
威海力建液壓設備(bei)廠
經營模式:生產(chan)加工
地(di)址:山東(dong)省威海市羊亭孫家(jia)灘(tan)工業(ye)園
主營:液壓缸(gang)(gang),油(you)缸(gang)(gang),液壓系統(tong)
業務熱(re)線:
QQ:3049278720
活塞式液壓缸
單(dan)(dan)活(huo)塞(sai)桿(gan)液(ye)壓(ya)(ya)缸只(zhi)有一端有活(huo)塞(sai)桿(gan)。如圖所示(shi)是一種單(dan)(dan)活(huo)塞(sai)液(ye)壓(ya)(ya)缸。其(qi)兩(liang)端進(jin)出口油(you)口A和B都可(ke)通(tong)壓(ya)(ya)力油(you)或(huo)回油(you),以實現雙向運動,故(gu)稱(cheng)為雙作用缸。
活塞(sai)僅能(neng)單向運動,其反(fan)方向運動需由外(wai)力來(lai)完(wan)成。但(dan)其行程一般較(jiao)活塞(sai)式液壓缸大(da)。
活(huo)塞式液壓(ya)缸可(ke)分為單桿(gan)式和(he)雙(shuang)桿(gan)式兩(liang)種結構,其固(gu)定(ding)方式由缸體固(gu)定(ding)和(he)活(huo)塞桿(gan)固(gu)定(ding)兩(liang)種。、





擺動式液壓缸
擺(bai)動(dong)(dong)(dong)(dong)式(shi)液(ye)壓(ya)缸(gang)是輸出扭矩并實現(xian)往(wang)復運(yun)動(dong)(dong)(dong)(dong)的(de)執行元件,有單葉片(pian)、雙(shuang)葉片(pian)、螺(luo)旋(xuan)(xuan)(xuan)擺(bai)動(dong)(dong)(dong)(dong)等(deng)幾(ji)種形式(shi)。葉片(pian)式(shi)式(shi):定(ding)子塊固定(ding)在(zai)缸(gang)體(ti)上,而葉片(pian)和轉(zhuan)子連接在(zai)一起(qi)。根據(ju)進油方向,葉片(pian)將帶動(dong)(dong)(dong)(dong)轉(zhuan)子作往(wang)復擺(bai)動(dong)(dong)(dong)(dong)。螺(luo)旋(xuan)(xuan)(xuan)擺(bai)動(dong)(dong)(dong)(dong)式(shi)又(you)分單螺(luo)旋(xuan)(xuan)(xuan)擺(bai)動(dong)(dong)(dong)(dong)和雙(shuang)螺(luo)旋(xuan)(xuan)(xuan)兩種,現(xian)在(zai)雙(shuang)螺(luo)旋(xuan)(xuan)(xuan)比(bi)較常用,靠兩個螺(luo)旋(xuan)(xuan)(xuan)副降液(ye)壓(ya)缸(gang)內活塞的(de)直線(xian)運(yun)動(dong)(dong)(dong)(dong)轉(zhuan)變為直線(xian)運(yun)動(dong)(dong)(dong)(dong)與自(zi)轉(zhuan)運(yun)動(dong)(dong)(dong)(dong)的(de)復he運(yun)動(dong)(dong)(dong)(dong),從(cong)而實現(xian)擺(bai)動(dong)(dong)(dong)(dong)運(yun)動(dong)(dong)(dong)(dong)。
油缸(gang)(gang)是(shi)(shi)工(gong)程機(ji)(ji)械(xie)主要部件,傳統的(de)加工(gong)方法是(shi)(shi):拉削(xue)缸(gang)(gang)體(ti)(ti)(ti)——精(jing)鏜缸(gang)(gang)體(ti)(ti)(ti)——磨(mo)削(xue)缸(gang)(gang)體(ti)(ti)(ti)。采用(yong)滾壓方法是(shi)(shi):拉削(xue)缸(gang)(gang)體(ti)(ti)(ti)——精(jing)鏜缸(gang)(gang)體(ti)(ti)(ti)——滾壓缸(gang)(gang)體(ti)(ti)(ti),工(gong)序是(shi)(shi)3部分(fen),但時(shi)間(jian)上對(dui)比:磨(mo)削(xue)缸(gang)(gang)體(ti)(ti)(ti)1米大概在1-2天(tian)的(de)時(shi)間(jian),滾壓缸(gang)(gang)體(ti)(ti)(ti)1米大概在10-30分(fen)鐘的(de)時(shi)間(jian)。投入對(dui)比:磨(mo)床或絎磨(mo)機(ji)(ji)(幾(ji)萬——幾(ji)百萬),滾壓刀(1仟——幾(ji)萬)。滾壓后(hou),孔表面粗(cu)糙度由幢滾前Ra3.2~6.3um減小為Ra0.4~0.8&um,