PARTSTRENGTH CALCULATION PROGRAM
PART STRENGTH
On order of Dware
Project Part Strength
Subproject Program Test
Item Niemann-Winter-Höhn
Part Id P750
Calculated by Andre Dewispelaere
Organization Dware
Calculation date 11/09/2015 




   Part Material




ID    Cl  Designation      R_pN   R_mN  s_WbN   A5   HB      E     nu    rho




---  ---  --------------  N/mm²  N/mm²  N/mm²   %    HB    N/mm²   --   kg/dm³




261  VSN  C35E              370    630    300   17  230   210000  0.30   7.85
Part size Symbol Unit Value
Part size equivalent diameter deff mm 120.0
Loading across rolling direction -- -- no
Multiaxial stress case -- -- yes
Part temperature θ ° C 50.0
Change in section -- -- circ shoulder
Section major dimension D,da,B mm 110.0
Section minor dimension d,di,b mm 50.0
Notch fillet radius r mm 1.00
Notch depth t mm 0.0
Skin is strengthened -- -- no

Static part strength Symbol Unit Value
Equivalent diameter deff mm 120.0
Standard diameter for yield deffNp mm 16
Size coefficient for yield adp -- 0.20
Size influence factor for yield Kdp -- 0.858
Standard diameter for strength deffNm mm 16
Size coefficient for strength adm -- 0.10
Size influence factor for strength Kdm -- 0.931
Anisotropic factor KAn -- 1.000
Material yield strength Rp N/mm² 317
Material strength Rm N/mm² 587
Compressive strength factor Kp -- 1.000
Compressive yield strength σFd N/mm² 317
Compressive strength σBd N/mm² 587
Shear strength ratio rτ -- 0.580
Shear yield strength τFs N/mm² 184
Shear strength τBs N/mm² 340
Temperature of part θ °C 50
Temperature influence factor KT -- 1.000
Temperature yield strength RpT N/mm² 317
Temperature strength RmT N/mm² 587
Change in section -- -- circ shoulder
Form factor tensile | compr stress ασzd -- 3.41
Form factor bending stress ασb -- 2.92
Form factor torsional stress ατt -- 2.03
Skin is strengthened -- -- no
Sustainable strain εertr -- 0.05
Plastic support number npl -- 5.76
Plastic support tens|compr stress nplσzd -- 3.41
Plastic support bending stress nplσb -- 3.50
Plastic support torsional stress nplτt -- 2.44
Plast notch sensitivity tens|compr βplσzd -- 1.00
Plast notch sensitivity bending βplσb -- 0.83
Plast notch sensitivity torsion βplτt -- 0.83
Non linear factor tensile stress KNLz -- 1.00
Non linear factor compr stress KNLd -- 1.00
Tensile|compressive yield strength σFKzd N/mm² 317
Bending tensile yield strength σFKbz N/mm² 382
Bending compressive yield strength σFKbd N/mm² 382
Torsional yield strength τFKt N/mm² 222
Tensile|compressive strength σBKzd N/mm² 587
Bending tensile strength σBKbz N/mm² 707
Bending compressive strength σBKbd N/mm² 707
Torsional strength τBKt N/mm² 410
Max static stress in section Symbol Unit Value
Max tensile|compressive stress σzdmax N/mm² 0.0
Max bending stress σbmax N/mm² 89.3
Max torsional stress τtmax N/mm² 48.9
Max static load factor Km -- 2.00
Safety factor yield tens|compress SFzd -- 999.99
Safety factor yield bending SFb -- 4.28
Safety factor yield torsion SFt -- 4.54
Safety factor rupture tens|compr SBzd -- 999.99
Safety factor rupture bending SBb -- 7.92
Safety factor rupture torsion SBt -- 8.38
Safety fact yield distort energy SFGEH -- 3.10
Safety fact yield normal stress SFNH -- 5.63
Safety fact rupture distort energy SBGEH -- 5.72
Safety fact rupture normal stress SBNH -- 12.30
Brittleness share factor q -- 0.00
Safety factor yield compar stress SF -- 3.10
Safety factor rupture comp stress SB -- 5.72

Dynamic part strength Symbol Unit Value
Alternating tensile strength ratio fW -- 0.45
Alternating tensile|compr strength σWzdN N/mm² 283.5
Shear yield strength ratio rτ -- 0.58
Alternating shear strength τWsN N/mm² 164.4
Size influence factor Kd -- 0.931
Anisotropic factor KAn -- 1.000
Alternating tensile|compr strength σWzd N/mm² 263.9
Alternating shear strength τWs N/mm² 153.1
Temperature influence factor KTD -- 1.000
Temp altern tensile|compr strength σWzdT N/mm² 263.9
Temp alternating shear strength τWsT N/mm² 153.1
Form factor tensile|compr stress ασzd -- 3.41
Form factor bending stress ασb -- 2.92
Form factor torsional stress ατt -- 2.03
Stress case notch radius Gσr -- 2.30
Support factor notch radius nσr -- 1.236
Torsion stress case notch radius Gτr -- 1.15
Torsion support fact notch radius nτr -- 1.245
Stress case part diameter Gσd -- 0.04
Support factor part diameter nσd -- 1.016
Torsion support factor part diamet nτd -- 1.015
Notch factor tensile|compr stress βσzd -- 2.76
Notch factor bending stress βσb -- 2.33
Notch factor torsional stress βτt -- 1.61
Alternating bending strength d=7.5 σWbN N/mm² 288
Alternating bending strength σWb N/mm² 268
Alternating torsional strength τWt N/mm² 155
Roughness influence factor KFσ -- 0.893
Roughness influence factor torsion KFτ -- 0.938
Skin strengthening factor KV -- 1.000
Non linearity factor KNL -- 1.000
Notch part alt tens|compr strength σWKzd N/mm² 92
Notch part altern bending strength σWKb N/mm² 108
Notch part alt torsional strength τWKt N/mm² 92
Mean stress sensitivity coeffic Mσ -- 0.1054
Mean tors stress sensitivity coeff Mτ -- 0.0611
Altern notched tensile strength σAKzd N/mm² 92
Altern notched bending strength σAKb N/mm² 108
Altern notched torsional strength τAKt N/mm² 82
Dynamic application factor KA -- 1.50
Mean bending tensile|compr stress σm N/mm² 0.0
Mean torsional stress τm N/mm² 24.4
Amplitude tensile|compress stress σazd N/mm² 0.0
Amplitude bending stress σab N/mm² 67.0
Amplitude torsional stress τat N/mm² 12.2
Safety factor dyn tensile stress SDzd -- 999.99
Safety factor dyn bending stress SDb -- 1.61
Safety factor dyn torsional stress SDt -- 6.72
Safety factor distortion energy hy SDGEH -- 1.56
Safety factor max normal stress hy SDNH -- 1.93
Brittleness share factor q -- 0.00
Safety factor compar dynam stress SD -- 1.56