
威海力建液壓設備廠
經營(ying)模式:生產加工
地址:山(shan)東省威海市羊亭孫家灘(tan)工業園
主(zhu)營:液(ye)壓(ya)缸,油(you)缸,液(ye)壓(ya)系統
業務熱線(xian):
QQ:3049278720
緩沖裝置
在液(ye)壓系統中(zhong)使用液(ye)壓缸(gang)驅動具(ju)有一定質量的機構,當(dang)液(ye)壓缸(gang)運動至行(xing)程終(zhong)點時(shi)具(ju)有較大動能(neng),如未作減速處(chu)理,液(ye)壓缸(gang)活(huo)塞(sai)與(yu)缸(gang)蓋將發生機械碰撞,產生沖擊(ji)、噪聲,有破壞性。為緩和及(ji)防止這種危害發生,因此可在液(ye)壓回路中(zhong)設(she)置(zhi)減速裝置(zhi)或在缸(gang)體內設(she)緩沖裝置(zhi)。
加工
缸(gang)筒(tong)作為液壓缸(gang)、礦用單體支(zhi)柱(zhu)、液壓支(zhi)架(jia)、炮管等產品的(de)(de)主要(yao)部件,其(qi)加(jia)工(gong)質(zhi)量的(de)(de)好壞直接(jie)影響整個產品的(de)(de)壽命和可靠性。缸(gang)筒(tong)加(jia)工(gong)要(yao)求(qiu)(qiu)高(gao),其(qi)內(nei)表面粗糙度要(yao)求(qiu)(qiu)為Ra0.4~0.8&um,對(dui)同軸度、耐磨(mo)性要(yao)求(qiu)(qiu)嚴格。缸(gang)筒(tong)的(de)(de)基(ji)本特征是深(shen)孔加(jia)工(gong),其(qi)加(jia)工(gong)一直困擾加(jia)工(gong)人員(yuan)。





油缸(gang)(gang)是工程(cheng)機(ji)械主要部件,傳統(tong)的(de)加工方(fang)法是:拉(la)削(xue)(xue)缸(gang)(gang)體(ti)(ti)(ti)——精(jing)鏜(tang)缸(gang)(gang)體(ti)(ti)(ti)——磨(mo)削(xue)(xue)缸(gang)(gang)體(ti)(ti)(ti)。采用滾(gun)壓方(fang)法是:拉(la)削(xue)(xue)缸(gang)(gang)體(ti)(ti)(ti)——精(jing)鏜(tang)缸(gang)(gang)體(ti)(ti)(ti)——滾(gun)壓缸(gang)(gang)體(ti)(ti)(ti),工序(xu)是3部分(fen),但(dan)時間上對比:磨(mo)削(xue)(xue)缸(gang)(gang)體(ti)(ti)(ti)1米大概(gai)在1-2天的(de)時間,滾(gun)壓缸(gang)(gang)體(ti)(ti)(ti)1米大概(gai)在10-30分(fen)鐘的(de)時間。投入(ru)對比:磨(mo)床或絎磨(mo)機(ji)(幾(ji)萬——幾(ji)百萬),滾(gun)壓刀(1仟(qian)——幾(ji)萬)。滾(gun)壓后(hou),孔表面粗糙度(du)由幢滾(gun)前Ra3.2~6.3um減小為Ra0.4~0.8&um,
液壓缸(gang)結構基本上(shang)可(ke)以分為缸(gang)筒和(he)(he)缸(gang)蓋、活(huo)塞(sai)和(he)(he)活(huo)塞(sai)桿、密封裝置(zhi)、緩(huan)沖裝置(zhi)和(he)(he)排(pai)氣(qi)裝置(zhi)五個部分。今天威海力(li)建小編著(zhu)(zhu)重帶著(zhu)(zhu)大(da)家(jia)了解一下缸(gang)筒和(he)(he)缸(gang)蓋。
缸(gang)筒和缸(gang)蓋(gai)
一般來說,缸筒(tong)(tong)和(he)(he)缸蓋的(de)(de)結構形(xing)式和(he)(he)其使(shi)用(yong)(yong)(yong)(yong)(yong)的(de)(de)材料有(you)關。工(gong)(gong)(gong)作(zuo)壓力p<10MPa時,使(shi)用(yong)(yong)(yong)(yong)(yong)鑄鐵;p<20MPa時,使(shi)用(yong)(yong)(yong)(yong)(yong)無縫鋼管;p>20MPa時,使(shi)用(yong)(yong)(yong)(yong)(yong)鑄鋼或(huo)鍛(duan)鋼。法(fa)蘭連(lian)(lian)接(jie)式,結構簡單(dan),容易加(jia)(jia)工(gong)(gong)(gong),也容易裝拆(chai),但(dan)外形(xing)尺(chi)寸和(he)(he)重量都較(jiao)大,常用(yong)(yong)(yong)(yong)(yong)于鑄鐵制(zhi)(zhi)的(de)(de)缸筒(tong)(tong)上。半環連(lian)(lian)接(jie)式,它的(de)(de)缸筒(tong)(tong)壁(bi)部(bu)因開了環形(xing)槽而削(xue)弱了強度(du),為(wei)此有(you)時要(yao)加(jia)(jia)厚缸壁(bi),它容易加(jia)(jia)工(gong)(gong)(gong)和(he)(he)裝拆(chai),重量較(jiao)輕,常用(yong)(yong)(yong)(yong)(yong)于無縫鋼管或(huo)鍛(duan)鋼制(zhi)(zhi)的(de)(de)缸筒(tong)(tong)上。螺紋連(lian)(lian)接(jie)式,它的(de)(de)缸筒(tong)(tong)端部(bu)結構復(fu)雜,外徑(jing)加(jia)(jia)工(gong)(gong)(gong)時要(yao)求保(bao)證內外徑(jing)同心(xin),裝拆(chai)要(yao)使(shi)用(yong)(yong)(yong)(yong)(yong)工(gong)(gong)(gong)具,它的(de)(de)外形(xing)尺(chi)寸和(he)(he)重量都較(jiao)小,常用(yong)(yong)(yong)(yong)(yong)于無縫鋼管或(huo)鑄鋼制(zhi)(zhi)的(de)(de)缸筒(tong)(tong)上。拉(la)桿(gan)連(lian)(lian)接(jie)式,結構的(de)(de)通用(yong)(yong)(yong)(yong)(yong)性(xing)大,容易加(jia)(jia)工(gong)(gong)(gong)和(he)(he)裝拆(chai),但(dan)外形(xing)尺(chi)寸較(jiao)大,且較(jiao)重。焊接(jie)連(lian)(lian)接(jie)式,結構簡單(dan),尺(chi)寸小,但(dan)缸底(di)處(chu)內徑(jing)不易加(jia)(jia)工(gong)(gong)(gong),且可(ke)能引(yin)起變(bian)形(xing)。