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ISO 4291:1985

Current Revision

Methods for the assessement of departure from roundness - Measurement of variations in radius

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Establishes types of contact (stylus) instruments to be used, recommendations for their use, procedures for calibration of instruments and verification of their characteristics. Applies to a profile transformation, obtained under reference conditions. Departures from roundness of the measured profile, procedure, calibration and determination of systematic errors of rotation are dealt with in annexes A to D, respectively. Annex E gives rules for plotting and reading polar graphs. The position of the least squares centre can be calculated from a simple explicit equation given in annex F.


SDO ISO: International Organization for Standardization
Document Number ISO 4291
Publication Date Not Available
Language en - English
Page Count
Revision Level
Supercedes
Committee ISO TC 213
Publish Date Document Id Type View
Not Available ISO 4291:1985 Revision