SMT最基础培训教材

培训教材目录

第一章基础培训教材

第一节常用术语解释（一） ······························· · 1

1．组装图 ··································· 1

2．轴向引线元件 ································· 1

3．单端引线元件 ································· 1

4．印刷电路板 ········ 1

5．成品电路板 ·································· 1

6．单面板 ··································· 1

7．双面板 ··································· 1

8．层板 ···································· 2

9．焊盘 ··································· 2

10．元件面 ··································· 2

11．焊接面 ··································· 2

12．元件符号 ································· 2

13．母板 ··································· 2

14．金属化孔（PTH） ······························· 2

15．连接孔 ··································· 2

16．极性元件 ·································· 2

17．极性标志 ·································· 2

18．导体 ··································· 2

19．绝缘体 ··································· 2

20．半导体 ··································· 3

21．双面直插 ·································· 3

22．套管 ··································· 3 23．阻脚 ···································· 3

24．管脚打弯 ·································· 3

25．预面型 ··································· 3

第一节常用术语解释（二） ·································· 4

1．空焊 ······································ 4

2．假焊 ······································ 4

3．冷焊 ······································ 4

4．桥接 ······································ 4

5．错件 ······································ 4

6．缺件 ······································ 4

7．极性反向 ···································· 4

8．零件倒置 ··································· 4

9．零件偏位 ···································· 4

10．锡垫损伤 ··································· 4

11．污染不洁 ··································· 4

12．爆板 4

13．包焊 4

14．锡球 4

15．异物 4

16．污染 4

17．跷皮 4

18板弯变形 ···································· 4

19．撞角、板伤 ·································· 4

20．爆板 ····································· 4

21．跪脚 ····································· 4

22．浮高 ····································· 4 23．刮伤 ····································· 4

24．PCB板异物 ·································· 4

25．修补不良 ··································· 4

26．实体 ····································· 5

27．过程 ····································· 5

28．程序 ····································· 5

29．检验 ····································· 5

30．合格 ····································· 5

31．不合格 ···································· 5

32．缺陷 ····································· 5

33．质量要求 ··································· 5

34．自检 ····································· 5

35．服务 ····································· 5

第二节电子元件基础知识 ···································· 6

（一）阻器和电容器 ···································· 6

1．种类 ······································ 6

2．电阻的单位 ··································· 6

3．功率 ······································ 6

4．误差 ······································ 6

5．电阻的标识方法 ································ 6-8

6．功率电阻 ···································· 8

7．电阻网络 ··································· 8-9

8．电位器 ····································· 9

9．热敏电阻器 ··································· 9

10．可变电阻器 ·································· 9

（二）电容器 ······································· 10 1．概念和作用 ··································· 10

2．电路符号 ···································· 10

3．类型 ······································ 10

4．电容量 ····································· 10

5．直流工作电压 ·································· 10

6．电容器上的工程编码 ······························· 10

7．习题 ···································· 11-12

二、变压器（Transformer）和电感器（Inductor） ························· 13

（一）变压器 ···································· 13

（二）电感器 ···································· 13

三、二极管(diodc) ······································· 14

1．稳压二极管 ···································· 14

2．发光二极管(LED) ································· 14

四、三极管(triode) ······································ 15

1．习题 ········································· 16

五、晶体（crystal） ······································ 17

六、晶振（振荡器） ······································· 17

七、集成电路（IC） ······································· 17

八、稳压器 ··········································· 18

九、IC插座（Socket） ······································ 18

十、其它各种元件 ········································ 19

1．开关(Rwitch) ···································· 19

2．继电器(Relayo) ··································· 20

3．连接器(Connector) ·································· 20

4．混合电(mixed circuit) ································ 20