
威(wei)海力(li)建液壓設備廠(chang)
經營模式:生(sheng)產加工
地址:山東省(sheng)威海(hai)市羊亭孫家灘工業(ye)園
主營:液壓缸(gang),油缸(gang),液壓系統(tong)
業(ye)務熱線(xian):
QQ:3049278720
YHG1型冶金設備標(biao)準液壓(ya)缸
Y-HG1型冶(ye)金設備標準液壓(ya)(ya)(ya)缸(gang),為(wei)雙(shuang)作用單(dan)活塞(sai)桿(gan)液壓(ya)(ya)(ya)缸(gang),缸(gang)徑從(cong)40~320mm共有17種(zhong)(zhong)規格,額(e)定壓(ya)(ya)(ya)力為(wei)16MPa,可以帶(dai)緩沖裝(zhuang)置。該系列液壓(ya)(ya)(ya)缸(gang)有13種(zhong)(zhong)安(an)裝(zhuang)連接型式,除軸向(xiang)腳架式外,安(an)裝(zhuang)連裝(zhuang)尺(chi)寸均符合(he)ISO6021/1-1981的規定。活塞(sai)桿(gan)端螺紋亦(yi)符合(he)GB2350-80的規定。適用于工作溫度(du)為(wei)-30C~+80C,工作介質為(wei)液壓(ya)(ya)(ya)油(you),乳化液的冶(ye)金設備(不適用于磷酸脂)。





液壓缸(gang)結構(gou)基本(ben)上可以分為缸(gang)筒和(he)(he)(he)缸(gang)蓋、活塞和(he)(he)(he)活塞桿、密封裝置(zhi)、緩(huan)沖裝置(zhi)和(he)(he)(he)排氣裝置(zhi)五個部分。今天威(wei)海力建小編著重帶著大家了解(jie)一(yi)下缸(gang)筒和(he)(he)(he)缸(gang)蓋。
缸(gang)筒和缸(gang)蓋
一(yi)般來說,缸(gang)(gang)筒(tong)(tong)和(he)缸(gang)(gang)蓋的結構(gou)形(xing)(xing)式(shi)(shi)(shi)和(he)其使(shi)用(yong)(yong)(yong)(yong)的材(cai)料有關(guan)。工(gong)作壓力p<10MPa時(shi),使(shi)用(yong)(yong)(yong)(yong)鑄(zhu)鐵;p<20MPa時(shi),使(shi)用(yong)(yong)(yong)(yong)無(wu)(wu)縫鋼(gang)管(guan);p>20MPa時(shi),使(shi)用(yong)(yong)(yong)(yong)鑄(zhu)鋼(gang)或(huo)鍛(duan)鋼(gang)。法(fa)蘭連(lian)接(jie)(jie)式(shi)(shi)(shi),結構(gou)簡(jian)(jian)單,容易(yi)(yi)加工(gong),也(ye)容易(yi)(yi)裝拆,但外形(xing)(xing)尺(chi)寸和(he)重量都(dou)較(jiao)(jiao)(jiao)(jiao)大(da),常用(yong)(yong)(yong)(yong)于鑄(zhu)鐵制(zhi)的缸(gang)(gang)筒(tong)(tong)上。半環連(lian)接(jie)(jie)式(shi)(shi)(shi),它的缸(gang)(gang)筒(tong)(tong)壁部因(yin)開了環形(xing)(xing)槽而削弱了強度,為此有時(shi)要(yao)加厚缸(gang)(gang)壁,它容易(yi)(yi)加工(gong)和(he)裝拆,重量較(jiao)(jiao)(jiao)(jiao)輕,常用(yong)(yong)(yong)(yong)于無(wu)(wu)縫鋼(gang)管(guan)或(huo)鍛(duan)鋼(gang)制(zhi)的缸(gang)(gang)筒(tong)(tong)上。螺(luo)紋連(lian)接(jie)(jie)式(shi)(shi)(shi),它的缸(gang)(gang)筒(tong)(tong)端部結構(gou)復雜,外徑(jing)加工(gong)時(shi)要(yao)求保(bao)證內外徑(jing)同心,裝拆要(yao)使(shi)用(yong)(yong)(yong)(yong)工(gong)具,它的外形(xing)(xing)尺(chi)寸和(he)重量都(dou)較(jiao)(jiao)(jiao)(jiao)小,常用(yong)(yong)(yong)(yong)于無(wu)(wu)縫鋼(gang)管(guan)或(huo)鑄(zhu)鋼(gang)制(zhi)的缸(gang)(gang)筒(tong)(tong)上。拉(la)桿連(lian)接(jie)(jie)式(shi)(shi)(shi),結構(gou)的通用(yong)(yong)(yong)(yong)性大(da),容易(yi)(yi)加工(gong)和(he)裝拆,但外形(xing)(xing)尺(chi)寸較(jiao)(jiao)(jiao)(jiao)大(da),且(qie)(qie)較(jiao)(jiao)(jiao)(jiao)重。焊(han)接(jie)(jie)連(lian)接(jie)(jie)式(shi)(shi)(shi),結構(gou)簡(jian)(jian)單,尺(chi)寸小,但缸(gang)(gang)底(di)處內徑(jing)不易(yi)(yi)加工(gong),且(qie)(qie)可能引起(qi)變(bian)形(xing)(xing)。
零部件加(jia)(jia)(jia)工(gong)(gong)精度(du)(du)的(de)影響問題,在液(ye)壓(ya)缸的(de)制(zhi)造(zao)過程中應嚴格控制(zhi)缸體(ti)(ti)內(nei)(nei)壁和活(huo)塞桿表(biao)面(mian)加(jia)(jia)(jia)工(gong)(gong)精度(du)(du),特(te)別是幾何精度(du)(du),尤其直(zhi)(zhi)線(xian)(xian)度(du)(du)是關鍵,在國內(nei)(nei)加(jia)(jia)(jia)工(gong)(gong)工(gong)(gong)藝(yi)中,活(huo)塞桿表(biao)面(mian)的(de)加(jia)(jia)(jia)工(gong)(gong)基(ji)本上是車(che)后(hou)磨削(xue),保證直(zhi)(zhi)線(xian)(xian)度(du)(du)問題不大,但(dan)(dan)對于缸體(ti)(ti)內(nei)(nei)壁的(de)加(jia)(jia)(jia)工(gong)(gong),其加(jia)(jia)(jia)工(gong)(gong)方法很(hen)多,有鏜(tang)(tang)削(xue)-滾壓(ya)、鏜(tang)(tang)削(xue)-珩磨、直(zhi)(zhi)接珩磨等,但(dan)(dan)由(you)于國內(nei)(nei)材料(liao)的(de)基(ji)礎水平較國外(wai)有差距(ju),管(guan)材坯料(liao)直(zhi)(zhi)線(xian)(xian)度(du)(du)差,壁厚不均勻(yun)、硬度(du)(du)不均勻(yun)等因(yin)素,往往直(zhi)(zhi)接影響缸體(ti)(ti)內(nei)(nei)壁加(jia)(jia)(jia)工(gong)(gong)后(hou)的(de)直(zhi)(zhi)線(xian)(xian)度(du)(du),因(yin)此建(jian)議采用(yong)鏜(tang)(tang)削(xue)-滾壓(ya)、鏜(tang)(tang)削(xue)-珩磨工(gong)(gong)藝(yi),如直(zhi)(zhi)接珩磨,則必須首(shou)先(xian)提高管(guan)材坯料(liao)的(de)直(zhi)(zhi)線(xian)(xian)度(du)(du)。
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在允許的情況(kuang)下,液壓缸(gang)的缸(gang)體壁厚(hou)安全系數盡量選大一些,使(shi)缸(gang)體厚(hou)壁增(zeng)加(jia),特別是高(gao)壓工況(kuang)下使(shi)用(yong)的油(you)缸(gang),以減(jian)小油(you)壓下的缸(gang)體變形(xing),變形(xing)后的缸(gang)體也會(hui)引起液壓缸(gang)低速爬(pa)行。