JBZQ 4224-2006 O形橡胶密封圈

免费标准下载网w.feebz.net)jB/ZQ 4224- -2006O形橡胶密封圈代替JBZ2Q 4224- -19971规格尺寸o形橡胶密封圈的尺寸和公差应符合图1和表1的规定。to表1mm公称外径「 公称内径 断面直径实际内径公称外径公称内径新面直径实际内径.do公差Ddd:1.754544.5士0.202.75049.5.75554.54.7635857.51.9+0.08+0.12659.506.762.51B7064.528.7_7069.513上109.77574.5 t0.40(14)10.7879.51485_84.510.695_989.5K1211.610093.1 +0.10 |94.51813.610599.5191514.6110104.52.4 t0.09+0.132015.6 _115109.52217.6120114.52419.625119.52120.6130125| 124.52621.6135C 129.5282322.5140134.5]土0.503024.5145139.5322726. S150144.5353.1+0.10 29.5 +0.20155L 149.53731.5160L 154.534.5165159.51S4039.522 3.5+0.1 21.6 T +0.20免费标准下载网(w.feebz.ne)JB/ZQ 4224- -2006表1{继)mr公称外径公称内径 断面 直径实际内径公称外径公称内径断而直径ddoDd”ded公差二302423.685175174.3312524.6 .190180179.3322625.695185[84.334827.6200189.3352928.6194.336_29.6210_ 199.3 上0.8031.6220209.3033.6230220 5.710.14 219.3541240[ 29.34263.5+0.11_ 35.6 土0.20250I 239.3 J437.6260249.345938.6270259.3464039.6280[ 269.3+1.018_ 41.6290[ 279.350_ 43.6300289.3511544.6170155154.1487516159.1554948.6165L 164.15649.6169.1(50)39.4174.1(55)44.4179.149.4184.135352.4205189.154.4195194.1士0.80 .70215199.162.4204.164.4土0.40225209.169.4214.174.4235_220219.19079.4 .224.184.4245229.11001089.4_235 ] 8.610.16 234.1255239.11105.7+0.14 99.4[ 244.1]115105104.4265249.1120109.4275259.1125_ 114.4264.1130119.4274.1135124.4295279.1140129.4 士0.5028_ 284.1134.4 .305289. I+1.00150139.4315299.3145144.4320304.3149.4330314.3 ]L 154.3335319.3160159.3350334.3164.3355340. 339.3169.3360345L 344.3免费标准下载网w.feebz.net)JB/ZQ 4224- -2006衰1(鳙)mm公称外径T公称内径断面直径_di实际内径I公称外径 公称内径断面直径Dd公差_DdodT 公370355354.3415400399.3 +1.00375360359.3420405404.33803658.6+0.16364.3+1.00450435435.3464.3 +1.20390374.3480465395379.3500485484.3385384.3注:O形密封婴所用橡胶材料,应按照《O形圈橡胶材料》(HG/T 2579)选取。20形橡胶密封圈用挡圈型式与尺寸2.1 挡圈工作压力70MPo对运动用密封,当工作压力p< 10MPa时，-般不设挡圈[图2(a)];p≥L0MPa时,可在0形密封圈承压面置挡圈,当0形密封圈单向受压时,在承压面置一个挡圈[图2(b)],双向受压时置两个挡圈[图2(c)]。对固定用密封,当p≤32MPa时,一般不设挡圈;p> 32MPa时,可在承压面置挡圈。挡圈材料为聚四氟乙烯、尼龙6、尼龙1010 ,硬度HS≥90度。压力方向a)(b}e}围22.2挡圈型式与尺寸见图 3和表2。本o;d2A型:切口式B型:整体式圈3表2O形密封圈挡圈公称外径断面直径外径内径厚度公称外智断闻直径厚度D2 公差d公差1D2|公差|dz公差T96+0.141.25士_ 1001.90.1110.14➊| 0.112免费标准下载网w.feebz.net)JB/ZQ 4224- -2006表2(续)0形楷封圈挡圈O形密封圈当圈公称外径断面直径外径内径厚度公称外径断面直径厚度dD2| 公羞 d2| 公差TDdoD2|公差dz|公差165165」155 ]235[ 235220170160124022565，245230180250185185 ]17525590190]180 |260195185 |26520。 200190275_20205 I280280 .2105.7[ 210200 ]2士2900.1210 I295220 ]300l 300285230 ]30530S253153202702700[260]+0.25330330 0.315 +0. 25|2.5t280 -0.25 270 (3358.6335 -0.25 [ 320 ] 0 0.15290 |350355155360175 I160370803758S170 .3803653903952.5土2004003850.150520541541S420405215450435220 .4804655004853标记示例公称外径D = 25mm,断面直径do=2.4mm的0形橡胶密封圜:0形密封圈25X2.4 JB/ZQ 4224- -2006挡圈外径D2 = 20mm,挡圈内径dz = 16mm的A型切口式挡圈:挡圈A20x16 JB/ZQ 4224- 2006附录A(规范性附录) 0 形密封圈用沟椭型式与尺寸A.1往复螺旋和旋转运动的沟槽型式尺寸参照图A.1、图A.2和表A.1的规定。免费标准下载网(w.reebz.net)JB/ZQ 4224- -2006B\w/圈A.1往复运动團A.2螺旋运动90*5N 90*090*合上司IIB出pa10MPa,单向受压时在注:1 D、d 为O形巒封圈公称外径、内径。2 D1 为O形密封圈沟相外径,D1=d + 2H ,图中未注明的公差取H9。3 d为0形巒封圈沟槽内径,d = D-2H,图中未注明的公差取h9。表A.1mm往复与螺旋运动旋转运动0形密封團沟槽宽度R同轴度断面直径doHBB极限偏差HIB|E≤1.91.5 2.5 3.8| 5.2+0.10 | 1.7 2.1+0.100.20.1 0.05+0.152.42| 3.2 4.5 5.9+0.15| 2.2| 2.6 |0.1 | 0.053.12.5| 4.0| 5.6| 7.2+0.15 | 2.9| 3.5 I0.30.10.073.5+0.15| 3.3| 3.9 |5.7+ 0.205.46.4 |+0.200.413.6 16.33.2 9.60.50.2 0.12 ._注:旋转运动的沟槽 H、B也适用于气工往复运动。免费标准下载网w.feebz.net)JB/ZQ 4224- -2006A.2固定用沟槽型式尺寸参 照图A.3~图A.9和表A.2的规定。dDR90°°663圈A.3y83工T40”明韵RX團A.46.36.3/\R圈A.5632圈A.6免费标准下载网w.feebz.net)JB/ZQ 4224- -2006D(竖或譽)D(翌吸管)m_Rk8 30小(F9)圈A.7图A.8图A.9裹A.2mmO形密封圈断面直径doH1.92.5+8.101.4-8.052.6+8*1.6-0.0 .0.20.122.43.2*8.51.8-8.053.2+812.0-8.053.14 +8.52.4-8.054.2822.8_8.0s0.33.54.5*8.152.7-8.s4.7*8.253.08.055.77.548.104.5-8.a57.6*8.35.0-8.as0.48.611*g:206.9-8.1011.5+8+7.5-8.100.5A.3装卸 O形密封圈金属件端部尺寸参照图A. 10和表A.3的规定。寝A.3mr0形密封圈斯面直径doK(最小)0.9115301.0.5131.团A. 10A.4 0形密封圈破坏的重要原因之一是在工作压力作用下被挤入间隙C/内,此间隔的允许值与工作压力.0形密封圈橡胶硬度及其断面直径do大小有关，推荐孔与轴的配合间隙按表A.4选取。p-0her- p>0免费标准下载网w.feebz.net)JB/ZQ 4224- -2006表A.4橡胶邵氏硬度hs60-7070~8080~900形圈断面直径do,tcom1.9 3.15.72.43.58.62.4 3.5工作压力,MP.间腺C,mm0-2.5<0.17<0.25<0.20>2.5~8<0.11<0.15<0.18<0.23>8~16<0.08<0.13>16~31.5一<0.07<0.09注:推荐孔与轴配合问隙C值为最大允许值，仅供设计参考。