the characteristics of the main spline connections. Double teeth If the number of spaces which can measured using pins spllne an odd number, then the measurements given in the tables can be converted.

Sorry for my mistake above! Yes, I have the specs at work. The successful synthesis of IT and mechanics: Here are the formulas for the calculation of different diameters.

The spline specification looks like this: Does anybody know where I can get the male spliine or have them handy to fax a dimensional sheet of the spline.