
威海力建液壓設備廠
經營模式:生產加工
地址:山東省威(wei)海(hai)市羊亭(ting)孫家灘工業(ye)園
主(zhu)營:液壓缸,油缸,液壓系(xi)統
業(ye)務熱線:
QQ:3049278720
活塞式液壓缸
單活塞桿液壓(ya)(ya)缸只有(you)一端有(you)活塞桿。如圖所示是(shi)一種單活塞液壓(ya)(ya)缸。其兩端進出(chu)口(kou)油(you)(you)(you)口(kou)A和(he)B都可通壓(ya)(ya)力油(you)(you)(you)或回油(you)(you)(you),以實現雙(shuang)向(xiang)運(yun)動,故稱為雙(shuang)作(zuo)用(yong)缸。
活(huo)塞僅能單向運動,其反方向運動需(xu)由外力(li)來(lai)完成。但其行程一般(ban)較活(huo)塞式(shi)液(ye)壓缸大。
活(huo)塞式(shi)(shi)液壓缸(gang)可分為單桿(gan)式(shi)(shi)和雙桿(gan)式(shi)(shi)兩(liang)種結構,其(qi)固(gu)(gu)定方式(shi)(shi)由缸(gang)體固(gu)(gu)定和活(huo)塞桿(gan)固(gu)(gu)定兩(liang)種。、





擺動式液壓缸
擺(bai)動(dong)(dong)式(shi)液(ye)壓(ya)缸(gang)是輸出扭矩并實(shi)現(xian)(xian)(xian)往(wang)復運(yun)動(dong)(dong)的執行(xing)元件,有(you)單葉片(pian)(pian)(pian)、雙(shuang)葉片(pian)(pian)(pian)、螺旋擺(bai)動(dong)(dong)等幾種形式(shi)。葉片(pian)(pian)(pian)式(shi)式(shi):定(ding)子塊固(gu)定(ding)在缸(gang)體上,而葉片(pian)(pian)(pian)和轉(zhuan)子連接在一起。根據進油方向(xiang),葉片(pian)(pian)(pian)將帶(dai)動(dong)(dong)轉(zhuan)子作往(wang)復擺(bai)動(dong)(dong)。螺旋擺(bai)動(dong)(dong)式(shi)又分單螺旋擺(bai)動(dong)(dong)和雙(shuang)螺旋兩種,現(xian)(xian)(xian)在雙(shuang)螺旋比較(jiao)常(chang)用,靠(kao)兩個螺旋副降液(ye)壓(ya)缸(gang)內活塞的直線(xian)運(yun)動(dong)(dong)轉(zhuan)變為直線(xian)運(yun)動(dong)(dong)與(yu)自轉(zhuan)運(yun)動(dong)(dong)的復he運(yun)動(dong)(dong),從而實(shi)現(xian)(xian)(xian)擺(bai)動(dong)(dong)運(yun)動(dong)(dong)。
油缸(gang)是(shi)(shi)工(gong)(gong)程機(ji)械主要部(bu)(bu)件,傳統的(de)加工(gong)(gong)方(fang)法(fa)是(shi)(shi):拉削缸(gang)體(ti)(ti)——精鏜缸(gang)體(ti)(ti)——磨削缸(gang)體(ti)(ti)。采用(yong)滾(gun)壓(ya)(ya)(ya)方(fang)法(fa)是(shi)(shi):拉削缸(gang)體(ti)(ti)——精鏜缸(gang)體(ti)(ti)——滾(gun)壓(ya)(ya)(ya)缸(gang)體(ti)(ti),工(gong)(gong)序是(shi)(shi)3部(bu)(bu)分,但時間(jian)上(shang)對比(bi):磨削缸(gang)體(ti)(ti)1米大概(gai)在1-2天的(de)時間(jian),滾(gun)壓(ya)(ya)(ya)缸(gang)體(ti)(ti)1米大概(gai)在10-30分鐘的(de)時間(jian)。投入對比(bi):磨床(chuang)或絎磨機(ji)(幾萬——幾百萬),滾(gun)壓(ya)(ya)(ya)刀(1仟——幾萬)。滾(gun)壓(ya)(ya)(ya)后,孔表(biao)面粗糙度由幢(chuang)滾(gun)前Ra3.2~6.3um減小為(wei)Ra0.4~0.8&um,

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