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MEASURING INSTRUMENTS CATALOG No.E2016

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Mitutoyo operates a policy of continuous improvement that aims to provide the customer with the benet of the latest technological advances.Therefore the company reserves the right to change any or all aspects of any product specication without notice.L-32L■Contour analysis methodsYou can analyze the contour with one of the following two methods after completing the measurement operation.Data processing section and analysis programThe measured contour is input into the data processing section in real time and a dedicated program performs the analysis using the mouse and/or keyboard. The angle, radius, step, pitch and other data are directly displayed as numerical values. Analysis combining coordinate systems can be easily performed. The graph that goes through stylus radius correction is output to the printer as the recorded prole.■Tolerancing with Design DataMeasured workpiece contour data can be compared with design data in terms of actual and designed shapes rather than just analysis of individual dimensions. In this technique each deviation of the measured contour from the intended contour is displayed and recorded. Also, data from one workpiece example can be processed so as to become the master design data to which other workpieces are compared. This function is particularly useful when the shape of a section greatly affects product performance, or when its shape has an inuence on the relationship between mating or assembled parts.■Best-ttingIf there is a standard for surface prole data, tolerancing with design data is performed according to the standard. If there is no standard, or if tolerancing only with shape is desired, best-tting between design data and measurement data can be performed.The best-t processing algorithm searches for deviations between both sets of data and derives a coordinate system in which the sum of squares of the deviations is a minimum when the measured data is overlaid on the design data.■Data CombinationConventionally, if tracing a complete contour is prevented by stylus traceable-angle restrictions then it has to be divided into several sections that are then measured and evaluated separately. This function avoids this undesirable situation by combining the separate sections into one contour by overlaying common elements (lines, points) onto each other. With this function the complete contour can be displayed and various analyses performed in the usual way.Aspheric lens contourInternal gear teethMale thread formGage contourFemale thread formInner/outer ring contour of a bearing■Measurement ExamplesMeasured dataDesign dataMeasured dataDesign dataData combinationData 2Data 1

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