SS-ISO-230-2 Historical Revision Information
Test code for machine tools - Part 2: Determination of accuracy and repeatability of positioning of numerically controlled machine tools axes (ISO 230-2:2006, IDT)

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This part of ISO 230 specifies methods for testing and evaluating the accuracy and repeatability of the positioning of numerically controlled machine tool axes by direct measurement of individual axes on the machine. These methods apply equally to linear and rotary axes. When several axes are simultaneously under test, the methods do not apply. This part of ISO 230 can be used for type testing, acceptance tests, comparison testing, periodic verification, machine compensation, etc. The methods involve repeat measurements at each position. The related parameters of the test are defined and calculated. Their uncertainties are estimated as described in ISO/TR 230-9:2005, Annex C [2]. Annex A presents the estimation of the measurement uncertainty. Annex B describes the application of an optional test cycle — the step cycle. The results from this cycle are not to be used either in the technical literature with reference to this part of ISO 230, nor for acceptance purposes, except under special written agreements between supplier/manufacturer and user. Correct reference to this part of ISO 230 for machine acceptance always refers to the standard test cycle.

To find similar documents by classification:

13.110 (Safety of machinery This group includes standards for general use)

25.040.20 (Numerically controlled machines)

25.080.01 (Machine tools in general)

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Designation Name

SS-ISO 230-2:2006

Revision Level




Publication Date

March 23, 2006



Page Count