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苒邦密封件意甲下注 > o型圈 > O形密封圈和密封圈槽的选配及应用
  • 产品名称:意甲下注 O形密封圈和密封圈槽的选配及应用

  • 产品类型: o型圈

  • 产品型号:

  • 发布时间: 2019-09-08


产品描述

O形密封圈和密封圈槽尺寸的合理匹配是延长密封圈无泄漏密封寿命的必要保证。据此提出一种选配两者尺寸的理论计算方法,并以Y341—148注水封隔器所选密封圈的计算为例说明,根据不同的密封圈可以计算出相应的密封圈槽尺寸。为保证密封圈长期有效地工作,还必须合理选择其压缩率、拉伸量和孔、轴配合精度等相关参数。选取压缩率时,应考虑有足够的密封面接触压力、尽量小的摩擦力和避免密封圈的永久性变形。顾及到一般试制车间的加工水平和井下工具主要是静密封的状况,建议密封面的轴、孔配合应优先选用H8/e8。


  YONGOXINGMIFENGQUAN(YIXIAJIANCHENGMIFENGQUAN)MIFENGSHIZUICHANGYONGDEYIZHONGMIFENGFANGSHI,RANERZHIGUANZHONGYAODESHIRUHEZHENGQUEDIXUANZEMIFENGQUANHESHEJIMIFENGQUANCAOCHICUN。CHANGGUIDEFANGFASHIJIANGMIFENGQUANTAOZAIBAOTASHANGYONGYOUBIAOKACHICELIANGWAIJING,ZAIQUEDINGQIXIANGYINGCHICUN。ZHEIZHONGFANGFADEBIDUANSHI:(1)MIFENGQUANSHIDANXINGTI,WAIJINGCELIANGBUZHUNQUE;(2)ZAISHEJIXINGONGJUSHI,WANGWANGMEIYOUXIANCHENGDEMIFENGQUAN,NANYIQUEDINGCHICUN,QIGUOYINGLIANGWANGWANGZHANGWOBUZHUN。GUOYINGLIANGTAIDASHIMIFENGQUANYIBEIJIANQIESUNHUAI,TAIXIAOSHIYOURONGYISHIFENG。ZHENDUIZHEIZHONGZHUANGKUANG,BIZHETICHUYIZHONGXUANPEIMIFENGQUANDELILUNJISUANFANGFA(ZHIWAIMIFENGQUAN),YIGONGCANKAO、TAOLUN。


MIFENGQUANDEMIFENGJILI[1]


意甲下注  MIFENGQUANMIFENGSHUYUJIYADANXINGTIMIFENG,SHIKAOMIFENGHUANYUXIANBEIJIYAYOUDANXINGBIANXINGCHANSHENGYUJINLI,TONGSHIGONGZUOJIEZHIYALIYEJIYAMIFENGHUAN,SHIZHICHANSHENGZIJINLI。YEJIUSHISHUO,JIYADANXINGTIMIFENGSHUYUZIJINSHIMIFENG。


  MIFENGQUANZAIJIEZHIYALIp1ZUOYONGXIA,QISHOULIZHUANGKUANGRUTU1SUOSHI,CHANSHENGDEJIECHUYALIWEI


pc=pco+Δpc    (1)


意甲下注SHIZHONG pc——JIEZHIYALIXIADEZONGJIECHUYALI,MPa;


意甲下注 pco——MIFENGQUANCHUSHIYALI,CHENGZHIWEIYUJIECHUYALI,MPa;


意甲下注   Δpc——JIEZHIYALIJINGMIFENGQUANCHUANDIJIJIECHUMIANDEJIECHUYALI,CHENGWEIJIEZHIZUOYONGJIECHUYALI,Δpc=κp1,MPa,QIZHONGκWEICEYAXISHU,κ=υ/(1-υ),DUIYUXIANGJIAOMIFENGJIANκ≈0.9~0.985;υWEIMIFENGQUANCAILIAODEBOSONGBI,DUIYUXIANGJIAOMIFENGJIAN,υ=0.48~0.496。


 


 


TU1 MIFENGQUANJIECHUYALIFENBU


意甲下注  YAOBAOCHIMIFENG,BIXUBAOZHENGpc>p1,ERΔpcYONGYUANXIAOYUp1,GUYINGBAOCHIZUGOUDEYUJIECHUYALIpco,JIMIFENGQUANYAOYOUZUGOUDEYUYASUOLV,CAINENGBAOZHENGMIFENG。DANRUGUOYUYASUOLVTAIDA,YOUHUIYINGXIANGMIFENGQUANDEGONGZUOSHOUMING,YINCIMIFENGQUANHEMIFENGQUANCAOCHICUNDEHELIPIPEISHIYANZHANGMIFENGQUANWUXIELOUMIFENGSHOUMINGDEBIYAOBAOZHENG。


意甲下注MIFENGQUANJIMIFENGQUANCAODEXUANPEIFANGFA


NEIMIFENGQUANDEXUANPEIBIJIAOJIANDAN,BUZAIZHUISHU,ZHEILIZHIJIESHAOYIZHONGWAIMIFENGQUANDEXUANPEIFANGFA。


意甲下注  JIADINGKONG、ZHOUZHIJINGFENBIEWEID、d,SUOXUANMIFENGQUANWEID0×d0,WENTISHIRUHEQUEDINGMIFENGQUANCAODEDIJINGD1,RUTU2SUOSHI。


TU2 MIFENGQUANJIMIFENGQUANCAOCHICUN


  MIFENGQUANBEITAOZAIMIFENGQUANCAOSHANGZHIHOU,YIBANDOUYOUYIDINGDELASHENLIANG,QIDUANMIANZHIJINGd0BIANXIAOLE,JIADINGBIANWEId1,GENJUTIJIBUBIANYUANLI,ZEMIFENGQUANANZHUANGQIANHOUDETIJIXIANGDENG,JI


     (2)


意甲下注SHIZHONG D0——MIFENGQUANWAIJING,mm;


意甲下注   d0——MIFENGQUANDUANMIANZHIJING,mm;


   D——KONGZHIJING,mm;


   δ——MIFENGQUANGUOYINGLIANG,mm;


   d1——LASHENHOUDEMIFENGQUANDUANMIANZHIJING,mm。


  SHI(2)ZHONG,δZHIKEGENJUDZHICONGBIAO1ZHONGXUANQU,D0、d0WEIYIZHIZHI,ZEKEJISUANCHUd1。WEILEJIANHUAJISUAN,YONGD+δ-d0DAITID+δ-d1JISUAN,ZESHI(2)KEJIANHUAWEI


    (3)


JIANHUAHOUJISUANCHUDEd1ZHIYOUYIDINGDEWUCHA,JIANGd1ZAIHUIGUIDAOSHI(3)ZHONGJISUAN,QIUCHUd2,JI


    (4)


SHIZHONG d2——LASHENHOUDEMIFENGQUANDUANMIANZHIJING,mm。


  RUCILEITUI,KEJISUANCHUd3、d4……,YIBANLAISHUO,d2ZHIJIUYIDADAOYAOQIU,ZEMIFENGQUANCAODIJINGD1WEI


  D1=D+δ-2d2                 (5)


  XIANJULISHUOMINGYISHANGJISUAN,RUY341—148ZHUSHUIFENGGEQIHUOSAIKONG、ZHOUCHICUNWEI136H9/d9(KONGWEI136 +0.10mm),SUOXUANMIFENGQUANWEI135mm×5mm,GUOYINGLIANGδXUANWEI1.3mm,ZEBIANXINGHOUDEMIFENGQUANDUANMIANZHIJINGWEI


      


      


  QUd2=4.96mm,ZE


D1=D+δ-2d2=127.38mm


  JIEHEKONGJING PEISHANGGONGCHAHOU,ZECAODIJINGD1WEI 。


  JIADINGMEIYOU135mm×5mmDEMIFENGQUAN,ZHIYOU132mm×5mmDEMIFENGQUAN,ZEMIFENGQUANCAODIJINGKEYONGTONGYANGFANGFASUANDE,JIPEISHANGGONGCHAHOUD1WEI 。


  YOUYISHANGJISUANKEZHI,GENJUBUTONGDEMIFENGQUAN,KEYIJISUANCHUBUTONGDEMIFENGQUANCAOCHICUN,KEJIANZHEIZHONGFANGFABIJIAOJIANDAN、LINGHUO。DANSHIWEIBAOZHENGMIFENGZHANGQIYOUXIAODIGONGZUO,HAIBIXUHELIXUANZEQIYASUOLV、LASHENLIANGHEKONGZHOUPEIHEJINGDUDENGXIANGGUANCANSHU。


XIANGGUANCANSHUDEQUEDINGYUYINGYONG


  1.YASUOLVεHUOGUOYINGLIANGδ


  MIFENGQUANSHIDIANXINGDEJIYAXINGMIFENG。RUTU3SUOSHI,QIYASUOLVεTONGCHANGYOUXIASHIBIAOSHI


      


SHIZHONG h0——MIFENGQUANCAODIZHIBEIMIFENGMIANDEJULI,mm。


TU3 MIFENGQUANYASUOLV


意甲下注  DUIYUYUANZHUMIANJINGMIFENGHEWANGFUDONGMIFENG,ε=10%~15%;DUIYUPINGMIANJINGMIFENG,ε=15%~30%;XUANZHUANDONGMIFENGε=3%~8%;DIMOCAMIFENGε=5%~8%。


  XUANQUMIFENGQUANYASUOLVSHIZHUYAOYINGKAOLVDEYINSU,YISHIYAOYOUZUGOUDEMIFENGMIANJIECHUYALI;ERSHIMOCALIYINGJINLIANGXIAO;SANSHIYINGJINLIANGBIMIANYONGJIUXINGBIANXING。


  YUYASUOLVεXIANGDUIYINGDESHIGUOYINGLIANGδ,GUOYINGLIANGδBIAOSHIMIFENGQUANDEYUYASUOQINGKUANG,QITUIJIANZHIJIANBIAO1。


        BIAO1 JIBENCHICUNYUGUOYINGLIANGGUANXITUIJIANZHI    mm


KONGZHIJINGDCHICUNFANWEI


GUOYINGLIANGδ


DONGMIFENG


JINGMIFENG


<30


0.25~0.33


0.3~0.4


30~50


0.35~0.50


0.4~0.6


50~80


0.50~0.70


0.6~0.8


80~120


0.70~1.00


0.8~1.2


>120


1.00~1.40


1.2~1.6

意甲下注ZHU:JINGXIAGONGJUYONGMIFENGQUANDUOWEIJINGMIFENG,δZHIYINGCONGJINGMIFENGLANZHONGXUANQU。

  2.LASHENLIANG

  MIFENGQUANZHUANGRUMIFENGQUANCAOHOU,YIBANDOUHUIYOUYIDINGDELASHENLIANG。DANJUSUOCHAYUEDEZILIAOKEZHI,SHANGWEIDUILASHENLIANGYOUMINGQUEDEDINGYI。GENJUBIZHEDELIJIE,LASHENLIANGYINGSHILASHENHOUDEMIFENGQUANZHONGJINGYUZIRANZHUANGTAISHIDEZHONGJINGZHIBI,JI

意甲下注a=(D1+d2)/(D0-d0)         (6)

意甲下注SHIZHONG a——MIFENGQUANDELASHENLIANG,mm。

  aDETONGCHANGTUIJIANZHIWEI1.01~1.05。BIZHEYIBANQUZHIWEI1.05,TESHUQINGKUANGXIA,SHENZHIQUWEI1.1。WEILEBAOZHENGMIFENGQUANZHUANGRUMIFENGQUANCAOHOUBUZHITAISONG,aZHIQUDESHAODA。

  3.MIFENGQUANCAODEKUANDUYUXINGZHUANG

  YIBANTUIJIANDEMIFENGQUANCAOCHICUNJIANBIAO2,QIXINGZHUANGRUTU4SUOSHI。CAOKUANDAZHIWEIMIFENGQUANDUANMIANZHIJINGDE1.3BEI,ERPINGSHISHEJIZHONGWANGWANGSHIMIFENGQUANCAOKUANDUYUMIFENGQUANDUANMIANZHIJINGXIANGDENG,HUOZHEBULUNMIFENGQUANDUANMIANZHIJINGDUODA,MIFENGQUANBICAOKUAN0.5mm。CAIYONGZHEIZHONGCHICUNSHEJIDEBIDUANSHI:(1)YONGQIZIHUOTIEQIANQIAOMIFENGQUANSHI,RONGYISUNHUAIMIFENGQUANCAO,YOUQISHINEIMIFENGQUANCAO,ZHEIJIANGJIANGDIQINAIYACHANENGLI;(2)KONG、ZHOUXIANGTAOSHI,YOUYUMIFENGQUANYOUYUGUOYINGLIANG,CAOTAIZHAIYIJIANQIEMIFENGQUAN。YINCI,JINHOUZAISHEJIMIFENGQUANCAOKUANSHIYINGGUIFANCHICUN。ZAIJIAGONGrWEI0.1~0.2HERWEI0.2~0.5DEYUANHUSHI,YAOTEBIEZHUYIrCHU,RUGUOTAIJIAN,ZAICHENGSHOUGAOYASHIYISUNHUAIMIFENGQUAN,XUYONGSHABUJIANGQISHAOSHAODADUN。

BIAO2 MIFENGQUANCAODECHICUN[1]mm


MIFENGQUANDUANMIANZHIJINGd0


  CAOKUANB


R


r


1.9


  2.5


0.2


0.1


2.4


3.2


0.2


0.1


3.1


4.0


0.3


0.1


3.5


4.5


0.3


0.1


4.6


6.1


0.4


0.2


5.7


7.5


0.4


0.2


8.6


11.0


0.5


0.2

意甲下注TU4 MIFENGQUANCAODEBIAOZHUNXINGZHUANG

  4.ZHOUKONGPEIHEGONGCHA

意甲下注  ZAICHENGSHOUDAYU16MPaYISHANGYACHASHI,KONG、ZHOUPEIHEYIBANTUIJIANWEIH8/f8HUOH8/f7,ZAICHENGSHOUGAOYAQINGKUANGXIA,HAIYAOANZHUANGMIFENGDANGHUAN[1]。ERJINGXIAGONGJUGONGZUOYALIYIBANCHAOGUO16MPa,SUOYONGKONG、ZHOUPEIHECHANGCHANGCAIYONGH9/d9、H10/d10、H10/c10,SHENZHIH11/c11,YIFANGMIANJINGDUDENGJIJIAODI,LINGYIFANGMIANZHOU、KONGJIANXITAIDA。ZHEIJIUYAOQIUMIFENGQUANDEGUOYINGLIANGYEYAODA。RUY241—150SUANHUAYALIEFENGGEQIDEZHOU、KONGPEIHECAIYONGH8/e8,Y341—148DUSHUIFENGGEQICAIYONGH9/d9,ZHOU、KONGJIBENCHICUNXIANGTONGDESUANHUAYALIEFENGGEQIMIFENGQUANDEGUOYINGLIANGBIDUSHUIFENGGEQIDEXIAO,MIFENGXIAOGUOJIUHAO。

意甲下注  XIANGTONGJINGDUDENGJIZHOU、KONGDEPEIHEJIANXIBUTONG,QISHOULIZHUANGKUANGSHIYOUQUBIEDE,RUH10/c10DEZHOU、KONGJIANXIBIH10/d10DA,MIFENGQUANZAIXIANGTONGYALIp1ZUOYONGXIA,QISHOUJIANQIELIDEMIANJIDA,ZEZONGZUOYONGLIJIUDA,MIFENGQUANSUNHUAIDEKENENGXINGJIADA,DANRUGUOZHOU、KONGJIANXIGUOXIAO,ZEZHOU、KONGDETONGZHOUDUYAOQIUGENGGAO,JIAGONGNANDUZENGDA。

意甲下注  RUGUOPIANMIANZHUIQIUGAOJINGDU,SHIBIZENGJIAJIAGONGNANDUHECHENGBEN。KAOLVDAOSHIZHICHEJIANDEJIAGONGSHUIPINGJIJINGXIAGONGJUDESHIJIGONGZUOZHUANGKUANG(ZHUYAOSHIJINGMIFENG),BIZHEJIANYIMIFENGQUANMIFENGMIANDEZHOU、KONGPEIHEYINGYOUXIANXUANYONGH8/e8,ZAISHIYONGYAOQIUBUGAODEQINGKUANGXIA,YEKEXUANYONGH9/e9。

  5.XIANGJIAOYINGDU

意甲下注  ZAIGONGZUOYALI8~16MPaFANWEINEI,XIANGJIAOTUIJIANYINGDUWEI70~80HS;16~32MPaFANWEINEI,TUIJIANYINGDUWEI80~90HS。YINGJIAQIANGMIFENGQUANJINHUOZHILIANGJIANYAN。


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