
威海力建液壓設備廠
經(jing)營模式:生產加工
地址:山東省(sheng)威(wei)海市(shi)羊(yang)亭孫家灘工業園
主(zhu)營:液壓(ya)缸,油缸,液壓(ya)系統
業務熱(re)線(xian):
QQ:3049278720
液壓缸的分類
液壓缸(gang)的結(jie)構形式(shi)(shi)(shi)(shi)多種多樣,其分(fen)類(lei)方(fang)法也有多種:按(an)運(yun)動(dong)方(fang)式(shi)(shi)(shi)(shi)可(ke)(ke)分(fen)為直線往復運(yun)動(dong)式(shi)(shi)(shi)(shi)和回轉擺動(dong)式(shi)(shi)(shi)(shi);按(an)受液壓力作(zuo)用情況可(ke)(ke)分(fen)為單作(zuo)用式(shi)(shi)(shi)(shi)、雙作(zuo)用式(shi)(shi)(shi)(shi);按(an)結(jie)構形式(shi)(shi)(shi)(shi)可(ke)(ke)分(fen)為活塞式(shi)(shi)(shi)(shi)、柱塞式(shi)(shi)(shi)(shi)、多級伸縮(suo)套筒式(shi)(shi)(shi)(shi),齒(chi)輪齒(chi)條式(shi)(shi)(shi)(shi)等;按(an)安裝(zhuang)形式(shi)(shi)(shi)(shi)可(ke)(ke)分(fen)為拉(la)桿(gan)、耳環、底腳、鉸軸等;按(an)壓力等級可(ke)(ke)分(fen)為16Mpa、25Mpa、31.5Mpa等。(威(wei)海力建冶金液壓設備廠)





這樣,活(huo)塞在(zai)液壓(ya)缸內工(gong)作時(shi),摩擦阻力會(hui)時(shi)大時(shi)小,產生(sheng)滑移或爬行。排(pai)除辦(ban)法是先(xian)修(xiu)磨液壓(ya)缸,再按(an)配合要(yao)求(qiu)配制活(huo)塞,修(xiu)磨活(huo)塞桿(gan),配置(zhi)導向(xiang)套(tao)。
(3)液壓(ya)(ya)(ya)泵或(huo)液壓(ya)(ya)(ya)缸進入空氣。空氣壓(ya)(ya)(ya)縮或(huo)膨(peng)脹會造成(cheng)活塞(sai)滑移(yi)或(huo)爬行。排(pai)除(chu)措施是檢查液壓(ya)(ya)(ya)泵,設置(zhi)專門的排(pai)氣裝置(zhi),快速(su)操(cao)作(zuo)全行程往返數次排(pai)氣。
(4)密封件質量與滑(hua)移或爬行有(you)直接(jie)關系(xi)。
零部件加(jia)(jia)工(gong)(gong)(gong)精度(du)(du)(du)的(de)影響問(wen)題,在(zai)液壓缸(gang)的(de)制(zhi)造過程中應嚴格控制(zhi)缸(gang)體(ti)(ti)內(nei)壁和活塞(sai)桿表面加(jia)(jia)工(gong)(gong)(gong)精度(du)(du)(du),特別(bie)是幾何(he)精度(du)(du)(du),尤其直(zhi)(zhi)(zhi)線(xian)度(du)(du)(du)是關(guan)鍵,在(zai)國內(nei)加(jia)(jia)工(gong)(gong)(gong)工(gong)(gong)(gong)藝(yi)中,活塞(sai)桿表面的(de)加(jia)(jia)工(gong)(gong)(gong)基(ji)本上是車后(hou)(hou)磨(mo)削(xue),保(bao)證直(zhi)(zhi)(zhi)線(xian)度(du)(du)(du)問(wen)題不大,但(dan)對于(yu)缸(gang)體(ti)(ti)內(nei)壁的(de)加(jia)(jia)工(gong)(gong)(gong),其加(jia)(jia)工(gong)(gong)(gong)方法很(hen)多,有(you)鏜削(xue)-滾(gun)壓、鏜削(xue)-珩(heng)磨(mo)、直(zhi)(zhi)(zhi)接珩(heng)磨(mo)等,但(dan)由于(yu)國內(nei)材(cai)料(liao)的(de)基(ji)礎水平(ping)較國外有(you)差距(ju),管材(cai)坯(pi)料(liao)直(zhi)(zhi)(zhi)線(xian)度(du)(du)(du)差,壁厚(hou)不均勻、硬度(du)(du)(du)不均勻等因素,往往直(zhi)(zhi)(zhi)接影響缸(gang)體(ti)(ti)內(nei)壁加(jia)(jia)工(gong)(gong)(gong)后(hou)(hou)的(de)直(zhi)(zhi)(zhi)線(xian)度(du)(du)(du),因此建(jian)議采用鏜削(xue)-滾(gun)壓、鏜削(xue)-珩(heng)磨(mo)工(gong)(gong)(gong)藝(yi),如直(zhi)(zhi)(zhi)接珩(heng)磨(mo),則必(bi)須首先提高管材(cai)坯(pi)料(liao)的(de)直(zhi)(zhi)(zhi)線(xian)度(du)(du)(du)。
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在允許的(de)情況(kuang)下,液壓(ya)缸(gang)的(de)缸(gang)體壁(bi)厚安(an)全(quan)系數(shu)盡量(liang)選(xuan)大(da)一些(xie),使(shi)(shi)缸(gang)體厚壁(bi)增加,特別是高壓(ya)工況(kuang)下使(shi)(shi)用的(de)油缸(gang),以減小油壓(ya)下的(de)缸(gang)體變形(xing),變形(xing)后的(de)缸(gang)體也會引起(qi)液壓(ya)缸(gang)低速(su)爬行。