力士樂Rexroth輸送機3842541320 停產替代
- 型(xing) 號:3842563318
- 價 格(ge):¥9100
力士樂Rexroth輸送機3842541320 停產替代滾(gun)珠(zhu)導軌導向系(xi)統(tong)(滑塊、導軌、滾(gun)珠(zhu)、絲杠),輸送系(xi)統(tong)(輸送機、擋停(ting)器、分離器、阻尼器、搖桿),手工生(sheng)產(chan)系(xi)統(tong)(卡裝(zhuang)式容器、旋轉升降裝(zhuang)置),識別系(xi)統(tong)(通信模塊、天線(xian)、傳感(gan)器、移動數據載體(ti))
力士樂Rexroth輸送機3842541320 停產替代
液壓傳動的定義
液(ye)(ye)壓(ya)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)是指以液(ye)(ye)體為工(gong)作介質(zhi)進(jin)行能(neng)(neng)(neng)量(liang)(liang)傳(chuan)(chuan)(chuan)遞(di)和(he)控制(zhi)的(de)(de)一種(zhong)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)方式(shi)。在(zai)液(ye)(ye)體傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)中,根據(ju)其能(neng)(neng)(neng)量(liang)(liang)傳(chuan)(chuan)(chuan)遞(di)形式(shi)不(bu)同,又(you)分為液(ye)(ye)力(li)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)和(he)液(ye)(ye)壓(ya)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)。液(ye)(ye)力(li)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)主要是利(li)用(yong)液(ye)(ye)體動(dong)(dong)(dong)能(neng)(neng)(neng)進(jin)行能(neng)(neng)(neng)量(liang)(liang)轉(zhuan)換的(de)(de)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)方式(shi),如液(ye)(ye)力(li)耦合器和(he)液(ye)(ye)力(li)變(bian)矩(ju)器。液(ye)(ye)壓(ya)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)是利(li)用(yong)液(ye)(ye)體壓(ya)力(li)能(neng)(neng)(neng)進(jin)行能(neng)(neng)(neng)量(liang)(liang)轉(zhuan)換的(de)(de)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)方式(shi)。在(zai)機械上采用(yong)液(ye)(ye)壓(ya)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)技術(shu),可以簡化機器的(de)(de)結構,減輕機器質(zhi)量(liang)(liang),減少材料消耗(hao),降低制(zhi)造成(cheng)本,減輕勞動(dong)(dong)(dong)強度,提(ti)高工(gong)作效率和(he)工(gong)作的(de)(de)可靠性。
液壓傳動的綜合應(ying)用領域
液(ye)(ye)(ye)壓(ya)(ya)傳(chuan)動(dong)相對機械(xie)傳(chuan)動(dong)來說,是一(yi)門新技(ji)(ji)術(shu)(shu)(shu)。自(zi)十(shi)(shi)七(qi)世(shi)紀(ji)中葉(xie)帕斯卡提出靜(jing)壓(ya)(ya)原(yuan)理(li),液(ye)(ye)(ye)壓(ya)(ya)傳(chuan)動(dong)已(yi)有(you)三百多年(nian)歷史。然(ran)而液(ye)(ye)(ye)壓(ya)(ya)傳(chuan)動(dong)的(de)(de)(de)(de)推廣使用(yong)只(zhi)是近(jin)五、六(liu)十(shi)(shi)年(nian)的(de)(de)(de)(de)事。直到本(ben)世(shi)紀(ji)三十(shi)(shi)年(nian)代(dai)液(ye)(ye)(ye)壓(ya)(ya)傳(chuan)動(dong)才(cai)開(kai)始(shi)應(ying)用(yong)到普通機床(chuang)(chuang)上(shang)。第二次世(shi)界(jie)大戰(zhan)期(qi)間,由于兵器(qi)的(de)(de)(de)(de)戰(zhan)術(shu)(shu)(shu)技(ji)(ji)術(shu)(shu)(shu)要求,推動(dong)了反應(ying)快、動(dong)作準(zhun)、功率大的(de)(de)(de)(de)液(ye)(ye)(ye)壓(ya)(ya)傳(chuan)動(dong)裝置的(de)(de)(de)(de)發展(zhan)。戰(zhan)后,液(ye)(ye)(ye)壓(ya)(ya)技(ji)(ji)術(shu)(shu)(shu)迅速轉向民用(yong),在機床(chuang)(chuang)、工程機械(xie)、農業機械(xie)、汽車等行(xing)(xing)業中逐步推廣。本(ben)世(shi)紀(ji)六(liu)十(shi)(shi)年(nian)代(dai)以后,隨著原(yuan)子(zi)能技(ji)(ji)術(shu)(shu)(shu)、空(kong)間技(ji)(ji)術(shu)(shu)(shu)、計算機技(ji)(ji)術(shu)(shu)(shu)等的(de)(de)(de)(de)發展(zhan),至今(jin)它已(yi)應(ying)用(yong)國(guo)民經濟的(de)(de)(de)(de)各(ge)個領域中去。我國(guo)的(de)(de)(de)(de)液(ye)(ye)(ye)壓(ya)(ya)工業始(shi)于上(shang)個世(shi)紀(ji)五十(shi)(shi)年(nian)代(dai),其(qi)產(chan)(chan)品(pin)最初應(ying)用(yong)于機床(chuang)(chuang)和(he)鍛壓(ya)(ya)設(she)備上(shang),后來又用(yong)于拖拉(la)機和(he)工程機械(xie)。自(zi)從(cong)國(guo)外引進一(yi)些(xie)液(ye)(ye)(ye)壓(ya)(ya)元件生產(chan)(chan)技(ji)(ji)術(shu)(shu)(shu),同時進行(xing)(xing)自(zi)行(xing)(xing)設(she)計液(ye)(ye)(ye)壓(ya)(ya)產(chan)(chan)品(pin)以來,我國(guo)的(de)(de)(de)(de)液(ye)(ye)(ye)壓(ya)(ya)元件已(yi)從(cong)低壓(ya)(ya)到高(gao)壓(ya)(ya)形成了系統列,并在各(ge)種機械(xie)上(shang)設(she)備上(shang)得到了廣泛的(de)(de)(de)(de)使用(yong)。
(1)一般工業用液壓(ya)(ya)系統(tong)塑料加工機(ji)械(注塑機(ji))、壓(ya)(ya)力機(ji)械(鍛壓(ya)(ya)機(ji))、重型機(ji)械(廢鋼(gang)壓(ya)(ya)塊機(ji))、機(ji)床(chuang)(全自動六角(jiao)車床(chuang)、平面磨床(chuang))等(deng);
(2)行(xing)走機械(xie)(xie)用液壓系(xi)統工程機械(xie)(xie)(挖(wa)掘機)、起(qi)重機械(xie)(xie)(汽(qi)車(che)吊)、建(jian)筑(zhu)機械(xie)(xie)(打樁(zhuang)機)、農業機械(xie)(xie)(聯合收割機)、汽(qi)車(che)(轉向(xiang)器、減振(zhen)器)等;
(3)鋼(gang)鐵工業用(yong)液壓系統 冶金(jin)機械(軋(ya)鋼(gang)機)、提升裝(zhuang)置(升降機)、軋(ya)輥調整裝(zhuang)置等;
(4)土木工程(cheng)用液壓系統(tong) 防洪閘門及堤壩裝置(浪潮防護擋板)、河床升降裝置、橋梁操(cao)縱機構(gou)和礦(kuang)山機械(xie)(鑿(zao)巖機)等(deng);
(5)發(fa)電廠(chang)用液壓系統渦輪機(調速裝置)等;
(6)特(te)殊(shu)技(ji)術用(yong)液壓系統 巨型天線控(kong)制(zhi)裝(zhuang)置(zhi)、測量(liang)浮標、飛(fei)機(ji)起落架的收放裝(zhuang)置(zhi)及(ji)方向舵控(kong)制(zhi)裝(zhuang)置(zhi)、升降旋(xuan)轉(zhuan)舞臺等(deng);
(7)船舶用液壓(ya)系統 甲板起重機械(絞車)、船頭門、艙壁閥(fa)、船尾推進(jin)器等(deng);
(8)軍事工業(ye)用(yong)液(ye)壓系統火炮操縱裝置、艦船(chuan)減搖裝置、飛行器仿真等。
力士樂Rexroth輸送機3842541320 停產替代
3842502030
3842549565-100
3842552645-60
3842548838
3842184738
3842528738
3842528735
3842998102 PE 1/P B=160MM | WT 1/P
3842538065
R910970517 A10VSO71DR/31R-PRA12KB5-S0512(R901238420 SY3DFEE-2X/01229919+01229919+02533941)
3842520025 L=5600mm整包的號,一包2根
3842555274 單根2米
3842555274 單根2米
3842530864 L=32米
3842562346
3842544845
3842516598
3842558570
3842554402
3842555574
3842555572
3842554450
3842529933
3842549703
3842992679 L=240.. <450
3842523426 1=320.. <450; N=0
3842146972 L=240.. <2460
3842146972 L=2460.. <4760
3842146972 L=4760.. 6000
3842235484 D74X30 MA=R;L;B>=MA=M
3842557410 160<=B<240, MA=M
3842992650 L=60米 需要提(ti)供單根長(chang)度(du)
3842198340
3842305209
3842553618 L=380
3842553622 L= 1800
3842523537
3842553618 L=300
3842557215 L=1300
3842520078
3842554306
3842549868
3842242351
3842554312
3842523102
3842546981
3842554294
3842558795
3842992811 L=69M
3842538949
3842538943
3842546017 L=12M
3842531214 L=12M
3842531420 L=12M
3842533478 L=12M
3842999727-100 3842538940
3842999727-3010 3842541036
3842557603
3842557709
3842544531
3842536676
3842305211
3842994733 L=580
3842410063
3842551360
3842538942 1450
3842410117
3842537627
3842529731
3842532677
3842992679,L=6M 2000MM
3842538656
3842530864 L=12M
3842563318
3842998101 B=120MM
液壓傳動在日(ri)常生活中的應用(yong)
在我們生活中最常見的(de)是(shi)液壓(ya)(ya)千斤頂(ding)、汽車(che)的(de)轉向助力、挖掘機(ji)、飛機(ji)起(qi)落架的(de)收放裝(zhuang)置(zhi)及方向舵控制裝(zhuang)置(zhi)、升降(jiang)旋轉舞(wu)臺、船尾推進(jin)器等,這些(xie)都是(shi)都機(ji)械(xie)上的(de)!你看見有液壓(ya)(ya)缸就(jiu)是(shi)液壓(ya)(ya)傳動!
液壓傳動技術在礦井提升系統(tong)中的應用
TEl30型(xing)液壓站的主要作用
(1)可以為盤形制(zhi)動(dong)器提供不同(tong)油(you)壓(ya)值的(de)壓(ya)力油(you),以獲(huo)得(de)不同(tong)的(de)制(zhi)動(dong)力矩。
(2)在(zai)事故狀態下,可以使制動(dong)(dong)器(qi)的(de)油(you)壓(ya)迅速降到預先調定(ding)的(de)某一值,經過延時后(hou),制動(dong)(dong)器(qi)的(de)全部油(you)壓(ya)迅速回到零,使制動(dong)(dong)器(qi)達(da)到全制動(dong)(dong)狀態。
(3)TEl30型液壓(ya)站可(ke)以供給(gei)控制單繩雙(shuang)筒(tong)礦井提升機調繩裝置所需要(yao)的壓(ya)力(li)油。
l、油(you)箱(xiang);2、網式(shi)過濾(lv)器(qi);3、電(dian)(dian)機;4、油(you)泵;5、紙質過濾(lv)器(qi);6、電(dian)(dian)液調壓(ya)(ya)裝置;7、電(dian)(dian)磁換向(xiang)閥(fa)(fa);8、溢流(liu)閥(fa)(fa);9、減壓(ya)(ya)閥(fa)(fa);10、單向(xiang)閥(fa)(fa);11、電(dian)(dian)磁換向(xiang)閥(fa)(fa);12、彈簧蓄力(li)器(qi);13、液動換向(xiang)閥(fa)(fa);14、壓(ya)(ya)力(li)表開關;15、壓(ya)(ya)力(li)表;16、電(dian)(dian)磁換向(xiang)閥(fa)(fa);17、電(dian)(dian)磁換向(xiang)閥(fa)(fa);18、電(dian)(dian)磁換向(xiang)閥(fa)(fa);19、電(dian)(dian)接點(dian)壓(ya)(ya)力(li)式(shi)溫(wen)度計;2O、電(dian)(dian)接點(dian)壓(ya)(ya)力(li)表;21、截止閥(fa)(fa)。
液壓站工(gong)作原理介紹
為了確保提升機的(de)(de)正常工作,液(ye)壓(ya)(ya)(ya)站油(you)(you)箱中間用(yong)鋼(gang)板隔開,相當(dang)于2個獨立油(you)(you)箱,并帶(dai)有2臺(tai)葉(xie)片泵裝置(zhi),一臺(tai)工作、一臺(tai)備(bei)用(yong)。二泵替換工作時,同液(ye)動(dong)(dong)(dong)(dong)換向閥(fa)13自動(dong)(dong)(dong)(dong)換向,2臺(tai)葉(xie)片泵裝置(zhi)放在(zai)油(you)(you)箱側面(mian)地面(mian)上(shang),便(bian)于維修。安(an)全制(zhi)(zhi)動(dong)(dong)(dong)(dong)部(bu)分(fen)由電磁(ci)閥(fa)G3、G4、G5、G6,減壓(ya)(ya)(ya)閥(fa)9、溢(yi)流閥(fa)8、蓄力器12等件組(zu)成。對(dui)單繩雙筒提升機來說又(you)在(zai)此(ci)基(ji)礎上(shang)增(zeng)加了電磁(ci)閥(fa)18(G1、G2)以供詞繩使(shi)用(yong),液(ye)壓(ya)(ya)(ya)站為盤形(xing)制(zhi)(zhi)動(dong)(dong)(dong)(dong)器提供了不同油(you)(you)壓(ya)(ya)(ya)的(de)(de)油(you)(you),油(you)(you)壓(ya)(ya)(ya)的(de)(de)變(bian)(bian)化(hua),由電液(ye)調(diao)壓(ya)(ya)(ya)裝置(zhi)b來調(diao)節(jie),這時安(an)全制(zhi)(zhi)動(dong)(dong)(dong)(dong)部(bu)分(fen)的(de)(de)電磁(ci)閥(fa)G3、G4、G5帶(dai)電,油(you)(you)路(lu)通,壓(ya)(ya)(ya)力油(you)(you)通過管路(lu)分(fen)別進入盤形(xing)制(zhi)(zhi)動(dong)(dong)(dong)(dong)器。油(you)(you)壓(ya)(ya)(ya)的(de)(de)變(bian)(bian)化(hua),通過提升機司機控制(zhi)(zhi)電液(ye)調(diao)壓(ya)(ya)(ya)裝置(zhi)的(de)(de)電流大(da)小(xiao)來實現,從而(er)達到調(diao)節(jie)制(zhi)(zhi)動(dong)(dong)(dong)(dong)力矩的(de)(de)目的(de)(de)。
2.3液壓(ya)站的安(an)全(quan)制(zhi)(zhi)(zhi)(zhi)動(dong)中(zhong)的原理(li)應(ying)用(yong)系(xi)統(tong)正(zheng)常(chang)]_作(zuo)時,電(dian)(dian)磁鐵G3、G4、G5通(tong)電(dian)(dian),G1、G2、G6斷(duan)電(dian)(dian),壓(ya)力(li)油(you)(you)(you)通(tong)過(guo)電(dian)(dian)磁閥(fa)(fa)11、17分(fen)(fen)別進(jin)入(ru)制(zhi)(zhi)(zhi)(zhi)動(dong)器,開閘,保證提(ti)(ti)升機正(zheng)常(chang)運(yun)轉(zhuan)。同時壓(ya)力(li)油(you)(you)(you)經(jing)過(guo)減壓(ya)閥(fa)(fa)9、單向閥(fa)(fa)10進(jin)入(ru)彈(dan)簧儲力(li)器l2,達到(dao)某一(yi)(yi)級(ji)制(zhi)(zhi)(zhi)(zhi)動(dong)油(you)(you)(you)壓(ya)Pl級(ji),當提(ti)(ti)升機實現安(an)全(quan)制(zhi)(zhi)(zhi)(zhi)動(dong)時(其(qi)中(zhong)包括全(quan)礦停電(dian)(dian))電(dian)(dian)機3斷(duan)電(dian)(dian),油(you)(you)(you)泵停止供油(you)(you)(you),電(dian)(dian)磁鐵G3、G4斷(duan)電(dian)(dian)。TEl30型液壓(ya)站固定(ding)卷(juan)(juan)筒制(zhi)(zhi)(zhi)(zhi)動(dong)器的壓(ya)力(li)油(you)(you)(you)迅速(su)回油(you)(you)(you)箱,油(you)(you)(you)壓(ya)降到(dao)零(ling)。TEl30游動(dong)卷(juan)(juan)筒制(zhi)(zhi)(zhi)(zhi)動(dong)器的壓(ya)力(li)油(you)(you)(you)經(jing)電(dian)(dian)磁閥(fa)(fa)l1,一(yi)(yi)部分(fen)(fen)壓(ya)力(li)油(you)(you)(you)流(liu)到(dao)彈(dan)簧儲力(li)器12內(nei),另一(yi)(yi)部分(fen)(fen)由溢(yi)流(liu)閥(fa)(fa)8流(liu)回油(you)(you)(you)箱,使(shi)這局部系(xi)統(tong)內(nei)油(you)(you)(you)壓(ya)值,保持一(yi)(yi)級(ji)制(zhi)(zhi)(zhi)(zhi)動(dong)油(you)(you)(you)壓(ya)值P1級(ji),再經(jing)過(guo)延時繼電(dian)(dian)器延時,電(dian)(dian)磁鐵G5延時斷(duan)電(dian)(dian),G6延時通(tong)電(dian)(dian),使(shi)油(you)(you)(you)壓(ya)迅速(su)降到(dao)零(ling),達到(dao)全(quan)制(zhi)(zhi)(zhi)(zhi)動(dong)狀態。
液壓傳(chuan)動(dong)在機械中詳細的應用
驅動(dong)(dong)(dong)機械(xie)運動(dong)(dong)(dong)的(de)(de)機構以(yi)及各種傳(chuan)動(dong)(dong)(dong)和(he)操縱裝(zhuang)置有(you)多(duo)種形式。根據所用(yong)(yong)的(de)(de)部件(jian)和(he)零(ling)件(jian),可分為機械(xie)的(de)(de)、電氣的(de)(de)、氣動(dong)(dong)(dong)的(de)(de)、液(ye)壓的(de)(de)傳(chuan)動(dong)(dong)(dong)裝(zhuang)置。經常(chang)還將不(bu)同的(de)(de)形式組合起(qi)來運用(yong)(yong)——四位(wei)一體。由于液(ye)壓傳(chuan)動(dong)(dong)(dong)具有(you)很(hen)多(duo)優點,使這種新技術(shu)發展(zhan)得很(hen)快。液(ye)壓傳(chuan)動(dong)(dong)(dong)應(ying)用(yong)(yong)于金(jin)屬切削機床也(ye)不(bu)過(guo)四五十(shi)年(nian)的(de)(de)歷史(shi)。航(hang)空(kong)工業(ye)在1930年(nian)以(yi)后(hou)才開(kai)始采(cai)用(yong)(yong)。特(te)別是最近二三十(shi)年(nian)以(yi)來液(ye)壓技術(shu)在各種工業(ye)中的(de)(de)應(ying)用(yong)(yong)越來越廣泛。
在機(ji)床上(shang),液(ye)壓傳動常(chang)應用在以下的一些裝置中:
1.進給運(yun)(yun)動(dong)傳(chuan)(chuan)動(dong)裝置磨(mo)床(chuang)砂輪架和工(gong)作(zuo)(zuo)臺(tai)的(de)(de)(de)進給運(yun)(yun)動(dong)大(da)部分(fen)采用(yong)液壓(ya)(ya)傳(chuan)(chuan)動(dong);車(che)床(chuang)、六(liu)角(jiao)車(che)床(chuang)、自動(dong)車(che)床(chuang)的(de)(de)(de)刀(dao)架或轉塔刀(dao)架;銑床(chuang)、刨床(chuang)、組合機床(chuang)的(de)(de)(de)工(gong)作(zuo)(zuo)臺(tai)等的(de)(de)(de)進給運(yun)(yun)動(dong)也(ye)都采用(yong)液壓(ya)(ya)傳(chuan)(chuan)動(dong)。這些(xie)部件有(you)(you)(you)的(de)(de)(de)要(yao)(yao)(yao)(yao)求(qiu)(qiu)快速(su)移(yi)動(dong),有(you)(you)(you)的(de)(de)(de)要(yao)(yao)(yao)(yao)求(qiu)(qiu)慢速(su)移(yi)動(dong)。有(you)(you)(you)的(de)(de)(de)則既(ji)要(yao)(yao)(yao)(yao)求(qiu)(qiu)快速(su)移(yi)動(dong),也(ye)要(yao)(yao)(yao)(yao)求(qiu)(qiu)慢速(su)移(yi)動(dong)。這些(xie)運(yun)(yun)動(dong)多半要(yao)(yao)(yao)(yao)求(qiu)(qiu)有(you)(you)(you)較大(da)的(de)(de)(de)調速(su)范圍,要(yao)(yao)(yao)(yao)求(qiu)(qiu)在工(gong)作(zuo)(zuo)中(zhong)無級調速(su);有(you)(you)(you)的(de)(de)(de)要(yao)(yao)(yao)(yao)求(qiu)(qiu)持(chi)續進給,有(you)(you)(you)的(de)(de)(de)要(yao)(yao)(yao)(yao)求(qiu)(qiu)間歇進給;有(you)(you)(you)的(de)(de)(de)要(yao)(yao)(yao)(yao)求(qiu)(qiu)在負(fu)載變(bian)化(hua)下(xia)速(su)度恒定,有(you)(you)(you)的(de)(de)(de)要(yao)(yao)(yao)(yao)求(qiu)(qiu)有(you)(you)(you)良好的(de)(de)(de)換向性能等等。所有(you)(you)(you)這些(xie)要(yao)(yao)(yao)(yao)求(qiu)(qiu)都是(shi)可(ke)以(yi)用(yong)液壓(ya)(ya)傳(chuan)(chuan)動(dong)來實現的(de)(de)(de)。
2.往復主體運動傳動裝置龍門刨(bao)床(chuang)的工作臺、牛頭刨(bao)床(chuang)或插床(chuang)的滑枕,由于要求作高速往復直線運動,并且要求換向沖擊(ji)小、換向時間短、能耗低,因此都可(ke)以(yi)采用液(ye)壓傳動。
3.仿形(xing)裝(zhuang)置車(che)床、銑床、刨床上的仿形(xing)加(jia)工(gong)可(ke)以采用液壓(ya)伺(si)服系(xi)統來(lai)完成(cheng)。 其精度可(ke)達0.01~0.02mm。此外,磨床上的成(cheng)形(xing)砂輪(lun)修正(zheng)裝(zhuang)置亦(yi)可(ke)采用這種系(xi)統。
4.輔助(zhu)裝(zhuang)置(zhi)(zhi)機(ji)床上(shang)的(de)夾(jia)緊裝(zhuang)置(zhi)(zhi)、齒輪箱(xiang)變速操縱裝(zhuang)置(zhi)(zhi)、絲(si)桿螺母間隙消除(chu)裝(zhuang)置(zhi)(zhi)、垂直移動部件(jian)(jian)平衡裝(zhuang)置(zhi)(zhi)、分(fen)度(du)裝(zhuang)置(zhi)(zhi)、工(gong)(gong)件(jian)(jian)和(he)刀具裝(zhuang)卸裝(zhuang)置(zhi)(zhi)、工(gong)(gong)件(jian)(jian)輸送(song)裝(zhuang)置(zhi)(zhi)等,采用液壓傳動后,有利于簡(jian)化機(ji)床結構,提高(gao)機(ji)床自動化程度(du)。
5.靜壓支(zhi)承重型機床(chuang)、高速(su)機床(chuang)、高精度(du)機床(chuang)上的軸承、導軌、絲杠螺母機構等(deng)處采(cai)用液體(ti)靜壓支(zhi)承后(hou),可以提高工作平穩(wen)性和運動精度(du)。
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