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分析日本SMC液壓油缸的拆裝過程有以下12點

更新時間:2019-05-10 點擊量:1455

(1)拆卸(xie)液(ye)壓(ya)(ya)(ya)(ya)油缸之前,應使液(ye)壓(ya)(ya)(ya)(ya)回(hui)路(lu)(lu)卸(xie)壓(ya)(ya)(ya)(ya)。不(bu)然,當(dang)把與油缸相(xiang)聯接油管接頭擰松時,回(hui)路(lu)(lu)中的(de)高壓(ya)(ya)(ya)(ya)油就會快速噴出(chu)。液(ye)壓(ya)(ya)(ya)(ya)回(hui)路(lu)(lu)卸(xie)壓(ya)(ya)(ya)(ya)時應先擰松溢流閥等處的(de)手輪或(huo)調壓(ya)(ya)(ya)(ya)螺釘,使壓(ya)(ya)(ya)(ya)力(li)油卸(xie)荷,而后割(ge)斷(duan)電源或(huo)割(ge)斷(duan)動力(li)源,使液(ye)壓(ya)(ya)(ya)(ya)裝置停止運(yun)行(xing)。

(2)拆卸時應(ying)預(yu)防損傷(shang)活塞(sai)桿頂端螺(luo)紋、油口螺(luo)紋和(he)活塞(sai)桿表面、缸套內(nei)壁等。為了預(yu)防活塞(sai)桿等修長(chang)件彎曲或變形(xing),安放時使(shi)用墊木支承平衡。

(3)拆(chai)卸(xie)時(shi)要按(an)順(shun)次進行(xing)(xing)。由(you)于各(ge)種液(ye)壓缸結構和大小不盡(jin)相同,拆(chai)卸(xie)順(shun)次也稍有差異。通常應放掉油缸兩腔(qiang)的油液(ye),而后拆(chai)卸(xie)缸蓋(gai),對照后拆(chai)卸(xie)活(huo)塞與活(huo)塞桿。在拆(chai)卸(xie)液(ye)壓缸的缸蓋(gai)時(shi),關(guan)于內卡(ka)鍵式(shi)聯接的卡(ka)鍵或卡(ka)環要運(yun)用(yong)(yong)器材,阻止(zhi)運(yun)用(yong)(yong)扁鏟;關(guan)于法蘭式(shi)端蓋(gai)一定用(yong)(yong)螺釘頂(ding)出(chu),不應許(xu)錘擊(ji)或硬撬。在活(huo)塞和活(huo)塞桿難(nan)以抽出(chu)時(shi),不可強行(xing)(xing)打出(chu),應先查明緣故再(zai)進行(xing)(xing)拆(chai)卸(xie)。

(4)卸卸前后要設(she)法創作條件預防液(ye)壓缸的(de)零件被(bei)周圍的(de)塵埃和雜質(zhi)污(wu)染。例(li)如,拆卸時(shi)應盡管在(zai)干(gan)凈的(de)環境下(xia)進行;拆卸后全部零件要用塑(su)料布(bu)蓋(gai)好(hao),不(bu)要用棉(mian)布(bu)或其余(yu)工(gong)作用布(bu)掩蓋(gai)。

(5)油缸拆卸后(hou)要用心檢驗(yan),以肯(ken)定哪些零件(jian)不(bu)妨(fang)繼續運用,哪些零件(jian)不(bu)妨(fang)修(xiu)繕后(hou)再用,哪些零件(jian)一定調換。

(6)配備前一定對各零件仔細洗(xi)刷。

(7)要(yao)(yao)(yao)安裝(zhuang)(zhuang)(zhuang)各(ge)處的(de)(de)密(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)裝(zhuang)(zhuang)(zhuang)置(zhi)。①安裝(zhuang)(zhuang)(zhuang)o形(xing)(xing)圈(quan)(quan)(quan)時,不(bu)(bu)要(yao)(yao)(yao)將其(qi)拉到永(yong)恒變(bian)形(xing)(xing)的(de)(de)水準,也(ye)不(bu)(bu)要(yao)(yao)(yao)邊(bian)翻滾著邊(bian)套裝(zhuang)(zhuang)(zhuang),不(bu)(bu)然可(ke)能因(yin)造成(cheng)歪曲(qu)狀而(er)漏(lou)油(you)(you)。②安裝(zhuang)(zhuang)(zhuang)y形(xing)(xing)和(he)v形(xing)(xing)密(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)圈(quan)(quan)(quan)時,要(yao)(yao)(yao)關注(zhu)其(qi)安裝(zhuang)(zhuang)(zhuang)目標,預防因(yin)裝(zhuang)(zhuang)(zhuang)反而(er)漏(lou)油(you)(you)。對(dui)y形(xing)(xing)密(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)圈(quan)(quan)(quan)而(er)言(yan),其(qi)唇邊(bian)應(ying)付著有壓(ya)(ya)力的(de)(de)油(you)(you)腔;其(qi)余,yx形(xing)(xing)密(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)圈(quan)(quan)(quan)還(huan)要(yao)(yao)(yao)關注(zhu)區別是(shi)軸(zhou)用(yong)(yong)仍然孔用(yong)(yong),不(bu)(bu)要(yao)(yao)(yao)裝(zhuang)(zhuang)(zhuang)錯。v形(xing)(xing)密(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)圈(quan)(quan)(quan)由形(xing)(xing)式差異的(de)(de)支承環(huan)(huan)、密(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)環(huan)(huan)和(he)壓(ya)(ya)環(huan)(huan)構(gou)成(cheng),當壓(ya)(ya)環(huan)(huan)壓(ya)(ya)密(mi)(mi)(mi)(mi)(mi)(mi)切封(feng)(feng)(feng)(feng)環(huan)(huan)時,支承環(huan)(huan)可(ke)使(shi)密(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)環(huan)(huan)發生為形(xing)(xing)而(er)起密(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)作用(yong)(yong),安裝(zhuang)(zhuang)(zhuang)時應(ying)將密(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)環(huan)(huan)的(de)(de)開口面向壓(ya)(ya)力油(you)(you)腔;調節壓(ya)(ya)環(huan)(huan)時,應(ying)以不(bu)(bu)漏(lou)油(you)(you)為限,不(bu)(bu)可(ke)壓(ya)(ya)得過(guo)緊,以防密(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)阻力過(guo)大。③密(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)裝(zhuang)(zhuang)(zhuang)置(zhi)如(ru)與滑(hua)動表面配合,配備時應(ying)涂以適量的(de)(de)液壓(ya)(ya)油(you)(you)。④拆卸后的(de)(de)o形(xing)(xing)密(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)圈(quan)(quan)(quan)和(he)防塵圈(quan)(quan)(quan)應(ying)全(quan)部換(huan)新。

(8)螺紋聯接件擰緊(jin)時應運用扳手,扭力矩應符(fu)合準則要(yao)求。

(9)活塞(sai)(sai)與活塞(sai)(sai)桿配備后(hou),須設法丈量其同軸(zhou)度和在(zai)全長上(shang)的(de)直線度是否(fou)超差。

(10)配(pei)備完成后(hou)活(huo)塞組件移動時(shi)應(ying)*感和(he)阻力大小(xiao)不(bu)勻(yun)等現象。

(11)液壓(ya)缸向主機(ji)上安裝時,出入油(you)口接頭之間一(yi)定加(jia)上密封圈并緊固(gu)好(hao),以防漏油(you)。

(12)按(an)要求(qiu)配備好后,應(ying)在(zai)低(di)壓(ya)狀況(kuang)下進(jin)行幾次往復(fu)活動,以摒除缸內氣(qi)體