
威海力建液壓設備廠
經營模式:生產加(jia)工
地址(zhi):山(shan)東省威海市羊(yang)亭孫家(jia)灘工業園(yuan)
主營:液(ye)壓缸(gang)(gang),油缸(gang)(gang),液(ye)壓系(xi)統
業務(wu)熱(re)線(xian):
QQ:3049278720
擺動式液壓缸
擺(bai)動(dong)(dong)(dong)式(shi)液壓缸(gang)(gang)是(shi)輸(shu)出扭矩并(bing)實(shi)現往復(fu)(fu)運動(dong)(dong)(dong)的(de)執行元(yuan)件,有單葉片(pian)、雙(shuang)葉片(pian)、螺(luo)旋(xuan)(xuan)(xuan)擺(bai)動(dong)(dong)(dong)等(deng)幾(ji)種(zhong)形式(shi)。葉片(pian)式(shi)式(shi):定(ding)子塊(kuai)固定(ding)在缸(gang)(gang)體上,而葉片(pian)和轉(zhuan)子連接在一起(qi)。根據進(jin)油方(fang)向(xiang),葉片(pian)將(jiang)帶動(dong)(dong)(dong)轉(zhuan)子作往復(fu)(fu)擺(bai)動(dong)(dong)(dong)。螺(luo)旋(xuan)(xuan)(xuan)擺(bai)動(dong)(dong)(dong)式(shi)又(you)分單螺(luo)旋(xuan)(xuan)(xuan)擺(bai)動(dong)(dong)(dong)和雙(shuang)螺(luo)旋(xuan)(xuan)(xuan)兩種(zhong),現在雙(shuang)螺(luo)旋(xuan)(xuan)(xuan)比(bi)較常用,靠兩個螺(luo)旋(xuan)(xuan)(xuan)副降液壓缸(gang)(gang)內(nei)活(huo)塞的(de)直(zhi)線(xian)運動(dong)(dong)(dong)轉(zhuan)變(bian)為直(zhi)線(xian)運動(dong)(dong)(dong)與自轉(zhuan)運動(dong)(dong)(dong)的(de)復(fu)(fu)he運動(dong)(dong)(dong),從而實(shi)現擺(bai)動(dong)(dong)(dong)運動(dong)(dong)(dong)。





例如:活(huo)塞(sai)與活(huo)塞(sai)桿(gan)不(bu)同心或活(huo)塞(sai)桿(gan)彎曲,液壓缸或活(huo)塞(sai)桿(gan)對(dui)導(dao)軌(gui)安(an)裝(zhuang)位置(zhi)偏移(yi),密封環(huan)裝(zhuang)得(de)過緊(jin)或過松等。解決方法(fa)是重新修理(li)或調整(zheng),更換損傷的零(ling)件及清除鐵屑(xie)。
(2)潤滑(hua)不良(liang)或液壓缸孔(kong)徑(jing)加(jia)工超差。因為活塞(sai)與(yu)缸筒、導軌(gui)與(yu)活塞(sai)桿等均有相(xiang)對運動(dong),如(ru)果潤滑(hua)不良(liang)或液壓缸孔(kong)徑(jing)超差,就會加(jia)劇磨(mo)損,使缸筒中心線直(zhi)線性(xing)降低。(威(wei)海力建冶金液壓設備(bei)廠)
零部件加(jia)(jia)工(gong)精度(du)(du)(du)(du)(du)的(de)影響問(wen)題(ti),在液壓(ya)(ya)缸(gang)(gang)(gang)的(de)制造過程中應嚴格控制缸(gang)(gang)(gang)體(ti)內壁和(he)活塞桿表面加(jia)(jia)工(gong)精度(du)(du)(du)(du)(du),特別是(shi)幾何精度(du)(du)(du)(du)(du),尤其直(zhi)線(xian)(xian)度(du)(du)(du)(du)(du)是(shi)關(guan)鍵,在國內加(jia)(jia)工(gong)工(gong)藝(yi)中,活塞桿表面的(de)加(jia)(jia)工(gong)基(ji)(ji)本(ben)上是(shi)車后(hou)(hou)磨(mo)(mo)削(xue)(xue),保證直(zhi)線(xian)(xian)度(du)(du)(du)(du)(du)問(wen)題(ti)不(bu)大,但(dan)對于缸(gang)(gang)(gang)體(ti)內壁的(de)加(jia)(jia)工(gong),其加(jia)(jia)工(gong)方法(fa)很多(duo),有鏜削(xue)(xue)-滾壓(ya)(ya)、鏜削(xue)(xue)-珩(heng)磨(mo)(mo)、直(zhi)接珩(heng)磨(mo)(mo)等,但(dan)由于國內材料(liao)的(de)基(ji)(ji)礎水平較國外有差距,管材坯料(liao)直(zhi)線(xian)(xian)度(du)(du)(du)(du)(du)差,壁厚不(bu)均(jun)勻(yun)、硬(ying)度(du)(du)(du)(du)(du)不(bu)均(jun)勻(yun)等因(yin)(yin)素,往往直(zhi)接影響缸(gang)(gang)(gang)體(ti)內壁加(jia)(jia)工(gong)后(hou)(hou)的(de)直(zhi)線(xian)(xian)度(du)(du)(du)(du)(du),因(yin)(yin)此建議采用鏜削(xue)(xue)-滾壓(ya)(ya)、鏜削(xue)(xue)-珩(heng)磨(mo)(mo)工(gong)藝(yi),如直(zhi)接珩(heng)磨(mo)(mo),則必須首先(xian)提高(gao)管材坯料(liao)的(de)直(zhi)線(xian)(xian)度(du)(du)(du)(du)(du)。
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在允許的(de)情況(kuang)(kuang)下,液壓缸的(de)缸體(ti)壁厚安全(quan)系(xi)數盡量(liang)選大一些,使缸體(ti)厚壁增加,特別是高壓工況(kuang)(kuang)下使用的(de)油(you)(you)缸,以減小油(you)(you)壓下的(de)缸體(ti)變形,變形后的(de)缸體(ti)也會引起液壓缸低速爬行。