
威海力建液壓(ya)設備廠
經(jing)營模式(shi):生產加工
地址(zhi):山東省威(wei)海市羊亭(ting)孫家灘工業園
主(zhu)營:液(ye)壓缸(gang),油缸(gang),液(ye)壓系統(tong)
業務(wu)熱線:
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(3)液壓(ya)(ya)系(xi)統控(kong)制壓(ya)(ya)力(li)(li)太低。控(kong)制管路中節(jie)流阻(zu)力(li)(li)可能過(guo)大,流量閥(fa)調節(jie)不當,控(kong)制壓(ya)(ya)力(li)(li)不合適(shi),壓(ya)(ya)力(li)(li)源受到干擾(rao)。此時應(ying)檢查控(kong)制壓(ya)(ya)力(li)(li)源,保證壓(ya)(ya)力(li)(li)調節(jie)到系(xi)統的規(gui)定值。
(4)液(ye)(ye)壓(ya)系統(tong)中(zhong)進入空氣。主要(yao)是因為系統(tong)中(zhong)有泄漏發生。此(ci)時應檢查液(ye)(ye)壓(ya)油(you)(you)箱的液(ye)(ye)位,液(ye)(ye)壓(ya)泵(beng)吸油(you)(you)側的密封件(jian)和管(guan)接(jie)頭(tou),吸油(you)(you)粗濾器是否(fou)太(tai)臟。若如此(ci),應補充液(ye)(ye)壓(ya)油(you)(you),處理密封及管(guan)接(jie)頭(tou),清洗或更換粗濾芯。





③ 缸體內表(biao)面所(suo)鍍硬鉻層發生剝(bo)離(li)一(yi)般認為,電(dian)鍍硬鉻層發生剝(bo)離(li)的原因如(ru)下(xia)。
a.電鍍(du)層(ceng)黏結不好。電鍍(du)層(ceng)黏結不好的(de)主(zhu)要(yao)原因(yin)是:電鍍(du)前,零件的(de)除油脫脂(zhi)處理不充分;零件表(biao)面活(huo)化(hua)(hua)處理不干凈,氧化(hua)(hua)膜層(ceng)未去(qu)除掉(diao)。
b.硬輅層磨損(sun)。電鍍硬鉻層的(de)磨損(sun),多數是(shi)由于活塞(sai)的(de)摩(mo)擦鐵粉的(de)研(yan)磨作用造成的(de), 中間夾(jia)有(you)水分時,磨損(sun)更快。(威海力建冶(ye)金(jin)液壓設備廠)
液(ye)壓缸(gang)(gang)結構基本上可以(yi)分(fen)為缸(gang)(gang)筒和(he)(he)缸(gang)(gang)蓋、活(huo)塞(sai)和(he)(he)活(huo)塞(sai)桿、密封(feng)裝(zhuang)置、緩沖裝(zhuang)置和(he)(he)排(pai)氣(qi)裝(zhuang)置五個部分(fen)。今天威(wei)海力建小編著重帶著大家了解(jie)一下缸(gang)(gang)筒和(he)(he)缸(gang)(gang)蓋。
缸(gang)筒和缸(gang)蓋(gai)
一般來說,缸筒(tong)和(he)缸蓋的(de)(de)結(jie)構(gou)形(xing)(xing)式(shi)和(he)其使(shi)(shi)用(yong)(yong)的(de)(de)材料有(you)關。工(gong)(gong)作壓力p<10MPa時(shi)(shi),使(shi)(shi)用(yong)(yong)鑄(zhu)鐵(tie)(tie);p<20MPa時(shi)(shi),使(shi)(shi)用(yong)(yong)無(wu)(wu)縫鋼管;p>20MPa時(shi)(shi),使(shi)(shi)用(yong)(yong)鑄(zhu)鋼或(huo)鍛鋼。法蘭連(lian)接式(shi),結(jie)構(gou)簡單,容(rong)(rong)易(yi)(yi)加(jia)工(gong)(gong),也容(rong)(rong)易(yi)(yi)裝(zhuang)拆(chai),但(dan)(dan)外形(xing)(xing)尺寸(cun)和(he)重(zhong)量都較(jiao)大(da),常(chang)用(yong)(yong)于鑄(zhu)鐵(tie)(tie)制的(de)(de)缸筒(tong)上(shang)(shang)。半環連(lian)接式(shi),它(ta)(ta)的(de)(de)缸筒(tong)壁部因開了環形(xing)(xing)槽而削弱了強(qiang)度,為此有(you)時(shi)(shi)要加(jia)厚(hou)缸壁,它(ta)(ta)容(rong)(rong)易(yi)(yi)加(jia)工(gong)(gong)和(he)裝(zhuang)拆(chai),重(zhong)量較(jiao)輕,常(chang)用(yong)(yong)于無(wu)(wu)縫鋼管或(huo)鍛鋼制的(de)(de)缸筒(tong)上(shang)(shang)。螺紋(wen)連(lian)接式(shi),它(ta)(ta)的(de)(de)缸筒(tong)端部結(jie)構(gou)復雜(za),外徑(jing)加(jia)工(gong)(gong)時(shi)(shi)要求保證內(nei)外徑(jing)同心,裝(zhuang)拆(chai)要使(shi)(shi)用(yong)(yong)工(gong)(gong)具,它(ta)(ta)的(de)(de)外形(xing)(xing)尺寸(cun)和(he)重(zhong)量都較(jiao)小(xiao),常(chang)用(yong)(yong)于無(wu)(wu)縫鋼管或(huo)鑄(zhu)鋼制的(de)(de)缸筒(tong)上(shang)(shang)。拉桿連(lian)接式(shi),結(jie)構(gou)的(de)(de)通用(yong)(yong)性大(da),容(rong)(rong)易(yi)(yi)加(jia)工(gong)(gong)和(he)裝(zhuang)拆(chai),但(dan)(dan)外形(xing)(xing)尺寸(cun)較(jiao)大(da),且(qie)較(jiao)重(zhong)。焊(han)接連(lian)接式(shi),結(jie)構(gou)簡單,尺寸(cun)小(xiao),但(dan)(dan)缸底處(chu)內(nei)徑(jing)不易(yi)(yi)加(jia)工(gong)(gong),且(qie)可能引起變形(xing)(xing)。

李建波先生
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