Method for determining departures from roundness by measuring variations in radius
Method for determining departures from roundness by measuring variations in radius
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What is BS 6740 - Departures from roundness about?
BS 6740 specifies a method for determining departures from roundness by measuring variations in radius by means of contact (stylus) instruments. BS 6740 applies to the assessment of the departures from ideal roundness of a workpiece through the medium of a profile transformation, obtained under reference conditions, expressed with respect to any one of the following centres:
Centre of the least squares circle
Другие стандарты BS