
威海力建(jian)液(ye)壓(ya)設備廠
經營模式:生產加工
地址:山東省威海市羊(yang)亭孫家灘(tan)工業園
主營(ying):液壓缸(gang),油缸(gang),液壓系統(tong)
業務熱(re)線(xian):
QQ:3049278720
YHG1型冶金(jin)設備標(biao)準液壓缸
Y-HG1型(xing)冶(ye)金(jin)設備標(biao)準液(ye)(ye)壓缸(gang),為(wei)雙作(zuo)用(yong)單活(huo)塞桿液(ye)(ye)壓缸(gang),缸(gang)徑從40~320mm共有(you)17種規(gui)格,額(e)定壓力為(wei)16MPa,可以(yi)帶緩沖裝(zhuang)(zhuang)置。該系列液(ye)(ye)壓缸(gang)有(you)13種安(an)裝(zhuang)(zhuang)連接(jie)型(xing)式,除軸向腳架(jia)式外,安(an)裝(zhuang)(zhuang)連裝(zhuang)(zhuang)尺寸均符(fu)合ISO6021/1-1981的(de)規(gui)定。活(huo)塞桿端螺紋(wen)亦符(fu)合GB2350-80的(de)規(gui)定。適用(yong)于(yu)工作(zuo)溫度為(wei)-30C~+80C,工作(zuo)介質為(wei)液(ye)(ye)壓油,乳(ru)化液(ye)(ye)的(de)冶(ye)金(jin)設備(不適用(yong)于(yu)磷酸脂)。





液壓缸(gang)結構基本(ben)上可(ke)以分(fen)為缸(gang)筒和(he)(he)缸(gang)蓋(gai)、活塞和(he)(he)活塞桿、密封裝(zhuang)置(zhi)(zhi)、緩沖裝(zhuang)置(zhi)(zhi)和(he)(he)排(pai)氣裝(zhuang)置(zhi)(zhi)五(wu)個部分(fen)。今天威海力建小編著重帶著大家了(le)解一下缸(gang)筒和(he)(he)缸(gang)蓋(gai)。
缸筒(tong)和缸蓋(gai)
一般來(lai)說,缸(gang)筒(tong)(tong)和(he)缸(gang)蓋的(de)結(jie)構(gou)形式(shi)和(he)其使用(yong)的(de)材料(liao)有(you)關。工(gong)(gong)(gong)作壓力p<10MPa時(shi)(shi),使用(yong)鑄鐵(tie);p<20MPa時(shi)(shi),使用(yong)無(wu)縫(feng)(feng)鋼(gang)(gang)管(guan);p>20MPa時(shi)(shi),使用(yong)鑄鋼(gang)(gang)或(huo)鍛(duan)鋼(gang)(gang)。法蘭連(lian)(lian)(lian)(lian)接(jie)式(shi),結(jie)構(gou)簡(jian)(jian)單,容(rong)易加(jia)工(gong)(gong)(gong),也容(rong)易裝拆(chai),但(dan)外形尺(chi)(chi)寸(cun)(cun)和(he)重(zhong)(zhong)量都較大(da),常(chang)用(yong)于(yu)鑄鐵(tie)制(zhi)的(de)缸(gang)筒(tong)(tong)上(shang)。半環連(lian)(lian)(lian)(lian)接(jie)式(shi),它(ta)的(de)缸(gang)筒(tong)(tong)壁(bi)部因開了環形槽而削弱(ruo)了強度,為此有(you)時(shi)(shi)要加(jia)厚缸(gang)壁(bi),它(ta)容(rong)易加(jia)工(gong)(gong)(gong)和(he)裝拆(chai),重(zhong)(zhong)量較輕,常(chang)用(yong)于(yu)無(wu)縫(feng)(feng)鋼(gang)(gang)管(guan)或(huo)鍛(duan)鋼(gang)(gang)制(zhi)的(de)缸(gang)筒(tong)(tong)上(shang)。螺紋連(lian)(lian)(lian)(lian)接(jie)式(shi),它(ta)的(de)缸(gang)筒(tong)(tong)端部結(jie)構(gou)復雜(za),外徑加(jia)工(gong)(gong)(gong)時(shi)(shi)要求保證內外徑同心,裝拆(chai)要使用(yong)工(gong)(gong)(gong)具,它(ta)的(de)外形尺(chi)(chi)寸(cun)(cun)和(he)重(zhong)(zhong)量都較小,常(chang)用(yong)于(yu)無(wu)縫(feng)(feng)鋼(gang)(gang)管(guan)或(huo)鑄鋼(gang)(gang)制(zhi)的(de)缸(gang)筒(tong)(tong)上(shang)。拉(la)桿連(lian)(lian)(lian)(lian)接(jie)式(shi),結(jie)構(gou)的(de)通用(yong)性大(da),容(rong)易加(jia)工(gong)(gong)(gong)和(he)裝拆(chai),但(dan)外形尺(chi)(chi)寸(cun)(cun)較大(da),且較重(zhong)(zhong)。焊接(jie)連(lian)(lian)(lian)(lian)接(jie)式(shi),結(jie)構(gou)簡(jian)(jian)單,尺(chi)(chi)寸(cun)(cun)小,但(dan)缸(gang)底(di)處內徑不易加(jia)工(gong)(gong)(gong),且可能引起變形。
零部件(jian)加(jia)工(gong)精度(du)的(de)(de)影響問(wen)題,在(zai)液壓(ya)缸的(de)(de)制造過(guo)程中應嚴格控制缸體內壁和活塞桿(gan)表(biao)面加(jia)工(gong)精度(du),特(te)別是幾何(he)精度(du),尤其直(zhi)線(xian)(xian)度(du)是關鍵(jian),在(zai)國內加(jia)工(gong)工(gong)藝中,活塞桿(gan)表(biao)面的(de)(de)加(jia)工(gong)基本上是車后磨(mo)(mo)削(xue),保(bao)證直(zhi)線(xian)(xian)度(du)問(wen)題不(bu)(bu)大,但(dan)對于缸體內壁的(de)(de)加(jia)工(gong),其加(jia)工(gong)方法很多,有鏜削(xue)-滾(gun)壓(ya)、鏜削(xue)-珩磨(mo)(mo)、直(zhi)接珩磨(mo)(mo)等,但(dan)由于國內材料的(de)(de)基礎(chu)水平較國外(wai)有差距,管(guan)材坯(pi)料直(zhi)線(xian)(xian)度(du)差,壁厚不(bu)(bu)均勻、硬度(du)不(bu)(bu)均勻等因素,往往直(zhi)接影響缸體內壁加(jia)工(gong)后的(de)(de)直(zhi)線(xian)(xian)度(du),因此建議采用鏜削(xue)-滾(gun)壓(ya)、鏜削(xue)-珩磨(mo)(mo)工(gong)藝,如直(zhi)接珩磨(mo)(mo),則必須首先提高管(guan)材坯(pi)料的(de)(de)直(zhi)線(xian)(xian)度(du)。
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在允許的(de)(de)情況下,液(ye)壓缸(gang)(gang)(gang)的(de)(de)缸(gang)(gang)(gang)體(ti)(ti)壁(bi)厚安全系數盡量(liang)選大一些,使缸(gang)(gang)(gang)體(ti)(ti)厚壁(bi)增加,特(te)別是高壓工況下使用的(de)(de)油(you)缸(gang)(gang)(gang),以減小油(you)壓下的(de)(de)缸(gang)(gang)(gang)體(ti)(ti)變形,變形后的(de)(de)缸(gang)(gang)(gang)體(ti)(ti)也會(hui)引起液(ye)壓缸(gang)(gang)(gang)低(di)速(su)爬行。