AGMA 6004 : F

1 Scope
1.1 Applicability
1.2 Limitations
1.3 Metallurgy
2 Responsibility
3 Symbols and terms
4 Rating formulas
4.1 Pitting resistance
4.2 Pitting resistance power rating
4.3 Bending strength
4.4 Bending strength power rating
5 Dynamic factors, Cv and Kv
5.1 Resonance
5.2 Approximate dynamic factors
6 Load distribution factors, Cm and Km
6.1 Transverse load distribution factor, Cmt
6.2 Face load distribution factor, Cmf
7 Application factors, Ca and Ka
8 Allowable stress numbers, sac and sat
8.1 Guide for case depth of surface hardened gearing
8.2 Allowable contact stress number, sac
8.3 Allowable bending stress number, sat
9 Life factors, CL and KL
10 Hardness ratio factor, CH
10.1 Through hardened gears
10.2 Surface hardened/through hardened values
11 Reliability factors, CR and KR
12 Service factors, CSF and KSF
13 Geometry factors, I and J
13.1 Pitting resistance geometry factor, I
13.2 Pitting resistance geometry factor, J
Appendices
A Service factor, CSF and KSF
B Illustrative examples
Figures
5.1 Dynamic factors, Cv and Kv
6.1 Pinion proportion factor, Cpf
6.2 Evaluation of S and S1
6.3 Mesh alignment factor, Cma
8.1 Effective case depth for carburized pinions, he
8.2 Effective case depth for induction hardened
      pinions, he
8.3 Allowable contact stress number for steel gears,
      sac
8.4 Allowable bending stress number for steel gears,
      sat
8.5 Recommended hardening pattern on gear teeth with
      induction heating
10.1 Hardness ratio factor, CH (through hardened)
10.2 Hardness ratio factor, CH (surface hardened)
Tables
3.1 Symbols used in gear rating equations
8.1 Allowable contact stress number, sac
8.2 Allowable bending stress number, sat

Developed to cover open and semi-enclosed gear drives. Enclosed speed reducers or gearmotors are not included.