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车床在切削加工过程中,有一半时间用于装夹工件、调换刀具、校正及测量,可电机还在运转,造成空载损耗。四川内江市电机厂先后在CW6163、C630、C620等六台车床上安装了电机空载自停节电装置,节省空载损耗70%,每台每年可省电2000度以上。该装置简单易改,操作方便,在有离合器传动的车床上均可推广使用。现以CW6163车床为例说明该装置的结构、原理,请看图,在进给箱侧面装一只行程开关把它的常闭触点串入机床电气控制线路,用它代替原停机按钮(行程开关型号
Lathe in the cutting process, half the time for clamping workpieces, replacement tools, calibration and measurement, the motor is still running, resulting in no-load loss. Neijiang City, Sichuan Motor Factory has CW6163, C630, C620 and other six lathes installed on the motor self-stop power device without load, saving no-load loss of 70%, each year can save more than 2000 degrees. The device is simple and easy to change, easy to operate, can be widely used in lathe with clutch transmission. CW6163 lathe is an example to illustrate the structure of the device, the principle, see the figure, the side of the feeder box installed a limit switch its normally closed contacts into the machine electrical control circuit, use it instead of the original shutdown button (stroke Switch model