
威海力建液壓設(she)備廠
經營模式(shi):生產加工
地址:山(shan)東省威海市(shi)羊亭孫家(jia)灘工業園(yuan)
主營:液壓(ya)缸,油(you)缸,液壓(ya)系統
業務熱(re)線:
QQ:3049278720
液壓缸的分類
液壓(ya)缸的結構形(xing)(xing)(xing)式(shi)(shi)(shi)多(duo)種多(duo)樣,其(qi)分(fen)(fen)(fen)類方(fang)法也有多(duo)種:按(an)運動方(fang)式(shi)(shi)(shi)可(ke)(ke)(ke)分(fen)(fen)(fen)為(wei)(wei)直線往復運動式(shi)(shi)(shi)和回轉擺動式(shi)(shi)(shi);按(an)受液壓(ya)力(li)作用(yong)情況(kuang)可(ke)(ke)(ke)分(fen)(fen)(fen)為(wei)(wei)單作用(yong)式(shi)(shi)(shi)、雙作用(yong)式(shi)(shi)(shi);按(an)結構形(xing)(xing)(xing)式(shi)(shi)(shi)可(ke)(ke)(ke)分(fen)(fen)(fen)為(wei)(wei)活塞式(shi)(shi)(shi)、柱塞式(shi)(shi)(shi)、多(duo)級(ji)伸縮(suo)套筒式(shi)(shi)(shi),齒(chi)輪齒(chi)條式(shi)(shi)(shi)等;按(an)安裝(zhuang)形(xing)(xing)(xing)式(shi)(shi)(shi)可(ke)(ke)(ke)分(fen)(fen)(fen)為(wei)(wei)拉桿、耳環、底腳、鉸軸等;按(an)壓(ya)力(li)等級(ji)可(ke)(ke)(ke)分(fen)(fen)(fen)為(wei)(wei)16Mpa、25Mpa、31.5Mpa等。(威海力(li)建(jian)冶(ye)金液壓(ya)設備廠)





這樣,活(huo)(huo)塞在(zai)液壓缸(gang)內工作時,摩擦阻力會時大時小,產生(sheng)滑移或爬(pa)行。排除(chu)辦(ban)法是(shi)先修磨液壓缸(gang),再按(an)配(pei)(pei)合要求配(pei)(pei)制活(huo)(huo)塞,修磨活(huo)(huo)塞桿(gan),配(pei)(pei)置導向套。
(3)液壓(ya)泵或液壓(ya)缸進入空(kong)氣(qi)。空(kong)氣(qi)壓(ya)縮或膨脹會(hui)造成活塞滑移(yi)或爬(pa)行。排(pai)除(chu)措施(shi)是檢查液壓(ya)泵,設置(zhi)專門的排(pai)氣(qi)裝(zhuang)置(zhi),快速操作(zuo)全(quan)行程往返數次排(pai)氣(qi)。
(4)密封件質量與滑(hua)移或爬(pa)行有直接關系(xi)。
零部件加(jia)(jia)工(gong)(gong)(gong)(gong)精(jing)(jing)度(du)(du)的(de)(de)影響問題,在(zai)液壓(ya)缸的(de)(de)制(zhi)造過程中應嚴格控制(zhi)缸體(ti)內(nei)(nei)壁(bi)(bi)(bi)和活塞(sai)(sai)桿(gan)表面加(jia)(jia)工(gong)(gong)(gong)(gong)精(jing)(jing)度(du)(du),特別是幾何精(jing)(jing)度(du)(du),尤(you)其(qi)直(zhi)線(xian)度(du)(du)是關鍵,在(zai)國內(nei)(nei)加(jia)(jia)工(gong)(gong)(gong)(gong)工(gong)(gong)(gong)(gong)藝中,活塞(sai)(sai)桿(gan)表面的(de)(de)加(jia)(jia)工(gong)(gong)(gong)(gong)基本上是車后磨削,保證直(zhi)線(xian)度(du)(du)問題不大,但(dan)對(dui)于(yu)缸體(ti)內(nei)(nei)壁(bi)(bi)(bi)的(de)(de)加(jia)(jia)工(gong)(gong)(gong)(gong),其(qi)加(jia)(jia)工(gong)(gong)(gong)(gong)方法很多,有鏜削-滾壓(ya)、鏜削-珩磨、直(zhi)接珩磨等(deng),但(dan)由(you)于(yu)國內(nei)(nei)材料的(de)(de)基礎水平較(jiao)國外有差距,管材坯(pi)料直(zhi)線(xian)度(du)(du)差,壁(bi)(bi)(bi)厚不均(jun)勻、硬(ying)度(du)(du)不均(jun)勻等(deng)因素,往往直(zhi)接影響缸體(ti)內(nei)(nei)壁(bi)(bi)(bi)加(jia)(jia)工(gong)(gong)(gong)(gong)后的(de)(de)直(zhi)線(xian)度(du)(du),因此建(jian)議采用鏜削-滾壓(ya)、鏜削-珩磨工(gong)(gong)(gong)(gong)藝,如直(zhi)接珩磨,則必須首先提高管材坯(pi)料的(de)(de)直(zhi)線(xian)度(du)(du)。
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在允(yun)許(xu)的(de)情況下(xia),液(ye)壓缸的(de)缸體(ti)(ti)壁厚安全系數盡量選(xuan)大(da)一些(xie),使(shi)缸體(ti)(ti)厚壁增加,特別是高壓工況下(xia)使(shi)用的(de)油缸,以減小油壓下(xia)的(de)缸體(ti)(ti)變(bian)形,變(bian)形后的(de)缸體(ti)(ti)也會(hui)引(yin)起液(ye)壓缸低速爬(pa)行。