
威海力建液(ye)壓設(she)備廠
經(jing)營(ying)模式:生產加工
地址:山東省威海市(shi)羊(yang)亭(ting)孫家灘工(gong)業園
主營:液壓缸,油缸,液壓系統
業(ye)務熱線(xian):
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)驅動(dong)具(ju)有一定質量(liang)的機(ji)構(gou),當液(ye)(ye)壓(ya)缸(gang)(gang)運動(dong)至行(xing)程終點時具(ju)有較大動(dong)能,如未(wei)作減速處理,液(ye)(ye)壓(ya)缸(gang)(gang)活塞與缸(gang)(gang)蓋將發生(sheng)機(ji)械碰撞,產生(sheng)沖(chong)擊、噪聲,有破壞性。為緩和及防止這種(zhong)危(wei)害發生(sheng),因此可在液(ye)(ye)壓(ya)回路中設(she)置減速裝(zhuang)置或在缸(gang)(gang)體內設(she)緩沖(chong)裝(zhuang)置。
加工
缸筒(tong)作為(wei)(wei)液(ye)壓(ya)缸、礦用單體支(zhi)柱、液(ye)壓(ya)支(zhi)架、炮管等產(chan)品的(de)主要部件,其(qi)加工(gong)質量的(de)好壞(huai)直接影響整個產(chan)品的(de)壽命和可靠性。缸筒(tong)加工(gong)要求高,其(qi)內表面粗糙度要求為(wei)(wei)Ra0.4~0.8&um,對同軸(zhou)度、耐磨性要求嚴格(ge)。缸筒(tong)的(de)基本特征是深(shen)孔(kong)加工(gong),其(qi)加工(gong)一直困擾加工(gong)人員。





油缸(gang)是(shi)工(gong)程機(ji)械主要部件(jian),傳統(tong)的加工(gong)方法(fa)是(shi):拉削(xue)缸(gang)體(ti)(ti)——精鏜缸(gang)體(ti)(ti)——磨(mo)削(xue)缸(gang)體(ti)(ti)。采用滾(gun)壓方法(fa)是(shi):拉削(xue)缸(gang)體(ti)(ti)——精鏜缸(gang)體(ti)(ti)——滾(gun)壓缸(gang)體(ti)(ti),工(gong)序(xu)是(shi)3部分(fen),但(dan)時(shi)間上(shang)對比:磨(mo)削(xue)缸(gang)體(ti)(ti)1米大概在1-2天的時(shi)間,滾(gun)壓缸(gang)體(ti)(ti)1米大概在10-30分(fen)鐘(zhong)的時(shi)間。投入對比:磨(mo)床(chuang)或(huo)絎磨(mo)機(ji)(幾(ji)萬(wan)——幾(ji)百(bai)萬(wan)),滾(gun)壓刀(1仟——幾(ji)萬(wan))。滾(gun)壓后,孔表面粗糙度由(you)幢滾(gun)前(qian)Ra3.2~6.3um減小為(wei)Ra0.4~0.8&um,
液(ye)壓缸(gang)(gang)結(jie)構基(ji)本(ben)上(shang)可以分為缸(gang)(gang)筒(tong)和(he)缸(gang)(gang)蓋、活塞和(he)活塞桿、密封裝置(zhi)(zhi)、緩沖裝置(zhi)(zhi)和(he)排氣裝置(zhi)(zhi)五個部分。今天威海力建小編著重帶著大家了解(jie)一下缸(gang)(gang)筒(tong)和(he)缸(gang)(gang)蓋。
缸(gang)筒和缸(gang)蓋(gai)
一般來說,缸(gang)(gang)(gang)筒(tong)(tong)和缸(gang)(gang)(gang)蓋(gai)的(de)結(jie)構(gou)形(xing)(xing)(xing)式和其使(shi)用(yong)(yong)的(de)材(cai)料有(you)關。工(gong)作壓力(li)p<10MPa時,使(shi)用(yong)(yong)鑄鐵(tie);p<20MPa時,使(shi)用(yong)(yong)無縫鋼(gang)管;p>20MPa時,使(shi)用(yong)(yong)鑄鋼(gang)或鍛(duan)鋼(gang)。法蘭連接(jie)式,結(jie)構(gou)簡單,容(rong)(rong)易(yi)加(jia)工(gong),也容(rong)(rong)易(yi)裝(zhuang)(zhuang)拆(chai)(chai),但外(wai)形(xing)(xing)(xing)尺(chi)寸和重(zhong)(zhong)量(liang)(liang)都(dou)較(jiao)(jiao)大(da),常(chang)用(yong)(yong)于鑄鐵(tie)制(zhi)的(de)缸(gang)(gang)(gang)筒(tong)(tong)上(shang)(shang)。半環連接(jie)式,它的(de)缸(gang)(gang)(gang)筒(tong)(tong)壁部因開(kai)了(le)環形(xing)(xing)(xing)槽而(er)削弱了(le)強度,為(wei)此(ci)有(you)時要(yao)加(jia)厚缸(gang)(gang)(gang)壁,它容(rong)(rong)易(yi)加(jia)工(gong)和裝(zhuang)(zhuang)拆(chai)(chai),重(zhong)(zhong)量(liang)(liang)較(jiao)(jiao)輕,常(chang)用(yong)(yong)于無縫鋼(gang)管或鍛(duan)鋼(gang)制(zhi)的(de)缸(gang)(gang)(gang)筒(tong)(tong)上(shang)(shang)。螺紋連接(jie)式,它的(de)缸(gang)(gang)(gang)筒(tong)(tong)端部結(jie)構(gou)復雜,外(wai)徑(jing)加(jia)工(gong)時要(yao)求保證內外(wai)徑(jing)同心,裝(zhuang)(zhuang)拆(chai)(chai)要(yao)使(shi)用(yong)(yong)工(gong)具(ju),它的(de)外(wai)形(xing)(xing)(xing)尺(chi)寸和重(zhong)(zhong)量(liang)(liang)都(dou)較(jiao)(jiao)小(xiao),常(chang)用(yong)(yong)于無縫鋼(gang)管或鑄鋼(gang)制(zhi)的(de)缸(gang)(gang)(gang)筒(tong)(tong)上(shang)(shang)。拉桿(gan)連接(jie)式,結(jie)構(gou)的(de)通用(yong)(yong)性大(da),容(rong)(rong)易(yi)加(jia)工(gong)和裝(zhuang)(zhuang)拆(chai)(chai),但外(wai)形(xing)(xing)(xing)尺(chi)寸較(jiao)(jiao)大(da),且較(jiao)(jiao)重(zhong)(zhong)。焊接(jie)連接(jie)式,結(jie)構(gou)簡單,尺(chi)寸小(xiao),但缸(gang)(gang)(gang)底處(chu)內徑(jing)不易(yi)加(jia)工(gong),且可能(neng)引起變(bian)形(xing)(xing)(xing)。