
威海(hai)力建(jian)液壓設(she)備廠
經營(ying)模(mo)式:生產(chan)加(jia)工
地(di)址(zhi):山東省威海市羊亭孫家(jia)灘工業園
主營:液壓缸,油缸,液壓系統
業務熱線:
QQ:3049278720
緩沖裝置
在液壓(ya)(ya)系統中使用(yong)液壓(ya)(ya)缸驅動具有(you)一(yi)定質(zhi)量的機構,當液壓(ya)(ya)缸運動至行(xing)程(cheng)終點時(shi)具有(you)較大動能(neng),如未(wei)作減速(su)處(chu)理,液壓(ya)(ya)缸活(huo)塞與缸蓋將(jiang)發(fa)生(sheng)機械碰(peng)撞(zhuang),產生(sheng)沖(chong)(chong)擊、噪聲,有(you)破壞(huai)性。為(wei)緩和及(ji)防(fang)止這種危害發(fa)生(sheng),因此(ci)可在液壓(ya)(ya)回路中設(she)置(zhi)減速(su)裝置(zhi)或在缸體內設(she)緩沖(chong)(chong)裝置(zhi)。
加工
缸(gang)筒作為液(ye)壓缸(gang)、礦用單體支(zhi)柱(zhu)、液(ye)壓支(zhi)架(jia)、炮管(guan)等產(chan)品的主要(yao)部件,其加(jia)工質(zhi)量的好壞(huai)直接影響整(zheng)個產(chan)品的壽命(ming)和可靠性。缸(gang)筒加(jia)工要(yao)求高(gao),其內表面粗糙度(du)要(yao)求為Ra0.4~0.8&um,對(dui)同軸度(du)、耐磨性要(yao)求嚴格。缸(gang)筒的基本(ben)特征(zheng)是深孔加(jia)工,其加(jia)工一(yi)直困(kun)擾加(jia)工人員。





油缸是工(gong)程機械主要部件,傳統的(de)加工(gong)方法是:拉削(xue)(xue)缸體(ti)(ti)——精鏜(tang)缸體(ti)(ti)——磨削(xue)(xue)缸體(ti)(ti)。采用滾(gun)壓(ya)(ya)方法是:拉削(xue)(xue)缸體(ti)(ti)——精鏜(tang)缸體(ti)(ti)——滾(gun)壓(ya)(ya)缸體(ti)(ti),工(gong)序是3部分,但時間上(shang)對比(bi):磨削(xue)(xue)缸體(ti)(ti)1米(mi)大概在(zai)1-2天的(de)時間,滾(gun)壓(ya)(ya)缸體(ti)(ti)1米(mi)大概在(zai)10-30分鐘的(de)時間。投入對比(bi):磨床或絎磨機(幾(ji)萬(wan)——幾(ji)百(bai)萬(wan)),滾(gun)壓(ya)(ya)刀(1仟——幾(ji)萬(wan))。滾(gun)壓(ya)(ya)后,孔表面粗糙(cao)度(du)由幢滾(gun)前Ra3.2~6.3um減小為Ra0.4~0.8&um,
液(ye)壓缸(gang)(gang)結構基本(ben)上(shang)可(ke)以分為缸(gang)(gang)筒(tong)和(he)缸(gang)(gang)蓋(gai)、活塞和(he)活塞桿、密封裝(zhuang)置、緩沖裝(zhuang)置和(he)排氣裝(zhuang)置五個部分。今天威海力(li)建(jian)小編著(zhu)重帶(dai)著(zhu)大(da)家了解一下缸(gang)(gang)筒(tong)和(he)缸(gang)(gang)蓋(gai)。
缸筒(tong)和缸蓋(gai)
一般來說,缸(gang)(gang)筒(tong)(tong)和(he)缸(gang)(gang)蓋的(de)(de)結(jie)構(gou)形(xing)式(shi)(shi)和(he)其使用(yong)(yong)的(de)(de)材料有關(guan)。工(gong)(gong)(gong)作壓力p<10MPa時(shi)(shi),使用(yong)(yong)鑄(zhu)鐵(tie);p<20MPa時(shi)(shi),使用(yong)(yong)無縫鋼(gang)管(guan);p>20MPa時(shi)(shi),使用(yong)(yong)鑄(zhu)鋼(gang)或鍛鋼(gang)。法蘭連(lian)接式(shi)(shi),結(jie)構(gou)簡(jian)單,容(rong)易加工(gong)(gong)(gong),也容(rong)易裝(zhuang)拆,但(dan)外(wai)形(xing)尺寸(cun)和(he)重量都(dou)較(jiao)(jiao)大(da),常(chang)(chang)用(yong)(yong)于鑄(zhu)鐵(tie)制(zhi)的(de)(de)缸(gang)(gang)筒(tong)(tong)上(shang)。半環(huan)連(lian)接式(shi)(shi),它(ta)的(de)(de)缸(gang)(gang)筒(tong)(tong)壁(bi)部因(yin)開了環(huan)形(xing)槽而削弱了強度,為(wei)此有時(shi)(shi)要加厚缸(gang)(gang)壁(bi),它(ta)容(rong)易加工(gong)(gong)(gong)和(he)裝(zhuang)拆,重量較(jiao)(jiao)輕,常(chang)(chang)用(yong)(yong)于無縫鋼(gang)管(guan)或鍛鋼(gang)制(zhi)的(de)(de)缸(gang)(gang)筒(tong)(tong)上(shang)。螺紋連(lian)接式(shi)(shi),它(ta)的(de)(de)缸(gang)(gang)筒(tong)(tong)端部結(jie)構(gou)復雜(za),外(wai)徑(jing)加工(gong)(gong)(gong)時(shi)(shi)要求(qiu)保證內(nei)外(wai)徑(jing)同心,裝(zhuang)拆要使用(yong)(yong)工(gong)(gong)(gong)具,它(ta)的(de)(de)外(wai)形(xing)尺寸(cun)和(he)重量都(dou)較(jiao)(jiao)小,常(chang)(chang)用(yong)(yong)于無縫鋼(gang)管(guan)或鑄(zhu)鋼(gang)制(zhi)的(de)(de)缸(gang)(gang)筒(tong)(tong)上(shang)。拉桿連(lian)接式(shi)(shi),結(jie)構(gou)的(de)(de)通用(yong)(yong)性(xing)大(da),容(rong)易加工(gong)(gong)(gong)和(he)裝(zhuang)拆,但(dan)外(wai)形(xing)尺寸(cun)較(jiao)(jiao)大(da),且較(jiao)(jiao)重。焊(han)接連(lian)接式(shi)(shi),結(jie)構(gou)簡(jian)單,尺寸(cun)小,但(dan)缸(gang)(gang)底(di)處內(nei)徑(jing)不易加工(gong)(gong)(gong),且可能引起(qi)變(bian)形(xing)。