3.1 材料按表1规定。
表1
钉体材料 | 钉芯材料 | ||||
种类 | 牌号 | 标准编号 | 种类 | 牌号 | 标准编号 |
铝合金 | LF5-1 | GB 3190 | 低碳、中碳结构钢丝 | 由制造者选择 | GB 699 |
GB 3206 | |||||
不锈钢 | 2Cr13 | GB 1220 | |||
低碳钢 | 08F、10、15 | GB 699 | 低碳、中碳结构钢丝 | 由制造者选择 | GB 699 |
GB 3206 |
3.2 铆钉铆接后,形成的花瓣应基本一致。
3.3 形位公差
3.3.1 垂直度,扁圆头铆钉的支承面对钉杆轴心线的垂直度公差按图1及表2的规定。
表2
d | 3 | 4 | 5 | 6 | 6.4 |
t | 0.1 | 0.15 |
3.3.2 同轴度,铆钉钉头对钉杆轴心线的同轴度公差按图2及表3的规定。
表3
d | 3 | 4 | 5 | 6 | 6.4 |
t | 0.1 | 0.15 |
3.4 表面缺陷:铆钉表面不允许有影响使用的裂缝、圆钝、飞边、条痕、浮锈。
3.5 表面处理:钉体不进行表面处理,钉芯表面应采取防锈处理。
L 公称 (mm) | 推荐的铆接厚度 d (mm) | ||||
3 | 4 | 5 | 6 | 6.4 | |
6 | 2.5~3 | 1.5~2.5 |
|
| |
7 | 3.5~4 | 2.5~3.5 |
|
| |
8 | 4.5~5 | 3.5~4.5 | 3~4.5 | 3~4.5 | |
9 | 5.5~6 | 4.5~5.5 | 4~5.5 | 4~5.5 | |
10 | 6.5~7 | 5.5~6.5 | 5~6.5 | 5~6.5 | |
11 | 7.5~8 | 6.5~7.5 | 6~7.5 | 6~7.5 | |
12 | 8.5~9 | 7.5~8.5 | 7~8.5 | 7~8.5 | |
13 | 9.5~10 | 8.5~9.5 | 8~9.5 | 8~9.5 | |
14 | 10.5~11 | 9.5~10.5 | 9~10.5 | 9~10.5 | |
15 | 11.5~12 | 10.5~11.5 | 10~11.5 | 10~11.5 | |
16 |
| 11.5~12.5 | 11~12.5 | 11~12.5 | |
17 |
| 12.5~13.5 | 12~13.5 | 12~13.5 | |
18 |
| 13.5~14.5 | 13~14.5 | 13~14.5 | |
19 |
| 14.5~15.5 | 14~15.5 | 14~15.5 | |
20 |
| 15.5~16.5 | 15~16.5 | 15~16.5 | |
21 |
|
| 16~17.5 | 16~17.5 | |
22 |
|
| 17~18.5 | 17~18.5 | |
23 |
|
| 18~19.5 | 18~19.5 | |
24 |
|
| 19~20.5 | 19~20.5 | |
25 |
|
| 20~21.5 | 20~21.5 | |
26 |
|
|
| 21~22.5 | |
27 |
|
|
| 22~23.5 | |
28 | 23~24.5 | ||||
29 |
|
|
| 24~25.5 | |
30 |
|
|
| 25~26.5 | |
31 |
|
|
| 26~27.5 | |
32 |
|
|
| 27~28.5 | |
33 |
|
|
| 28~29.5 | |
34 |
|
|
| 29~30.5 | |
35 |
|
|
| 30~31.5 | |
36 |
|
|
| 31~32.5 | |
37 |
|
|
| 32~33.5 | |
38 |
|
|
| 33~34.5 | |
39 |
|
|
| 34~35.5 | |
40 |
|
|
| 35~36.5 | |
41 |
|
|
| 36~37.5 | |
42 |
|
|
| 37~38.5 | |
43 |
|
|
| 38~39.5 | |
44 |
|
|
| 39~40.5 | |
45 |
|
|
| 40~41.5 | |
被铆接件的铆钉孔应比铆钉公称直径大0.1mm。 |
L | 测量位置与铆钉头距离 (mm) |
≤20mm | 0.5d(不小于2) |
>20mm | 0.6d和0.5L |
铆钉长度(L)的检查,以短边为准。 |
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