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    O形圈推薦溝槽設計

    日期:2026-04-26 19:29
    瀏覽次數:17589
    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Wsunbet(中国区)官方网站
    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。
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    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:

       
     sunbet(中国区)官方网站
     
     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sunbet(中国区)官方网站
    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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