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浸滲技術在發動機制造中的應用

來源:未知 佚名 2018-12-14 瀏覽
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金巴黎彩票   DUILVGANGTIYILEIQINGZHICAILIAODELINGJIANJINXINGJINSHENCHULI,KEYOUXIAOJIANSHAOGONGJIANFEIPINLV,SHIQIZHILIANGDEDAOMINGXIANTISHENG,BINGQIEZAIQUEBAOCHANPINZHILIANGDEQIANTIXIA,YOUXIAOJIANGDIZHIZAOCHENGBEN,TIGAOSHENGCHANXIAOLV。

金巴黎彩票   FADONGJIQINGLIANGHUAJIJINSHENCHULIDETICHU

  QINGLIANGHUAYICHENGWEIDANGDAIQICHEYEJIEDEYIZHONGQUSHI,ZHEZHUYAOSHIYOUSHIJIEFANWEINEIDUIHUANBAOHEJIENENGDEGUANZHUSUOJUEDINGDE。ZILIAOBIAOMING,QICHEZIZHONGRUOJIANQING10%,QIRANYOUXIAOLVJIKETIGAO15%。ERRANYOUXIAOLVDETIGAO,YIWEIZHUQICHEDEHAOYOULIANGHEPAIWULIANGJIANGDI。YINCI,JIANQINGQICHEZIZHONG,SHITIGAOQICHEDEJIENENGXINGHEHUANBAOXINGZUIYOUXIAODEBANFA。FADONGJIZUOWEIQICHEZUIWEIGUANJIANDEDAZONGCHENG,JIANGDITADEZHONGLIANGDUIJIANGDIQICHEZIZHONGZHIGUANZHONGYAO。

  從技術角度講,實現輕量化有多種途經,如整機結構優化、附件的模塊和輕量化等,但是采用塑料、鋁合金和鎂合金一類輕質材料替代鑄鐵等傳統材料則是當前降低發動機重量的主要方式。事實上,鋁合金廣泛用于發動機氣缸蓋、進氣歧管,以及水泵殼、機油泵殼等較小零件已有多年,而企業采用鋁合金氣缸體的情況近十年來也越來越多。不過相比鑄鐵,鋁鑄件金巴黎彩票在鑄造過程中,由于晶體形成、收縮和氣體吸收的原因,更容易產生內部疏松、縮孔及氣孔等缺陷,這些含有缺陷的鑄件在經過機加工后,表面致密層區域被去掉,從而使內部的組織缺陷暴露出來。對于上述那些在發動機中有密封性要求的鋁鑄件,在經過生產線上的泄漏檢測工序時,會因為缺陷微孔的存在導致滲漏過大而產生廢品,有時甚至是批量的。由于這些情況都是在經歷了多道機加工后才能被發現,因此還將造成工時、原材料和能源的嚴重浪費。由此可見,為了解決鋁鑄件廢品率高的問題,生產中要采取一定的處理措施,目前使用最普遍的技術是浸滲處理,即堵漏。所謂“浸滲”,就是在一定條件下把浸滲劑滲透到鋁鑄件的微孔隙中,經過固化后使滲入孔隙中的填料與鑄件孔隙內壁連成一體,堵住微孔,使零件能滿足加壓、防滲及防漏等使用要求的一種工藝技術。

金巴黎彩票   ZHENKONGJIAYAJINSHENGONGYI

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  JINSHENCHULISHIJIANGJINGQIANCHULIDEGONGJIANZHUANGRUJINSHENGUANMIFENGCHOUZHENKONG,YICHONGFENPAICHUGUANNEIJIZHUJIANKONGXICHUDEKONGQIHEWEICHEN,WEIJINSHENJIDETIANCHONGHESHENTOUCHUANGZAOYACHADONGLITIAOJIAN。RANHOU,LIYONGGUANNEIFUYAXIRUJINSHENJI,ZAICICHOUZHENKONG。DIERCICHOUZHENKONGDEMUDEZAIYU,PAICHUGUANNEIJINSHENYEZHONGDEQITI,FANGZHIRONGYOUQITIDEJINSHENYESHENRUZHUJIANWEIKONGQUEXIANZHONGQU,YIBIMIANGUHUASHIQIKONGDECHANSHENGYINGXIANGMIFENGXINGNENG。ZUIHOUJIAYA,SHIYICHONGTIANHESHENRUZHUJIANKONGXINEIBUDEJINSHENJIJINYIBUXIANGQUEXIANGEGEBUWEIZUISHENCHUSHENTOU。JINSHENJISHIYOUWUJIHUOYOUJIWUPEIZHIERCHENGDEYETAIWUZHI,MUQIANYINGYONGJIAODUODEJIAJIBINGXISUANYANPC504/66MIFENGJIZAIJIARETIAOJIANXIAJINXINGGUHUA,ZAIJUHESHIYIQIDISHOUSUOLVTIGONGTUCHUDEWEIKONGTIANCHONGNENGLI,YUCITONGSHI,QIDIZHANDUBANGZHUMIFENGJIKUAISUERSHENRUDISHENTOUDAOWEIKONGNEIBU。GUHUAHOUDEMIFENGJIZAI-50~200 ℃DEFANWEINEIDOUNENGZHENGCHANGFAHUIXIAONENG。

金巴黎彩票   HOUCHULISHIJIANGGONGJIANDIGAN、QINGXIBINGFANGRENGUHUALUZHONGGUHUA,SHIJINRUZHUJIANKONGXIDEJINSHENJIYOUYETAIXIANGGUTAIZHUANBIAN,XINGCHENGJIANSHIDEGUHUAMO。GUHUAWENDUYIBANSHEDINGWEI80~90 ℃,HUOZAISHIWEN(25 ℃YISHANG)XIAFANGZHI24 h。RUZHUJIANZAI300 ℃YISHANGTIAOJIANSHIYONG,YIXIANZAI80 ℃WENDUXIAGUHUA2 h,JIEZHUZAI110 ℃WENDUXIAJIXUGUHUA1 h。TU1SHIZHENKONGJIAYAJINSHENGONGYIDELIUCHENGSHIYITU。

  

 

  TU1 ZHENKONGJIAYAJINSHENGONGYILIUCHENG

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金巴黎彩票   DUIYUDUOSHULINGJIAN,YIBANBINGBUYAOQIUTAMENZAIZHUJIANZHUANGTAISHIJIUQUANBUJINXINGJINSHENCHULI,ERSHICAIQUZAISHENGCHANGUOCHENGDEMOUDAOGONGXUZHIHOU,GENJUSHIJIQINGKUANGZAIZHIXINGJINSHENGONGYIDEFANGAN。YEJIUSHIDANGJINGGUORUOGANDAOJIJIAGONGGONGXUHOUDELINGJIANBEIZHENGSHIQIMOUXIEBUWEIDEXIELOUJIANCEZHIJIEYUGUIDINGQUJIANSHI,JIUZHIDUIZHEBUFENTICHUDEGONGJIANJINXINGJINSHEN。DADUOSHUQINGKUANGXIABEITICHUGONGJIANDEBILISHIHENDIDE(DAZHIZAI1%~2%),DANDANGZHEYIBILICHAOGUOMOUGEJIEXIANSHI(SHIJUTIQINGKUANGERDING),ZHUJICHANGJIANGHUIYAOQIUMAOPICHANGBIXUDUIZHUJIANQUANBUJINXINGJINSHENCHULI。

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  ZHIXINGJINSHENCHULIGONGJIANDEDUOZHONGJIEDING

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金巴黎彩票   DUIGONGJIANERYAN,SUOSHEDINGDEZHENBIEJIEXIANGONGYOULIANGXIANG:DIYIXIANGSHIBEIJIANBUWEIDEXIELOULV,YIDIYAYOUDAOWEILI,QIXIELOULVJIEXIANWEI30 CC/min;DIERXIANGZHENBIEJIEXIANSHIYIZHEGEBEIJIANBUWEIWEIDUIXIANG,PANBIEGAILVGANGTISUIRANCUNZAIXIELOU,DANSHIFOUYOUTONGGUOJINSHENCHULIJINXINGBUJIUDEKENENGHEBIYAO。RENGYIDIYAYOUDAOWEILI,BIAOZHICHULEQIWEI500 CC/min。JIANYUCI,DANGJINGGUOZHONGJIANQINGXIGONGXUHOUDELVGANGTI,YANSHUSONGGUNDAOJINRUMIFENGCESHIGONGWEI,RUOCEDEDEGAIGONGJIANSANXIANGXIELOUZHIZHONGYOURENYIXIANGDIYUBIAOGEICHUDEDUIYINGZHENBIEJIEXIAN、JIXIELOULV,ZEJIANGBEIPANWEIHEGE,ZHIHOULIURUXIADAOGONGXU。DANZHIYAOCUNZAISHIJICEDEDEXIELOUZHIZHONGRENYIYIXIANGCHAOGUOQIXIELOULV,DANYOUXIAOYUBAOFEIJIEXIANDEQINGKUANG,YIBIAOZHONGDEDIYAYOUDAOWEILI,GAIFANWEIJIEYU30~500CC/minZHIJIAN,CISHIDELVGANGTIJIZUOWEIXUYAOQUCHUJINXINGJINSHENCHULIDEGONGJIANLAIDUIDAI,YOUGUNDAOFANXIANGSONGCHU,ZAIYOURENGONGQUXIASONGZOU。ZHIYUJISHAOSHUCEDEDEXIELOUZHIYIDADAOSHENZHIDAYUBIAOZHONGBAOFEIJIEXIANDEGONGJIAN,JIANGJINGYOUSHUSONGGUNDAOLIUCHU。SHANGSHUJIANCE、ZHENBIEJIFENLIUDEGUOCHENG,SHIJIEZHUMIFENGCESHIGONGWEILIDEJIQIRENLAIZHIXINGWANCHENGDE。

金巴黎彩票   ZONGSHANGSUOSHU,LVGANGTIYILEILINGJIANZAIJINGGUOJINSHENCHULIHOU,BUJINJIANSHAOLEFEIPINLV,SHIQIZHILIANGDEDAOMINGXIANTISHENG,ERQIEJIANGDILEZAIQUEBAOZHILIANGQIANTIXIADEZHIZAOCHENGBEN,BINGYOUXIAOTIGAOLESHENGCHANLV。YINCI,ZAIDANGDAIQICHEFADONGJIYEJIERIYIQUXIANGQINGLIANGHUAFANGXIANGFAZHANDEGUOCHENGZHONG,KEXUE、HELIDIYUNYONGJINSHENJISHUSHICHEDIJIEJUELVHEJINDENGQINGZHICAILIAOZHUJIANNEIZAIWENTI(RUWEIKONGDENGQUEXIAN)DEYIZHONGZUIJIAFANGAN。

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