李桢桢陈胜毕业论文江苏城市职业技术学院毕业论文课题名称基于单片机电子时钟设计姓名王慧芝学号43专业机电一体化班级09机电指导老师张建2011年11月目录前言-----------------------------------------------------------3摘要-----------------------------------------------------------3第一章绪论------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------7第二章B2012A龙门刨床的基本情况-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------10第三章龙门刨床对控制系统的要求-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------12第四章B2012A型龙门刨床的电气控制-----------------------------------------------------------------—拖动系统组成----------------------------------------------------------------------------17第五章变频技术----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------22第六章B2012A型龙门刨床PLC控制系统组成-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------29毕业设计
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