2 数控机床.....................................................................................................................1

2.1 数控机床的发展过程...........................................................................................................1

2.2 数控机床的工作原理、组成和分类数控机床发展趋势..................................................1

2.3 数控机床技术的优点...........................................................................................................3

2.4 机床电气控制原理...............................................................................................................3

3 数控机床电气系统的特点.........................................................................................1

3.1 数控机床对电气系统的基本要求......................................................................................1

3.2 电气系统的故障特点...........................................................................................................2

4 故障的检查与分析.....................................................................................................1

4.1 故障处理前的工作...............................................................................................................1

4.2 电气故障的常用诊断方法..................................................................................................1

5 数控机床电气系统的故障诊断与维修.....................................................................1

5.1 数控机床中的常见开关及故障诊断..................................................................................1

5.2 低压断路器常见故障现象及其诊断..................................................................................1

5.3 接触器常见故障现象及诊断..............................................................................................2

5.4 继电器常见故障现象及诊断..............................................................................................3

5.5 数控机床的主流主电路系统..............................................................................................5

6 故障举例分析.............................................................................................................1

结论

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参考文献

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