O型密封圈设计

1、0形圈O-RINGORo形密封结构设计适用于硏发事业群及省力自动化设备设计参考仁密圭寸原理压缩密封是将密封圈裳在密封沟槽中并形成适当的预压缩就，借助于材料的反弹力压紧密封面而起密封作用的。2设计在气动中便用的0形橡胶密封團尺寸系列及公差一般按国家标笊GB3452-1液压气动用橡胶密封圈尺寸系列及公差标准选用.0形橡胶密封膨通布采用矩形沟槽密封,如图I01所示.1）0形圈压缩秋计算7doaV77777777,p=x100%=-2100%dd0式中一0形圈的相对压缩址：/0形圈惭面的绝对压缩量：一沟槽深度：心t形隔面直径。加junjtom.cc-01形密封结构相对压缩畫的大小,元件型出沖笄和寿命。

2、一般地说.不论是的密玄或动密封.仕保证密封妁舸屋下相理戏翻喲9足k气动密封设计中推学的o形圈相对压缩疑值。表1P20形圈相对压缩甲断面直径时朋密均（圜柱或平面）动密刊（往寞或eH）1.2士00610306151.80.0810256122.65=0.0910225103.55士0.1010201朋5.30士0131018477.00.1510-15462）0形圈内径伸长率的计算（参见图1-01）(1-02)式中一0形囿的内径伸长寨：0形圏安装沟椿底径：0形圈的实际内径。0形圏便用时.内径一般处于拉伸狀态.其伸长奉为脇左右.其推荐值见表1-03。OR0形圈CORING表卜030形圈装配时的伸长率

3、断面卫径(mm)内徨伸长率傀)断面J1径(!0皿)内径伸长率(切1.20.0634355土0.103.56.51.80.0834.55.300.133.5702.6510.093.5-6.07.00+0.153.5-7.53)确定沟槽宽度b沟倍宽度太窄.易引起严乖庭形圈断面直径的郴1曲损坏。因此.通當选取倍宽b为04)确定沟槽深度fin-392992901槽深绘o槻庆绫純总的关键性尺寸它主要取决于0形陶的相对压缩星：。沟槽深度可按戎1-04选取。211A562.553.305o7522.4X64g6.309沟禮深度/05-aa85n832.52378484cd081461442343.1o55

4、66.封密90.3o272.o445农1-040形匮安装沟槽深度(mm)=0.102mm.槽底圆角斥0形圈5)槽棱和槽底圆角尺寸购确定槽核外圆角厂是为防止0形圈裟配狀刮伤而腐0的&的损坏.一般取/?o.ygyanjunjtom3材料QQ：392992901在气动装置中用作勞封屜橡胶密封囲琵经疏化处理的合成橡胶.衣1-05列为常用的橡胶密封材料.以及它们的特性和应用范围农1P5常用的橡胶密封材料名称特性适用范围丁册橡胶(NBR)机械强度、弹性、闹肆性较好.物别是耐油性好广泛用于i般的液压和气压密封不适于在阳光和紫外光的照射下工作氯丁橡胶(CR)耐磨性、耐风化性和耐油性很好.但在苯肢点低的矿物油中

5、易泡胀特别适用于阳光照射下的气动装宜，爸折性好.最适合予作隔膜式密封材料.陡橡胶(MPIJQMOQ)耐热、耐寒性能特好机械强度低耐磨性、抗扯裂性差.在某些油中耐油性差适用于制作髙温、低温高球旋转的密封圈.龙其适于岛速旋转的油羽及食品工业用密封材料聚丙烯橡胶(ACM)耐热性好.但耐磨性差适用于高屈装国的密封材料但机械强度较低.不宜用于运动条件严酷的场合。忒橡胶(FPM)耐热性、耐油性、耐药品性都很好用途甚广广泛用于険液压和气动设為适用于其空设备。聚氨酯橡胶(AU)(EIJ)机械强度高.耐磨性好-高网油性。但耐水性、耐热性及耐髙速性差适用于制作往复运动鞘V形、Y形等胖形圈0形圈O-RINGOR2雪

6、00內is靜童対guNBR:30至+110ftCFPM：-20至+220ACEPDM:-45至+150C:-48至十20CTCL3/4靜態密封動態密封壓力bar橡耀邵氏礦度70A|80A|90A最大擠出間隙g(mm)S600.20.250.360-1000.10.20.25100-1600.050.10.2160-2500.050.1250-3500.05幺300.20.250.330-6010.170.260-800,10J580-1000.1拉杆式安裝L1ModelX=1.7849X=242.62X=3.1X=3.53.53X=533-57X=6.998.4活塞式安裝平而内壓安裝平而外壓安

7、裝*0,2500CH00050-0.060D1+0.050+0.060L2ModelX/.78J.9X=242.62*0.250_002000.0506OD2*0.050+0.060L3S0.05+0.250XJ.78/.9X=24-262L4S蔭0.4rO400080-0.100-0.100-0.10+0.080+0.100+0.100+0.100_X=3J_X=3.53.53X=5.33-57X二6.998.400000.08OJOOJO0.10十0.080t0.100*0.100+0.100X=3.1X=3.53.53X=5335.7X=6.998.4r0.7rQ.BrO.8FST20.

8、059250Ra0.05Ra005RaS008RaW0.08Ra30/I0RaZo.12汝本安裝圖的的據按JIS公制尺寸系統-再劃分成靜密封及動密封四部份可直接採用下列金屬密封槽尺寸。o形圈O-RINGORJIS尺寸系統靜密封型號規格內徑靜密封安裝外徑靜密封安裝平面式内壓安裝平面式处壓安裝ModelIDX0d10D1L10d20D2L20d30D3L30d40D4L4P32.81.9362.5362.51.26.21.4381.4P43.81.9472.5472.52.27.21.4491.4P54.81.9582.5582.53.28.21.45101.4P65.81.9692.5692.5

9、4.29.21.46111.4P76.81.97102.57102.55.210.21.47121.4P87.81.98112.58112.56.211.21.48131.4P98.81.99122.59122.57.212.21.49141.4P109.81.910132.510132.58.213.21.410151.4P10A9.82.410143.210143.27.6141.81016.41.8P1110.82.411153.211153.28.6151.81117.41.8P11.2112.411.215.23.211.215.23.28.815.21.811.217.61.8P1

10、211.82.412163.212163.29.61.8121841.8P12.512.32.412.516.53.212.516.53.21WC1.812.518.91.8P1413.82.414183.214%hH181.81420.41.8P1514.82.415193.215神3.212.6191.81521.41.8P1615.82.416203.2r珂3.213.6201.81622.41.8P1817.82.418；C18鈕03.215.6221.81824.41.8P2019.82.420!3.217.6241.82026.41.8P2120.82.421切253.218.62

11、51.82127.41.8P22A21.73.52214.722284.718.6282.72231.42.7P2221.82.422.428.43.222.428.43.219.6261.822.428.81.8P22.422.13.522284.722284.718.6282.72231.42.7P2423.73.524304.724304.720.6302.72433.42.7G2524.43.125304.125304.121.8302.42533.22.4P2524.73.525314.725314.721.6312.72534.42.7P25.525.23.525.531.54.7

12、25531.54.722.131.52.725.534.92.7P2625.73.526324.726324.722.6322.72635.42.7P2827.73.528344.728344.724.6342.72837.42.7P2928.73.529354.729354.725.6352.72938.42.7P29.529.23.529.535.54.729.535.54.726.135.52.729.538.92.7G3029.43.130354.130354.126.8352.43038.22.4P3029.73.530364.730364.726.6362.73039.42.7P3

13、130.73.531374.731374.727.6372.73140.42.7P31.531.23.531.537.54.731.537.54.72&137.52.731.540.92.7P3231.73.532384.732384.728.6382.73241.42.7P3433.73.534404.734404.730.6402.73443.42.7G3534.43.135404.135404.131.8402.43543.22.4P3534.73.535414.735414.731.6412.73544.42.7P35.535.23.535.541.54.735541.54.732.1

14、41.52.735.544.92.7P3635.73.536424.736424.732.6422.73645.42.7P3837.73.538444.738444.734.6442.73847.42.7P3938.73.539454.739454.735.6452.73948.427G4039.43.140454.140454.136.8452.4404&22.4P4039.73.540464.740464.736.6462.7404942.7P4140.73.541474741474.737.6472.74150.42.7P4241.73.542484.742484.738.6482.74

15、251.427P4443.73.544504.744504.740.6502.74453.42.7G4544.43.145504.145504.141.8502.44553.22.4P4544.73.545514.745514.741.6512.74554.42.7P4645.73.546524.746524.742.6522.74655.42.7P48A47.65.748587.548587.543584.648634.6P4847.73.548544.748544.744.6542.74857.42.7o形圈O-RINGORJIS尺寸系統靜密封型號規格內徑靜密封安裝外徑靜密封安裝平面式內壓

16、安裝平面式处壓安裝ModelIDX0d10D1L10d20D2L20d30D3L30d40D4L4P4948.73.549554.749554.745.6552.74958.42.7G5049.43.150554.150554.146.8552.45058.22.4P50A49.65.750607.550607.545604.650654.6P5049.73.550564.750564.746.6562.75059.42.7P5251.65.752627.552627.547624.652674.6P5352.65.753637.553637.548634.653684.6G5554.43.1

17、55604.155604.151.8602.45563.22.4P5554.65.755657.555657.550654.655704.6P5655.65.756667.556667.551664.656714.6P5857.65.758687.558687.553684.658734.6G605943.160654.160654.156.8652.46068.22.4P6059.65.760707.560707.555704.660754.6P6261.65.762727.562727.557724.662774.6P6362.65.763737.563737.558734.663784.

18、6G6564.43.165704165704.161.870246573.22.4P6564.65.765757.565757.560754.665804.6P6766.65.767777.567777.562774.667824.6G7069.43.170754.170754.1752.47078.22.4P7069.65.770807.570804|804.670854.6P7170.65.771817.5诫u叫566814.671864.6G7574.43.175804J804.171.8802.47583.22.4P7574.65.7757.570854.675904.6G8079.4

19、3.1qq?854.176.8852.48088.22.4P8079.65.78090nlO907.575904.680954.6G8584.43.185。力85904.181.8902.48593.22.4P8584.65.785弋7.585957.580954.6851004.6G9089.43.190954.190954.186.8952.49098.22.4P9089.65.7901007.5901007.5851004.6901054.6G9594.43.1951004.1951004.191.81002.495103.22.4P9594.65.7951057.5951057.590

20、1054.6951104.6G10099.43.11001054.11001054.196.81052.4100108.22.4P10099.65.71001107.51001107.5951104.61001154.6P102101.65.71021127.51021127.5971124.61021174.6G105104.43.11051104.11051104.1101.81102.4105113.22.4P105104.65.71051157.51051157.51001154.61051204.6G110109.43.11101154.11101154.1106.81152.411

21、0118.22.4P110109.65.71101207.51101207.5105120461101254.6P112111.65.71121227.51121227.51071224.61121274.6G115114.43.11151204.11151204J111.81202.4115123.22.4P115114.65.71151257.51151257.51101254.61151304.6G120119.43.11201254.11201254.1116.81252.4120128.22.4P120119.65.71201307.51201307.51151304.6120135

22、4.6G125124.43.11251304.11251304.1121.81302.4125133.22.4P125124.65.71251357.51251357.51201354.61251404.6G130129.43.11301354.11301354.1126.81352.4130138.22.4P130129.65.71301407.51301407.51251404.61301454.6P132131.65.7132他7.51321427.51271424.61321474.6G135134.43.11351404.11351404.1131.81402.4135143.22.

23、4P135134.65.71351457.51351457.51301454.61351504.6G140139.43.11401454.11401454.1136.81452.4140148.22.4P140139.65.71401507.51401507.51351504.61401554.6G145144.43.11451504.11451504.1141.81502.4145153.22.4o形圈O-RINGORJIS尺寸系統靜密封型號規格內徑靜密封安裝外徑靜密封安裝平面式內壓安裝平面式处壓安裝ModelIDX0d10D1L10d20D2L20d30D3L30d40D4L4P14514

24、4.65.714&：15S7.51451557.51401554.61451604.6G150149.35.71501607.51501607.51451604.61501654.6P150A149.58.415016511150165111431656.91501726.9P150149.65.71501607.51501607.51451604.61501654.6G155154.35.71551657.51551657.51501654.61551704.6P155154.58.415517011155170111481706.91551776.9G160159.35.71601707.

25、51601707.51551704.61601754.6P160159.58.416017511160175111531756.91601826.9G165164.3571651757.51651757.51601754.61651804.6P165164.58.416518011165180111581806.91651876.9G170169.35.71701807.51701807.51651804.61701854.6P170169.58.417018511170185111631856.91701926.9G175174.35.71751857.51751857.5仃01854.61

26、751904.6P175174.58.417519011175190111681906.91751976.9G180179.3571801907.51801907.51904.61801954.6P180179.58.418019511180195rtV1956.91802026.9G185184.35.71851957.5185WWT1801954.61852004.6P185184.58.4185200肿111782006.91852076.9G190189.35.719020Q、J1907.51852004.61902054.6P190189.58.4辭1Lc111832056.9190

27、2126.9G195194.35.7揃205r2057.51902054.61952104.6P195194.58.4195(肝195210111882106.91952仃6.9G200199.35.7200埸07.52002107.51952104.62002154.6P200199.58.420021511200215111932156.92002226.9P205204.58.420522011205220111982206.92052276.9P209208.58.420922411209224112022246.92092316.9G210209.35.72102207.521022

28、07.52052204.62102254.6P210209.58.421022511210225112032256.92102326.9P215214.58.421523011215230112082306.92152376.9G220219.35.72202307.52202307.52152304.62202354.6P220219.58.422023511220235112132356.92202426.9P225224.58.422524011225240112182406.92252476.9G230229.35.72302407.52302407.52252404.62302454

29、.6P230229.58.423024511230245112232456.92302526.9P235234.58.423525011235250112282506.92352576.9G240239.3572402507.52402507.52352504.62402554.6P240239.58.424025511240255112332556.92402626.9P245244.58.424526011245260112382606.92452676.9G250249.35.72502607.52502607.52452604.62502654.6P250249.58.42502651

30、1250265112432656.92502726.9P255254.58.425527011255270112482706.92552776.9G260259.35.72602707.52602707.52552704.62602754.6P260259.58.426027511260275112532756.92602826.9P265264.58.426528011265280112582806.92652876.9G270269.35.7270,807.52702807.52652804.62702854.6P270269.58.427028511270285112632856.927

31、02926.9P275274.58.427529011275290112682906.92752976.9G280279.35.72802907.52802907.52752904.62802954.6P280279.58.428029511280295112732956.92803026.9P285284.58.428530011285300112783006.92853076.9G290289.35.72903007.52903007.52853004.62903054.6P290289.58.429030511290305112833056.92903126.9o形圈O-RINGORJI

32、S尺寸系統靜密封型號規格內徑靜密封安裝外徑靜密封安裝平面式內壓安裝平面式处壓安裝ModelIDX0d10D1L10d20D2L20d30D3L30d40D4L4P295294.58.429531011295310112883106.92953176.9G300299.35T300310753003107.52953104.63003154.6P300299.58.430031511300315112933156.93003226.9P315314.58.431533011315330113083306.93153376.9P320319.58.432033511320335113133356.

33、93203426.9P335334.58.433535011335350113283506.93353576.9P340339.58.434035511340355113333556.93403626.9P355354.58.435537011355370113483706.93553776.9P360359.58.436037511360375113533756.93603826.9P375374.58.437539011375390113683906.93753976.9P385384.58.438540011385400113784006.93854076.9P400399.58.440

34、041511400415113934156.94004226.9P405404.58.440542011405420113984206.94054276.9o形圈O-RINGORJis尺寸系統動密封型號規格氣動液壓拉杆式安裝活塞式安裝拉杆式安裝活塞式安裝ModelIDX0d50D5L50d60D6L60d50D5L50d60D6L6P32.81.936.52.42.562.436.22.42.862.4P43.81.947.52.43.572.447.22.43.872.4P54.81.958.52.44.582.458.22.44.882.4P65.81.969.52.45.592.469.

35、22.45.892.4P76.81.9710.52.46.5102.4710.22.46.8102.4P87.81.9811.52.47.5112.4811.22.47.8112.4P98.81.9912.52.48.5122.4912.22.48.8122.4P10981.91013.52.49.5132.41013.2249.8132.4P10A9.82.41014.32.99.7142.91014.22.99.8142.9P1110.82.41115.32.910.7152.91115.22.910.8152.9P11.2112.411.215.52.910.915.22.911.215

36、.42.91115.22.9P1211.82.41216.32.911.7162.91216.22.911.8162.9P12.512.32.412.516.82.912.216.52.912.516.72.912.316.52.9P1413.82.41418.32.913.7182.91418.22.913.8182.9P1514.82.41519.32.914.7192.9&kl9.22.914.8192.9P1615.82.41620.32.915.720.22.915.8202.9P1817.82.41822.32.92吃1822.22.917.8222.9P2019.82.92024

37、.22.919.8242.9P2120.8L2.92125.22.920.8252.9P2221.82.922.426.62.924.228.42.9G2524.43.125Fqq-rj303.72530.43.724.6303.7G3029.43.1303.729.3353.73035.43.729.6353.7G3534.43.1354073.734.3403.73540.43.734.6403.7G4039.43.1404573.739.3453.74045.43.739.6453.7G4544.43.14550.73.744.3503.74550.43.744.6503.7G5049.

38、43.15055.73.749.3553.75055.43.749.6553.7G5554.43.15560.73.754.3603.75560.43754.6603.7G6059.43.16065.73.759.3653.76065.43.759.6653.7G6564.43.16570.73.764.3703.76570.43.764.6703.7G7069.43.17075.73.769.3753.77075.43.769.6753.7G7574.43.17580.73.774.3803.77580.43.774.6803.7G8079.43.18085.73.779.3853.7808

39、5.43.779.6853.7G85844318590.73.784.3903.78590.43784.6903.7G9089.43.19095.73.789.3953.79095.43.789.6953.7G9594.43.195100.73.794.31003.795100.43.794.61003.7G10099.43.1100105.73.799.31053.7100105.43.799.61053.7G105104.43.1105110.73.7104.31103.7105110.43.7104.61103.7G110109.43.1110115.73.7109.31153.7110

40、115.43.7109.61153.7G115114.43.1115120.73.7114.31203.7115120.43.7114.61203.7G120119.43.1120125.73.7119.31253.7120125.43.7119.61253.7G125124.43.1125130.73.7124.31303.7125130.43.7124.61303.7G130129.43.1130135.73.7129.31353.7130135.43.712961353.7G135134.43.1135140.73.7134.31403.7135140.43.7134.61403.7G1

41、40139.43.1140145.73.7139.31453.7140145.43.7439614537G145144.43.1145150.73.7144.31503.7145150.43.744461503.7P22A21.73.5222854.221.5284.22228.24.221.8284.2P22.422.13.52228.54.221.5284.22228.24.221.8284.2P2423.73.52430.54.223.5304.22430.24.223.8304.2P2524.73.52531.54.224.5314.22531.24.224.8314.2P25.525.23.525.5324.22531.54.225.531.74.225.331.54.2o形圈O-RING型號規格ModelP26P28P29P29.5P30P31P31.5P32P34P35P35.5P36P38P39P40P41P42P44P45ID25727.728729?229730.73lT31733734.735235737.73873974074t743744.7X153.5153?53.531353?53.53353.515