Optimale snijsnelheid bij meer‐machine‐bediening1),2)

W. Bakker

Statistica Neerlandica, 1962, vol. 16, issue 3, 291-302

Abstract: In calculating formulas to determine the optimal number of machines assigned to an operator, the ratio of service time to machine operating time is supposed to be a constant for a given type of equipment. Changing the cutting speed on automatic lathes changes the tool life and the unit production time and, therefore, the ratio of service time to machine operating time and the efficiency. In this article a method to determine the optimal cutting speed and the corresponding optimal number of machines assigned to an operator is given. An example is given in which it was possible to attain a saving of f 2200 per lathe per year by assigning 7 lathes to an operator instead of 3. A further saving of f 5500 per lathe per year was calculated by decreasing the cutting speed to three‐fourths of its original value and correspondingly assigning 15 to 17 lathes to one operator.

Date: 1962
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