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ISO 10791-7:2020

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Test conditions for machining centres — Part 7: Accuracy of finished test pieces

This document specifies, by reference to the relevant parts of ISO 230, several families of tests for machining centres with horizontal or vertical spindle or with universal heads of different types, standing alone, or integrated in flexible manufacturing systems. This document also establishes the tolerances or maximum acceptable values for the test results corresponding to general purpose and normal accuracy machining centres.

This document is also applicable, totally or partially, to numerically controlled milling and boring machines, when their configuration, components, and movements are compatible with the tests described herein.

This document specifies standard test pieces with reference to ISO 230-1, cutting tests under finishing conditions. It also specifies the characteristics and dimensions of the test pieces themselves. This document is intended to supply minimum requirements for assessing the cutting accuracy of the machining centres with 3 to 5 simultaneous machining axes. Annex A introduces a freeform test piece for five-axis machining centres. This machining test is applied to machining centres using five-axis flank milling of freeform surfaces.

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Related Information

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  • BS ISO 10791-1:2015

    Test conditions for machining centres, Geometric tests for machines with horizontal spindle (horizontal Z-axis)

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  • BS ISO 10791-10:2022 - TC

    Tracked Changes. Test conditions for machining centres, Evaluation of thermal distortions

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