
威海力建液壓設備廠(chang)
經營(ying)模式:生產加工
地址:山(shan)東省威(wei)海(hai)市羊亭孫家灘工(gong)業園
主營:液(ye)壓缸,油缸,液(ye)壓系(xi)統(tong)
業(ye)務熱線(xian):
QQ:3049278720
采(cai)用滾壓(ya)加(jia)工,由于表面(mian)層留有(you)(you)表面(mian)殘余壓(ya)應力,有(you)(you)助于表面(mian)微小裂紋的封閉,阻礙侵蝕(shi)(shi)作用的擴(kuo)展。從而提高表面(mian)抗腐蝕(shi)(shi)能(neng)力,并能(neng)延(yan)緩疲勞裂紋的產生或擴(kuo)大,因而提高缸筒(tong)疲勞強度。通(tong)過(guo)滾壓(ya)成型(xing),滾壓(ya)表面(mian)形成一層冷(leng)作硬化層,減少(shao)了(le)磨(mo)削(xue)副接觸(chu)表面(mian)的彈性(xing)和塑性(xing)變(bian)形,從而提高了(le)缸筒(tong)內壁的耐(nai)磨(mo)性(xing),同時避(bi)免了(le)因磨(mo)削(xue)引起的shao傷。滾壓(ya)后(hou),表面(mian)粗糙度值的減小,可提高配合性(xing)質(zhi)。





油缸(gang)(gang)(gang)是(shi)工(gong)程機械主要部件,傳(chuan)統的(de)加工(gong)方(fang)法(fa)是(shi):拉(la)削(xue)缸(gang)(gang)(gang)體(ti)(ti)——精鏜缸(gang)(gang)(gang)體(ti)(ti)——磨(mo)削(xue)缸(gang)(gang)(gang)體(ti)(ti)。采(cai)用滾壓(ya)方(fang)法(fa)是(shi):拉(la)削(xue)缸(gang)(gang)(gang)體(ti)(ti)——精鏜缸(gang)(gang)(gang)體(ti)(ti)——滾壓(ya)缸(gang)(gang)(gang)體(ti)(ti),工(gong)序是(shi)3部分(fen),但時間(jian)上對比:磨(mo)削(xue)缸(gang)(gang)(gang)體(ti)(ti)1米(mi)大(da)概在1-2天(tian)的(de)時間(jian),滾壓(ya)缸(gang)(gang)(gang)體(ti)(ti)1米(mi)大(da)概在10-30分(fen)鐘的(de)時間(jian)。投入對比:磨(mo)床或(huo)絎磨(mo)機(幾(ji)(ji)萬——幾(ji)(ji)百萬),滾壓(ya)刀(dao)(1仟——幾(ji)(ji)萬)。滾壓(ya)后,孔(kong)表面粗糙度(du)由幢(chuang)滾前Ra3.2~6.3um減小為Ra0.4~0.8&um,
液壓缸(gang)結構基(ji)本上可以分(fen)為(wei)缸(gang)筒和(he)缸(gang)蓋(gai)(gai)、活塞和(he)活塞桿、密封裝置(zhi)、緩沖(chong)裝置(zhi)和(he)排(pai)氣裝置(zhi)五(wu)個部分(fen)。今天威(wei)海力建小編著重帶(dai)著大家了解一下缸(gang)筒和(he)缸(gang)蓋(gai)(gai)。
缸筒和缸蓋
一般來說,缸(gang)(gang)筒(tong)(tong)和(he)缸(gang)(gang)蓋的(de)結(jie)構(gou)形(xing)式(shi)和(he)其使(shi)用(yong)(yong)的(de)材料有(you)關。工(gong)(gong)(gong)作(zuo)壓力p<10MPa時(shi)(shi)(shi),使(shi)用(yong)(yong)鑄鐵(tie);p<20MPa時(shi)(shi)(shi),使(shi)用(yong)(yong)無縫(feng)鋼管;p>20MPa時(shi)(shi)(shi),使(shi)用(yong)(yong)鑄鋼或(huo)鍛鋼。法蘭(lan)連(lian)接式(shi),結(jie)構(gou)簡(jian)單,容(rong)易加工(gong)(gong)(gong),也容(rong)易裝拆,但外形(xing)尺(chi)寸(cun)和(he)重量(liang)(liang)都(dou)較大,常用(yong)(yong)于鑄鐵(tie)制的(de)缸(gang)(gang)筒(tong)(tong)上。半環連(lian)接式(shi),它(ta)的(de)缸(gang)(gang)筒(tong)(tong)壁部因開了環形(xing)槽而削弱了強(qiang)度,為此有(you)時(shi)(shi)(shi)要(yao)(yao)加厚缸(gang)(gang)壁,它(ta)容(rong)易加工(gong)(gong)(gong)和(he)裝拆,重量(liang)(liang)較輕,常用(yong)(yong)于無縫(feng)鋼管或(huo)鍛鋼制的(de)缸(gang)(gang)筒(tong)(tong)上。螺紋連(lian)接式(shi),它(ta)的(de)缸(gang)(gang)筒(tong)(tong)端部結(jie)構(gou)復(fu)雜(za),外徑加工(gong)(gong)(gong)時(shi)(shi)(shi)要(yao)(yao)求保證內外徑同心,裝拆要(yao)(yao)使(shi)用(yong)(yong)工(gong)(gong)(gong)具(ju),它(ta)的(de)外形(xing)尺(chi)寸(cun)和(he)重量(liang)(liang)都(dou)較小,常用(yong)(yong)于無縫(feng)鋼管或(huo)鑄鋼制的(de)缸(gang)(gang)筒(tong)(tong)上。拉(la)桿連(lian)接式(shi),結(jie)構(gou)的(de)通用(yong)(yong)性大,容(rong)易加工(gong)(gong)(gong)和(he)裝拆,但外形(xing)尺(chi)寸(cun)較大,且較重。焊接連(lian)接式(shi),結(jie)構(gou)簡(jian)單,尺(chi)寸(cun)小,但缸(gang)(gang)底處(chu)內徑不易加工(gong)(gong)(gong),且可(ke)能引起變形(xing)。