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Unit:
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3.1 材料按表1規定。
表1
釘體材料 | 釘芯材料 | ||||
種類 | 牌号 | 标準編号 | 種類 | 牌号 | 标準編号 |
鋁合金 | LF5-1 | GB 3190 | 低碳、中碳結構鋼絲 | 由制造者選擇 | GB 699 |
GB 3206 | |||||
不鏽鋼 | 2Cr13 | GB 1220 | |||
低碳鋼 | 08F、10、15 | GB 699 | 低碳、中碳結構鋼絲 | 由制造者選擇 | GB 699 |
GB 3206 | |||||
3.2 鉚釘鉚接後，形成的花瓣應基本一緻。
3.3 形位公差
3.3.1 垂直度，扁圓頭鉚釘的支承面對釘杆軸心線的垂直度公差按圖1及表2的規定。
表2
d | 3 | 4 | 5 | 6 | 6.4 |
t | 0.1 | 0.15 | |||
3.3.2 同軸度，鉚釘釘頭對釘杆軸心線的同軸度公差按圖2及表3的規定。
表3
d | 3 | 4 | 5 | 6 | 6.4 |
t | 0.1 | 0.15 | |||
3.4 表面缺陷：鉚釘表面不允許有影響使用的裂縫、圓鈍、飛邊、條痕、浮鏽。
3.5 表面處理：釘體不進行表面處理，釘芯表面應采取防鏽處理。
L 公稱 (mm) | 推薦的鉚接厚度 d (mm) | ||||
3 | 4 | 5 | 6 | 6.4 | |
6 | 2.5~3 | 1.5~2.5 |
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7 | 3.5~4 | 2.5~3.5 |
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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 |
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| 16~17.5 | 16~17.5 | |
22 |
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| 17~18.5 | 17~18.5 | |
23 |
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| 18~19.5 | 18~19.5 | |
24 |
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| 19~20.5 | 19~20.5 | |
25 |
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| 20~21.5 | 20~21.5 | |
26 |
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| 21~22.5 | |
27 |
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| 22~23.5 | |
28 | 23~24.5 | ||||
29 |
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| 24~25.5 | |
30 |
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| 25~26.5 | |
31 |
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| 26~27.5 | |
32 |
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| 27~28.5 | |
33 |
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| 28~29.5 | |
34 |
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| 29~30.5 | |
35 |
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| 30~31.5 | |
36 |
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| 31~32.5 | |
37 |
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| 32~33.5 | |
38 |
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| 33~34.5 | |
39 |
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| 34~35.5 | |
40 |
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| 35~36.5 | |
41 |
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| 36~37.5 | |
42 |
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| 37~38.5 | |
43 |
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| 38~39.5 | |
44 |
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| 39~40.5 | |
45 |
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| 40~41.5 | |
被鉚接件的鉚釘孔應比鉚釘公稱直徑大0.1mm。 | |||||
L | 測量位置與鉚釘頭距離 (mm) |
≤20mm | 0.5d（不小于2） |
＞20mm | 0.6d和0.5L |
鉚釘長度（L）的檢查，以短邊為準。 | |
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