
威海力(li)建(jian)液壓設備廠
經營模式:生(sheng)產加(jia)工
地址:山(shan)東省威(wei)海(hai)市羊亭孫家(jia)灘工業園(yuan)
主營(ying):液壓缸,油(you)缸,液壓系統(tong)
業務熱線:
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(3)液壓(ya)(ya)(ya)(ya)系統(tong)控制(zhi)(zhi)壓(ya)(ya)(ya)(ya)力(li)(li)(li)太(tai)低。控制(zhi)(zhi)管路中(zhong)節流阻力(li)(li)(li)可能過大,流量(liang)閥調(diao)節不當,控制(zhi)(zhi)壓(ya)(ya)(ya)(ya)力(li)(li)(li)不合(he)適,壓(ya)(ya)(ya)(ya)力(li)(li)(li)源受到(dao)干擾。此時(shi)應(ying)檢查控制(zhi)(zhi)壓(ya)(ya)(ya)(ya)力(li)(li)(li)源,保證壓(ya)(ya)(ya)(ya)力(li)(li)(li)調(diao)節到(dao)系統(tong)的規定(ding)值。
(4)液(ye)壓(ya)系統中進入空氣。主要是因(yin)為(wei)系統中有(you)泄漏(lou)發生(sheng)。此(ci)時應(ying)檢(jian)查液(ye)壓(ya)油箱(xiang)的液(ye)位,液(ye)壓(ya)泵吸油側的密封件和(he)管接(jie)頭(tou),吸油粗濾(lv)器是否太(tai)臟。若如此(ci),應(ying)補充液(ye)壓(ya)油,處理(li)密封及(ji)管接(jie)頭(tou),清洗(xi)或更換粗濾(lv)芯。





③ 缸體內表面所鍍硬(ying)鉻層發(fa)(fa)生剝離(li)一般認為(wei),電鍍硬(ying)鉻層發(fa)(fa)生剝離(li)的原因(yin)如下。
a.電鍍層黏結不好。電鍍層黏結不好的主要原因(yin)是:電鍍前,零(ling)件的除(chu)油脫脂處理(li)(li)不充分;零(ling)件表面活化處理(li)(li)不干凈,氧化膜層未(wei)去除(chu)掉。
b.硬輅(lu)層磨(mo)損。電鍍(du)硬鉻層的磨(mo)損,多數是由于活(huo)塞的摩擦鐵粉(fen)的研磨(mo)作用(yong)造成的, 中間夾有水分時,磨(mo)損更快(kuai)。(威海(hai)力(li)建冶金液壓設(she)備(bei)廠)
液壓缸(gang)(gang)結構基本上可(ke)以(yi)分為(wei)缸(gang)(gang)筒和(he)缸(gang)(gang)蓋、活塞(sai)和(he)活塞(sai)桿、密封裝(zhuang)置、緩沖裝(zhuang)置和(he)排氣裝(zhuang)置五個(ge)部(bu)分。今天(tian)威海力建小編著重帶著大家(jia)了(le)解一下(xia)缸(gang)(gang)筒和(he)缸(gang)(gang)蓋。
缸筒和缸蓋
一(yi)般來說,缸(gang)(gang)(gang)(gang)筒(tong)(tong)和缸(gang)(gang)(gang)(gang)蓋(gai)的(de)(de)(de)結構(gou)(gou)(gou)形式(shi)和其使(shi)(shi)(shi)用的(de)(de)(de)材料有(you)關(guan)。工(gong)(gong)(gong)作壓力p<10MPa時(shi),使(shi)(shi)(shi)用鑄鐵;p<20MPa時(shi),使(shi)(shi)(shi)用無縫(feng)鋼(gang)(gang)管(guan);p>20MPa時(shi),使(shi)(shi)(shi)用鑄鋼(gang)(gang)或(huo)鍛鋼(gang)(gang)。法(fa)蘭連(lian)接(jie)式(shi),結構(gou)(gou)(gou)簡(jian)單,容(rong)易加(jia)工(gong)(gong)(gong),也容(rong)易裝(zhuang)(zhuang)拆(chai),但外(wai)形尺寸(cun)(cun)和重(zhong)(zhong)量都(dou)較(jiao)(jiao)(jiao)(jiao)大,常用于(yu)鑄鐵制的(de)(de)(de)缸(gang)(gang)(gang)(gang)筒(tong)(tong)上(shang)。半環連(lian)接(jie)式(shi),它(ta)的(de)(de)(de)缸(gang)(gang)(gang)(gang)筒(tong)(tong)壁部因(yin)開(kai)了環形槽而削弱(ruo)了強(qiang)度,為此有(you)時(shi)要(yao)加(jia)厚缸(gang)(gang)(gang)(gang)壁,它(ta)容(rong)易加(jia)工(gong)(gong)(gong)和裝(zhuang)(zhuang)拆(chai),重(zhong)(zhong)量較(jiao)(jiao)(jiao)(jiao)輕,常用于(yu)無縫(feng)鋼(gang)(gang)管(guan)或(huo)鍛鋼(gang)(gang)制的(de)(de)(de)缸(gang)(gang)(gang)(gang)筒(tong)(tong)上(shang)。螺紋連(lian)接(jie)式(shi),它(ta)的(de)(de)(de)缸(gang)(gang)(gang)(gang)筒(tong)(tong)端部結構(gou)(gou)(gou)復(fu)雜,外(wai)徑加(jia)工(gong)(gong)(gong)時(shi)要(yao)求保證(zheng)內外(wai)徑同(tong)心,裝(zhuang)(zhuang)拆(chai)要(yao)使(shi)(shi)(shi)用工(gong)(gong)(gong)具,它(ta)的(de)(de)(de)外(wai)形尺寸(cun)(cun)和重(zhong)(zhong)量都(dou)較(jiao)(jiao)(jiao)(jiao)小,常用于(yu)無縫(feng)鋼(gang)(gang)管(guan)或(huo)鑄鋼(gang)(gang)制的(de)(de)(de)缸(gang)(gang)(gang)(gang)筒(tong)(tong)上(shang)。拉桿連(lian)接(jie)式(shi),結構(gou)(gou)(gou)的(de)(de)(de)通(tong)用性大,容(rong)易加(jia)工(gong)(gong)(gong)和裝(zhuang)(zhuang)拆(chai),但外(wai)形尺寸(cun)(cun)較(jiao)(jiao)(jiao)(jiao)大,且較(jiao)(jiao)(jiao)(jiao)重(zhong)(zhong)。焊接(jie)連(lian)接(jie)式(shi),結構(gou)(gou)(gou)簡(jian)單,尺寸(cun)(cun)小,但缸(gang)(gang)(gang)(gang)底處內徑不(bu)易加(jia)工(gong)(gong)(gong),且可(ke)能引起變形。