
威海力建(jian)液(ye)壓設備(bei)廠
經營(ying)模式(shi):生產加工
地址:山(shan)東省威海市羊亭孫家(jia)灘工業園
主營:液壓缸,油缸,液壓系統
業務熱(re)線:
QQ:3049278720
(3)液(ye)壓系統控(kong)(kong)制(zhi)壓力(li)太低(di)。控(kong)(kong)制(zhi)管路中節流阻力(li)可能過(guo)大(da),流量閥調節不當,控(kong)(kong)制(zhi)壓力(li)不合適,壓力(li)源受(shou)到干擾(rao)。此時(shi)應(ying)檢(jian)查控(kong)(kong)制(zhi)壓力(li)源,保證壓力(li)調節到系統的規定值。
(4)液壓系(xi)統中進入空氣。主要是(shi)因為系(xi)統中有泄(xie)漏發生。此時應(ying)檢查液壓油(you)箱的液位(wei),液壓泵吸油(you)側的密封件和管接頭,吸油(you)粗(cu)濾器是(shi)否(fou)太臟。若(ruo)如(ru)此,應(ying)補(bu)充液壓油(you),處理密封及管接頭,清洗或更換粗(cu)濾芯(xin)。





③ 缸體內表面所鍍硬鉻層發(fa)生(sheng)(sheng)剝(bo)離一般認(ren)為,電(dian)鍍硬鉻層發(fa)生(sheng)(sheng)剝(bo)離的(de)原(yuan)因如(ru)下。
a.電(dian)鍍(du)(du)層(ceng)(ceng)黏結(jie)不好(hao)。電(dian)鍍(du)(du)層(ceng)(ceng)黏結(jie)不好(hao)的(de)主要原因是:電(dian)鍍(du)(du)前,零件(jian)的(de)除油脫脂處(chu)理不充(chong)分;零件(jian)表面活化處(chu)理不干凈(jing),氧化膜層(ceng)(ceng)未去除掉。
b.硬(ying)(ying)輅層磨(mo)(mo)損。電鍍硬(ying)(ying)鉻層的(de)(de)磨(mo)(mo)損,多數是由于活塞的(de)(de)摩(mo)擦鐵粉的(de)(de)研磨(mo)(mo)作用造成的(de)(de), 中間夾有水分時,磨(mo)(mo)損更快。(威海力建(jian)冶金液壓設備廠(chang))
液壓缸(gang)結構基(ji)本上可以分為(wei)缸(gang)筒(tong)和(he)缸(gang)蓋、活(huo)塞和(he)活(huo)塞桿、密封(feng)裝置、緩(huan)沖(chong)裝置和(he)排氣裝置五個(ge)部分。今天威(wei)海力建小(xiao)編著(zhu)重帶著(zhu)大家了解一下(xia)缸(gang)筒(tong)和(he)缸(gang)蓋。
缸筒和缸蓋
一(yi)般來說,缸(gang)筒(tong)(tong)(tong)和缸(gang)蓋(gai)的結(jie)構(gou)形(xing)式(shi)和其使(shi)用(yong)(yong)的材料(liao)有(you)關。工(gong)(gong)作壓力p<10MPa時,使(shi)用(yong)(yong)鑄(zhu)鐵(tie);p<20MPa時,使(shi)用(yong)(yong)無(wu)縫(feng)鋼(gang)(gang)管(guan);p>20MPa時,使(shi)用(yong)(yong)鑄(zhu)鋼(gang)(gang)或鍛鋼(gang)(gang)。法(fa)蘭連(lian)接(jie)(jie)式(shi),結(jie)構(gou)簡單(dan),容(rong)易(yi)加(jia)(jia)(jia)工(gong)(gong),也容(rong)易(yi)裝(zhuang)拆,但外(wai)(wai)形(xing)尺寸(cun)和重量都(dou)較大,常用(yong)(yong)于(yu)鑄(zhu)鐵(tie)制的缸(gang)筒(tong)(tong)(tong)上。半環(huan)連(lian)接(jie)(jie)式(shi),它(ta)(ta)的缸(gang)筒(tong)(tong)(tong)壁(bi)部(bu)因開(kai)了(le)環(huan)形(xing)槽(cao)而(er)削(xue)弱了(le)強度,為此有(you)時要加(jia)(jia)(jia)厚(hou)缸(gang)壁(bi),它(ta)(ta)容(rong)易(yi)加(jia)(jia)(jia)工(gong)(gong)和裝(zhuang)拆,重量較輕,常用(yong)(yong)于(yu)無(wu)縫(feng)鋼(gang)(gang)管(guan)或鍛鋼(gang)(gang)制的缸(gang)筒(tong)(tong)(tong)上。螺紋(wen)連(lian)接(jie)(jie)式(shi),它(ta)(ta)的缸(gang)筒(tong)(tong)(tong)端(duan)部(bu)結(jie)構(gou)復雜,外(wai)(wai)徑(jing)加(jia)(jia)(jia)工(gong)(gong)時要求保證內外(wai)(wai)徑(jing)同心,裝(zhuang)拆要使(shi)用(yong)(yong)工(gong)(gong)具,它(ta)(ta)的外(wai)(wai)形(xing)尺寸(cun)和重量都(dou)較小(xiao),常用(yong)(yong)于(yu)無(wu)縫(feng)鋼(gang)(gang)管(guan)或鑄(zhu)鋼(gang)(gang)制的缸(gang)筒(tong)(tong)(tong)上。拉桿連(lian)接(jie)(jie)式(shi),結(jie)構(gou)的通用(yong)(yong)性(xing)大,容(rong)易(yi)加(jia)(jia)(jia)工(gong)(gong)和裝(zhuang)拆,但外(wai)(wai)形(xing)尺寸(cun)較大,且較重。焊接(jie)(jie)連(lian)接(jie)(jie)式(shi),結(jie)構(gou)簡單(dan),尺寸(cun)小(xiao),但缸(gang)底處內徑(jing)不(bu)易(yi)加(jia)(jia)(jia)工(gong)(gong),且可能引起變形(xing)。