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| ①,公差帶 f8,公差值按 GB/T 1800.2。 |

d | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 12 | 14 | 15 | 16 | 18 | 20 | 22 |
h | 4 | 5.5 | 6.5 | 7.5 | 8.5 | 10 | 11 | 13 | 15 | 16 | 17 | 19 | 21.5 | 23.5 |

D | H | D1 | t |
4 | ≥5 | ≤3 | 0.3 |
5 | ≥6.5 | ≤4 | 0.3 |
6 | ≥7.5 | ≤5 | 0.3 |
7 | ≥8.5 | ≤6 | 0.3 |
8 | ≥9.5 | ≤7 | 0.3 |
9 | ≥11 | ≤8 | 0.3 |
10 | ≥12 | ≤9 | 0.5 |
12 | ≥14 | ≤10.5 | 0.5 |
14 | ≥16 | ≤12.5 | 0.5 |
15 | ≥17 | ≤13.5 | 0.5 |
16 | ≥18 | ≤14.5 | 0.5 |
18 | ≥20 | ≤16.5 | 0.5 |
20 | ≥22.5 | ≤18 | 0.5 |
22 | ≥24.5 | ≤20 | 0.5 |
封堵孔材料:灰口鑄鐵,球墨鑄鐵;抗拉強度 σb ≤ 1000 Mpa、硬度≤ 250 HB 的鋼或合金鋼;銅;中、高強度鋁合金。
封堵孔加工工藝:鑽孔後鉸孔。
安裝方法說明:
a) 封堵孔表面應避免與油或油脂接觸;
b) 插入堵頭,借助手錘和合适的沖頭将鋼球壓入堵頭孔内即可;
c) 封堵孔最小壁厚不得小于堵頭直徑;如壁厚小于堵頭直徑,應進行試驗。
拆除方法:球漲式堵頭的鋼球硬度≤40 HRC。若需拆除堵頭,可用硬質合金鑽頭鑽去。當直徑大于 6 mm 時,可分次鑽去。
球漲式堵頭的适用溫度範圍為 -40~100℃。
類似标準及供貨信息
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