
威海(hai)力建(jian)液壓設備(bei)廠
經營模式:生(sheng)產(chan)加工
地址:山東省威海市羊亭(ting)孫家(jia)灘(tan)工業園
主營:液(ye)壓(ya)缸(gang),油缸(gang),液(ye)壓(ya)系(xi)統
業務熱線:
QQ:3049278720
擺動式液壓缸
擺(bai)動(dong)(dong)式(shi)液(ye)壓(ya)缸(gang)是輸(shu)出扭矩并實(shi)現(xian)往復(fu)運(yun)動(dong)(dong)的(de)(de)執行(xing)元件,有單葉(xie)片(pian)(pian)、雙葉(xie)片(pian)(pian)、螺(luo)旋(xuan)擺(bai)動(dong)(dong)等幾種(zhong)形式(shi)。葉(xie)片(pian)(pian)式(shi)式(shi):定(ding)子(zi)塊固定(ding)在(zai)缸(gang)體上,而葉(xie)片(pian)(pian)和轉子(zi)連(lian)接在(zai)一起。根據進油方向,葉(xie)片(pian)(pian)將帶動(dong)(dong)轉子(zi)作往復(fu)擺(bai)動(dong)(dong)。螺(luo)旋(xuan)擺(bai)動(dong)(dong)式(shi)又(you)分單螺(luo)旋(xuan)擺(bai)動(dong)(dong)和雙螺(luo)旋(xuan)兩(liang)種(zhong),現(xian)在(zai)雙螺(luo)旋(xuan)比(bi)較常(chang)用,靠兩(liang)個螺(luo)旋(xuan)副(fu)降液(ye)壓(ya)缸(gang)內活塞(sai)的(de)(de)直線(xian)運(yun)動(dong)(dong)轉變為直線(xian)運(yun)動(dong)(dong)與自轉運(yun)動(dong)(dong)的(de)(de)復(fu)he運(yun)動(dong)(dong),從而實(shi)現(xian)擺(bai)動(dong)(dong)運(yun)動(dong)(dong)。





采用滾(gun)(gun)壓(ya)加工,由于(yu)表(biao)(biao)面(mian)(mian)(mian)(mian)層(ceng)留有表(biao)(biao)面(mian)(mian)(mian)(mian)殘(can)余壓(ya)應力,有助于(yu)表(biao)(biao)面(mian)(mian)(mian)(mian)微小裂紋的(de)封閉,阻(zu)礙侵蝕作(zuo)用的(de)擴(kuo)展。從而(er)提(ti)高(gao)表(biao)(biao)面(mian)(mian)(mian)(mian)抗腐蝕能(neng)力,并能(neng)延緩疲勞裂紋的(de)產生或擴(kuo)大,因而(er)提(ti)高(gao)缸(gang)筒(tong)疲勞強度(du)。通過滾(gun)(gun)壓(ya)成(cheng)(cheng)型,滾(gun)(gun)壓(ya)表(biao)(biao)面(mian)(mian)(mian)(mian)形成(cheng)(cheng)一層(ceng)冷作(zuo)硬(ying)化(hua)層(ceng),減(jian)(jian)少了(le)磨(mo)(mo)削副接觸(chu)表(biao)(biao)面(mian)(mian)(mian)(mian)的(de)彈性(xing)(xing)和塑性(xing)(xing)變形,從而(er)提(ti)高(gao)了(le)缸(gang)筒(tong)內壁的(de)耐磨(mo)(mo)性(xing)(xing),同時避(bi)免了(le)因磨(mo)(mo)削引起(qi)的(de)shao傷(shang)。滾(gun)(gun)壓(ya)后,表(biao)(biao)面(mian)(mian)(mian)(mian)粗糙度(du)值的(de)減(jian)(jian)小,可(ke)提(ti)高(gao)配合性(xing)(xing)質(zhi)。
(5)液壓缸(gang)初始(shi)動作緩(huan)慢。在(zai)溫(wen)度較(jiao)低的情況下,液壓油黏度大,流動性(xing)差(cha),導(dao)致液壓缸(gang)動作緩(huan)慢。改善方(fang)法(fa)是,更換黏溫(wen)性(xing)能較(jiao)好的液壓油,在(zai)低溫(wen)下可(ke)借助加熱(re)器或用(yong)機(ji)器自(zi)身加熱(re)以提升啟(qi)動時(shi)的油溫(wen),系統正常工作油溫(wen)應保持在(zai)40℃左右。
2、工作時不能(neng)驅動(dong)負載(zai)
主要表現(xian)為活塞桿(gan)停位(wei)不(bu)準、推力不(bu)足、速度(du)下(xia)降、工(gong)作不(bu)穩定等(deng),其(qi)原因是(shi):