
威(wei)海(hai)力(li)建(jian)液(ye)壓設備(bei)廠
經營(ying)模式:生產(chan)加(jia)工(gong)
地址(zhi):山東(dong)省威(wei)海市羊亭孫家灘工業園
主營:液壓缸(gang),油缸(gang),液壓系統
業務熱線:
QQ:3049278720
YHG1型(xing)冶金設(she)備標準液壓缸
Y-HG1型冶(ye)金設備標準液壓缸(gang),為(wei)(wei)雙(shuang)作用(yong)單活(huo)(huo)塞桿液壓缸(gang),缸(gang)徑從40~320mm共有17種(zhong)規格,額(e)定壓力為(wei)(wei)16MPa,可(ke)以帶緩沖裝置。該系列液壓缸(gang)有13種(zhong)安(an)裝連(lian)接(jie)型式(shi),除軸向腳架式(shi)外,安(an)裝連(lian)裝尺寸均符合(he)ISO6021/1-1981的(de)(de)規定。活(huo)(huo)塞桿端螺紋(wen)亦符合(he)GB2350-80的(de)(de)規定。適用(yong)于工作溫度為(wei)(wei)-30C~+80C,工作介質為(wei)(wei)液壓油(you),乳化液的(de)(de)冶(ye)金設備(不適用(yong)于磷酸脂(zhi))。





液壓缸(gang)結構基本上可以(yi)分(fen)為(wei)缸(gang)筒和(he)缸(gang)蓋(gai)、活塞和(he)活塞桿、密封裝置(zhi)(zhi)、緩沖裝置(zhi)(zhi)和(he)排氣(qi)裝置(zhi)(zhi)五個部分(fen)。今天威海力建小編(bian)著重(zhong)帶著大家了解(jie)一(yi)下(xia)缸(gang)筒和(he)缸(gang)蓋(gai)。
缸筒和缸蓋(gai)
一般來(lai)說,缸(gang)筒(tong)(tong)和缸(gang)蓋的結(jie)構形(xing)式和其使(shi)用(yong)的材料有(you)關。工(gong)(gong)作壓力p<10MPa時(shi),使(shi)用(yong)鑄(zhu)鐵;p<20MPa時(shi),使(shi)用(yong)無縫鋼(gang)管;p>20MPa時(shi),使(shi)用(yong)鑄(zhu)鋼(gang)或鍛(duan)鋼(gang)。法蘭連(lian)(lian)接式,結(jie)構簡(jian)單,容易加(jia)(jia)(jia)工(gong)(gong),也容易裝(zhuang)拆,但(dan)外形(xing)尺寸和重(zhong)(zhong)量都(dou)較(jiao)(jiao)大,常用(yong)于鑄(zhu)鐵制(zhi)的缸(gang)筒(tong)(tong)上(shang)。半環連(lian)(lian)接式,它的缸(gang)筒(tong)(tong)壁(bi)部因(yin)開了環形(xing)槽而削(xue)弱了強度,為此(ci)有(you)時(shi)要(yao)加(jia)(jia)(jia)厚(hou)缸(gang)壁(bi),它容易加(jia)(jia)(jia)工(gong)(gong)和裝(zhuang)拆,重(zhong)(zhong)量較(jiao)(jiao)輕,常用(yong)于無縫鋼(gang)管或鍛(duan)鋼(gang)制(zhi)的缸(gang)筒(tong)(tong)上(shang)。螺(luo)紋連(lian)(lian)接式,它的缸(gang)筒(tong)(tong)端(duan)部結(jie)構復(fu)雜,外徑(jing)加(jia)(jia)(jia)工(gong)(gong)時(shi)要(yao)求(qiu)保證內外徑(jing)同心,裝(zhuang)拆要(yao)使(shi)用(yong)工(gong)(gong)具,它的外形(xing)尺寸和重(zhong)(zhong)量都(dou)較(jiao)(jiao)小,常用(yong)于無縫鋼(gang)管或鑄(zhu)鋼(gang)制(zhi)的缸(gang)筒(tong)(tong)上(shang)。拉(la)桿連(lian)(lian)接式,結(jie)構的通(tong)用(yong)性大,容易加(jia)(jia)(jia)工(gong)(gong)和裝(zhuang)拆,但(dan)外形(xing)尺寸較(jiao)(jiao)大,且(qie)較(jiao)(jiao)重(zhong)(zhong)。焊接連(lian)(lian)接式,結(jie)構簡(jian)單,尺寸小,但(dan)缸(gang)底處內徑(jing)不易加(jia)(jia)(jia)工(gong)(gong),且(qie)可能引起變形(xing)。
零部件加工(gong)(gong)精(jing)度(du)(du)(du)的影響問題,在(zai)液(ye)壓(ya)缸(gang)的制造(zao)過程中(zhong)應嚴格控制缸(gang)體(ti)(ti)內(nei)壁和活(huo)塞(sai)桿表(biao)面(mian)加工(gong)(gong)精(jing)度(du)(du)(du),特別是幾(ji)何(he)精(jing)度(du)(du)(du),尤(you)其直(zhi)(zhi)(zhi)線度(du)(du)(du)是關鍵,在(zai)國(guo)(guo)內(nei)加工(gong)(gong)工(gong)(gong)藝中(zhong),活(huo)塞(sai)桿表(biao)面(mian)的加工(gong)(gong)基(ji)本(ben)上是車后磨削(xue)(xue),保證(zheng)直(zhi)(zhi)(zhi)線度(du)(du)(du)問題不(bu)大,但對(dui)于缸(gang)體(ti)(ti)內(nei)壁的加工(gong)(gong),其加工(gong)(gong)方法(fa)很多,有鏜削(xue)(xue)-滾(gun)壓(ya)、鏜削(xue)(xue)-珩磨、直(zhi)(zhi)(zhi)接(jie)珩磨等,但由于國(guo)(guo)內(nei)材料(liao)的基(ji)礎水平(ping)較(jiao)國(guo)(guo)外有差距(ju),管(guan)材坯料(liao)直(zhi)(zhi)(zhi)線度(du)(du)(du)差,壁厚不(bu)均(jun)勻、硬度(du)(du)(du)不(bu)均(jun)勻等因(yin)素,往(wang)(wang)往(wang)(wang)直(zhi)(zhi)(zhi)接(jie)影響缸(gang)體(ti)(ti)內(nei)壁加工(gong)(gong)后的直(zhi)(zhi)(zhi)線度(du)(du)(du),因(yin)此(ci)建(jian)議采(cai)用鏜削(xue)(xue)-滾(gun)壓(ya)、鏜削(xue)(xue)-珩磨工(gong)(gong)藝,如直(zhi)(zhi)(zhi)接(jie)珩磨,則必須首(shou)先提(ti)高管(guan)材坯料(liao)的直(zhi)(zhi)(zhi)線度(du)(du)(du)。
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在允許(xu)的(de)(de)情(qing)況下(xia)(xia),液壓(ya)缸(gang)的(de)(de)缸(gang)體(ti)壁厚安全系(xi)數(shu)盡量選大一些,使(shi)缸(gang)體(ti)厚壁增加,特別是高(gao)壓(ya)工況下(xia)(xia)使(shi)用的(de)(de)油缸(gang),以(yi)減小油壓(ya)下(xia)(xia)的(de)(de)缸(gang)體(ti)變形,變形后的(de)(de)缸(gang)體(ti)也會(hui)引起液壓(ya)缸(gang)低速爬行。