
威海力建液壓設備(bei)廠(chang)
經營模式:生產加工
地址:山東省威海市羊亭孫家灘工業(ye)園
主(zhu)營:液(ye)壓缸(gang)(gang),油缸(gang)(gang),液(ye)壓系(xi)統
業務熱線:
QQ:3049278720
緩沖裝置
在液(ye)(ye)壓系統(tong)中使(shi)用液(ye)(ye)壓缸驅動(dong)具(ju)有(you)一(yi)定質(zhi)量的(de)機構,當液(ye)(ye)壓缸運(yun)動(dong)至行程終點(dian)時具(ju)有(you)較大(da)動(dong)能,如(ru)未作減(jian)速(su)處理,液(ye)(ye)壓缸活塞與缸蓋將發(fa)生機械(xie)碰撞(zhuang),產生沖(chong)擊、噪(zao)聲,有(you)破壞性。為緩(huan)和及(ji)防止這種危害(hai)發(fa)生,因此可在液(ye)(ye)壓回路中設(she)置減(jian)速(su)裝置或在缸體內(nei)設(she)緩(huan)沖(chong)裝置。
加工
缸(gang)筒作(zuo)為(wei)液(ye)壓缸(gang)、礦用(yong)單體支(zhi)柱、液(ye)壓支(zhi)架(jia)、炮管等產(chan)品的(de)(de)(de)(de)主要(yao)部(bu)件,其加(jia)(jia)(jia)工質(zhi)量的(de)(de)(de)(de)好(hao)壞直(zhi)接影響整個產(chan)品的(de)(de)(de)(de)壽命和(he)可(ke)靠性。缸(gang)筒加(jia)(jia)(jia)工要(yao)求(qiu)(qiu)高,其內表面粗(cu)糙(cao)度要(yao)求(qiu)(qiu)為(wei)Ra0.4~0.8&um,對同軸度、耐磨性要(yao)求(qiu)(qiu)嚴格。缸(gang)筒的(de)(de)(de)(de)基(ji)本(ben)特征(zheng)是深孔加(jia)(jia)(jia)工,其加(jia)(jia)(jia)工一直(zhi)困擾(rao)加(jia)(jia)(jia)工人(ren)員。





油缸(gang)是(shi)工程(cheng)機(ji)械主要部(bu)件,傳(chuan)統的(de)加(jia)工方法(fa)是(shi):拉削(xue)(xue)缸(gang)體(ti)(ti)(ti)——精鏜缸(gang)體(ti)(ti)(ti)——磨(mo)削(xue)(xue)缸(gang)體(ti)(ti)(ti)。采用滾(gun)壓方法(fa)是(shi):拉削(xue)(xue)缸(gang)體(ti)(ti)(ti)——精鏜缸(gang)體(ti)(ti)(ti)——滾(gun)壓缸(gang)體(ti)(ti)(ti),工序是(shi)3部(bu)分,但時(shi)(shi)間(jian)上對比(bi):磨(mo)削(xue)(xue)缸(gang)體(ti)(ti)(ti)1米大(da)概(gai)(gai)在1-2天的(de)時(shi)(shi)間(jian),滾(gun)壓缸(gang)體(ti)(ti)(ti)1米大(da)概(gai)(gai)在10-30分鐘的(de)時(shi)(shi)間(jian)。投入對比(bi):磨(mo)床或絎(heng)磨(mo)機(ji)(幾萬(wan)——幾百(bai)萬(wan)),滾(gun)壓刀(1仟——幾萬(wan))。滾(gun)壓后(hou),孔表面粗糙度由幢滾(gun)前(qian)Ra3.2~6.3um減小(xiao)為(wei)Ra0.4~0.8&um,
液壓缸結構基本上可以分(fen)為缸筒(tong)(tong)和(he)缸蓋(gai)(gai)、活塞和(he)活塞桿、密封裝(zhuang)置(zhi)、緩(huan)沖裝(zhuang)置(zhi)和(he)排氣裝(zhuang)置(zhi)五個部分(fen)。今天(tian)威(wei)海力建(jian)小編著重帶著大家(jia)了解一下缸筒(tong)(tong)和(he)缸蓋(gai)(gai)。
缸筒和缸蓋(gai)
一(yi)般來說,缸(gang)(gang)筒和(he)(he)缸(gang)(gang)蓋(gai)的結構(gou)形(xing)(xing)式(shi)和(he)(he)其使(shi)用(yong)(yong)(yong)的材料有(you)關(guan)。工(gong)(gong)(gong)作壓力p<10MPa時(shi),使(shi)用(yong)(yong)(yong)鑄鐵;p<20MPa時(shi),使(shi)用(yong)(yong)(yong)無縫鋼(gang)(gang)管(guan);p>20MPa時(shi),使(shi)用(yong)(yong)(yong)鑄鋼(gang)(gang)或鍛(duan)鋼(gang)(gang)。法蘭連接(jie)(jie)(jie)式(shi),結構(gou)簡單,容易(yi)加(jia)(jia)工(gong)(gong)(gong),也(ye)容易(yi)裝(zhuang)拆(chai)(chai),但(dan)外形(xing)(xing)尺寸(cun)和(he)(he)重量(liang)都較(jiao)大,常用(yong)(yong)(yong)于(yu)鑄鐵制的缸(gang)(gang)筒上。半環(huan)連接(jie)(jie)(jie)式(shi),它(ta)(ta)的缸(gang)(gang)筒壁(bi)部因開了環(huan)形(xing)(xing)槽(cao)而(er)削弱了強(qiang)度(du),為此有(you)時(shi)要加(jia)(jia)厚缸(gang)(gang)壁(bi),它(ta)(ta)容易(yi)加(jia)(jia)工(gong)(gong)(gong)和(he)(he)裝(zhuang)拆(chai)(chai),重量(liang)較(jiao)輕(qing),常用(yong)(yong)(yong)于(yu)無縫鋼(gang)(gang)管(guan)或鍛(duan)鋼(gang)(gang)制的缸(gang)(gang)筒上。螺紋連接(jie)(jie)(jie)式(shi),它(ta)(ta)的缸(gang)(gang)筒端部結構(gou)復雜,外徑(jing)加(jia)(jia)工(gong)(gong)(gong)時(shi)要求保證內(nei)外徑(jing)同(tong)心,裝(zhuang)拆(chai)(chai)要使(shi)用(yong)(yong)(yong)工(gong)(gong)(gong)具,它(ta)(ta)的外形(xing)(xing)尺寸(cun)和(he)(he)重量(liang)都較(jiao)小,常用(yong)(yong)(yong)于(yu)無縫鋼(gang)(gang)管(guan)或鑄鋼(gang)(gang)制的缸(gang)(gang)筒上。拉桿連接(jie)(jie)(jie)式(shi),結構(gou)的通用(yong)(yong)(yong)性大,容易(yi)加(jia)(jia)工(gong)(gong)(gong)和(he)(he)裝(zhuang)拆(chai)(chai),但(dan)外形(xing)(xing)尺寸(cun)較(jiao)大,且較(jiao)重。焊接(jie)(jie)(jie)連接(jie)(jie)(jie)式(shi),結構(gou)簡單,尺寸(cun)小,但(dan)缸(gang)(gang)底處內(nei)徑(jing)不易(yi)加(jia)(jia)工(gong)(gong)(gong),且可能引起變形(xing)(xing)。