# What is DIN 5480?

## What is DIN 5480?

DIN 5480 was structured to permit easy slip-fitting of components such as, for instance, ball or roller bearings. 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.

## How do you calculate involute splines?

The Y = 1.5 value is used in the calculation….Compressive stresses on sides of spline teeth.

Calculated spline length L f = min {L, Le} [in]
Depth of teeth engagement h h ≅ 0.9 / P [in] for splines with flat groove bottom
h ≅ 1 / P [in] for splines with filleted groove bottom

What is DP in a gear?

The Diametral Pitch (DP) is the number of teeth per inch of diameter of the pitch circle. The units of DP are inverse inches (1/in). The Diametral Pitch (DP) is equal to π divided by the Circular Pitch (CP).

### What is the full form of DP in gear?

Diametral Pitch (DP) A ratio equal to the number of teeth on a gear per inch of diameter.

### What is the diametral pitch?

The diametral pitch of a gear is the number of teeth in the gear for each inch of pitch diameter. Therefore, the diametral pitch determines the size of the gear tooth.

What are the dimensions of a Din 5480 shaft?

RE: Din 5480 Male Spline Dimensions? 8f is tolerance on the shaft (external) spline. This spline is “side fit”; the OD or ID centered splines are described with more data. The root shape (flat or full radius) can be also specified. If only one spline is defined, the letter N or W are used before the reference diameter.

## What are the involute splines in Din 5480?

Foreword This series of standards deals with involute splines and interacting involute splines in the ranges module 0,5 to 10, with a number of teeth ranging from 6 to 82 and a pressure angle of 30°. The DIN 5480 series of standards is limited to splines with a pressure angle of 30°, since pressure angles of 37,5° and 45° are covered by ISO 4156.

## How does Din 54880 affect the fit of a tooth?

It does not have any impact on the fit my previous posting is valid herebut you are 54880 making the contact area between the teeth smaller, therefore you increase the contact 4580 on the tooth flanks. DIN now contains the nominal dimensions spoine inspection dimensions for the range of items stated above.

What are the dimensions of the DIN standard?

For space widths of hubs and tooth thicknesses of shafts, this standard provides deviation series and tolerances based on the nominal dimensions, see figure 7. I highly recommend it if you work with metric splines.

09/02/2019