
威海力建液壓設備廠
經營(ying)模式:生產加工
地址:山(shan)東省(sheng)威海市羊亭孫家灘(tan)工業園
主(zhu)營:液(ye)壓(ya)缸,油缸,液(ye)壓(ya)系統
業務熱(re)線:
QQ:3049278720
YHG1型冶金設備標準液壓(ya)缸
Y-HG1型冶金設備(bei)標準(zhun)液(ye)壓(ya)缸(gang)(gang),為(wei)雙(shuang)作用(yong)單(dan)活(huo)塞桿(gan)液(ye)壓(ya)缸(gang)(gang),缸(gang)(gang)徑從40~320mm共有17種(zhong)規格(ge),額定(ding)壓(ya)力為(wei)16MPa,可(ke)以帶緩沖(chong)裝置。該(gai)系列液(ye)壓(ya)缸(gang)(gang)有13種(zhong)安裝連接型式(shi),除軸向腳架(jia)式(shi)外(wai),安裝連裝尺(chi)寸均符合(he)ISO6021/1-1981的規定(ding)。活(huo)塞桿(gan)端螺紋亦(yi)符合(he)GB2350-80的規定(ding)。適(shi)用(yong)于工作溫度(du)為(wei)-30C~+80C,工作介質為(wei)液(ye)壓(ya)油,乳(ru)化液(ye)的冶金設備(bei)(不適(shi)用(yong)于磷酸脂)。





液壓缸(gang)結構(gou)基(ji)本上可以分(fen)為(wei)缸(gang)筒(tong)和缸(gang)蓋、活塞(sai)和活塞(sai)桿、密封(feng)裝(zhuang)置(zhi)、緩(huan)沖裝(zhuang)置(zhi)和排氣裝(zhuang)置(zhi)五(wu)個部分(fen)。今天威(wei)海力(li)建小(xiao)編著重帶著大家了解(jie)一下缸(gang)筒(tong)和缸(gang)蓋。
缸筒和(he)缸蓋
一般來(lai)說,缸(gang)(gang)筒和(he)(he)缸(gang)(gang)蓋的(de)結(jie)構(gou)形(xing)式(shi)和(he)(he)其使(shi)用(yong)(yong)的(de)材(cai)料(liao)有關。工(gong)(gong)(gong)作(zuo)壓力p<10MPa時(shi),使(shi)用(yong)(yong)鑄(zhu)(zhu)鐵;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)(zhu)鋼(gang)(gang)(gang)或鍛鋼(gang)(gang)(gang)。法蘭連(lian)接(jie)式(shi),結(jie)構(gou)簡(jian)單,容(rong)(rong)(rong)易加(jia)工(gong)(gong)(gong),也容(rong)(rong)(rong)易裝(zhuang)(zhuang)拆(chai),但(dan)外形(xing)尺(chi)寸和(he)(he)重量(liang)都(dou)較大(da),常用(yong)(yong)于(yu)(yu)鑄(zhu)(zhu)鐵制的(de)缸(gang)(gang)筒上。半環連(lian)接(jie)式(shi),它的(de)缸(gang)(gang)筒壁部因開了(le)環形(xing)槽而削弱了(le)強度(du),為此有時(shi)要(yao)加(jia)厚(hou)缸(gang)(gang)壁,它容(rong)(rong)(rong)易加(jia)工(gong)(gong)(gong)和(he)(he)裝(zhuang)(zhuang)拆(chai),重量(liang)較輕,常用(yong)(yong)于(yu)(yu)無縫(feng)鋼(gang)(gang)(gang)管或鍛鋼(gang)(gang)(gang)制的(de)缸(gang)(gang)筒上。螺紋(wen)連(lian)接(jie)式(shi),它的(de)缸(gang)(gang)筒端部結(jie)構(gou)復雜,外徑(jing)加(jia)工(gong)(gong)(gong)時(shi)要(yao)求保證內外徑(jing)同心,裝(zhuang)(zhuang)拆(chai)要(yao)使(shi)用(yong)(yong)工(gong)(gong)(gong)具,它的(de)外形(xing)尺(chi)寸和(he)(he)重量(liang)都(dou)較小(xiao),常用(yong)(yong)于(yu)(yu)無縫(feng)鋼(gang)(gang)(gang)管或鑄(zhu)(zhu)鋼(gang)(gang)(gang)制的(de)缸(gang)(gang)筒上。拉桿連(lian)接(jie)式(shi),結(jie)構(gou)的(de)通用(yong)(yong)性大(da),容(rong)(rong)(rong)易加(jia)工(gong)(gong)(gong)和(he)(he)裝(zhuang)(zhuang)拆(chai),但(dan)外形(xing)尺(chi)寸較大(da),且(qie)較重。焊接(jie)連(lian)接(jie)式(shi),結(jie)構(gou)簡(jian)單,尺(chi)寸小(xiao),但(dan)缸(gang)(gang)底(di)處內徑(jing)不易加(jia)工(gong)(gong)(gong),且(qie)可(ke)能(neng)引(yin)起(qi)變形(xing)。
零部件加工(gong)(gong)精(jing)度(du)的影響(xiang)問題,在液壓缸(gang)的制(zhi)造(zao)過程(cheng)中應嚴格控制(zhi)缸(gang)體內(nei)壁(bi)和(he)活(huo)塞桿(gan)表面加工(gong)(gong)精(jing)度(du),特(te)別是幾何精(jing)度(du),尤(you)其直(zhi)(zhi)線(xian)(xian)度(du)是關鍵,在國(guo)內(nei)加工(gong)(gong)工(gong)(gong)藝中,活(huo)塞桿(gan)表面的加工(gong)(gong)基本上是車后(hou)磨(mo)削,保證直(zhi)(zhi)線(xian)(xian)度(du)問題不(bu)大,但對(dui)于缸(gang)體內(nei)壁(bi)的加工(gong)(gong),其加工(gong)(gong)方法很多,有鏜(tang)削-滾壓、鏜(tang)削-珩(heng)(heng)磨(mo)、直(zhi)(zhi)接珩(heng)(heng)磨(mo)等,但由于國(guo)內(nei)材料(liao)(liao)的基礎水平較國(guo)外有差(cha)距,管(guan)材坯料(liao)(liao)直(zhi)(zhi)線(xian)(xian)度(du)差(cha),壁(bi)厚不(bu)均勻、硬度(du)不(bu)均勻等因素(su),往(wang)往(wang)直(zhi)(zhi)接影響(xiang)缸(gang)體內(nei)壁(bi)加工(gong)(gong)后(hou)的直(zhi)(zhi)線(xian)(xian)度(du),因此建議采(cai)用鏜(tang)削-滾壓、鏜(tang)削-珩(heng)(heng)磨(mo)工(gong)(gong)藝,如直(zhi)(zhi)接珩(heng)(heng)磨(mo),則(ze)必須首先提高管(guan)材坯料(liao)(liao)的直(zhi)(zhi)線(xian)(xian)度(du)。
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在(zai)允(yun)許(xu)的(de)情況下(xia)(xia),液壓(ya)缸(gang)的(de)缸(gang)體(ti)壁厚(hou)安全系數盡量(liang)選(xuan)大一些,使(shi)(shi)缸(gang)體(ti)厚(hou)壁增加(jia),特別是(shi)高壓(ya)工況下(xia)(xia)使(shi)(shi)用的(de)油缸(gang),以減小油壓(ya)下(xia)(xia)的(de)缸(gang)體(ti)變形,變形后的(de)缸(gang)體(ti)也會引起液壓(ya)缸(gang)低速爬行。

李建波先生
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