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W N 1
Software for Calculation of Press Fits according to DIN 7190
(C) Copyright 1992-2011 by HEXAGON Software, Berlin
Calculation
WN1 calculates cylindrical and conical press fits based on DIN 7190. Input data includes material values, adhesive values, dimensions, minimum pressure or transferable moment, or axial force to be transfered. Since version 8.0, WN1 can calculate stepped hubs up to 10 segments. Since release 9.0, you can calculate Tapered Interference Fits.
ISO Fits
During dimensioning it is possible to have the dimensions of the opposite part calculated for a required ISO seam diameter tolerance of hub or shaft. The ISO dimensions for borehole and shaft in accordance with DIN 7160 and DIN 7161 are provided by the program.
Recalculation
Existing pressed fits can be checked by entering dimensions, overlap or ISO fits. Thanks to on-line input dimensioning and recalculation can be used to observe how pressed fits react when individual values are altered.
Material Data Base
Materials can be selected from the integrated data base. The data base can easily be appended or modified with your own materials.
Adhesive Values
Adhesive values for loosening and slipping in longitudinal or circumferential direction can be entered directly or entered by WN1 in relation to the seaming process and material.
Output
The calculation results can be displayed on screen, printed out or saved to file along with the input data.
Stress Spectrum
The stress course through the cross-section of shaft and hub is graphically displayed on screen.
Fittings
Minimum and maximum excess along with all dimensions can be graphically displayed on screen.
CAD Interface
Drawings of fitting table, outer part and inner part can be output to DXF or IGES files for export to CAD. The program can produce a test certificate in accordance with EN 10204.
HEXAGON Help System
For each input you can have a help text and auxiliary picture displayed. When limiting values are exceeded the program will display warnings and error messages. You can then view the error description with remedy suggestion in the Error-Info Window.
Hard and Software Requirements
WN1 Software is a 32-bit application for Windows 95, 98, NT, 2000, XP, Vista, 7.
Scope of Delivery
The WN1 package includes WN1 program, user manual, application examples, input forms, license agreement.
Information and Update Service
HEXAGON Software is continuously improved and updated. Customers are regularly informed about updates.
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