Facewidth at the root circle b=mm
Normal module mn=mm
Addendum modification x=mm
k*mn=mm
Radius of root fillet =mm
Number of teeth z=
Residual fillet undercut Spr=
Normal pressure angle =degrees
Helix angle =degrees
Form-factor helix angle =degrees
Transverse contact ratio =
Overlap ratio =
Application factor KA=
Dynamic factor KV=
Face load factor for tooth-root stress =
Transverse load factor for tooth-root stress =
Stress correction factor YST=
Life factor YNT=stopinj
Relative surface factor YR rel T=
Size factor Yx=
Minimum required safety factor for tooth-root stress SFmin=
Bending stress limit value (material) =N/mm2
Mentor : Janez Krek, univ.dipl.ing
Student: Matjaž Leben