
威海力建液壓(ya)設備(bei)廠
經(jing)營模式:生(sheng)產加工(gong)
地(di)址:山東省威海市羊亭孫家灘(tan)工業(ye)園
主營:液壓(ya)缸,油缸,液壓(ya)系統
業務熱線:
QQ:3049278720
③ 缸體內(nei)表面所(suo)鍍硬(ying)(ying)鉻層(ceng)發生(sheng)剝離(li)一般認為,電鍍硬(ying)(ying)鉻層(ceng)發生(sheng)剝離(li)的原(yuan)因(yin)如下。
a.電(dian)鍍層黏結(jie)不好。電(dian)鍍層黏結(jie)不好的(de)主(zhu)要原(yuan)因是(shi):電(dian)鍍前,零件(jian)的(de)除油脫脂處理(li)不充分(fen);零件(jian)表面(mian)活化(hua)處理(li)不干凈(jing),氧化(hua)膜層未去除掉(diao)。
b.硬輅層磨(mo)損。電鍍硬鉻(ge)層的(de)(de)磨(mo)損,多數是由于活塞(sai)的(de)(de)摩擦鐵粉(fen)的(de)(de)研(yan)磨(mo)作用(yong)造成(cheng)的(de)(de), 中間夾有水分時(shi),磨(mo)損更(geng)快。(威海(hai)力(li)建冶金(jin)液壓設(she)備廠)





叉車起升缸活塞(sai)桿動作慢、起升時門架有間斷或沖擊
故(gu)障檢(jian)查(cha)1:系統油量不足
故障排除:加油(you)至油(you)標線
故(gu)障(zhang)檢查(cha)2:密封(feng)不良、油管連接(jie)不緊造成漏油、油管損壞
故障排除:加(jia)密封(feng),擰緊管接頭,更換油管
故(gu)(gu)障檢(jian)查3:油泵故(gu)(gu)障致供(gong)油不足(zu)
故障排除:修理或更換油泵
故障檢查4:安全(quan)閥調整(zheng)不當或損壞
故障(zhang)排除:調整或修理安全閥(fa)
故(gu)障檢查5:液壓(ya)過濾器(qi)堵塞
故障排除:清洗或更換液壓油濾清器
故障檢查6:液壓系統中有空氣
故障排(pai)除:將空氣排(pai)除
零(ling)部件加工(gong)(gong)(gong)(gong)精度(du)(du)(du)的(de)影響問題,在(zai)液(ye)壓(ya)缸(gang)的(de)制造過(guo)程(cheng)中(zhong)應嚴格控制缸(gang)體(ti)內(nei)(nei)壁(bi)和活塞(sai)桿表(biao)面加工(gong)(gong)(gong)(gong)精度(du)(du)(du),特別(bie)是幾何(he)精度(du)(du)(du),尤其(qi)直(zhi)線(xian)度(du)(du)(du)是關鍵,在(zai)國內(nei)(nei)加工(gong)(gong)(gong)(gong)工(gong)(gong)(gong)(gong)藝(yi)中(zhong),活塞(sai)桿表(biao)面的(de)加工(gong)(gong)(gong)(gong)基(ji)本上是車后(hou)磨(mo)削,保證直(zhi)線(xian)度(du)(du)(du)問題不大(da),但對于缸(gang)體(ti)內(nei)(nei)壁(bi)的(de)加工(gong)(gong)(gong)(gong),其(qi)加工(gong)(gong)(gong)(gong)方法很多,有(you)鏜(tang)削-滾壓(ya)、鏜(tang)削-珩(heng)(heng)磨(mo)、直(zhi)接珩(heng)(heng)磨(mo)等,但由于國內(nei)(nei)材(cai)料的(de)基(ji)礎水平較國外有(you)差距,管材(cai)坯料直(zhi)線(xian)度(du)(du)(du)差,壁(bi)厚(hou)不均勻(yun)、硬度(du)(du)(du)不均勻(yun)等因素,往往直(zhi)接影響缸(gang)體(ti)內(nei)(nei)壁(bi)加工(gong)(gong)(gong)(gong)后(hou)的(de)直(zhi)線(xian)度(du)(du)(du),因此建議采(cai)用鏜(tang)削-滾壓(ya)、鏜(tang)削-珩(heng)(heng)磨(mo)工(gong)(gong)(gong)(gong)藝(yi),如直(zhi)接珩(heng)(heng)磨(mo),則必須首(shou)先(xian)提高管材(cai)坯料的(de)直(zhi)線(xian)度(du)(du)(du)。
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在允(yun)許的情況(kuang)下,液(ye)壓(ya)缸(gang)(gang)的缸(gang)(gang)體(ti)壁厚(hou)安全系數盡(jin)量選大一些,使(shi)缸(gang)(gang)體(ti)厚(hou)壁增(zeng)加,特別是高壓(ya)工況(kuang)下使(shi)用(yong)的油(you)缸(gang)(gang),以減小油(you)壓(ya)下的缸(gang)(gang)體(ti)變形(xing),變形(xing)后(hou)的缸(gang)(gang)體(ti)也(ye)會引(yin)起液(ye)壓(ya)缸(gang)(gang)低速爬行。