
威海力建液壓設備廠
經(jing)營(ying)模(mo)式(shi):生產加(jia)工
地址:山東省威海市羊亭(ting)孫家(jia)灘工業園
主營:液壓缸,油缸,液壓系統
業務熱線:
QQ:3049278720
③ 缸體(ti)內表面所鍍(du)硬鉻層(ceng)(ceng)發(fa)生(sheng)剝(bo)離一般認(ren)為(wei),電(dian)鍍(du)硬鉻層(ceng)(ceng)發(fa)生(sheng)剝(bo)離的原(yuan)因如下。
a.電(dian)鍍(du)(du)層黏結(jie)不好(hao)。電(dian)鍍(du)(du)層黏結(jie)不好(hao)的(de)主要原因是:電(dian)鍍(du)(du)前,零件的(de)除油脫脂處理(li)(li)不充分;零件表面(mian)活(huo)化處理(li)(li)不干凈,氧化膜層未去除掉。
b.硬輅層(ceng)磨(mo)(mo)損。電(dian)鍍硬鉻層(ceng)的(de)磨(mo)(mo)損,多數(shu)是由于活塞的(de)摩擦鐵粉(fen)的(de)研磨(mo)(mo)作用造(zao)成的(de), 中(zhong)間夾有(you)水分(fen)時,磨(mo)(mo)損更快。(威海力建(jian)冶金液壓設備(bei)廠)





叉車(che)起(qi)升(sheng)缸(gang)活塞桿動作慢(man)、起(qi)升(sheng)時門架有間斷(duan)或沖擊
故障檢(jian)查1:系統油量不足
故障(zhang)排除(chu):加油(you)至油(you)標線
故障檢查2:密(mi)封不(bu)良、油(you)管連(lian)接不(bu)緊造(zao)成漏油(you)、油(you)管損壞
故障(zhang)排除:加密封,擰(ning)緊(jin)管(guan)接頭(tou),更換油(you)管(guan)
故(gu)障(zhang)檢查3:油(you)泵故(gu)障(zhang)致供油(you)不足
故障排除:修理或更換油泵
故障檢查4:安全閥調整不當或(huo)損壞(huai)
故(gu)障排除:調整或(huo)修理安全閥
故障(zhang)檢(jian)查5:液壓過濾器(qi)堵塞
故障排(pai)除:清洗或更換液壓油濾(lv)清器
故障檢查6:液壓系統中有空氣
故障排除(chu):將空氣排除(chu)
零部件加(jia)(jia)工(gong)(gong)(gong)(gong)精度(du)(du)的影響問題(ti),在液壓(ya)(ya)缸的制造過(guo)程中應(ying)嚴格控制缸體(ti)(ti)內壁和活(huo)塞桿表面加(jia)(jia)工(gong)(gong)(gong)(gong)精度(du)(du),特別是(shi)(shi)幾何精度(du)(du),尤(you)其(qi)直(zhi)(zhi)線(xian)(xian)度(du)(du)是(shi)(shi)關鍵,在國(guo)(guo)(guo)內加(jia)(jia)工(gong)(gong)(gong)(gong)工(gong)(gong)(gong)(gong)藝(yi)中,活(huo)塞桿表面的加(jia)(jia)工(gong)(gong)(gong)(gong)基本上是(shi)(shi)車后磨(mo)(mo)(mo)削(xue),保(bao)證直(zhi)(zhi)線(xian)(xian)度(du)(du)問題(ti)不大,但對于缸體(ti)(ti)內壁的加(jia)(jia)工(gong)(gong)(gong)(gong),其(qi)加(jia)(jia)工(gong)(gong)(gong)(gong)方(fang)法很多,有鏜削(xue)-滾(gun)壓(ya)(ya)、鏜削(xue)-珩(heng)磨(mo)(mo)(mo)、直(zhi)(zhi)接(jie)珩(heng)磨(mo)(mo)(mo)等(deng),但由于國(guo)(guo)(guo)內材(cai)料(liao)(liao)的基礎水平較國(guo)(guo)(guo)外有差(cha)距(ju),管材(cai)坯(pi)料(liao)(liao)直(zhi)(zhi)線(xian)(xian)度(du)(du)差(cha),壁厚不均(jun)勻、硬度(du)(du)不均(jun)勻等(deng)因(yin)素,往往直(zhi)(zhi)接(jie)影響缸體(ti)(ti)內壁加(jia)(jia)工(gong)(gong)(gong)(gong)后的直(zhi)(zhi)線(xian)(xian)度(du)(du),因(yin)此建議采用鏜削(xue)-滾(gun)壓(ya)(ya)、鏜削(xue)-珩(heng)磨(mo)(mo)(mo)工(gong)(gong)(gong)(gong)藝(yi),如直(zhi)(zhi)接(jie)珩(heng)磨(mo)(mo)(mo),則必須(xu)首先提(ti)高(gao)管材(cai)坯(pi)料(liao)(liao)的直(zhi)(zhi)線(xian)(xian)度(du)(du)。
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在允許的情(qing)況(kuang)下(xia),液壓(ya)缸(gang)(gang)(gang)的缸(gang)(gang)(gang)體(ti)壁厚安(an)全系數盡量選大一些(xie),使缸(gang)(gang)(gang)體(ti)厚壁增(zeng)加(jia),特(te)別(bie)是高壓(ya)工況(kuang)下(xia)使用(yong)的油(you)缸(gang)(gang)(gang),以(yi)減(jian)小油(you)壓(ya)下(xia)的缸(gang)(gang)(gang)體(ti)變形(xing),變形(xing)后的缸(gang)(gang)(gang)體(ti)也會引(yin)起液壓(ya)缸(gang)(gang)(gang)低速爬行。