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FANUC i 系列维修讲义

FANUC i 系列维修讲义. Maintainance teaching materials Of FANUC 0i
[目录]
一 、数控机床的基本结构.............4
1-1.数控机床的命名 .....................4
1-2. 数控机床机械结构及特点 ....  6
1-3.数控机床控制方式 ...............7
1-4. 数控系统的组成 ......     .........8
1-5. 数控系统的软件分类:........ 11
二、FANUC i 系列数控系统的连接(18i).......12
2- 1.系统的组成........................12
2-2. i 系列数控系统连接框图...............................................................................................17
2-3. 外围电路及主要接口信号 ............................................................................................19
2-4. RS232C 外围输入输出设备的连接 .............................................................................21
2-5. 高速跳过信号................................................................................................................23
2-6. 主轴信 号........................................................................................................................24
2-7. 数字伺服的连接 ............................................................................................................28
2-8. FANUC I/O LINK ........................................................................................................36
三、数控机床故障诊断步骤.........................................................................40
3-1.接口电路的诊断——数控系统的诊断画面 ...............................................................40
3-2.机床返回参考点方式(增量、绝对) .......................................................................53
3-3.绝对位置检测时的零点设置 .......................................................................................55
3-4 实际解决不能自动运行的故障 .....................................................................................56
3-5.PMC 辅助手段——TRACER 和 FORCE 的使用说明............................................63
四.伺服参数的设置 ...................................................................................69
4-1. 数字伺服框图及工作原理 ............................................................................................69
4-2. 与数字伺服相关的参数................................................................................................71
4-3. 数字伺服画面调用 ........................................................................................................75
4-4 数字伺服参数的初始化设置 .........................................................................................77
五.伺服报警与故障处理 ............................................................................84
5-1 伺服的基本连接和电压规格 ..........................................................................................84
5-2 报警显示(CRT/LCD 报警内容)................................................................................86
5-3 电源单元状态灯说明 ......................................................................................................90
5-4 电源单元七段显示管报警 ..............................................................................................92
5-5 伺服放大器模块的报警.................................................................................................95
六.伺服报警诊断 .......................................................................................97
报警内容说明 ..............................................................................................99
详细报警分析及解决方案 ..........................................................................100
6-1-1.过载报警 (Soft Thermal, OVC) ...........................................................................100
6-1-2.反馈断线报警 .........................................................................................................101
6-1-3.过热报警 .................................................................................................................102
6-1-4.无效的伺服参数设定 .............................................................................................102
6-1-5.串行编码器报警 .....................................................................................................102
6-1-6.其他报警 .................................................................................................................104
6-1-7.如何更换保险和交换线路板..................................................................................105
6-2.FANUCα 系列部分参数说明(iB/iC/18i) .............................................................106
6-2-1.参数的修改 .............................................................................................................106
6-2--2.参数分类及主要参数说明 ....................................................................................108
七、常见机械故障分析 .............................................................................. 111
7-1. FANUC i 系列数控系统报警号分类....................................................................... 111
7-2. 常见故障分析(fanuc 维修说明书诊断步骤分析)............................................. 112
7-2-1.85~87 号报警(有关阅读机/穿孔机接口报警)............................................ 112
7-2-2.401 号报警 (V READY OFF) ......................................................................... 115
7-2-3.404 号报警 (V READY ON) ........................................................................... 116
7-2-4.700 号报警 (过热:控制单元)........................................................................ 116
7-2-5.701 号报警(过热:风扇电机) .......................................................................... 117
7-2-6.749 报警(串行主轴通讯错误) .......................................................................... 118
7-2-7. 750 号报警(串行主轴链起动不良).................................................................... 119
7-2-8. 900 号报警(ROM 奇偶校验错误) .....................................................................121
7-2-9.910~911 报警(S/DRAM 奇偶校验错误) .......................................................122
7-2-10.912~913 报警(0i-A SRAM 报警) ..................................................................123
7-2-11.912~919 报警(DRAM 奇偶校验错误,仅适用于 0iB~) .............................123
7-2-12.920 报警(伺服 RAM 监测报警).....................................................................124
7-2-13.930 报警(CPU 中断) ......................................................................................124
7-2-14.935 报警(SRAM ECC 错误).........................................................................124
7-2-15.973 报警(不明原因的 NMI 报警) ..................................................................125
7-2-16.974 报警(F-总线错误)....................................................................................125
7-2-17.975 报警(总线错误)........................................................................................126
八、维修工程师基本操作 ..........................................................................127
8-1. 常用数据的备份 .......................................................................................................127
8-1-1.数据备份的意义 .................................................................................................127
数据的分区和分类...............................................................................................................127
数据的备份和保存...............................................................................................................128
8-1-2.SRAM 中的数据备份 .............................................................................................128
8-1-3.通过 RS232-C 传送数据 .......................................................................................137
8-2. 更换电池及风扇应注意的问题 ...............................................................................147
8-2-1.电池的更换 .............................................................................................................147
8-2-2 冷却风扇单元的更换 ...............................................................................................149
8-2-3.更换 LCD 的灯管 .................................................................................................150
8-3. 重力轴电机拆卸时应注意的问题 ...........................................................................153
[摘要]
Cs 功能——C(C 轴)s(spindle 主轴),用主轴驱动方式既可实现 C 轴、也可实现 spindle 主轴功能。
Cf 功能——C(C 轴)f(feed 进给轴,即伺服轴)。用伺服驱动实现 C 轴功能、用主轴驱动实现 spindle 主轴功能。
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