描述
某卧式镗床继电器控制系统的电路图，包括主电路、控制电路、照明电路和指示电路。镗床的主轴电机M1是双速异步电动机，中间继电器KA1和KA2控制主轴电机的起动和停止，接触器KM1和KM2控制主轴电机的正反转，接触器KM4、KM5和时间继电器KT控制主轴电机的变速，接触器KM3用来短接串在定子回路的制动电阻。SQ1、SQ2和SQ3、SQ4是变速操纵盘上的限位开关，SQ5和SQ6是主轴进刀与工作台移动互锁限位开关，SQ7和SQ8是镗头架和工作台的正、反向快速移动开关。
Mitsubishi / Mazak board FX 715A, FX715A
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FANUC SERVO DRIVE A06B-6047-H040 VELOCITY CONTROL UNIT
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FANUC A16B-1211-0750 PC BOARD I/O tested warranty
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IN87001-HS Hitachi Seiki Distribution Board LXIII CON.
IN87002-HS -1 Hitachi Seiki Distribution Board LX III
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Hitachi Seiki VMC40-3 DIS1 13-29-00-00-A tested
Hitachi Seiki OPIO-MC3 10-41-01-01 tested
