
威海力建液壓(ya)設備廠
經營模式:生(sheng)產加(jia)工
地址:山東省威(wei)海市羊(yang)亭(ting)孫(sun)家(jia)灘工業園
主營:液壓缸(gang),油缸(gang),液壓系統
業(ye)務(wu)熱線(xian):
QQ:3049278720
YHG1型(xing)冶金(jin)設備標準(zhun)液壓缸(gang)
Y-HG1型(xing)冶金(jin)設(she)備(bei)標準液壓(ya)(ya)缸(gang),為(wei)雙作用單活塞桿液壓(ya)(ya)缸(gang),缸(gang)徑從40~320mm共(gong)有(you)17種規(gui)格,額定(ding)(ding)壓(ya)(ya)力為(wei)16MPa,可以帶緩沖裝(zhuang)置(zhi)。該(gai)系列液壓(ya)(ya)缸(gang)有(you)13種安裝(zhuang)連接型(xing)式,除軸(zhou)向腳架式外(wai),安裝(zhuang)連裝(zhuang)尺寸均符合(he)ISO6021/1-1981的規(gui)定(ding)(ding)。活塞桿端(duan)螺(luo)紋亦符合(he)GB2350-80的規(gui)定(ding)(ding)。適用于工作溫度為(wei)-30C~+80C,工作介質為(wei)液壓(ya)(ya)油,乳化液的冶金(jin)設(she)備(bei)(不適用于磷(lin)酸脂)。





液壓缸(gang)(gang)結(jie)構基(ji)本上可以(yi)分為缸(gang)(gang)筒和(he)缸(gang)(gang)蓋(gai)、活(huo)(huo)塞和(he)活(huo)(huo)塞桿、密(mi)封(feng)裝置、緩沖裝置和(he)排氣(qi)裝置五個部分。今天威海(hai)力建小(xiao)編著重帶(dai)著大家了解一下缸(gang)(gang)筒和(he)缸(gang)(gang)蓋(gai)。
缸(gang)筒和缸(gang)蓋(gai)
一般來說,缸(gang)(gang)(gang)筒和(he)缸(gang)(gang)(gang)蓋的(de)(de)結(jie)構形(xing)式和(he)其使(shi)(shi)用(yong)(yong)(yong)的(de)(de)材料(liao)有關(guan)。工(gong)作壓力p<10MPa時(shi)(shi),使(shi)(shi)用(yong)(yong)(yong)鑄鐵;p<20MPa時(shi)(shi),使(shi)(shi)用(yong)(yong)(yong)無縫(feng)(feng)鋼(gang)(gang)管(guan);p>20MPa時(shi)(shi),使(shi)(shi)用(yong)(yong)(yong)鑄鋼(gang)(gang)或(huo)(huo)鍛鋼(gang)(gang)。法蘭(lan)連接式,結(jie)構簡(jian)單(dan),容易(yi)加(jia)工(gong),也容易(yi)裝(zhuang)拆,但(dan)外(wai)形(xing)尺(chi)(chi)(chi)寸和(he)重(zhong)(zhong)量(liang)(liang)都較(jiao)大,常用(yong)(yong)(yong)于鑄鐵制的(de)(de)缸(gang)(gang)(gang)筒上(shang)。半環(huan)連接式,它(ta)的(de)(de)缸(gang)(gang)(gang)筒壁(bi)部因開(kai)了環(huan)形(xing)槽而削弱了強度,為此有時(shi)(shi)要加(jia)厚(hou)缸(gang)(gang)(gang)壁(bi),它(ta)容易(yi)加(jia)工(gong)和(he)裝(zhuang)拆,重(zhong)(zhong)量(liang)(liang)較(jiao)輕,常用(yong)(yong)(yong)于無縫(feng)(feng)鋼(gang)(gang)管(guan)或(huo)(huo)鍛鋼(gang)(gang)制的(de)(de)缸(gang)(gang)(gang)筒上(shang)。螺紋連接式,它(ta)的(de)(de)缸(gang)(gang)(gang)筒端(duan)部結(jie)構復雜,外(wai)徑(jing)加(jia)工(gong)時(shi)(shi)要求保證內(nei)外(wai)徑(jing)同(tong)心(xin),裝(zhuang)拆要使(shi)(shi)用(yong)(yong)(yong)工(gong)具,它(ta)的(de)(de)外(wai)形(xing)尺(chi)(chi)(chi)寸和(he)重(zhong)(zhong)量(liang)(liang)都較(jiao)小,常用(yong)(yong)(yong)于無縫(feng)(feng)鋼(gang)(gang)管(guan)或(huo)(huo)鑄鋼(gang)(gang)制的(de)(de)缸(gang)(gang)(gang)筒上(shang)。拉桿連接式,結(jie)構的(de)(de)通用(yong)(yong)(yong)性大,容易(yi)加(jia)工(gong)和(he)裝(zhuang)拆,但(dan)外(wai)形(xing)尺(chi)(chi)(chi)寸較(jiao)大,且較(jiao)重(zhong)(zhong)。焊(han)接連接式,結(jie)構簡(jian)單(dan),尺(chi)(chi)(chi)寸小,但(dan)缸(gang)(gang)(gang)底處內(nei)徑(jing)不易(yi)加(jia)工(gong),且可能引起(qi)變形(xing)。
零部件加(jia)工(gong)(gong)(gong)(gong)精(jing)(jing)度(du)的(de)(de)(de)影(ying)(ying)響問題(ti)(ti),在液壓(ya)缸的(de)(de)(de)制造(zao)過程中應嚴格控制缸體內(nei)壁(bi)和活塞(sai)桿(gan)表(biao)(biao)面加(jia)工(gong)(gong)(gong)(gong)精(jing)(jing)度(du),特別是幾何(he)精(jing)(jing)度(du),尤其(qi)直(zhi)(zhi)線(xian)(xian)度(du)是關鍵,在國(guo)內(nei)加(jia)工(gong)(gong)(gong)(gong)工(gong)(gong)(gong)(gong)藝(yi)中,活塞(sai)桿(gan)表(biao)(biao)面的(de)(de)(de)加(jia)工(gong)(gong)(gong)(gong)基(ji)本上是車后(hou)磨削(xue),保證直(zhi)(zhi)線(xian)(xian)度(du)問題(ti)(ti)不(bu)大,但對于缸體內(nei)壁(bi)的(de)(de)(de)加(jia)工(gong)(gong)(gong)(gong),其(qi)加(jia)工(gong)(gong)(gong)(gong)方法很多,有鏜削(xue)-滾壓(ya)、鏜削(xue)-珩磨、直(zhi)(zhi)接珩磨等(deng),但由于國(guo)內(nei)材(cai)(cai)料的(de)(de)(de)基(ji)礎水(shui)平較國(guo)外有差距,管材(cai)(cai)坯料直(zhi)(zhi)線(xian)(xian)度(du)差,壁(bi)厚不(bu)均勻(yun)、硬度(du)不(bu)均勻(yun)等(deng)因(yin)(yin)素,往往直(zhi)(zhi)接影(ying)(ying)響缸體內(nei)壁(bi)加(jia)工(gong)(gong)(gong)(gong)后(hou)的(de)(de)(de)直(zhi)(zhi)線(xian)(xian)度(du),因(yin)(yin)此建議(yi)采(cai)用鏜削(xue)-滾壓(ya)、鏜削(xue)-珩磨工(gong)(gong)(gong)(gong)藝(yi),如直(zhi)(zhi)接珩磨,則(ze)必(bi)須(xu)首先提高(gao)管材(cai)(cai)坯料的(de)(de)(de)直(zhi)(zhi)線(xian)(xian)度(du)。
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在允許的情況(kuang)下(xia),液壓(ya)(ya)缸(gang)(gang)的缸(gang)(gang)體壁厚(hou)安全系(xi)數盡量選大一些,使(shi)缸(gang)(gang)體厚(hou)壁增加,特(te)別(bie)是高壓(ya)(ya)工(gong)況(kuang)下(xia)使(shi)用的油(you)缸(gang)(gang),以減小油(you)壓(ya)(ya)下(xia)的缸(gang)(gang)體變形,變形后的缸(gang)(gang)體也會引起液壓(ya)(ya)缸(gang)(gang)低速爬(pa)行(xing)。