
威海力建液(ye)壓設(she)備(bei)廠
經營(ying)模式:生產加(jia)工
地址(zhi):山(shan)東省威海市(shi)羊亭孫家灘工業園
主營:液壓缸(gang),油缸(gang),液壓系統
業務熱線:
QQ:3049278720
YHG1型(xing)冶金(jin)設備標準液壓缸
Y-HG1型(xing)(xing)冶(ye)金設備標(biao)準液(ye)壓(ya)(ya)缸,為(wei)(wei)雙作(zuo)用(yong)單活塞桿液(ye)壓(ya)(ya)缸,缸徑從40~320mm共有17種規(gui)格(ge),額定(ding)壓(ya)(ya)力為(wei)(wei)16MPa,可以帶緩沖(chong)裝置。該系(xi)列液(ye)壓(ya)(ya)缸有13種安裝連接型(xing)(xing)式(shi),除軸(zhou)向(xiang)腳架式(shi)外(wai),安裝連裝尺寸均(jun)符合ISO6021/1-1981的(de)規(gui)定(ding)。活塞桿端螺紋亦(yi)符合GB2350-80的(de)規(gui)定(ding)。適用(yong)于(yu)工(gong)作(zuo)溫度為(wei)(wei)-30C~+80C,工(gong)作(zuo)介質為(wei)(wei)液(ye)壓(ya)(ya)油,乳化液(ye)的(de)冶(ye)金設備(不適用(yong)于(yu)磷酸脂)。





液壓缸(gang)結構基本上可(ke)以分(fen)為(wei)缸(gang)筒(tong)和(he)缸(gang)蓋、活塞和(he)活塞桿(gan)、密(mi)封裝置、緩沖(chong)裝置和(he)排(pai)氣(qi)裝置五個部分(fen)。今天威海(hai)力建小編著重帶(dai)著大家了解一下缸(gang)筒(tong)和(he)缸(gang)蓋。
缸筒(tong)和缸蓋(gai)
一般來(lai)說,缸(gang)(gang)(gang)筒(tong)(tong)和缸(gang)(gang)(gang)蓋的(de)(de)結構形(xing)式(shi)和其使(shi)用(yong)(yong)的(de)(de)材料有關。工(gong)作壓力(li)p<10MPa時,使(shi)用(yong)(yong)鑄(zhu)(zhu)鐵;p<20MPa時,使(shi)用(yong)(yong)無縫鋼管;p>20MPa時,使(shi)用(yong)(yong)鑄(zhu)(zhu)鋼或鍛(duan)鋼。法蘭連(lian)(lian)接(jie)(jie)(jie)式(shi),結構簡單,容(rong)(rong)易(yi)(yi)加工(gong),也容(rong)(rong)易(yi)(yi)裝(zhuang)拆(chai),但外形(xing)尺(chi)寸(cun)和重(zhong)量都較大(da)(da),常用(yong)(yong)于鑄(zhu)(zhu)鐵制的(de)(de)缸(gang)(gang)(gang)筒(tong)(tong)上。半環連(lian)(lian)接(jie)(jie)(jie)式(shi),它的(de)(de)缸(gang)(gang)(gang)筒(tong)(tong)壁(bi)部因(yin)開(kai)了環形(xing)槽而削弱了強度(du),為此有時要加厚缸(gang)(gang)(gang)壁(bi),它容(rong)(rong)易(yi)(yi)加工(gong)和裝(zhuang)拆(chai),重(zhong)量較輕,常用(yong)(yong)于無縫鋼管或鍛(duan)鋼制的(de)(de)缸(gang)(gang)(gang)筒(tong)(tong)上。螺紋連(lian)(lian)接(jie)(jie)(jie)式(shi),它的(de)(de)缸(gang)(gang)(gang)筒(tong)(tong)端部結構復(fu)雜,外徑(jing)加工(gong)時要求保(bao)證內(nei)外徑(jing)同心(xin),裝(zhuang)拆(chai)要使(shi)用(yong)(yong)工(gong)具(ju),它的(de)(de)外形(xing)尺(chi)寸(cun)和重(zhong)量都較小(xiao),常用(yong)(yong)于無縫鋼管或鑄(zhu)(zhu)鋼制的(de)(de)缸(gang)(gang)(gang)筒(tong)(tong)上。拉(la)桿連(lian)(lian)接(jie)(jie)(jie)式(shi),結構的(de)(de)通用(yong)(yong)性大(da)(da),容(rong)(rong)易(yi)(yi)加工(gong)和裝(zhuang)拆(chai),但外形(xing)尺(chi)寸(cun)較大(da)(da),且較重(zhong)。焊接(jie)(jie)(jie)連(lian)(lian)接(jie)(jie)(jie)式(shi),結構簡單,尺(chi)寸(cun)小(xiao),但缸(gang)(gang)(gang)底(di)處內(nei)徑(jing)不易(yi)(yi)加工(gong),且可能引起變形(xing)。
零部(bu)件加(jia)(jia)工(gong)精度(du)的(de)(de)影響問題,在液壓(ya)(ya)缸(gang)(gang)的(de)(de)制造過程中(zhong)應嚴格(ge)控制缸(gang)(gang)體(ti)內(nei)(nei)壁(bi)(bi)和活塞桿(gan)表面加(jia)(jia)工(gong)精度(du),特別(bie)是(shi)幾何精度(du),尤(you)其直(zhi)(zhi)(zhi)(zhi)線(xian)度(du)是(shi)關鍵,在國內(nei)(nei)加(jia)(jia)工(gong)工(gong)藝中(zhong),活塞桿(gan)表面的(de)(de)加(jia)(jia)工(gong)基本上是(shi)車(che)后磨(mo)削(xue)(xue),保證直(zhi)(zhi)(zhi)(zhi)線(xian)度(du)問題不大(da),但對于缸(gang)(gang)體(ti)內(nei)(nei)壁(bi)(bi)的(de)(de)加(jia)(jia)工(gong),其加(jia)(jia)工(gong)方(fang)法很多,有鏜削(xue)(xue)-滾壓(ya)(ya)、鏜削(xue)(xue)-珩(heng)磨(mo)、直(zhi)(zhi)(zhi)(zhi)接(jie)珩(heng)磨(mo)等,但由于國內(nei)(nei)材(cai)料(liao)的(de)(de)基礎(chu)水(shui)平較國外(wai)有差(cha)距(ju),管材(cai)坯料(liao)直(zhi)(zhi)(zhi)(zhi)線(xian)度(du)差(cha),壁(bi)(bi)厚不均勻、硬(ying)度(du)不均勻等因素,往往直(zhi)(zhi)(zhi)(zhi)接(jie)影響缸(gang)(gang)體(ti)內(nei)(nei)壁(bi)(bi)加(jia)(jia)工(gong)后的(de)(de)直(zhi)(zhi)(zhi)(zhi)線(xian)度(du),因此建議采用鏜削(xue)(xue)-滾壓(ya)(ya)、鏜削(xue)(xue)-珩(heng)磨(mo)工(gong)藝,如直(zhi)(zhi)(zhi)(zhi)接(jie)珩(heng)磨(mo),則(ze)必須首先(xian)提高管材(cai)坯料(liao)的(de)(de)直(zhi)(zhi)(zhi)(zhi)線(xian)度(du)。
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在(zai)允許的情況(kuang)下,液壓(ya)(ya)缸(gang)(gang)的缸(gang)(gang)體(ti)(ti)壁(bi)厚(hou)(hou)安全系數盡量選大一些,使(shi)缸(gang)(gang)體(ti)(ti)厚(hou)(hou)壁(bi)增加(jia),特別是高壓(ya)(ya)工況(kuang)下使(shi)用的油缸(gang)(gang),以減小油壓(ya)(ya)下的缸(gang)(gang)體(ti)(ti)變(bian)形,變(bian)形后(hou)的缸(gang)(gang)體(ti)(ti)也會(hui)引起(qi)液壓(ya)(ya)缸(gang)(gang)低速爬行(xing)。