NACHI不(bu)二(er)越(yue)齒輪泵供(gong)油量(liang)不(bu)足(zu)或(huo)無(wú)(wu)油壓的現(xiàn)(xian)象分(fen)析(xi)NACHI不(bu)二(er)越(yue)齒輪泵在(zai)使用(yong)時(shí)(shi),常(chang)發(fā)(fa)生(sheng)供油不(bu)足(zu),或(huo)者(zhe)無(wú)油壓的現(xiàn)(xian)象。我們對(duì)(dui)這(zhe)個(gè)(ge)故(gu)障做(zuo)如下分(fen)析(xi),以方(fang)便齒輪油泵(beng)的故障檢查和(he)維修(xiu)?,F(xiàn)(xian)象:(1)工作(zuo)裝(zhuang)置提(ti)升緩(huan)慢,提升時(shí)(shi)發(fā)(fa)抖或(huo)不(bu)能(neng)提升;(2)油箱(xiang)或(huo)油管(guan)內(nèi)有氣(qi)泡;(3)提升時(shí)(shi)液(ye)壓系統(tǒng)發(fā)(fa)出(chu)“唧、唧”聲音(yin);(4)拖(tuo)拉(la)機(jī)(ji)剛啟動(dòng)(dong)時(shí)(shi)工(gong)作(zuo)裝(zhuang)置能(neng)提升,工作(zuo)壹(yi)段時(shí)(shi)間(jian)油溫(wen)升高(gao)後(hou),則(ze)提升緩(huan)慢或(huo)不(bu)能(neng)提升;(5)輕(qing)負(fù)(fu)荷(he)時(shí)(shi)能(neng)提升,重負(fù)(fu)荷(he)時(shí)(shi)不(bu)能(neng)提升。NACHI不(bu)二(er)越(yue)齒輪泵故(gu)障原因:9)“左(zuo)旋”裝(zhuang)“右旋”油泵(beng),造成沖壞骨(gu)架油封(feng);(10)
詳細(xì)>>RS20-0800M2M2SDAEHC赫(he)斯曼交換機(jī)(ji)技術(shù)(shu)參(can)數(shù)(shu)rs20-0800m2m2sdaehc是(shi)符(fu)合ieee802.3標(biāo)(biao)準(zhǔn)(zhun)的快(kuai)速以太(tai)網(wǎng)交換機(jī)(ji),壹體(ti)化(hua),可網(wǎng)管,卡(ka)軌安(an)裝(zhuang),存(cun)儲(chǔ)(chu)轉(zhuǎn)發(fā)交換模式,無(wú)(wu)風(fēng)扇(shan)設(shè)計(jì)(ji),二層(ceng)交換增(zeng)強(qiáng)(qiang)版軟件(jian),端口(kou):8xfe產(chǎn)(chan)品(pin)描(miao)述(shu)端口(kou)類(lei)型和數(shù)(shu)量(liang)端(duan)口(kou)總數(shù)(shu):8;1.上(shang)聯(lián)(lian)端口(kou):100base-fx,mm-sc;2.上(shang)聯(lián)(lian)端口(kou):100base-fx,mm-sc,2x標(biāo)(biao)準(zhǔn)(zhun)10/100basetx,rj45電源要(yao)求(qiu)24vdc時(shí)(shi)消(xiao)耗電流(liu)48vdc時(shí)(shi)消(xiao)耗電流(liu)功耗btu(it)h321ma161ma26
詳細(xì)>>BURKERT變(bian)送(song)器技術(shù)(shu)參(can)數(shù)(shu)BURKERT變(bian)送(song)器均不(bu)具上述(shu)優(yōu)點(diǎn)即(ji)將被(bei)兩線(xian)制(zhi)變(bian)送(song)器所取代(dai),從國(guó)(guo)外(wai)的行業(yè)(ye)動(dòng)(dong)態(tài)及變(bian)送(song)器芯(xin)片供(gong)求(qiu)量(liang)即(ji)可略知壹(yi)斑(ban),流(liu)量(liang)變(bian)送(song)器在使用(yong)時(shí)(shi)要(yao)安(an)裝(zhuang)在現(xiàn)(xian)場(chǎng)設(shè)備(bei)的動(dòng)(dong)力線(xian)上,而(er)以(yi)單(dan)片(pian)機(jī)(ji)為核(he)心的監(jiān)測(cè)(ce)系統(tǒng)則(ze)位於(yu)較遠(yuǎn)(yuan)離設(shè)備(bei)現(xiàn)(xian)場(chǎng)的監(jiān)控(kong)室裏(li),兩(liang)者(zhe)壹(yi)般相(xiang)距幾十(shi)到(dao)幾(ji)百(bai)米甚(shen)至更遠(yuǎn)。設(shè)備(bei)現(xiàn)(xian)場(chǎng)的環(huán)境較為(wei)惡劣(lie),強(qiáng)電信(xin)號(hào)(hao)會(huì)(hui)產(chǎn)(chan)生(sheng)各(ge)種電(dian)磁幹?jǐn)_,雷電(dian)感(gan)應(yīng)會(huì)(hui)產(chǎn)(chan)生(sheng)強(qiáng)浪(lang)湧(yong)脈沖(chong),在這(zhe)種(zhong)情(qing)況(kuang)下(xia),單(dan)片(pian)機(jī)(ji)應(yīng)用(yong)系統(tǒng)中(zhong)遇到的壹個(gè)(ge)棘手(shou)問(wèn)題就(jiu)是(shi)如何在惡劣(lie)環(huán)境下遠(yuǎn)(yuan)距離可靠地(di)傳(chuan)送(song)微小信號(hào)(hao)。兩(liang)線(xian)制(zhi)變(bian)送(song)器件(jian)的出現(xiàn)(xian)使這(zhe)個(gè)(ge)問(wèn)(wen)題(ti)得(de)到了較好(hao)地(di)解決。我們以
詳(xiang)細(xì)(xi)>>CKD喜(xi)開(kāi)(kai)理(li)氣(qi)動(dòng)(dong)元件(jian)常見(jiàn)(jian)故(gu)障及(ji)解決辦法CKD喜(xi)開(kāi)(kai)理(li)氣(qi)動(dòng)(dong)元件(jian)(氣(qi)缸(gang))故(gu)障由於(yu)氣(qi)缸(gang)裝(zhuang)配(pei)不(bu)當(dāng)(dang)和長(zhǎng)(chang)期使用(yong),氣(qi)動(dòng)(dong)執(zhí)行元件(jian)(氣(qi)缸(gang))易(yi)發(fā)(fa)生(sheng)內(nèi)、外(wai)泄漏,輸(shu)出(chu)力不(bu)足(zu)和(he)動(dòng)(dong)作(zuo)不(bu)平(ping)穩(wěn)(wen),緩(huan)沖(chong)效果(guo)不(bu)良(liang),活塞(sai)桿和(he)缸(gang)蓋損壞等(deng)故障現(xiàn)(xian)象。(1)氣(qi)缸(gang)出(chu)現(xiàn)(xian)內(nèi)、外(wai)泄漏,壹(yi)般(ban)是(shi)因活塞(sai)桿安(an)裝偏心,潤(rùn)(run)滑(hua)油供(gong)應(yīng)不(bu)足(zu),密封(feng)圈(quan)和(he)密封(feng)環(huán)磨損或(huo)損壞,氣(qi)缸(gang)內(nèi)有雜質(zhì)及(ji)活塞(sai)桿有(you)傷痕(hen)等造成的。所以(yi),當(dāng)(dang)氣(qi)缸(gang)出(chu)現(xiàn)(xian)內(nèi)、外(wai)泄漏時(shí)(shi),應(yīng)重(zhong)新調(diào)(tiao)整活塞(sai)桿的中(zhong)心,以保(bao)證(zheng)活塞(sai)桿與(yu)缸(gang)筒(tong)的同軸度(du);須(xu)經(jīng)(jing)常(chang)檢查油霧(wu)器(qi)工作(zuo)是(shi)否可靠,以保(bao)證(zheng)執(zhí)行元件(jian)潤(rùn)(run)滑(hua)良好(hao);當(dāng)(dang)密封(feng)圈(quan)和(he)密封(feng)環(huán)出現(xiàn)(xian)磨損或(huo)損環(huán)時(shí)(shi),
詳(xiang)細(xì)(xi)>>德(de)國(guó)(guo)GSR電磁閥工作(zuo)原理(li)德(de)國(guó)(guo)GSR電磁閥裏(li)有(you)密閉(bi)的腔,在(zai)不(bu)同位置開(kāi)(kai)有通(tong)孔,每個(gè)(ge)孔都通(tong)向不(bu)同電磁閥的油管(guan),腔(qiang)中(zhong)間(jian)是(shi)閥,兩面(mian)是(shi)兩塊電(dian)磁鐵,哪面的磁鐵線(xian)圈(quan)通(tong)電(dian)閥體(ti)就(jiu)會(huì)(hui)被吸(xi)引(yin)到(dao)哪邊,通(tong)過(guò)(guo)控制(zhi)閥(fa)體(ti)的移動(dòng)(dong)來(lái)(lai)擋住(zhu)或(huo)漏(lou)出不(bu)同的排油的孔,而(er)進(jìn)(jin)油孔是(shi)常開(kāi)的,液壓油就(jiu)會(huì)(hui)進(jìn)(jin)入不(bu)同的排油管(guan),然(ran)後(hou)通(tong)過(guò)(guo)油的壓力來(lái)(lai)推動(dòng)(dong)油缸(gang)的活塞(sai),活塞(sai)又帶動(dòng)(dong)活塞(sai)桿,活塞(sai)桿帶(dai)動(dòng)(dong)機(jī)(ji)械裝(zhuang)置動(dòng)(dong)。這(zhe)樣(yang)通(tong)過(guò)(guo)控制(zhi)電(dian)磁鐵的電流(liu)通(tong)斷(duan)就(jiu)控(kong)制(zhi)了機(jī)(ji)械運(yùn)(yun)動(dòng)(dong)。德國(guó)(guo)GSR電磁閥是(shi)用來(lái)(lai)控制(zhi)流(liu)體的自動(dòng)(dong)化(hua)基(ji)礎(chǔ)(chu)元件(jian),屬(shu)於(yu)執(zhí)(zhi)行器;並(bing)不(bu)限(xian)於液(ye)壓,氣(qi)動(dòng)(dong)。用於控(kong)制(zhi)液(ye)壓流(liu)動(dòng)(dong)方(fang)向,工(gong)廠的機(jī)(ji)械裝(zhuang)
詳(xiang)細(xì)>>ATOS溢流(liu)閥故(gu)障產(chǎn)(chan)生(sheng)原因與(yu)解決方(fang)法ATOS溢流(liu)閥故(gu)障產(chǎn)(chan)生(sheng)原因與(yu)解決方(fang)法噪聲和振(zhen)動(dòng)(dong)液壓裝置中(zhong)容易(yi)產(chǎn)(chan)生(sheng)噪聲的元件(jian)壹般(ban)認(rèn)(ren)為是(shi)泵和閥(fa),閥中(zhong)又以溢(yi)流(liu)閥和(he)電磁換向閥(fa)等為主(zhu)。產(chǎn)(chan)生(sheng)噪聲的因素很多(duo)。溢(yi)流(liu)閥的噪聲有流(liu)速聲和機(jī)(ji)械聲二種(zhong)。流(liu)速聲中(zhong)主(zhu)要(yao)由油液(ye)振(zhen)動(dòng)(dong)、空(kong)穴以(yi)及液壓沖擊(ji)等(deng)原因產(chǎn)(chan)生(sheng)的噪聲。機(jī)(ji)械聲中(zhong)主(zhu)要(yao)由閥(fa)中(zhong)零件(jian)的撞擊和磨擦等原因產(chǎn)(chan)生(sheng)的噪聲。:趙春(chun)慧手(shou)機(jī)(ji)Mobil:傳真(zhen):工(gong)作(zuo):電(dian)子郵(you)件(jian):(1)壓力不(bu)均勻引(yin)起(qi)的噪聲先導(dǎo)(dao)型溢流(liu)閥的導(dǎo)閥(fa)部分(fen)是(shi)壹個(gè)易(yi)振部位如圖3所示(shi)。在(zai)高(gao)壓情(qing)況(kuang)下(xia)溢(yi)流(liu)時(shí)(shi),導(dǎo)(dao)閥(fa)的軸向開(kāi)(kai)口(kou)很(hen)小,僅0.003~
詳(xiang)細(xì)(xi)>>德國(guó)(guo)西(xi)德福STAUFF球(qiu)閥(fa)的優(yōu)缺點(diǎn)及(ji)故(gu)障解決德國(guó)(guo)西(xi)德福STAUFF球(qiu)閥(fa)它(ta)具有旋轉(zhuǎn)(zhuan)90度的動(dòng)(dong)作(zuo),旋塞(sai)體為球(qiu)體(ti),有(you)圓(yuan)形通(tong)孔或(huo)通(tong)道通(tong)過(guò)(guo)其軸(zhou)線(xian)。球(qiu)閥(fa)在(zai)管路中(zhong)主(zhu)要(yao)用(yong)來(lái)(lai)做(zuo)切斷、分(fen)配(pei)和(he)改(gai)變(bian)介質(zhì)的流(liu)動(dòng)(dong)方(fang)向,它(ta)只(zhi)需要(yao)用(yong)旋轉(zhuǎn)(zhuan)90度的操(cao)作(zuo)和(he)很小的轉(zhuǎn)動(dòng)(dong)力矩就(jiu)能(neng)關(guān)閉(bi)嚴(yán)(yan)密。球(qiu)閥(fa)zui適(shi)宜(yi)做(zuo)開(kāi)關(guān)、切(qie)斷閥使用(yong),但近來(lái)(lai)的發(fā)展已(yi)將球(qiu)閥(fa)設(shè)計(jì)(ji)成使它(ta)具有節(jié)(jie)流(liu)和控(kong)制(zhi)流(liu)量(liang)之(zhi)用,如V型球(qiu)閥(fa)。德(de)國(guó)(guo)西(xi)德福STAUFF球(qiu)閥(fa)的主(zhu)要(yao)特點(diǎn)(dian)是(shi)本身結(jié)構(gòu)緊(jin)湊(cou),密封(feng)可靠,結(jié)構(gòu)簡(jiǎn)(jian)單,維修(xiu)方(fang)便,密封(feng)面與球(qiu)面(mian)常(chang)在閉(bi)合(he)狀態(tài),不(bu)易(yi)被(bei)介質(zhì)沖(chong)蝕,易(yi)於(yu)操(cao)作(zuo)和(he)維修(xiu),適(shi)用(yong)於水(shui)、溶(rong)劑(ji)
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