
威海力建(jian)液壓設備廠
經營(ying)模式:生產(chan)加工
地址:山東省威(wei)海市羊亭孫家灘(tan)工業園
主營:液壓缸,油缸,液壓系(xi)統
業務熱線:
QQ:3049278720
(3)液壓(ya)系統控(kong)(kong)制壓(ya)力太低。控(kong)(kong)制管(guan)路中(zhong)節(jie)流阻力可能過大,流量閥調節(jie)不(bu)當(dang),控(kong)(kong)制壓(ya)力不(bu)合適(shi),壓(ya)力源受到(dao)干擾。此時應檢查控(kong)(kong)制壓(ya)力源,保證壓(ya)力調節(jie)到(dao)系統的規定值。
(4)液(ye)(ye)壓(ya)系(xi)統中(zhong)(zhong)進(jin)入空氣(qi)。主要是(shi)因為(wei)系(xi)統中(zhong)(zhong)有泄漏發生(sheng)。此時(shi)應檢(jian)查(cha)液(ye)(ye)壓(ya)油箱的液(ye)(ye)位,液(ye)(ye)壓(ya)泵吸油側(ce)的密(mi)封件(jian)和管接頭,吸油粗濾(lv)器是(shi)否太臟。若如此,應補(bu)充液(ye)(ye)壓(ya)油,處(chu)理(li)密(mi)封及(ji)管接頭,清洗或更換粗濾(lv)芯。





③ 缸體內(nei)表面所(suo)鍍(du)硬(ying)鉻(ge)層發生剝(bo)離一般認(ren)為,電(dian)鍍(du)硬(ying)鉻(ge)層發生剝(bo)離的(de)原因(yin)如下。
a.電鍍(du)(du)層黏(nian)結不(bu)好。電鍍(du)(du)層黏(nian)結不(bu)好的(de)主要原因是:電鍍(du)(du)前,零件的(de)除油(you)脫脂處理(li)不(bu)充分;零件表面活化處理(li)不(bu)干凈,氧化膜層未(wei)去除掉(diao)。
b.硬(ying)輅層磨(mo)損(sun)。電鍍硬(ying)鉻層的磨(mo)損(sun),多數是(shi)由(you)于活塞的摩擦鐵(tie)粉的研磨(mo)作用造成的, 中間夾有水分時,磨(mo)損(sun)更快。(威海(hai)力建(jian)冶金(jin)液壓(ya)設(she)備廠)
液(ye)壓缸(gang)結構基本(ben)上可以分(fen)為缸(gang)筒和缸(gang)蓋、活塞和活塞桿、密封裝置、緩沖裝置和排氣(qi)裝置五個部分(fen)。今天威海力(li)建小編著重帶(dai)著大家了解一(yi)下缸(gang)筒和缸(gang)蓋。
缸筒和缸蓋
一般(ban)來(lai)說,缸(gang)(gang)(gang)筒(tong)和(he)(he)缸(gang)(gang)(gang)蓋的結(jie)(jie)(jie)構(gou)形(xing)(xing)(xing)式(shi)(shi)和(he)(he)其使(shi)用(yong)(yong)的材料有(you)關。工(gong)作壓力p<10MPa時(shi),使(shi)用(yong)(yong)鑄(zhu)鐵(tie);p<20MPa時(shi),使(shi)用(yong)(yong)無縫(feng)鋼(gang)(gang)(gang)管;p>20MPa時(shi),使(shi)用(yong)(yong)鑄(zhu)鋼(gang)(gang)(gang)或鍛鋼(gang)(gang)(gang)。法蘭連(lian)(lian)接式(shi)(shi),結(jie)(jie)(jie)構(gou)簡單(dan)(dan),容(rong)(rong)(rong)易(yi)加(jia)(jia)工(gong),也容(rong)(rong)(rong)易(yi)裝(zhuang)拆(chai),但外(wai)(wai)形(xing)(xing)(xing)尺(chi)寸(cun)和(he)(he)重(zhong)量都較(jiao)(jiao)大,常用(yong)(yong)于鑄(zhu)鐵(tie)制(zhi)的缸(gang)(gang)(gang)筒(tong)上。半(ban)環連(lian)(lian)接式(shi)(shi),它(ta)(ta)的缸(gang)(gang)(gang)筒(tong)壁部因開了環形(xing)(xing)(xing)槽(cao)而(er)削(xue)弱(ruo)了強度,為此有(you)時(shi)要(yao)加(jia)(jia)厚缸(gang)(gang)(gang)壁,它(ta)(ta)容(rong)(rong)(rong)易(yi)加(jia)(jia)工(gong)和(he)(he)裝(zhuang)拆(chai),重(zhong)量較(jiao)(jiao)輕(qing),常用(yong)(yong)于無縫(feng)鋼(gang)(gang)(gang)管或鍛鋼(gang)(gang)(gang)制(zhi)的缸(gang)(gang)(gang)筒(tong)上。螺紋連(lian)(lian)接式(shi)(shi),它(ta)(ta)的缸(gang)(gang)(gang)筒(tong)端(duan)部結(jie)(jie)(jie)構(gou)復雜,外(wai)(wai)徑加(jia)(jia)工(gong)時(shi)要(yao)求保(bao)證內(nei)外(wai)(wai)徑同心(xin),裝(zhuang)拆(chai)要(yao)使(shi)用(yong)(yong)工(gong)具,它(ta)(ta)的外(wai)(wai)形(xing)(xing)(xing)尺(chi)寸(cun)和(he)(he)重(zhong)量都較(jiao)(jiao)小,常用(yong)(yong)于無縫(feng)鋼(gang)(gang)(gang)管或鑄(zhu)鋼(gang)(gang)(gang)制(zhi)的缸(gang)(gang)(gang)筒(tong)上。拉(la)桿連(lian)(lian)接式(shi)(shi),結(jie)(jie)(jie)構(gou)的通(tong)用(yong)(yong)性大,容(rong)(rong)(rong)易(yi)加(jia)(jia)工(gong)和(he)(he)裝(zhuang)拆(chai),但外(wai)(wai)形(xing)(xing)(xing)尺(chi)寸(cun)較(jiao)(jiao)大,且較(jiao)(jiao)重(zhong)。焊(han)接連(lian)(lian)接式(shi)(shi),結(jie)(jie)(jie)構(gou)簡單(dan)(dan),尺(chi)寸(cun)小,但缸(gang)(gang)(gang)底處(chu)內(nei)徑不易(yi)加(jia)(jia)工(gong),且可(ke)能引(yin)起(qi)變形(xing)(xing)(xing)。