
威海力建(jian)液壓設備廠
經營(ying)模式:生產加工
地址:山東省(sheng)威海市羊(yang)亭(ting)孫家灘工(gong)業園
主營:液(ye)壓缸,油(you)缸,液(ye)壓系統
業(ye)務(wu)熱線:
QQ:3049278720





緩沖裝置
在液(ye)(ye)壓(ya)系統中使用液(ye)(ye)壓(ya)缸(gang)(gang)驅(qu)動(dong)具(ju)有一定質(zhi)量的機構,當液(ye)(ye)壓(ya)缸(gang)(gang)運動(dong)至行程終(zhong)點(dian)時(shi)具(ju)有較(jiao)大動(dong)能,如未(wei)作減(jian)速處理(li),液(ye)(ye)壓(ya)缸(gang)(gang)活塞與缸(gang)(gang)蓋將發生機械碰撞,產生沖擊、噪(zao)聲(sheng),有破壞性。為緩和及防止這種危害發生,重載液(ye)(ye)壓(ya)缸(gang)(gang)廠(chang)家(jia),因(yin)此可在液(ye)(ye)壓(ya)回路中設(she)置(zhi)減(jian)速裝置(zhi)或在缸(gang)(gang)體內設(she)緩沖裝置(zhi)。
加工
缸筒(tong)作為(wei)(wei)液壓缸、礦(kuang)用單體支柱、液壓支架、炮管等產品(pin)的(de)主(zhu)要部件,重載液壓缸加(jia)工(gong),其加(jia)工(gong)質量的(de)好壞直接(jie)影響整個(ge)產品(pin)的(de)壽命和可靠性。缸筒(tong)加(jia)工(gong)要求(qiu)(qiu)高,其內表面粗糙度(du)要求(qiu)(qiu)為(wei)(wei)Ra0.4~0.8&um,對同軸度(du)、耐磨性要求(qiu)(qiu)嚴格(ge)。缸筒(tong)的(de)基本特征是深孔加(jia)工(gong),其加(jia)工(gong)一直困擾(rao)加(jia)工(gong)人員。
擺動式液壓缸
擺動(dong)(dong)(dong)式液壓(ya)缸是輸(shu)出扭矩(ju)并實(shi)現(xian)(xian)往復運(yun)動(dong)(dong)(dong)的執(zhi)行元件(jian),有單葉(xie)片(pian)、雙(shuang)葉(xie)片(pian)、螺旋(xuan)擺動(dong)(dong)(dong)等幾種形式。葉(xie)片(pian)式式:定子(zi)(zi)塊(kuai)固定在(zai)缸體(ti)上,而葉(xie)片(pian)和轉(zhuan)子(zi)(zi)連(lian)接(jie)在(zai)一起(qi)。根據進(jin)油方向,葉(xie)片(pian)將帶(dai)動(dong)(dong)(dong)轉(zhuan)子(zi)(zi)作往復擺動(dong)(dong)(dong)。螺旋(xuan)擺動(dong)(dong)(dong)式又分單螺旋(xuan)擺動(dong)(dong)(dong)和雙(shuang)螺旋(xuan)兩種,現(xian)(xian)在(zai)雙(shuang)螺旋(xuan)比較(jiao)常用,靠兩個螺旋(xuan)副(fu)降液壓(ya)缸內活塞的直線運(yun)動(dong)(dong)(dong)轉(zhuan)變為直線運(yun)動(dong)(dong)(dong)與自轉(zhuan)運(yun)動(dong)(dong)(dong)的復he運(yun)動(dong)(dong)(dong),從而實(shi)現(xian)(xian)擺動(dong)(dong)(dong)運(yun)動(dong)(dong)(dong)。
采用(yong)滾(gun)(gun)壓(ya)加工,由于表(biao)(biao)(biao)面(mian)層(ceng)(ceng)留有表(biao)(biao)(biao)面(mian)殘余壓(ya)應(ying)力(li),有助于表(biao)(biao)(biao)面(mian)微小裂紋的(de)封(feng)閉,阻(zu)礙侵蝕作用(yong)的(de)擴展。從而提高(gao)表(biao)(biao)(biao)面(mian)抗腐蝕能力(li),并能延緩疲勞(lao)裂紋的(de)產(chan)生(sheng)或擴大,因而提高(gao)缸(gang)(gang)筒疲勞(lao)強度(du)。通過滾(gun)(gun)壓(ya)成型,港(gang)西(xi)鎮重載液壓(ya)缸(gang)(gang),滾(gun)(gun)壓(ya)表(biao)(biao)(biao)面(mian)形成一層(ceng)(ceng)冷作硬化層(ceng)(ceng),減(jian)(jian)少了(le)(le)磨(mo)削副接觸表(biao)(biao)(biao)面(mian)的(de)彈(dan)性和塑性變(bian)形,從而提高(gao)了(le)(le)缸(gang)(gang)筒內壁的(de)耐(nai)磨(mo)性,同時避免了(le)(le)因磨(mo)削引起(qi)的(de)shao傷。滾(gun)(gun)壓(ya)后,表(biao)(biao)(biao)面(mian)粗糙度(du)值的(de)減(jian)(jian)小,可提高(gao)配合性質。
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