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密(mi)(mi)(mi)煉(lian)機(ji)液壓(ya)(ya)(ya)(ya)(ya)系(xi)統(tong)是(shi)橡膠、塑(su)料(liao)(liao)等(deng)(deng)高(gao)(gao)分(fen)子(zi)(zi)材料(liao)(liao)混煉(lian)設(she)備(bei)的(de)動(dong)(dong)力系(xi)統(tong),莆田液壓(ya)(ya)(ya)(ya)(ya),主要用于驅(qu)動(dong)(dong)上(shang)頂栓加壓(ya)(ya)(ya)(ya)(ya)、卸料(liao)(liao)門啟(qi)閉、轉(zhuan)(zhuan)(zhuan)子(zi)(zi)旋轉(zhuan)(zhuan)(zhuan)等(deng)(deng)動(dong)(dong)作(zuo)。其功能(neng)(neng)(neng)是(shi)將(jiang)電(dian)能(neng)(neng)(neng)轉(zhuan)(zhuan)(zhuan)化為液壓(ya)(ya)(ya)(ya)(ya)能(neng)(neng)(neng),再通(tong)過(guo)(guo)執行(xing)(xing)機(ji)構(gou)輸(shu)(shu)出(chu)穩(wen)定(ding)的(de)機(ji)械動(dong)(dong)力,以滿(man)足(zu)密(mi)(mi)(mi)煉(lian)工(gong)藝(yi)對壓(ya)(ya)(ya)(ya)(ya)力、速度的(de)控(kong)制(zhi)需求。###一(yi)、系(xi)統(tong)組(zu)成(cheng)主要由四(si)部分(fen)構(gou)成(cheng):1.**動(dong)(dong)力元(yuan)件(jian)**:液壓(ya)(ya)(ya)(ya)(ya)泵(beng)(齒輪泵(beng)、柱塞泵(beng)等(deng)(deng)),將(jiang)電(dian)機(ji)機(ji)械能(neng)(neng)(neng)轉(zhuan)(zhuan)(zhuan)化為液壓(ya)(ya)(ya)(ya)(ya)油(you)(you)(you)壓(ya)(ya)(ya)(ya)(ya)力能(neng)(neng)(neng);2.**執行(xing)(xing)元(yuan)件(jian)**:液壓(ya)(ya)(ya)(ya)(ya)油(you)(you)(you)缸(gang)(驅(qu)動(dong)(dong)上(shang)頂栓)和液壓(ya)(ya)(ya)(ya)(ya)馬達(驅(qu)動(dong)(dong)轉(zhuan)(zhuan)(zhuan)子(zi)(zi)),實現(xian)能(neng)(neng)(neng)量二次轉(zhuan)(zhuan)(zhuan)換;3.**控(kong)制(zhi)元(yuan)件(jian)**:方向(xiang)閥(fa)(fa)、壓(ya)(ya)(ya)(ya)(ya)力閥(fa)(fa)、流量閥(fa)(fa)等(deng)(deng),調(diao)(diao)控(kong)油(you)(you)(you)路方向(xiang)、壓(ya)(ya)(ya)(ya)(ya)力及(ji)流速;4.**輔助元(yuan)件(jian)**:油(you)(you)(you)箱、管路、過(guo)(guo)濾器、蓄能(neng)(neng)(neng)器及(ji)冷卻裝置,液壓(ya)(ya)(ya)(ya)(ya)裝置,保(bao)障系(xi)統(tong)穩(wen)定(ding)運行(xing)(xing)。###二、工(gong)作(zuo)原(yuan)理(li)液壓(ya)(ya)(ya)(ya)(ya)泵(beng)從油(you)(you)(you)箱吸油(you)(you)(you)加壓(ya)(ya)(ya)(ya)(ya)后,通(tong)過(guo)(guo)控(kong)制(zhi)閥(fa)(fa)組(zu)將(jiang)高(gao)(gao)壓(ya)(ya)(ya)(ya)(ya)油(you)(you)(you)輸(shu)(shu)送至(zhi)執行(xing)(xing)元(yuan)件(jian)。例(li)如(ru):比例(li)閥(fa)(fa)根據PLC指令(ling)調(diao)(diao)節油(you)(you)(you)缸(gang)壓(ya)(ya)(ya)(ya)(ya)力(通(tong)常達15-25MPa),確保(bao)上(shang)頂栓對膠料(liao)(liao)施加壓(ya)(ya)(ya)(ya)(ya)力;同步閥(fa)(fa)組(zu)保(bao)障多個油(you)(you)(you)缸(gang)動(dong)(dong)作(zuo)協調(diao)(diao),避免壓(ya)(ya)(ya)(ya)(ya)力波(bo)動(dong)(dong)。###三、技術特點(dian)1.**高(gao)(gao)壓(ya)(ya)(ya)(ya)(ya)大流量**:轉(zhuan)(zhuan)(zhuan)子(zi)(zi)驅(qu)動(dong)(dong)系(xi)統(tong)壓(ya)(ya)(ya)(ya)(ya)力常達20MPa以上(shang),流量超過(guo)(guo)200L/min;2.**快速響應(ying)**:采用插裝閥(fa)(fa)或(huo)比例(li)閥(fa)(fa),加壓(ya)(ya)(ya)(ya)(ya)響應(ying)時間≤0.5秒;3.**穩(wen)定(ding)性強**:配(pei)備(bei)氮氣蓄能(neng)(neng)(neng)器補償壓(ya)(ya)(ya)(ya)(ya)力波(bo)動(dong)(dong),壓(ya)(ya)(ya)(ya)(ya)力波(bo)動(dong)(dong)范圍≤±0.5MPa;4.**可調(diao)(diao)性高(gao)(gao)**:通(tong)過(guo)(guo)變頻電(dian)機(ji)或(huo)比例(li)泵(beng)實現(xian)無極調(diao)(diao)速,適(shi)應(ying)不同配(pei)方需求。###四(si)、維(wei)護(hu)要點(dian)定(ding)期更(geng)換抗磨液壓(ya)(ya)(ya)(ya)(ya)油(you)(you)(you)(建(jian)議(yi)ISOVG46),每(mei)2000小時檢(jian)(jian)測油(you)(you)(you)液污染度(NAS8級以下);每(mei)月檢(jian)(jian)查油(you)(you)(you)缸(gang)密(mi)(mi)(mi)封件(jian)磨損(sun)情(qing)況;每(mei)季度清理(li)散熱(re)器,維(wei)持(chi)油(you)(you)(you)溫在30-60℃區間。特別注意轉(zhuan)(zhuan)(zhuan)子(zi)(zi)驅(qu)動(dong)(dong)系(xi)統(tong)的(de)壓(ya)(ya)(ya)(ya)(ya)力脈動(dong)(dong)監測,避免齒輪泵(beng)氣蝕損(sun)壞。該系(xi)統(tong)通(tong)過(guo)(guo)的(de)液壓(ya)(ya)(ya)(ya)(ya)控(kong)制(zhi),確保(bao)密(mi)(mi)(mi)煉(lian)過(guo)(guo)程獲得理(li)想的(de)剪切效果和分(fen)散度,直接影(ying)響終(zhong)制(zhi)品質(zhi)量。掌握其工(gong)作(zuo)原(yuan)理(li)與(yu)維(wei)護(hu)規范,可提(ti)升(sheng)設(she)備(bei)使(shi)用壽命10%-15%。
硫化(hua)(hua)機(ji)液(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)系(xi)統(tong)(tong)作(zuo)用(yong)(yong)原理硫化(hua)(hua)機(ji)是(shi)橡膠(jiao)制(zhi)品生(sheng)產中的(de)設(she)(she)(she)備,其(qi)液(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)系(xi)統(tong)(tong)通(tong)過(guo)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)(li)(li)控(kong)(kong)制(zhi)實(shi)(shi)現模(mo)(mo)具閉(bi)合(he)(he)、保(bao)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)硫化(hua)(hua)和開模(mo)(mo)頂(ding)出等關鍵(jian)工(gong)序。系(xi)統(tong)(tong)主(zhu)要由液(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)泵站、控(kong)(kong)制(zhi)閥(fa)(fa)(fa)組(zu)、執行機(ji)構(液(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)缸(gang)(gang))、蓄(xu)(xu)能(neng)器(qi)(qi)及壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)(li)(li)檢測裝(zhuang)置構成(cheng)(cheng)(cheng),工(gong)作(zuo)原理可分為四個(ge)階段(duan):1.**動(dong)(dong)(dong)力(li)(li)(li)(li)(li)輸出階段(duan)**液(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)泵從(cong)油(you)(you)(you)箱(xiang)吸入液(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)油(you)(you)(you),經濾(lv)清器(qi)(qi)凈(jing)化(hua)(hua)后輸出高壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)油(you)(you)(you)液(ye)。變(bian)(bian)量泵可根(gen)據工(gong)況(kuang)自(zi)動(dong)(dong)(dong)調節流(liu)(liu)量,液(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)設(she)(she)(she)備,降低(di)能(neng)耗(hao)。壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)(li)(li)油(you)(you)(you)通(tong)過(guo)電(dian)液(ye)比例(li)閥(fa)(fa)(fa)進入主(zhu)液(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)缸(gang)(gang),驅動(dong)(dong)(dong)活動(dong)(dong)(dong)平臺快速(su)閉(bi)合(he)(he)模(mo)(mo)具,此(ci)時(shi)系(xi)統(tong)(tong)采用(yong)(yong)大流(liu)(liu)量低(di)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)模(mo)(mo)式提(ti)升效(xiao)率(lv)。2.**加壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)硫化(hua)(hua)階段(duan)**模(mo)(mo)具閉(bi)合(he)(he)后系(xi)統(tong)(tong)切換(huan)至小流(liu)(liu)量高壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)模(mo)(mo)式。比例(li)溢(yi)流(liu)(liu)閥(fa)(fa)(fa)控(kong)(kong)制(zhi)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)(li)(li)(通(tong)常15-25MPa),液(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)傳感(gan)器(qi)(qi),配合(he)(he)蓄(xu)(xu)能(neng)器(qi)(qi)補償(chang)油(you)(you)(you)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)波動(dong)(dong)(dong),確保(bao)硫化(hua)(hua)過(guo)程中壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)(li)(li)穩定。壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)(li)(li)傳感(gan)器(qi)(qi)實(shi)(shi)時(shi)反饋數據,PLC控(kong)(kong)制(zhi)系(xi)統(tong)(tong)動(dong)(dong)(dong)態(tai)調整(zheng)(zheng)閥(fa)(fa)(fa)門開度,壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)(li)(li)控(kong)(kong)制(zhi)精(jing)度可達±0.5MPa。3.**保(bao)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)控(kong)(kong)制(zhi)階段(duan)**硫化(hua)(hua)反應期間需長時(shi)間維(wei)持(chi)恒(heng)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)。采用(yong)(yong)插裝(zhuang)式保(bao)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)閥(fa)(fa)(fa)組(zu)形成(cheng)(cheng)(cheng)封閉(bi)油(you)(you)(you)路,配合(he)(he)柱塞式蓄(xu)(xu)能(neng)器(qi)(qi)吸收熱膨脹效(xiao)應,有(you)效(xiao)補償(chang)內泄造成(cheng)(cheng)(cheng)的(de)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)(li)(li)衰減。特殊設(she)(she)(she)計的(de)液(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)鎖緊裝(zhuang)置可維(wei)持(chi)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)(li)(li)8小時(shi)下降不超過(guo)2%。4.**卸壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)回程階段(duan)**硫化(hua)(hua)完成(cheng)(cheng)(cheng)后,比例(li)換(huan)向閥(fa)(fa)(fa)切換(huan)油(you)(you)(you)路方(fang)向,液(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)缸(gang)(gang)帶(dai)動(dong)(dong)(dong)模(mo)(mo)板平穩退回。系(xi)統(tong)(tong)設(she)(she)(she)置多級卸壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)回路,通(tong)過(guo)節流(liu)(liu)閥(fa)(fa)(fa)控(kong)(kong)制(zhi)回油(you)(you)(you)速(su)度,避免壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)(li)(li)驟降導(dao)致制(zhi)品變(bian)(bian)形。頂(ding)出液(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)缸(gang)(gang)同步動(dong)(dong)(dong)作(zuo)推(tui)出成(cheng)(cheng)(cheng)品,完成(cheng)(cheng)(cheng)整(zheng)(zheng)個(ge)工(gong)作(zuo)循環。現代(dai)硫化(hua)(hua)機(ji)液(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)系(xi)統(tong)(tong)集成(cheng)(cheng)(cheng)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)(li)(li)閉(bi)環控(kong)(kong)制(zhi)、溫度補償(chang)和故障自(zi)診(zhen)斷(duan)功(gong)能(neng),采用(yong)(yong)高粘度抗磨液(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)油(you)(you)(you)(ISOVG68)保(bao)障高溫工(gong)況(kuang)下的(de)潤(run)滑(hua)性能(neng)。節能(neng)設(she)(she)(she)計方(fang)面,通(tong)過(guo)負載敏感(gan)泵和蓄(xu)(xu)能(neng)器(qi)(qi)聯動(dong)(dong)(dong),可降低(di)30%以上(shang)能(neng)耗(hao)。系(xi)統(tong)(tong)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)(li)(li)波動(dong)(dong)(dong)控(kong)(kong)制(zhi)在額(e)定值5%以內,確保(bao)制(zhi)品密度均勻性和尺寸精(jing)度。
船舶液壓(ya)系(xi)統(tong)(tong)維(wei)(wei)修(xiu)指南(約500字)船舶液壓(ya)系(xi)統(tong)(tong)是船舶動(dong)力(li)(li)(li)(li)傳輸的(de)裝置,其維(wei)(wei)修(xiu)需遵循規范流(liu)(liu)程:一、故(gu)(gu)障診斷1.系(xi)統(tong)(tong)檢(jian)(jian)(jian)查:首先切斷動(dong)力(li)(li)(li)(li)源并泄壓(ya),檢(jian)(jian)(jian)查油(you)(you)位、油(you)(you)質及管路(lu)(lu)外觀,確認(ren)有無(wu)泄漏、油(you)(you)液乳化或金(jin)屬顆粒。2.壓(ya)力(li)(li)(li)(li)測(ce)試(shi)(shi):使用壓(ya)力(li)(li)(li)(li)表檢(jian)(jian)(jian)測(ce)泵站輸出(chu)壓(ya)力(li)(li)(li)(li),對比設計參數(通常(chang)(chang)15-30MPa),判斷泵組(zu)、溢流(liu)(liu)閥(fa)(fa)是否失(shi)效。3.元件檢(jian)(jian)(jian)測(ce):拆(chai)檢(jian)(jian)(jian)液壓(ya)缸/馬達,測(ce)量活(huo)塞桿直線度(du)(允許誤(wu)差≤0.1mm/m),檢(jian)(jian)(jian)查密封件磨損情況。二、常(chang)(chang)見故(gu)(gu)障處理1.壓(ya)力(li)(li)(li)(li)不足-更換(huan)(huan)(huan)柱塞泵配流(liu)(liu)盤(配合間隙應≤0.03mm)-清洗(xi)(xi)或更換(huan)(huan)(huan)溢流(liu)(liu)閥(fa)(fa)閥(fa)(fa)芯(表面粗糙度(du)Ra≤0.4μm)-檢(jian)(jian)(jian)查電機轉速(偏差應<5%額定值)2.油(you)(you)溫異常(chang)(chang)(正(zheng)常(chang)(chang)范圍40-60℃)-清洗(xi)(xi)散熱(re)器翅片(間距保持(chi)2-3mm)-更換(huan)(huan)(huan)黏度(du)等級匹配的(de)液壓(ya)油(you)(you)(ISOVG32/46)-檢(jian)(jian)(jian)查系(xi)統(tong)(tong)背(bei)壓(ya)(建議0.3-0.5MPa)3.執行機構(gou)動(dong)作(zuo)遲緩-更換(huan)(huan)(huan)液壓(ya)鎖平衡閥(fa)(fa)(響應時(shi)間應<0.2秒)-調(diao)整節(jie)(jie)流(liu)(liu)閥(fa)(fa)開度(du)(按(an)0.5mm/次漸進調(diao)節(jie)(jie))-排查管路(lu)(lu)氣穴現象(xiang)(安(an)裝高度(du)差<5m)三、維(wei)(wei)修(xiu)注意事(shi)項1.使用工具拆(chai)裝(如扭(niu)矩(ju)扳手按(an)標準(zhun)預緊(jin))2.更換(huan)(huan)(huan)密封件時(shi)必須清潔(jie)結合面(粗糙度(du)Ra≤1.6μm)3.管路(lu)(lu)焊接后需酸洗(xi)(xi)磷化(清潔(jie)度(du)達到NAS7級)4.系(xi)統(tong)(tong)沖洗(xi)(xi)使用沖洗(xi)(xi)油(you)(you)(過(guo)濾精度(du)β?≥200)四(si)、測(ce)試(shi)(shi)驗收1.空載運行1小(xiao)時(shi),油(you)(you)溫升幅應<15℃/h2.逐級加載至1.25倍工作(zuo)壓(ya)力(li)(li)(li)(li)保壓(ya)5分鐘3.檢(jian)(jian)(jian)測(ce)噪聲等級(距泵1m處≤85dB(A))定期維(wei)(wei)護建議:每500工作(zuo)小(xiao)時(shi)更換(huan)(huan)(huan)濾芯,2000小(xiao)時(shi)更換(huan)(huan)(huan)液壓(ya)油(you)(you),年度(du)進行油(you)(you)液光(guang)譜分析。維(wei)(wei)修(xiu)后需完(wan)整填(tian)寫《液壓(ya)系(xi)統(tong)(tong)維(wei)(wei)修(xiu)記錄表》,留存設備檔案備查。
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