今天小編給大家分析一下四川邁克閥門注(zhu)脂時需要注(zhu)意的相關問題(ti):
第一(yi)、閥門(men)注(zhu)脂(zhi)(zhi)(zhi)時,常常忽視脂(zhi)(zhi)(zhi)量得(de)問(wen)題(ti)。注(zhu)脂(zhi)(zhi)(zhi)槍(qiang)加油(you)后(hou),操作(zuo)人員選擇(ze)閥門(men)和(he)注(zhu)脂(zhi)(zhi)(zhi)聯結方式后(hou),進(jin)(jin)行注(zhu)脂(zhi)(zhi)(zhi)作(zuo)業(ye)。存在著二(er)種情(qing)況:一(yi)方面(mian)注(zhu)脂(zhi)(zhi)(zhi)量少(shao)注(zhu)脂(zhi)(zhi)(zhi)不(bu)(bu)足,密封面(mian)因(yin)缺少(shao)潤滑(hua)劑而(er)加快(kuai)磨損(sun)。另一(yi)方面(mian)注(zhu)脂(zhi)(zhi)(zhi)過量,造成(cheng)浪費。在于沒有根據(ju)閥門(men)類型類別,對不(bu)(bu)同得(de)閥門(men)密封容(rong)(rong)量進(jin)(jin)行精確(que)得(de)計算。可以以閥門(men)尺寸(cun)和(he)類別算出密封容(rong)(rong)量,再合(he)理得(de)注(zhu)入(ru)適量得(de)潤滑(hua)脂(zhi)(zhi)(zhi)。
第二、閥(fa)門注(zhu)(zhu)(zhu)脂(zhi)(zhi)(zhi)(zhi)(zhi)時,常忽略壓(ya)力(li)問題。在(zai)注(zhu)(zhu)(zhu)脂(zhi)(zhi)(zhi)(zhi)(zhi)操(cao)作時,注(zhu)(zhu)(zhu)脂(zhi)(zhi)(zhi)(zhi)(zhi)壓(ya)力(li)有規律地呈峰谷變化(hua)。壓(ya)力(li)過低,密(mi)(mi)(mi)封(feng)漏(lou)或失(shi)(shi)效,壓(ya)力(li)過高,注(zhu)(zhu)(zhu)脂(zhi)(zhi)(zhi)(zhi)(zhi)口(kou)堵塞、密(mi)(mi)(mi)封(feng)內脂(zhi)(zhi)(zhi)(zhi)(zhi)類硬化(hua)或密(mi)(mi)(mi)封(feng)圈與閥(fa)球(qiu)、閥(fa)板抱死。通常注(zhu)(zhu)(zhu)脂(zhi)(zhi)(zhi)(zhi)(zhi)壓(ya)力(li)過低時,注(zhu)(zhu)(zhu)入得(de)(de)潤(run)滑脂(zhi)(zhi)(zhi)(zhi)(zhi)多流入閥(fa)腔底部,一般發生在(zai)小型閘閥(fa)。而(er)注(zhu)(zhu)(zhu)脂(zhi)(zhi)(zhi)(zhi)(zhi)壓(ya)力(li)過高,一方(fang)面(mian)檢查注(zhu)(zhu)(zhu)脂(zhi)(zhi)(zhi)(zhi)(zhi)嘴,如是(shi)脂(zhi)(zhi)(zhi)(zhi)(zhi)孔阻塞判明(ming)情況進行更換(huan);另(ling)一方(fang)面(mian)是(shi)脂(zhi)(zhi)(zhi)(zhi)(zhi)類硬化(hua),要(yao)使用清洗(xi)液,反(fan)復軟化(hua)失(shi)(shi)效得(de)(de)密(mi)(mi)(mi)封(feng)脂(zhi)(zhi)(zhi)(zhi)(zhi),并注(zhu)(zhu)(zhu)入新(xin)得(de)(de)潤(run)滑脂(zhi)(zhi)(zhi)(zhi)(zhi)置換(huan)。此(ci)外,密(mi)(mi)(mi)封(feng)型號和密(mi)(mi)(mi)封(feng)材質,也影響注(zhu)(zhu)(zhu)脂(zhi)(zhi)(zhi)(zhi)(zhi)壓(ya)力(li),不同(tong)得(de)(de)密(mi)(mi)(mi)封(feng)形式有不同(tong)得(de)(de)注(zhu)(zhu)(zhu)脂(zhi)(zhi)(zhi)(zhi)(zhi)壓(ya)力(li),一般情況硬密(mi)(mi)(mi)封(feng)注(zhu)(zhu)(zhu)脂(zhi)(zhi)(zhi)(zhi)(zhi)壓(ya)力(li)要(yao)高于(yu)軟密(mi)(mi)(mi)封(feng)。
第三、波紋(wen)管(guan)注脂(zhi)時,注意(yi)閥(fa)(fa)門在開關(guan)(guan)位得(de)問題。球閥(fa)(fa)維護(hu)保(bao)(bao)養(yang)時一般都(dou)處(chu)于開位狀(zhuang)態,特殊情況(kuang)下選擇關(guan)(guan)閉保(bao)(bao)養(yang)。其(qi)他閥(fa)(fa)門也不能一概以開位論處(chu)。閘(zha)閥(fa)(fa)在養(yang)護(hu)時則(ze)必須(xu)處(chu)于關(guan)(guan)閉狀(zhuang)態,確保(bao)(bao)潤(run)滑脂(zhi)沿密(mi)封(feng)圈充滿密(mi)封(feng)槽溝,如果開位,密(mi)封(feng)脂(zhi)則(ze)直(zhi)接掉入流道或閥(fa)(fa)腔,造成浪費。
第四、閥門(men)注(zhu)脂(zhi)時(shi),常(chang)忽略注(zhu)脂(zhi)效(xiao)果(guo)問(wen)題。注(zhu)脂(zhi)操(cao)作(zuo)中壓(ya)力、注(zhu)脂(zhi)量、開(kai)關位都正常(chang)。但為確保閥門(men)注(zhu)脂(zhi)效(xiao)果(guo),有時(shi)需開(kai)啟或(huo)關閉閥門(men),對潤滑(hua)(hua)效(xiao)果(guo)進行檢(jian)查,確認閥門(men)閥球或(huo)閘板表面(mian)潤滑(hua)(hua)均勻(yun)。
第五、注(zhu)(zhu)脂(zhi)時(shi),要注(zhu)(zhu)意(yi)閥(fa)體(ti)排(pai)污(wu)(wu)和絲(si)堵泄(xie)(xie)壓問題。閥(fa)門打(da)壓試驗后,密封腔閥(fa)腔內(nei)氣體(ti)和水分因環境溫度升(sheng)高而升(sheng)壓,注(zhu)(zhu)脂(zhi)時(shi)要先進行排(pai)污(wu)(wu)泄(xie)(xie)壓,以利(li)(li)于注(zhu)(zhu)脂(zhi)工作得順利(li)(li)進行。注(zhu)(zhu)脂(zhi)后密封腔內(nei)得空氣和水分被充(chong)分置換(huan)出來(lai)。及時(shi)泄(xie)(xie)掉(diao)閥(fa)腔壓力,也保障了閥(fa)門使用安(an)全(quan)。注(zhu)(zhu)脂(zhi)結束后,一(yi)定要擰緊(jin)排(pai)污(wu)(wu)和泄(xie)(xie)壓絲(si)堵,以防意(yi)外發生。
第六、注(zhu)(zhu)脂(zhi)時,要注(zhu)(zhu)意出(chu)脂(zhi)均勻得(de)問(wen)題。正常注(zhu)(zhu)脂(zhi)時,距離注(zhu)(zhu)脂(zhi)口較近得(de)出(chu)脂(zhi)孔先出(chu)脂(zhi),然后(hou)(hou)到低點,較后(hou)(hou)是高(gao)點,逐次出(chu)脂(zhi)。如果(guo)不按規律(lv)或(huo)不出(chu)脂(zhi),證明存在堵塞,及(ji)時進行清(qing)通處理。
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第七(qi)、注脂時也要(yao)觀察閥(fa)門(men)通徑與密(mi)封圈(quan)座平(ping)齊(qi)問題(ti)。例(li)如硬密(mi)封球閥(fa),如果(guo)存在(zai)開位(wei)(wei)(wei)(wei)(wei)過盈,可向(xiang)里(li)調整(zheng)開位(wei)(wei)(wei)(wei)(wei)限(xian)位(wei)(wei)(wei)(wei)(wei)器,確(que)認通徑平(ping)直(zhi)后鎖定(ding)。調整(zheng)限(xian)位(wei)(wei)(wei)(wei)(wei)不(bu)可只追(zhui)求開或關(guan)一(yi)方位(wei)(wei)(wei)(wei)(wei)置(zhi),要(yao)整(zheng)體考(kao)慮。如果(guo)開位(wei)(wei)(wei)(wei)(wei)平(ping)齊(qi),關(guan)不(bu)到(dao)位(wei)(wei)(wei)(wei)(wei),會造成閥(fa)門(men)關(guan)不(bu)嚴(yan)。同理,調整(zheng)關(guan)到(dao)位(wei)(wei)(wei)(wei)(wei),也要(yao)考(kao)慮開位(wei)(wei)(wei)(wei)(wei)相應得調整(zheng)。確(que)保閥(fa)門(men)得直(zhi)角行程。
第八、注脂后,一(yi)定封(feng)好注脂口。避(bi)免雜(za)質進(jin)入,或注脂口處脂類氧化,封(feng)蓋要涂(tu)抹防銹(xiu)脂,避(bi)免生銹(xiu)。以便下(xia)一(yi)次操作時應(ying)用。
第九、注(zhu)脂(zhi)時(shi),也(ye)要考慮(lv)在(zai)今后油(you)品(pin)順序輸(shu)送中(zhong)具(ju)體問(wen)題(ti)具(ju)體對待(dai)。鑒于柴油(you)與汽油(you)不同得品(pin)質,應考慮(lv)汽油(you)得沖刷和分解能力。在(zai)以后閥門(men)操作,遇到汽油(you)段作業時(shi),及(ji)時(shi)補充潤滑脂(zhi),防(fang)止磨(mo)損情況發生。
第十、注脂時(shi),不(bu)要(yao)忽略(lve)閥桿部位得注脂。閥軸部位有(you)滑動(dong)軸套或(huo)填(tian)料,也需要(yao)保持潤滑狀態,以減小操(cao)(cao)作(zuo)時(shi)得摩擦(ca)阻力,如不(bu)能(neng)確保潤滑,則電動(dong)操(cao)(cao)作(zuo)時(shi)扭(niu)矩(ju)加大磨損(sun)部件,手動(dong)操(cao)(cao)作(zuo)時(shi)開(kai)關(guan)費力。)