描述
条件:先起动主轴电动机M1,使接触器KM1吸合,它在进给变速冲动控制电路中的常开触点(6-9)闭合。
过程分析:变速时将变速盘往外拉到极限位置,再把它转到所需的速度,最后将变速盘往里推。在推的过程中挡块压一下微动开关SQ5,其常闭触点SQ5-2(9-11)断开一下,同时,其常开触点SQ5-1(11-14)闭合一下,接触器KM2短时吸合,进给电动机M3就转动一下。当变速盘推到原位时,变速后的齿轮已顺利啮合。
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主营:世界知名品牌的PLC、DCS系统备件模块
①Allen-Bradley(美国AB)系列产品》
②Schneider(施耐德电气)系列产品》
③General electric(通用电气)系列产品》
④Westinghouse(美国西屋)系列产品》
⑤SIEMENS(西门子系列产品)》
⑥销售ABB Robots.FANUC Robots、YASKAWA Robots、KUKA Robots、Mitsubishi Robots、OTC Robots、PanasonicRobots、MOTOMAN Robots。
⑦estinghouse(西屋):OVATION系统、WDPF系统、MAX1000系统备件。
⑧Invensys Foxboro(福克斯波罗):I/A Series系统,FBM(现场输入/输出模块)
顺序控制、梯形逻辑控制、事故追忆处理、数模转换、输入/输出信号处理、数
据通信及处理等。Invensys Triconex:冗余容错控制系统、基于三重模件冗余(TMR)
结构的zui现代化的容错控制器。
⑨Siemens(西门子):Siemens MOORE,Siemens Simatic C1,Siemens数控系统等。
⑩Bosch Rexroth(博世力士乐):Indramat,I/O模块,PLC控制器,驱动模块等。
◆Motorola(摩托罗拉):MVME 162、MVME 167、MVME1772、MVME177等系列。
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