Abstract
A method is proposed for gathering the machining informations from the field engineers, instead of from the practical cutting tests, and calculating data files for EXAPT Systems from these informations. The gathered data are punched onto cards and sorted into a Master File after checking errors by a computer. The data in the Master File are plotted into graphs by a X-Y plotter and the trends of the gathered data are examined. It is revealed that the trends of data concerning EXAPT 1 coincide with the System's model, and that the material files and the machining file can be calculated. On the other hand, the trends of data concerning EXAPT 2 (turning) do not always agree with the System's cutting model, but the material files for EXAPT 2 can be created in the following way; 1) introduction of a model of constant feed rate values, irrespective of depth of cut, and 2) as for the model for obtaining cutting speed, calculating from gathered data only important values, and obtaining the others from the standard files. Cutting tests of turning using the material file based on the gathered data are successfully performed.
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