NF ISO 3070-1
Machines tools - Test conditions for testing the accuracy of boring and milling machines with horizontal spindle - Part 1 : machines with fixed column and movable table
ISO 3070-1-1:2007 specifies, with reference to ISO 230-1 and ISO 230-2, geometric tests, machining tests and tests for checking the accuracy and repeatability of positioning by numerical control of general purpose, normal accuracy, horizontal spindle boring and milling machines having a fixed column and movable table. ISO 3070-1:2007 also specifies the applicable tolerances corresponding to these tests. ISO 3070-1:2007 concerns machines having have both longitudinal (Z axis) and transverse (X axis) movement of the table, a vertical movement of the spindle head (Y axis), movement of the boring spindle or ram (W axis) and, possibly, a feed movement of radial facing slide in the facing head (U axis), and that may include a rotary or indexing table. ISO 3070-1:2007 deals only with the verification of the accuracy of the machine. It does not apply to the operational testing of the machine (e.g. vibration, abnormal noise, stick-slip motion of components) nor to machine characteristics (e.g. speeds, feeds), as such checks are generally carried out before testing the accuracy.
ISO 3070-1-1:2007 specifies, with reference to ISO 230-1 and ISO 230-2, geometric tests, machining tests and tests for checking the accuracy and repeatability of positioning by numerical control of general purpose, normal accuracy, horizontal spindle boring and milling machines having a fixed column and movable table. ISO 3070-1:2007 also specifies the applicable tolerances corresponding to these tests.
ISO 3070-1:2007 concerns machines having have both longitudinal (Z axis) and transverse (X axis) movement of the table, a vertical movement of the spindle head (Y axis), movement of the boring spindle or ram (W axis) and, possibly, a feed movement of radial facing slide in the facing head (U axis), and that may include a rotary or indexing table.
ISO 3070-1:2007 deals only with the verification of the accuracy of the machine. It does not apply to the operational testing of the machine (e.g. vibration, abnormal noise, stick-slip motion of components) nor to machine characteristics (e.g. speeds, feeds), as such checks are generally carried out before testing the accuracy.
Le présent document s'adresse aux constructeurs et aux utilisateurs de machines à aléser et à fraiser à montant fixe, à broche horizontale et définit les vérifications géométriques, les épreuves pratiques et les vérifications de précision et de répétabilité de positionnement par commande numérique à effectuer sur ces machines lors de la réception.
- Avant-proposiv
- Introductionv
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1 Domaine d'application1
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2 Références normatives1
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3 Terminologie et désignation des axes2
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3.1 Généralités2
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3.2 Types de mouvements2
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4 Définition des opérations d'usinage réalisées sur les machines3
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4.1 Alésage3
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4.2 Fraisage4
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5 Observations spéciales concernant des éléments particuliers4
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5.1 Chariots porte-broche4
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5.2 Tables5
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5.3 Paliers de lunettes5
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6 Observations préliminaires5
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6.1 Unités de mesure5
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6.2 Référence à l'ISO 230-15
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6.3 Ordre des essais5
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6.4 Essais à réaliser5
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6.5 Instruments de mesure6
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6.6 Essais d'usinage6
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6.7 Compensation du logiciel6
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6.8 Tolérance minimale6
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7 Essais géométriques7
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7.1 Rectitude et écarts angulaires des axes de coordonnées7
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7.2 Perpendicularité entre les axes de coordonnées13
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7.3 Table15
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7.4 Indexation ou table rotative18
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7.5 Broche d'alésage21
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7.6 Broche de fraisage27
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7.7 Coulisseau28
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7.8 Plateau à surfacer intégral31
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7.9 Palier de la lunette35
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8 Essais d'usinage36
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9 Vérification de l'exactitude et de la répétabilité de positionnement par commande numérique43
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10 Exactitude géométrique des axes de rotation des broches porte-outil49
- Bibliographie51
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