
威海力建液壓設備(bei)廠
經(jing)營模式:生產(chan)加工
地址(zhi):山東省威海(hai)市羊亭孫家灘工(gong)業園
主營:液(ye)壓缸,油缸,液(ye)壓系(xi)統
業(ye)務(wu)熱線:
QQ:3049278720
液壓缸的分類
液壓(ya)缸的結構形式(shi)(shi)(shi)多種多樣,其分(fen)(fen)類(lei)方(fang)法也(ye)有多種:按運動方(fang)式(shi)(shi)(shi)可(ke)分(fen)(fen)為(wei)(wei)直線往復(fu)運動式(shi)(shi)(shi)和回轉擺(bai)動式(shi)(shi)(shi);按受液壓(ya)力作(zuo)用情況可(ke)分(fen)(fen)為(wei)(wei)單作(zuo)用式(shi)(shi)(shi)、雙作(zuo)用式(shi)(shi)(shi);按結構形式(shi)(shi)(shi)可(ke)分(fen)(fen)為(wei)(wei)活塞(sai)式(shi)(shi)(shi)、柱塞(sai)式(shi)(shi)(shi)、多級(ji)伸縮套筒(tong)式(shi)(shi)(shi),齒(chi)輪齒(chi)條式(shi)(shi)(shi)等;按安裝形式(shi)(shi)(shi)可(ke)分(fen)(fen)為(wei)(wei)拉桿、耳(er)環、底腳、鉸(jiao)軸等;按壓(ya)力等級(ji)可(ke)分(fen)(fen)為(wei)(wei)16Mpa、25Mpa、31.5Mpa等。(威海力建冶金液壓(ya)設備(bei)廠)





③ 從(cong)管路進入的異物,有多(duo)種(zhong)情況(kuang)。
a.清洗時不(bu)注意。管(guan)(guan)路(lu)安裝好以后進行(xing)清洗時,不(bu)應(ying)通(tong)過缸(gang)(gang)(gang)體(ti)(ti),必須(xu)在(zai)缸(gang)(gang)(gang)體(ti)(ti)的(de)油口前(qian)邊加裝旁(pang)通(tong)管(guan)(guan)路(lu)。這一點很重要(yao)(yao)。否則,管(guan)(guan)路(lu)中(zhong)的(de)異物(wu)(wu)將(jiang)進入(ru)缸(gang)(gang)(gang)內,一旦進入(ru),即難(nan)以向外排除,反而變成向缸(gang)(gang)(gang)體(ti)(ti)內輸(shu)送異物(wu)(wu)了。再者(zhe),清洗時要(yao)(yao)考慮(lv)安裝管(guan)(guan)路(lu)操作(zuo)中(zhong)所進異物(wu)(wu)的(de)取出方法。此外,對管(guan)(guan)內的(de)腐蝕等在(zai)管(guan)(guan)路(lu)安裝之前(qian)即應(ying)進行(xing)酸洗等手續(xu),必須(xu)完全去(qu)掉銹(xiu)蝕。
零部件加(jia)工(gong)(gong)(gong)精(jing)度(du)的(de)影(ying)響問題,在液(ye)壓(ya)缸(gang)(gang)(gang)的(de)制(zhi)造過(guo)程中(zhong)應嚴格控(kong)制(zhi)缸(gang)(gang)(gang)體(ti)內(nei)(nei)壁(bi)和活塞桿(gan)表面(mian)加(jia)工(gong)(gong)(gong)精(jing)度(du),特(te)別是幾何精(jing)度(du),尤其(qi)直(zhi)(zhi)線度(du)是關鍵(jian),在國(guo)內(nei)(nei)加(jia)工(gong)(gong)(gong)工(gong)(gong)(gong)藝中(zhong),活塞桿(gan)表面(mian)的(de)加(jia)工(gong)(gong)(gong)基本上(shang)是車(che)后磨(mo)削(xue)(xue)(xue)(xue),保證直(zhi)(zhi)線度(du)問題不(bu)(bu)大(da),但對于(yu)缸(gang)(gang)(gang)體(ti)內(nei)(nei)壁(bi)的(de)加(jia)工(gong)(gong)(gong),其(qi)加(jia)工(gong)(gong)(gong)方法很多,有鏜(tang)削(xue)(xue)(xue)(xue)-滾(gun)壓(ya)、鏜(tang)削(xue)(xue)(xue)(xue)-珩(heng)磨(mo)、直(zhi)(zhi)接(jie)珩(heng)磨(mo)等,但由于(yu)國(guo)內(nei)(nei)材料的(de)基礎水平較(jiao)國(guo)外(wai)有差距,管(guan)材坯料直(zhi)(zhi)線度(du)差,壁(bi)厚不(bu)(bu)均(jun)勻、硬(ying)度(du)不(bu)(bu)均(jun)勻等因(yin)素,往(wang)往(wang)直(zhi)(zhi)接(jie)影(ying)響缸(gang)(gang)(gang)體(ti)內(nei)(nei)壁(bi)加(jia)工(gong)(gong)(gong)后的(de)直(zhi)(zhi)線度(du),因(yin)此建議采(cai)用鏜(tang)削(xue)(xue)(xue)(xue)-滾(gun)壓(ya)、鏜(tang)削(xue)(xue)(xue)(xue)-珩(heng)磨(mo)工(gong)(gong)(gong)藝,如(ru)直(zhi)(zhi)接(jie)珩(heng)磨(mo),則必須首先提高管(guan)材坯料的(de)直(zhi)(zhi)線度(du)。
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在(zai)允許(xu)的(de)(de)情(qing)況(kuang)下,液壓(ya)缸(gang)的(de)(de)缸(gang)體壁(bi)厚安全系數(shu)盡量選大一些(xie),使(shi)缸(gang)體厚壁(bi)增加,特別是高壓(ya)工況(kuang)下使(shi)用的(de)(de)油(you)缸(gang),以減小油(you)壓(ya)下的(de)(de)缸(gang)體變(bian)形,變(bian)形后(hou)的(de)(de)缸(gang)體也會引(yin)起液壓(ya)缸(gang)低速爬行(xing)。