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W N 7

Software for P4C Polygon Profile Joints according to DIN 32712

(C) Copyright 2002-2020 by HEXAGON Software, Berlin


WN7 calculates dimensions, tolerances, stress and safety factors for P4C Polygon Profiles

Additional or as alternative we offer WN14 for polygon profiles P4C, P3C, P2C, P5C (PnC).


Enter torque, select material and application: WN7 calculates minimum size required for a P4C shaft-hub joint.

Stress Calculation

WN7 calculates compressive stress, torsional stress, bending stress, and equivalent stress according to DIN 32712 and DIN 6892. Material, application factors and life expectation coefficients are considered by WN7.

Production Drawing

Drawing tables with P4C profile drawing according to DIN 32712 may be printed directly, or exported to CAD via DXF-/IGES interface.

Hard- and Software requirements

WN7 is available as 32-bit or 64-bit application for Windows 10, Windows 8, Windows 7.

Scope of Delivery

WN7 program, user manual (pdf), license for unlimited time use.


HEXAGON gives a 24 month guarantee on full functionality of the software.

Information and Update Service

HEXAGON Software is continuously improved and updated. Customers are regularly informed about updates and new editions.

Download WN7 Demo (626 kB)

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