
威(wei)海力建(jian)液壓設(she)備廠
經營模(mo)式:生產(chan)加(jia)工
地址:山東省威海(hai)市(shi)羊亭孫家(jia)灘工業園
主(zhu)營:液壓(ya)缸,油缸,液壓(ya)系統
業務熱線:
QQ:3049278720
YHG1型冶(ye)金設備(bei)標準(zhun)液(ye)壓缸
Y-HG1型冶金設(she)備標準液(ye)(ye)壓(ya)缸(gang),為雙作(zuo)用單活塞桿液(ye)(ye)壓(ya)缸(gang),缸(gang)徑從(cong)40~320mm共有17種規格,額定(ding)壓(ya)力為16MPa,可以(yi)帶緩沖裝置。該系列液(ye)(ye)壓(ya)缸(gang)有13種安裝連接型式,除軸向腳架式外,安裝連裝尺寸均符合(he)ISO6021/1-1981的(de)規定(ding)。活塞桿端螺紋亦符合(he)GB2350-80的(de)規定(ding)。適用于工作(zuo)溫度為-30C~+80C,工作(zuo)介質(zhi)為液(ye)(ye)壓(ya)油,乳化(hua)液(ye)(ye)的(de)冶金設(she)備(不適用于磷酸脂)。





采用滾壓加工,由于表(biao)(biao)(biao)面(mian)(mian)(mian)層(ceng)(ceng)留有(you)表(biao)(biao)(biao)面(mian)(mian)(mian)殘余壓應力(li),有(you)助于表(biao)(biao)(biao)面(mian)(mian)(mian)微小(xiao)裂紋的(de)(de)(de)(de)封閉,阻礙侵蝕作(zuo)用的(de)(de)(de)(de)擴展。從而(er)提(ti)高(gao)表(biao)(biao)(biao)面(mian)(mian)(mian)抗腐蝕能(neng)力(li),并能(neng)延緩疲勞裂紋的(de)(de)(de)(de)產生(sheng)或擴大,因而(er)提(ti)高(gao)缸(gang)(gang)筒(tong)疲勞強(qiang)度。通過滾壓成(cheng)型,滾壓表(biao)(biao)(biao)面(mian)(mian)(mian)形(xing)成(cheng)一(yi)層(ceng)(ceng)冷作(zuo)硬化層(ceng)(ceng),減(jian)少了(le)磨削副接(jie)觸表(biao)(biao)(biao)面(mian)(mian)(mian)的(de)(de)(de)(de)彈(dan)性(xing)和(he)塑性(xing)變形(xing),從而(er)提(ti)高(gao)了(le)缸(gang)(gang)筒(tong)內(nei)壁的(de)(de)(de)(de)耐磨性(xing),同時避免了(le)因磨削引(yin)起的(de)(de)(de)(de)shao傷。滾壓后,表(biao)(biao)(biao)面(mian)(mian)(mian)粗糙度值的(de)(de)(de)(de)減(jian)小(xiao),可提(ti)高(gao)配合性(xing)質。
零部件(jian)加(jia)工(gong)(gong)(gong)(gong)精(jing)度的(de)(de)影(ying)(ying)響(xiang)問題,在液壓缸的(de)(de)制造過(guo)程中(zhong)應(ying)嚴格控制缸體(ti)內(nei)壁和(he)活(huo)塞(sai)桿(gan)表(biao)面加(jia)工(gong)(gong)(gong)(gong)精(jing)度,特別是幾何精(jing)度,尤其直(zhi)(zhi)線度是關(guan)鍵(jian),在國(guo)(guo)內(nei)加(jia)工(gong)(gong)(gong)(gong)工(gong)(gong)(gong)(gong)藝中(zhong),活(huo)塞(sai)桿(gan)表(biao)面的(de)(de)加(jia)工(gong)(gong)(gong)(gong)基本上是車后(hou)磨(mo)(mo)削(xue),保(bao)證直(zhi)(zhi)線度問題不大,但對于缸體(ti)內(nei)壁的(de)(de)加(jia)工(gong)(gong)(gong)(gong),其加(jia)工(gong)(gong)(gong)(gong)方法很多,有鏜(tang)削(xue)-滾壓、鏜(tang)削(xue)-珩(heng)(heng)磨(mo)(mo)、直(zhi)(zhi)接(jie)珩(heng)(heng)磨(mo)(mo)等,但由于國(guo)(guo)內(nei)材料的(de)(de)基礎水平較國(guo)(guo)外有差(cha)距,管材坯(pi)料直(zhi)(zhi)線度差(cha),壁厚不均勻、硬度不均勻等因素,往(wang)往(wang)直(zhi)(zhi)接(jie)影(ying)(ying)響(xiang)缸體(ti)內(nei)壁加(jia)工(gong)(gong)(gong)(gong)后(hou)的(de)(de)直(zhi)(zhi)線度,因此建議采用鏜(tang)削(xue)-滾壓、鏜(tang)削(xue)-珩(heng)(heng)磨(mo)(mo)工(gong)(gong)(gong)(gong)藝,如直(zhi)(zhi)接(jie)珩(heng)(heng)磨(mo)(mo),則必須首先提高管材坯(pi)料的(de)(de)直(zhi)(zhi)線度。
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在允許的情況(kuang)下,液壓缸(gang)(gang)的缸(gang)(gang)體壁厚安全系數(shu)盡量(liang)選大一些,使(shi)缸(gang)(gang)體厚壁增加(jia),特別是高(gao)壓工況(kuang)下使(shi)用的油(you)缸(gang)(gang),以(yi)減小油(you)壓下的缸(gang)(gang)體變形(xing),變形(xing)后(hou)的缸(gang)(gang)體也會引起液壓缸(gang)(gang)低(di)速爬行。