NF ISO 6336-5

NF ISO 6336-5

September 2003
Standard Cancelled

Calculation of load capacity of spur and helical gears - Part 5 : strength and quality of materials

ISO 6336-5:2003 describes contact and tooth-root stresses, and gives numerical values for both limit stress numbers. It specifies requirements for material quality and heat treatment and comments on their influences on both limit stress numbers. Values in accordance with it are suitable for use with the calculation procedures provided in ISO 6336-2 and ISO 6336-3 and in the application standards for industrial, high speed and marine gears. They are also suited to the calculation procedures given in ISO 10300 for rating the load capacity of bevel gears. It is applicable to all gearing, basic rack profiles, profile dimensions, design, etc., covered by those standards. The results are in good agreement with other methods for the range indicated in the scope of ISO 6336-1.

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Collections

National standards and national normative documents

Publication date

September 2003

Number of pages

52 p.

Reference

NF ISO 6336-5

ICS Codes

21.200   Gears

Classification index

E23-030-5

Print number

1 - 30/09/2003

International kinship

ISO 6336-5:2003
Sumary
Calculation of load capacity of spur and helical gears - Part 5 : strength and quality of materials

ISO 6336-5:2003 describes contact and tooth-root stresses, and gives numerical values for both limit stress numbers. It specifies requirements for material quality and heat treatment and comments on their influences on both limit stress numbers. Values in accordance with it are suitable for use with the calculation procedures provided in ISO 6336-2 and ISO 6336-3 and in the application standards for industrial, high speed and marine gears. They are also suited to the calculation procedures given in ISO 10300 for rating the load capacity of bevel gears. It is applicable to all gearing, basic rack profiles, profile dimensions, design, etc., covered by those standards. The results are in good agreement with other methods for the range indicated in the scope of ISO 6336-1.

Replaced standards (1)
NF ISO 6336-5
December 2000
Standard Cancelled
Calculation of load capacity of spur and helical gears - Part 5 : strength and quality of materials

Standard replaced by (1)
NF ISO 6336-5
February 2017
Standard Current
Calculation of load capacity of spur and helical gears - Part 5 : strength and quality of materials

<p>ISO 6336-5:2016 describes contact and tooth-root stresses and gives numerical values for both limit stress numbers. It specifies requirements for material quality and heat treatment and comments on their influences on both limit stress numbers.</p> <p>Values in accordance with ISO 6336-5:2016 are suitable for use with the calculation procedures provided in ISO 6336‑2, ISO 6336‑3 and ISO 6336‑6 and in the application standards for industrial, high-speed and marine gears. They are applicable to the calculation procedures given in ISO 10300 for rating the load capacity of bevel gears. ISO 6336-5:2016 is applicable to all gearing, basic rack profiles, profile dimensions, design, etc., covered by those standards. The results are in good agreement with other methods for the range indicated in the scope of ISO 6336‑1 and ISO 10300‑1.</p>

Table of contents
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  • Avant-propos
    iv
  • Introduction
    v
  • Domaine d'application
  • 2 Références normatives
  • 3 Termes, définitions et symboles
    2
  • 4 Méthode pour la détermination des contraintes admissibles
    2
  • 4.1 Généralités
    2
  • 4.2 Méthode A
    3
  • 4.3 Méthode B
    3
  • 4.4 Méthode Bk
    3
  • 4.5 Méthode Bp
    3
  • 5 Valeurs normalisées pour la contrainte admissible de référence - Méthode B
    3
  • 5.1 Application
    3
  • 5.2 Contrainte admissible de référence (pression de contact), sigma H lim
    4
  • 5.3 Contraintes de flexion sigma F lim et UFE
    5
  • 5.4 Abaques de représentation de sigma H lim, sigma F lim et UFE
    5
  • 5.5 Calcul de sigma H lim et sigma F lim
    6
  • 5.6 Profondeur de durcissement des roues dentées durcies superficiellement
    21
  • 6 Exigences pour la qualité et le traitement thermique du matériau
    24
  • 6.1 Généralités
    24
  • 6.2 Aciers normalisés à faible teneur en carbone ou aciers moulés, aciers au carbone, aciers non alliés (voir Figures 1 et 2)
    25
  • 6.3 Fonte malléable (voir Figures 3 et 4)
    25
  • 6.4 Autres matériaux (voir Figures 5 à 16)
    25
  • 6.5 Témoin de traitement
    37
  • 6.6 Décapage mécanique
    38
  • 6.7 Grenaillage de précontrainte
    38
  • Annexe A (normative) Dimensions de la section de contrôle pour les roues traitées dans la masse
    39
  • Annexe B (informative) Tableau de conversions de dureté
    42
  • Annexe C (informative) Mesure de la dureté superficielle à l'aide d'une lime
    43
  • Bibliographie
    45
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