最新液压气动用O型橡胶密封圈沟槽尺寸.doc

GB/T3452.3-20054.1 径向密封4.1.1 活塞密封沟槽活塞密封沟槽型式应符合图1的规定图1 径向密封的活塞密封沟槽型式4.1.2活塞杆密封沟槽活塞杆密封沟槽型式应符合图2规定图2 径向密封的活塞杆密封沟槽型式4.1.3 带挡圈的沟槽带挡圈的沟槽型式应符合图3的规定图3 径向密封带挡圈密封沟槽型式2GB/T3452.3-20054.2 轴向密封4.2.1 受内部压力的沟槽受内部压力的沟槽型式应符合图4的规定图4 轴向密封受内部压力的沟槽型式4.2.2 受外部压力的沟槽受外部压力的沟槽型式应符合图5的规定图5 轴向密封受外部压力的沟槽型式5 O型圈沟槽尺寸与公差5.1 径向密封径向密封的沟槽型式见图1-图35.1.1 径向密封的沟槽尺寸径向密封的沟槽尺寸应符合表1的规定表1 径向密封的沟槽尺寸单位为毫米O型密封圈直径d21.802.653.555.307.00沟槽宽度气动动密封2.23.44.66.99.3液压动密封或静密封b2.43.64.87.19.5b13.85.06.29.012.3b25.26.47.610.915.13GB/T3452.3-20056 O形密封圈的应用选择和沟槽尺寸的确定6.1 O形圈的应用选择在可以选用几种截面O形圈的情况下，应优先选用大截面的O形圈。

表5给出按GB/T3452.1选择的O形圈对于径向静密封和动密封的适用范围表5 径向静密封和动密封的适用范围O形圈规格范围/mm应 用活塞密封活塞杆密封d2d1液压动密封气动动密封静密封液压动密封气动动密封静密封1.80▲▲▲▲▲▲▲▲▲▲▲2.65▲▲▲▲▲▲▲▲3.55▲▲▲▲▲▲▲▲5.30▲▲▲▲▲▲▲▲7.00▲▲▲▲▲▲▲▲ 注：“▲”为推荐使用的密封型式6.2 O形圈沟槽尺寸的确定6.2.1 径向密封对于液压应用，活塞动密封的O形圈沟槽尺寸及公差应依照表1、表3和表6确定对于气动应用，活塞动密封的O形圈沟槽尺寸及公差应依照表1、表3和表7确定对于液压、气动应用，活塞静密封的O形圈沟槽尺寸及公差应依照表1、表3和表8确定对于液压应用，活塞杆动密封的O形圈沟槽尺寸及公差应依照表1、表3和表9确定对于气动应用，活塞杆动密封的O形圈沟槽尺寸及公差应依照表1、表3和表10确定对于液压、气动应用，活塞杆静密封的O形圈沟槽尺寸及公差应依照表1、表3和表11确定6.2.2轴向密封受内部压力时，O形圈沟槽尺寸及公差应依照表2、表3和表12确定受外部压力时，O形圈沟槽尺寸及公差应依照表2、表3和表13确定6GB/T3452.3-2005表6 液压活塞动密封沟槽尺寸 单位为毫米d4H8d9f7d3h9d1d4H8d9f7d3h9d1d4H8d9f7d3h9d1d2=1.8d2=3.55d2=3.5578910111213141516171819204.35.36.37.38.39.310.311.312.313.314.315.316.317.34566.988.751010.611.812.51415161743444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788899091929394959697989910010110210310437.338.339.340.341.342.343.344.345.346.347.348.349.350.351.352.353.354.355.356.357.358.359.360.361.362.363.364.365.366.367.368.369.370.371.372.373.374.375.376.377.378.379.380.381.382.383.384.385.386.387.388.389.390.391.392.393.394.395.396.397.398.336.537.538.738.74041.242.543.743.74546.247.548.748.75051.551.5535354.5565658586061.561.5636365656767696971717373757577.577.577.5808082.582.582.5858587.587.587.5909092.592.592.5959597.510510610710810911011111211311411511611711811912012112212312412512612712812913013113213313413513613713813914014114214314414514614714814915015115215315415515615715815916016116216316416516699.3100.3101.3102.3103.3104.3105.3106.3107.3108.3109.3110.3111.3112.3113.3114.3115.3116.3117.3118.3119.3120.3121.3122.3123.3124.3125.3126.3127.3128.3129.3130.3131.3132.3133.3134.3135.3136.3137.3138.3139.3140.3141.3142.3143.3144.3145.3146.3147.3148.3149.3150.3151.3152.3153.3154.3155.3156.3157.3158.3159.3160.397.597.5100100100103103103106106106109109109112112112115115115118118118118122122122125125125128128128128132132132132132136136136140 140140142.5142.5145145147.5147.5147.5150150152.5152.5152.5155155157.5157.5157.5d2=2.65192021222324252627282930313233343536373839404142434414.915.916.917.918.919.920.921.922.923.924.925.926.927.928.929.930.931.932.933.934.935.936.937.938.939.914.515.5161718192021.222.422.424.32526.527.328293031.532.533.534.535.536.537.538.538.7d2=3.552425262728293031323334353637383940414218.319.320.321.322.323.324.325.326.327.328.329.330.331.332.333.334.335.336.318192020.321.222.423.62525.826.527.328303031.532.533.534.535.57GB/T3452.3-2005 表7 （续） 单位为毫米d4H8d9f7d3h9d1d4H8d9f7d3h9d1d4H8d9f7d3h9d1d2=3.55d2=5.3d2=71631641651661671681691701711721731741751761771781791801811821831841851861871881891。