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O形圈推薦溝槽設計

日期:2025-06-03 15:19
瀏覽次數:17164
摘要:
一、概述:O形圈推薦溝槽設計
1.特點:O形密封圈由於它製造費用低及使用方便,因而被廣泛應用在各種動、靜密封場合。
2.O形圈標準一覽表
標準O形圈截麵直徑W
美國標準AS5681.78 2.62 3.53 5.33 7.00
英國標準 BS 1516
日本標準JISB24011.9 2.4 3.1 3.5 5.7 8.4
**標準 ISO 3601/11.8 2.65 3.55 5.30 7.00
德國標準 DIN 3771/1
中國標準GB3452.1
優先的米製尺寸1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.07.08.010.0 12.0
美國標準 AS 568(900係列)1.02 1.42 1.63 1.83 1.98 2.08 2.212.462.953.00

3.密封機理:
O形密封圈是一種自動雙向作用密封元件。安裝時其徑向和軸向方麵的預壓縮賦與O形密封圈自身的初始密封能力。它隨係統壓力的提高而增大。
4.性能參數
 靜態密封動態密封
工作壓力無擋圈時,*高可達20MPa無擋圈時,*高可達5MPa
有擋圈時,*高可達40MPa有擋圈時,較高壓力。
用特殊擋圈時,*高可200MPa 
運動速度*大往複速度可達0.5m/s,*大旋轉速度可達2.0m/s。
溫度一般場合:-30℃~+110℃;特殊橡膠:-60℃~+250℃;旋轉場合:-30℃~+80℃
介質見《材料特性》
二、O形圈內徑和截徑公差:
O形圈內徑和截徑公差:

   
 
 
 O形圈內徑D1公差
 ±公差d1±公差d1±公差d1±公差d1±公差
≤2.50.1342.50.487.50.751801.413652.62
4.50.1443.70.41900.771851.443752.68
6.30.15450.4292.50.791901.483872.76
8.50.1646.20.43950.811951.514002.84
100.1747.50.4497.50.832001.554122.91
11.20.1848.70.451000.842061.594252.99
140.19500.461030.872121.634373.07
160.251.50.471060.892181.674503.15
180.21530.481090.912241.714623.22
200.2254.50.51120.932301.754753.3
21.20.23560.511150.952361.794873.37
23.60.24580.521180.972431.835003.45
250.25600.5412212501.885153.54
26.50.2661.50.551251.032581.935303.63
280.28630.561281.052651.985453.72
300.29650.581321.082722.025603.84
31.50.31670.591361.12802.085803.93
33.50.32690.611401.132902.146004.05
34.50.33710.631451.173002.216154.13
35.50.34730.641501.23072.256304.22
36.50.35750.661551.243152.36504.34
37.50.3677.50.671601.273252.376704.46
38.70.37800.691651.313352.43>6700.70%
400.3882.50.711701.343452.49  
41.20.39850.731751.383552.56   
     O形圈線徑D2 公差    
d2≤1.8≤2.65≤3.55≤5.3≤7≤8≤10
±公差0.080.090.10.130.150.160.18
安裝圖
截麵直徑 W徑向安裝軸向安裝倒角半徑
溝槽深度溝槽寬度溝槽深度溝槽寬度
動密封靜密封      
t1+0.05t+0.05b1+0.2b2+0.2b3+0.2h+0.05b4+0.05r1
0.50-0.350.80--0.350.800.20
0.74-0.501.00--0.501.000.20
1.00 1.02-0.701.40--0.701.400.20
1.20-0.851.70--0.851.700.20
1.25 1.27-0.901.70--0.901.800.20
1.30-0.951.80--0.951.800.20
1.42-1.051.90--1.052.000.30
1.50 1.521.251.102.003.004.001.102.100.30
1.60 1.631.301.202.103.104.101.202.200.30
1.78 1.801.451.302.403.805.201.302.600.40
1.831.501.352.503.905.301.352.600.40
1.901.551.402.604.005.401.402.700.40
1.98 2.001.651.502.704.105.501.502.800.40
2.08 2.1001.751.552.804.205.601.552.900.40
2.201.851.603.004.405.801.663.000.40
2.261.901.703.004.405.801.703.100.40
2.30 2.341.951.753.104.505.901.753.100.40
2.402.051.803.204.606.001.803.300.50
2.462.101.853.304.706.101.853.400.50
2.502.151.853.304.706.101.853.400.50
2.62 2.652.252.003.605.006.402.003.800.60
2.702.302.053.605.006.402.053.800.60
O形圈推薦溝槽設計
截麵直徑 W徑向安裝軸向安裝倒角半徑
溝槽深度溝槽寬度溝槽深度溝槽寬度
動密封靜密封      
t1+0.05t+0.05b1+0.2b2+0.2b3+0.2h+0.05b4+0.05r1
2.802.402.103.705.106.502.103.900.60
2.92 2.952.502.203.905.306.702.204.000.60
3.002.602.304.005.406.802.304.000.60
3.102.702.404.105.506.902.404.100.60
3.503.052.654.606.007.402.654.700.60
3.53 3.553.102.704.806.207.602.705.000.80
3.603.152.804.806.207.602.805.100.80
4.003.503.105.206.908.603.105.300.80
4.504.003.505.807.509.203.505.900.80
5.004.404.006.608.3010.224.006.700.80
5.33 5.304.704.307.108.8010.504.307.301.20
5.504.804.507.108.8010.504.507.301.20
5.705.004.607.208.9010.604.607.401.20
6.005.304.907.409.1010.804.907.601.20
6.505.705.408.009.7014.405.408.201.20
6.99 7.006.105.809.5012.0014.505.809.701.50
7.506.606.309.7012.2014.706.309.901.50
8.007.106.709.8012.3014.806.7010.001.50
8.407.507.1010.0012.5015.007.1010.301.50
9.008.107.7010.6013.1015.607.7010.902.00
9.508.608.2011.0013.5016.008.2011.402.00
10.009.108.6011.6014.1016.608.6012.002.50
12.0011.0010.6013.5016.0018.5010.6014.002.50

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