
威海力建液(ye)壓設備廠(chang)
經營模(mo)式(shi):生產加工
地(di)址:山東省威海市(shi)羊亭(ting)孫家灘(tan)工業(ye)園
主營:液(ye)壓缸,油缸,液(ye)壓系(xi)統
業務熱線:
QQ:3049278720
① 裝配時(shi)混入(ru)異物造(zao)成(cheng)傷痕液(ye)壓缸在總組裝前,所(suo)有零(ling)件必須充分去除(chu)毛(mao)刺并洗凈, 零(ling)件上帶有毛(mao)刺或臟物進行安裝時(shi),由于(yu)'別勁'及零(ling)件自(zi)重,異物易嵌(qian)進缸壁表面,造(zao)成(cheng)傷痕。
② 安(an)裝零(ling)(ling)件中發(fa)生的(de)傷痕液壓缸(gang)安(an)裝時(shi),活塞(sai)及(ji)缸(gang)蓋等零(ling)(ling)件質(zhi)量(liang)大(da)、尺寸(cun)大(da)、慣性(xing)大(da),即使有起重設備輔助安(an)裝,由于規定(ding)配(pei)合間隙都較(jiao)小(xiao),無論(lun)怎(zen)樣均會別勁(jing)投入,





③ 從管路(lu)進(jin)入的異物,有多種(zhong)情況(kuang)。
a.清洗(xi)(xi)(xi)時(shi)不(bu)注意。管(guan)路安裝(zhuang)好(hao)以后進行清洗(xi)(xi)(xi)時(shi),不(bu)應(ying)通(tong)過(guo)缸(gang)(gang)體,必(bi)須在缸(gang)(gang)體的油口前邊(bian)加裝(zhuang)旁通(tong)管(guan)路。這一點很重(zhong)要。否(fou)則,管(guan)路中(zhong)的異(yi)物(wu)將(jiang)進入缸(gang)(gang)內,一旦進入,即難(nan)以向外排除,反而(er)變成向缸(gang)(gang)體內輸送異(yi)物(wu)了。再者,清洗(xi)(xi)(xi)時(shi)要考慮安裝(zhuang)管(guan)路操作(zuo)中(zhong)所進異(yi)物(wu)的取出方法。此外,對管(guan)內的腐蝕等在管(guan)路安裝(zhuang)之(zhi)前即應(ying)進行酸洗(xi)(xi)(xi)等手續,必(bi)須完全去(qu)掉銹蝕。
零部件(jian)加(jia)(jia)工(gong)(gong)(gong)(gong)(gong)精(jing)度(du)(du)(du)(du)的(de)影響問題,在(zai)液(ye)壓缸(gang)(gang)的(de)制造過程(cheng)中應嚴(yan)格控(kong)制缸(gang)(gang)體(ti)(ti)內壁和活(huo)塞(sai)桿(gan)表(biao)面加(jia)(jia)工(gong)(gong)(gong)(gong)(gong)精(jing)度(du)(du)(du)(du),特別(bie)是幾何精(jing)度(du)(du)(du)(du),尤其直線(xian)(xian)度(du)(du)(du)(du)是關鍵(jian),在(zai)國(guo)內加(jia)(jia)工(gong)(gong)(gong)(gong)(gong)工(gong)(gong)(gong)(gong)(gong)藝(yi)中,活(huo)塞(sai)桿(gan)表(biao)面的(de)加(jia)(jia)工(gong)(gong)(gong)(gong)(gong)基(ji)本上是車后(hou)(hou)磨(mo)削(xue)(xue),保證直線(xian)(xian)度(du)(du)(du)(du)問題不(bu)大,但對于(yu)(yu)缸(gang)(gang)體(ti)(ti)內壁的(de)加(jia)(jia)工(gong)(gong)(gong)(gong)(gong),其加(jia)(jia)工(gong)(gong)(gong)(gong)(gong)方法很多,有鏜削(xue)(xue)-滾壓、鏜削(xue)(xue)-珩(heng)磨(mo)、直接珩(heng)磨(mo)等(deng),但由(you)于(yu)(yu)國(guo)內材(cai)料的(de)基(ji)礎水(shui)平較國(guo)外有差距,管材(cai)坯料直線(xian)(xian)度(du)(du)(du)(du)差,壁厚不(bu)均勻、硬度(du)(du)(du)(du)不(bu)均勻等(deng)因(yin)素,往往直接影響缸(gang)(gang)體(ti)(ti)內壁加(jia)(jia)工(gong)(gong)(gong)(gong)(gong)后(hou)(hou)的(de)直線(xian)(xian)度(du)(du)(du)(du),因(yin)此建議采用鏜削(xue)(xue)-滾壓、鏜削(xue)(xue)-珩(heng)磨(mo)工(gong)(gong)(gong)(gong)(gong)藝(yi),如直接珩(heng)磨(mo),則必須(xu)首先(xian)提(ti)高(gao)管材(cai)坯料的(de)直線(xian)(xian)度(du)(du)(du)(du)。
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在允許的(de)(de)情況下,液壓(ya)缸(gang)(gang)的(de)(de)缸(gang)(gang)體(ti)壁(bi)厚安全系數盡量選大一些,使(shi)缸(gang)(gang)體(ti)厚壁(bi)增加,特別(bie)是高壓(ya)工況下使(shi)用的(de)(de)油缸(gang)(gang),以(yi)減小油壓(ya)下的(de)(de)缸(gang)(gang)體(ti)變(bian)形,變(bian)形后(hou)的(de)(de)缸(gang)(gang)體(ti)也會(hui)引起(qi)液壓(ya)缸(gang)(gang)低速爬行。