Calculation of the tooth-root stress

Preračun korenske napetosti v korenu zoba zobnika

Give the data:
Podaj podatke:

Number of teeth  z
število zob

Facewidth  b mm
Širina zoba

Normal moulea  m_n mm
Normalni modul

Dedendum of tooth of the basic rack profil  h_fP mm
Višina zobnega korena (1.25*m_n)

Fillet radius of the basic rack of the gearing  r_fP mm
Polmer zaokrožnine v vznožju profila zoba

Normal preassure angel of a virtual spur gear  a_n �
Vpadni kot zobnega profila

Helix angle  b �
Kot pošševnosti

Addendum modification coefficient  x mm
Profilni pomik

Residual fillet undercut  S_pr mm
Without undercut S_pr=0

Diameter of top  d_a mm
Temenski krog

Transverse contact ratio  e_a
Stopnja prekritja (profilnega ubiranja)

Overlap ratio  e_b
Stopnja bočnega prekritja (ubiranja)

Nominal tangential load  F_t N
Tangencialna sila

Application factor  K_A
Koeficient obratovanja (see ISO 6336 part 1)

Dynamic factor  K_V
Dinamični koeficient (see ISO 6336 part 1)

Face load factor for tooth-root stress  K_Fb
Korenski koeficient prazdelitve sile po širini zoba

Transverse load factor for tooth-root stress  K_Fa
Korenski koeficient prazdelitve sile v profilni ravnini

Mitja Lunder