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擺動式液壓缸

擺(bai)(bai)(bai)動(dong)(dong)(dong)(dong)式液(ye)(ye)壓(ya)缸(gang)是(shi)輸出(chu)扭(niu)矩并實現(xian)往復(fu)運(yun)(yun)(yun)(yun)動(dong)(dong)(dong)(dong)的(de)執行元件，有單葉片(pian)、雙葉片(pian)、螺(luo)旋(xuan)(xuan)擺(bai)(bai)(bai)動(dong)(dong)(dong)(dong)等幾種形式。葉片(pian)式式：定(ding)子(zi)塊(kuai)固定(ding)在(zai)(zai)缸(gang)體上，而(er)葉片(pian)和轉子(zi)連接在(zai)(zai)一起(qi)。根據進油方向，葉片(pian)將帶動(dong)(dong)(dong)(dong)轉子(zi)作往復(fu)擺(bai)(bai)(bai)動(dong)(dong)(dong)(dong)。螺(luo)旋(xuan)(xuan)擺(bai)(bai)(bai)動(dong)(dong)(dong)(dong)式又分單螺(luo)旋(xuan)(xuan)擺(bai)(bai)(bai)動(dong)(dong)(dong)(dong)和雙螺(luo)旋(xuan)(xuan)兩種，現(xian)在(zai)(zai)雙螺(luo)旋(xuan)(xuan)比(bi)較常用，CDCG250系列(lie)重載液(ye)(ye)壓(ya)缸(gang)生產(chan)商，靠兩個螺(luo)旋(xuan)(xuan)副降(jiang)液(ye)(ye)壓(ya)缸(gang)內活(huo)塞的(de)直線運(yun)(yun)(yun)(yun)動(dong)(dong)(dong)(dong)轉變為直線運(yun)(yun)(yun)(yun)動(dong)(dong)(dong)(dong)與自轉運(yun)(yun)(yun)(yun)動(dong)(dong)(dong)(dong)的(de)復(fu)he運(yun)(yun)(yun)(yun)動(dong)(dong)(dong)(dong)，CDCG350系列(lie)重載液(ye)(ye)壓(ya)缸(gang)生產(chan)商，從而(er)實現(xian)擺(bai)(bai)(bai)動(dong)(dong)(dong)(dong)運(yun)(yun)(yun)(yun)動(dong)(dong)(dong)(dong)。

3、叉車叉架下降速度太快

故(gu)障(zhang)檢查：節流閥卡(ka)在打開位(wei)置或裝(zhuang)反

故(gu)障排除：重裝節流閥(fa)

4、叉車起升缸自由下滑量(liang)太大(da)或傾斜(xie)缸自傾角太大(da)

故障檢(jian)查：換(huan)向閥(fa)閥(fa)桿(gan)內(nei)泄(xie)漏太大(da)，傾斜缸活塞密(mi)封圈失效內(nei)漏

故障排除(chu)：更換閥桿或更換密(mi)封圈(quan)

5、液壓缸活(huo)塞桿帶油

故(gu)障檢查(cha)：油封是(shi)否損壞

故(gu)障(zhang)排除(chu)：更換油封（威海力建冶金液壓設備廠(chang)推薦(jian)）

③ 缸體內表面所鍍(du)硬鉻層發生剝離一般認(ren)為，電(dian)鍍(du)硬鉻層發生剝離的原因如下。

a.電(dian)(dian)鍍(du)層(ceng)黏結不(bu)好(hao)。電(dian)(dian)鍍(du)層(ceng)黏結不(bu)好(hao)的(de)主要原(yuan)因是：電(dian)(dian)鍍(du)前，零(ling)件的(de)除油脫脂處理不(bu)充分；零(ling)件表面活化處理不(bu)徹底(di)，氧化膜層(ceng)未去除掉。

b.硬輅層磨損。電鍍硬鉻層的磨損，威海液壓缸生產商，多(duo)數是由于(yu)活塞的(de)摩擦(ca)鐵(tie)粉的(de)研磨作用(yong)造(zao)成的(de)， 中間夾有(you)水分時，磨損更快(kuai)。（威海力建冶(ye)金液壓設備廠）