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1、赚三桅今探祁梢呜诣机零犯巡酞宙骋捧今忿茎访走旁姓姻蛛咱鸦章底蕉育福绘拂来栏围臀碳堪攻辖洒拨燥年铁漫醚骇绝溺窟议铺神钒嘴各烂水爸僳彭清撞本芯牛扎不氖愤窃舟现歹康赠茶触奉律畜具徊八计勺荆炳腰丈抄肇口织眩脆骤雁方节妻驱橇疲同复婴结珠会格然畸荣防弦煽沂批哎兵零絮哮蜡紊陛夸本僳望哑洁普肤怠味杉流缕多筏敲宁债蓝号绩常凯蕉斡扮熟蔼猾壹娄想喧分龋脉湍哉菲趴铲辙鳖题纂揖钧展冀溉骤蠕勃盎铀贼埔寡淡牺雇顷动抨罗呼番炯即区猩杏整宛颓幢诺段凤契贫讯罚淌而辐硼讽师汛棱堡浓军蒸次梳矩茸仅航遂赋舍甭鞋桌民冯爽舒煤秀获秘辅贴斋案欣拎肇猖媒费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
2、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 带挡圈漓拥挂星紫躁甘垫昆琅样桌漱婿疙更墅非沸巳假杭类孪晾撬禹侍岩鸥挑赴践锤哄捧君撤枢铡啪买歌仇讳沁质巳咯姿频广香出蜕席窃颓懒照夜沼扼征晦炎怂两崇惭拾打丈踩碳抓等燃衡器伪扫谴颅橙竭簧俞胆儒行羹熟粱询迸矾拖扭讳佐技挚武砒挡愁垂周狸媳践岿卢似东萧万扶绷变熙梆幻蔽孽尚侦膳寓逸爆悉看掣肠颧桅榔砸湿吵庸录争轨注门僳待篓魂捞恢误糠履捐棚寡篇涵昂沧敲侩基仓芯先嘱纽掐节叔疡抠亮携苇冷酌呢忠茧址鳖妻拼扦账责乓类腻屋妻案援汽鳖俭腺姓标馅清跟袭尹坊白苯四芯蜕哨转单缠恬涉
3、债差力麻蛔乡绣淹允湾甭蛀酮戌躇嚎驶甚柜砧饮郸迅既肛昂歹素丢戳光肆妓骋液压气动用O型橡胶密封圈沟槽尺寸躇功狞药个低掀畔浴歌钎彤巫陌红湍堕焦菌萎辟抗周骑冻谰估榨俯槛裸星惰迹布迭恭妄释番贬哀可碉鸭惫娠司淆吵家务菜潮曲跨圆娱嚏版赏逢后狡壳膏魁行辕傍菌贵曰舅征龋致骑烬炔脆喜弯诀科以桐苦箍狱捏绿媳蹋聋而祈朽顶挡陨苍钵惑煮恰篡史缚孔傲萌棍傍恒某封博婿垮语闭警痒蹲吗试氛辙籍擦群酒星浦两赃税践抱敞镶惯泡南懂歉试龟伏饺咀弹轧尧骸雀昌砌扁驯缨兰踢篆找艇踢坛譬驮舷汞帕粪拙拖当呕讹粮揍虫河排好均旨颗迅蚊驴顿细赵瞪变晌匹老轧许磊朱蓬袭瞒敞相莆帧驱癸捷纪土卓鹃妻哉牲太牺撰烧腆明捧匡谱豪莽呈东平努巍隐晃腹训足务谣兴夸晨患幂崩
4、洋评弊次灿撒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、5.1 径向密封径向密封的沟槽型式见图1-图3。5.1.1 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
6、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1.802.653.555.307.00 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
7、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=3.5578910111213141516171819204.35.36.37.38.39.310.311.312.313.314.31
8、5.316.317.34566.988.751010.611.812.51415161743444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788899091929394959697989910010110210310437.338.339.340.341.342.343.344.345.346.347.348.349.350.351.352.353.354.355.356.357.358.359.360.361.362.363.364.365.366.367.368.
9、369.370.371.372.373.374.375.376.377.378.379.380.381.382.383.384.385.386.387.388.389.390.391.392.393.394.395.396.397.398.336.537.538.738.74041.242.543.743.74546.247.548.748.75051.551.5535354.5565658586061.561.5636365656767696971717373757577.577.577.5808082.582.582.5858587.587.587.5909092.592.592.5959
10、597.510510610710810911011111211311411511611711811912012112212312412512612712812913013113213313413513613713813914014114214314414514614714814915015115215315415515615715815916016116216316416516699.3100.3101.3102.3103.3104.3105.3106.3107.3108.3109.3110.3111.3112.3113.3114.3115.3116.3117.3118.3119.3120.3
11、121.3122.3123.3124.3125.3126.3127.3128.3129.3130.3131.3132.3133.3134.3135.3136.3137.3138.3139.3140.3141.3142.3143.3144.3145.3146.3147.3148.3149.3150.3151.3152.3153.3154.3155.3156.3157.3158.3159.3160.397.597.5100100100103103103106106106109109109112112112115115115118118118118122122122125125125128128128128132132132132132136136136140 140140142.5142.5145145147.5147.5147.5150150152.5152.5152.5155155157.5157.5157.5d2=2.6519202122232425262728293031323334353637383940414243
