NF EN ISO 5674
Tractors and machinery for agriculture and forestry - Guards for power take-off (PTO) drive-shafts - Strength and wear tests and acceptance criteria
ISO 5674:2004 specifies laboratory tests for determining the strength and wear resistance of guards for PTO drive shafts on tractors and machinery used in agriculture and forestry, and their acceptance criteria. It is intended to be used in combination with ISO 5673. ISO 5674:2004 is applicable to the testing of such PTO drive shaft guards and their restraining means. It is not applicable to the testing of guards designed and constructed to be used as steps. Neither is it applicable to guard types whose use is limited by national regulations.
ISO 5674:2004 specifies laboratory tests for determining the strength and wear resistance of guards for PTO drive shafts on tractors and machinery used in agriculture and forestry, and their acceptance criteria. It is intended to be used in combination with ISO 5673.
ISO 5674:2004 is applicable to the testing of such PTO drive shaft guards and their restraining means. It is not applicable to the testing of guards designed and constructed to be used as steps. Neither is it applicable to guard types whose use is limited by national regulations.
Le présent document, applicable aux protecteurs d'arbres de transmission à cardans de prise de force, fixe les méthodes d'essai et les critères d'acceptabilité correspondants permettant de déterminer leur résistance à l'usure, robustesse et durabilité.
<p>ISO 5674:2004 specifies laboratory tests for determining the strength and wear resistance of guards for PTO drive shafts on tractors and machinery used in agriculture and forestry, and their acceptance criteria. It is intended to be used in combination with ISO 5673. </p> <p>ISO 5674:2004 is applicable to the testing of such PTO drive shaft guards and their restraining means. It is not applicable to the testing of guards designed and constructed to be used as steps. Neither is it applicable to guard types whose use is limited by national regulations. </p>
- Avant-proposiv
- Introductionv
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1 Domaine d'application1
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2 Références normatives1
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3 Termes et définitions1
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4 Conditions générales d'essai2
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4.1 Protecteur2
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4.2 Autres2
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5 Équipement d'essai2
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5.1 Généralités2
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5.2 Paramètres d'essai3
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6 Essais3
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6.1 Généralités3
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6.2 Essai d'usure4
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6.3 Essai de corrosion des paliers (À n'exécuter que si les paliers du protecteur sont, pendant leur fonctionnement, en contact avec l'arbre à cardans de p.d.f.)4
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6.4 Essais de résistance mécanique5
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6.5 Essais aux températures de gel8
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6.6 Essai des systèmes d'immobilisation à température ambiante10
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7 Critères finaux d'acceptation10
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8 Rapport d'essai12
- Annexe A (normative) Programme des essais13
- Annexe B (normative) Essais aux ultraviolets pour protecteurs en plastique16
- Annexe C (informative) Modèle de rapport d'essai17
- Annexe D (informative) Essais des nouveaux modèles de protecteurs et de systèmes d'immobilisation20
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