Comparison of Power Consumption Between Krisbow Lathe Type KW 15-486 and Krisbow Lathe Type C0636AX1000

Abstract

Electrical power consumption in turning machines is a critical factor affecting manufacturing efficiency, primarily influenced by process parameters such as spindle speed and depth of cut. This study aims to compare the electrical power consumption of two types of turning machines—Krisbow Type KW 15-486 and Krisbow Type C0636AX1000—under varying spindle speeds and cutting depths. The workpiece material used was ST-40 steel. Electrical power data were obtained from empirical current measurements during the turning process and subsequently converted into theoretical power values. Experimental variations included spindle speeds of 65, 180, 235, 400, 700, and 1000 rpm, and cutting depths of 1 mm and 2 mm. The results revealed that increasing spindle speed generally led to a decrease in electrical power consumption up to a certain point, after which, at speeds above 700 rpm and 1000 rpm, power consumption tended to rise again. In contrast, greater cutting depth consistently resulted in higher power consumption. The findings demonstrate distinct energy consumption characteristics between the two turning machines, providing valuable insights for selecting machine types based on energy efficiency considerations.