
威(wei)海力建液壓設(she)備廠
經(jing)營模式:生(sheng)產加(jia)工
地址:山東(dong)省(sheng)威海市羊亭(ting)孫(sun)家灘工業園
主營:液壓缸(gang),油缸(gang),液壓系統
業務(wu)熱線:
QQ:3049278720
YHG1型冶金設備標準液(ye)壓(ya)缸
Y-HG1型冶(ye)金設(she)備標準液(ye)(ye)(ye)壓(ya)缸,為(wei)雙(shuang)作用(yong)單(dan)活(huo)塞桿(gan)液(ye)(ye)(ye)壓(ya)缸,缸徑從40~320mm共(gong)有17種規(gui)(gui)格,額定(ding)壓(ya)力為(wei)16MPa,可以(yi)帶緩沖裝置。該系列液(ye)(ye)(ye)壓(ya)缸有13種安裝連接型式,除軸向腳架(jia)式外,安裝連裝尺寸(cun)均符合(he)ISO6021/1-1981的(de)(de)(de)規(gui)(gui)定(ding)。活(huo)塞桿(gan)端(duan)螺紋亦符合(he)GB2350-80的(de)(de)(de)規(gui)(gui)定(ding)。適(shi)用(yong)于工作溫度為(wei)-30C~+80C,工作介質為(wei)液(ye)(ye)(ye)壓(ya)油,乳化液(ye)(ye)(ye)的(de)(de)(de)冶(ye)金設(she)備(不適(shi)用(yong)于磷酸脂(zhi))。





液壓缸(gang)(gang)(gang)結(jie)構(gou)基本上可以分為(wei)缸(gang)(gang)(gang)筒和(he)(he)缸(gang)(gang)(gang)蓋、活塞和(he)(he)活塞桿、密封裝置、緩沖裝置和(he)(he)排氣(qi)裝置五個(ge)部分。今天(tian)威海(hai)力建小編著重帶著大家了解一下缸(gang)(gang)(gang)筒和(he)(he)缸(gang)(gang)(gang)蓋。
缸(gang)筒(tong)和(he)缸(gang)蓋(gai)
一(yi)般(ban)來說,缸筒和(he)缸蓋的(de)結(jie)構形(xing)式和(he)其(qi)使(shi)(shi)用(yong)的(de)材料(liao)有(you)關。工(gong)(gong)(gong)作壓力p<10MPa時(shi),使(shi)(shi)用(yong)鑄鐵(tie);p<20MPa時(shi),使(shi)(shi)用(yong)無縫(feng)鋼(gang)管(guan);p>20MPa時(shi),使(shi)(shi)用(yong)鑄鋼(gang)或鍛(duan)鋼(gang)。法蘭連(lian)接(jie)式,結(jie)構簡(jian)單,容(rong)易加(jia)工(gong)(gong)(gong),也容(rong)易裝拆,但(dan)(dan)外(wai)(wai)形(xing)尺寸(cun)和(he)重(zhong)(zhong)量都(dou)較(jiao)大,常用(yong)于(yu)鑄鐵(tie)制的(de)缸筒上。半環連(lian)接(jie)式,它(ta)(ta)的(de)缸筒壁(bi)部(bu)因(yin)開了環形(xing)槽而削弱了強(qiang)度,為此有(you)時(shi)要加(jia)厚缸壁(bi),它(ta)(ta)容(rong)易加(jia)工(gong)(gong)(gong)和(he)裝拆,重(zhong)(zhong)量較(jiao)輕,常用(yong)于(yu)無縫(feng)鋼(gang)管(guan)或鍛(duan)鋼(gang)制的(de)缸筒上。螺(luo)紋連(lian)接(jie)式,它(ta)(ta)的(de)缸筒端(duan)部(bu)結(jie)構復雜,外(wai)(wai)徑(jing)加(jia)工(gong)(gong)(gong)時(shi)要求保證內(nei)外(wai)(wai)徑(jing)同(tong)心,裝拆要使(shi)(shi)用(yong)工(gong)(gong)(gong)具(ju),它(ta)(ta)的(de)外(wai)(wai)形(xing)尺寸(cun)和(he)重(zhong)(zhong)量都(dou)較(jiao)小,常用(yong)于(yu)無縫(feng)鋼(gang)管(guan)或鑄鋼(gang)制的(de)缸筒上。拉桿連(lian)接(jie)式,結(jie)構的(de)通(tong)用(yong)性大,容(rong)易加(jia)工(gong)(gong)(gong)和(he)裝拆,但(dan)(dan)外(wai)(wai)形(xing)尺寸(cun)較(jiao)大,且較(jiao)重(zhong)(zhong)。焊接(jie)連(lian)接(jie)式,結(jie)構簡(jian)單,尺寸(cun)小,但(dan)(dan)缸底處(chu)內(nei)徑(jing)不(bu)易加(jia)工(gong)(gong)(gong),且可能(neng)引(yin)起變形(xing)。
零部件加(jia)(jia)工(gong)(gong)精度(du)的(de)影(ying)響問題,在(zai)液壓(ya)缸的(de)制造(zao)過程中應嚴格控制缸體內(nei)(nei)壁(bi)(bi)和活塞桿表(biao)面加(jia)(jia)工(gong)(gong)精度(du),特(te)別是(shi)幾何精度(du),尤其(qi)直(zhi)(zhi)(zhi)(zhi)線(xian)度(du)是(shi)關鍵,在(zai)國內(nei)(nei)加(jia)(jia)工(gong)(gong)工(gong)(gong)藝(yi)中,活塞桿表(biao)面的(de)加(jia)(jia)工(gong)(gong)基(ji)本上是(shi)車后磨削,保證直(zhi)(zhi)(zhi)(zhi)線(xian)度(du)問題不(bu)大,但(dan)對于缸體內(nei)(nei)壁(bi)(bi)的(de)加(jia)(jia)工(gong)(gong),其(qi)加(jia)(jia)工(gong)(gong)方法很多,有鏜(tang)削-滾(gun)壓(ya)、鏜(tang)削-珩磨、直(zhi)(zhi)(zhi)(zhi)接(jie)珩磨等,但(dan)由于國內(nei)(nei)材(cai)料(liao)(liao)的(de)基(ji)礎水平(ping)較國外有差(cha)(cha)距,管(guan)材(cai)坯料(liao)(liao)直(zhi)(zhi)(zhi)(zhi)線(xian)度(du)差(cha)(cha),壁(bi)(bi)厚不(bu)均(jun)(jun)勻、硬(ying)度(du)不(bu)均(jun)(jun)勻等因(yin)素,往(wang)往(wang)直(zhi)(zhi)(zhi)(zhi)接(jie)影(ying)響缸體內(nei)(nei)壁(bi)(bi)加(jia)(jia)工(gong)(gong)后的(de)直(zhi)(zhi)(zhi)(zhi)線(xian)度(du),因(yin)此建議采用鏜(tang)削-滾(gun)壓(ya)、鏜(tang)削-珩磨工(gong)(gong)藝(yi),如直(zhi)(zhi)(zhi)(zhi)接(jie)珩磨,則必須首先提(ti)高(gao)管(guan)材(cai)坯料(liao)(liao)的(de)直(zhi)(zhi)(zhi)(zhi)線(xian)度(du)。
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在允許的情況下,液(ye)壓(ya)缸(gang)(gang)的缸(gang)(gang)體(ti)(ti)(ti)壁厚安全系數盡(jin)量選大一(yi)些(xie),使缸(gang)(gang)體(ti)(ti)(ti)厚壁增加,特別是高壓(ya)工(gong)況下使用的油缸(gang)(gang),以減小油壓(ya)下的缸(gang)(gang)體(ti)(ti)(ti)變(bian)形(xing),變(bian)形(xing)后的缸(gang)(gang)體(ti)(ti)(ti)也會引起(qi)液(ye)壓(ya)缸(gang)(gang)低速(su)爬行。