
威海力建液壓設(she)備廠
經營(ying)模(mo)式(shi):生(sheng)產加(jia)工(gong)
地址:山東省威(wei)海市(shi)羊亭孫家(jia)灘工(gong)業(ye)園
主營:液壓缸,油(you)缸,液壓系(xi)統
業務熱線(xian):
QQ:3049278720
YHG1型冶(ye)金設備標準液壓(ya)缸
Y-HG1型冶(ye)金(jin)設備標準液壓缸(gang),為(wei)雙作用(yong)單(dan)活塞(sai)(sai)桿液壓缸(gang),缸(gang)徑(jing)從40~320mm共(gong)有17種規(gui)格,額定壓力為(wei)16MPa,可以帶緩沖裝(zhuang)(zhuang)置。該系列液壓缸(gang)有13種安(an)裝(zhuang)(zhuang)連(lian)(lian)接(jie)型式,除(chu)軸(zhou)向腳架(jia)式外,安(an)裝(zhuang)(zhuang)連(lian)(lian)裝(zhuang)(zhuang)尺寸均符合(he)ISO6021/1-1981的(de)(de)規(gui)定。活塞(sai)(sai)桿端螺(luo)紋(wen)亦符合(he)GB2350-80的(de)(de)規(gui)定。適用(yong)于工作溫度(du)為(wei)-30C~+80C,工作介質為(wei)液壓油,乳(ru)化液的(de)(de)冶(ye)金(jin)設備(不適用(yong)于磷酸脂)。





液(ye)壓缸(gang)結構基(ji)本上可(ke)以分為缸(gang)筒(tong)和(he)(he)缸(gang)蓋(gai)、活塞和(he)(he)活塞桿(gan)、密封裝(zhuang)置(zhi)、緩沖裝(zhuang)置(zhi)和(he)(he)排氣裝(zhuang)置(zhi)五個部(bu)分。今天威(wei)海力建小編著重帶(dai)著大家了解(jie)一下缸(gang)筒(tong)和(he)(he)缸(gang)蓋(gai)。
缸筒和缸蓋(gai)
一(yi)般來說(shuo),缸(gang)筒(tong)(tong)和(he)(he)缸(gang)蓋的結構(gou)(gou)形(xing)式(shi)(shi)和(he)(he)其使(shi)用(yong)的材料有關。工(gong)(gong)作(zuo)壓力p<10MPa時(shi),使(shi)用(yong)鑄(zhu)鐵;p<20MPa時(shi),使(shi)用(yong)無(wu)縫鋼(gang)(gang)(gang)管;p>20MPa時(shi),使(shi)用(yong)鑄(zhu)鋼(gang)(gang)(gang)或(huo)鍛(duan)鋼(gang)(gang)(gang)。法蘭(lan)連接式(shi)(shi),結構(gou)(gou)簡單,容(rong)易(yi)(yi)(yi)加工(gong)(gong),也容(rong)易(yi)(yi)(yi)裝拆,但外形(xing)尺寸和(he)(he)重(zhong)量(liang)(liang)都(dou)較(jiao)大,常(chang)用(yong)于鑄(zhu)鐵制(zhi)(zhi)的缸(gang)筒(tong)(tong)上。半環連接式(shi)(shi),它的缸(gang)筒(tong)(tong)壁部因(yin)開(kai)了環形(xing)槽而削弱了強度,為此(ci)有時(shi)要加厚(hou)缸(gang)壁,它容(rong)易(yi)(yi)(yi)加工(gong)(gong)和(he)(he)裝拆,重(zhong)量(liang)(liang)較(jiao)輕,常(chang)用(yong)于無(wu)縫鋼(gang)(gang)(gang)管或(huo)鍛(duan)鋼(gang)(gang)(gang)制(zhi)(zhi)的缸(gang)筒(tong)(tong)上。螺紋連接式(shi)(shi),它的缸(gang)筒(tong)(tong)端(duan)部結構(gou)(gou)復雜(za),外徑加工(gong)(gong)時(shi)要求保證內(nei)外徑同(tong)心,裝拆要使(shi)用(yong)工(gong)(gong)具,它的外形(xing)尺寸和(he)(he)重(zhong)量(liang)(liang)都(dou)較(jiao)小,常(chang)用(yong)于無(wu)縫鋼(gang)(gang)(gang)管或(huo)鑄(zhu)鋼(gang)(gang)(gang)制(zhi)(zhi)的缸(gang)筒(tong)(tong)上。拉桿連接式(shi)(shi),結構(gou)(gou)的通(tong)用(yong)性大,容(rong)易(yi)(yi)(yi)加工(gong)(gong)和(he)(he)裝拆,但外形(xing)尺寸較(jiao)大,且較(jiao)重(zhong)。焊(han)接連接式(shi)(shi),結構(gou)(gou)簡單,尺寸小,但缸(gang)底處內(nei)徑不(bu)易(yi)(yi)(yi)加工(gong)(gong),且可(ke)能(neng)引(yin)起變形(xing)。
零部件加(jia)工(gong)精(jing)度(du)的(de)(de)影(ying)(ying)響(xiang)問題,在液壓(ya)(ya)缸(gang)的(de)(de)制造(zao)過程中應嚴格控(kong)制缸(gang)體(ti)內(nei)壁(bi)和活塞桿表面加(jia)工(gong)精(jing)度(du),特別是(shi)(shi)幾何(he)精(jing)度(du),尤(you)其直(zhi)(zhi)線(xian)(xian)度(du)是(shi)(shi)關鍵,在國(guo)(guo)內(nei)加(jia)工(gong)工(gong)藝中,活塞桿表面的(de)(de)加(jia)工(gong)基本上是(shi)(shi)車后(hou)磨削(xue),保證直(zhi)(zhi)線(xian)(xian)度(du)問題不大,但對于缸(gang)體(ti)內(nei)壁(bi)的(de)(de)加(jia)工(gong),其加(jia)工(gong)方(fang)法很多,有鏜(tang)削(xue)-滾(gun)壓(ya)(ya)、鏜(tang)削(xue)-珩(heng)磨、直(zhi)(zhi)接珩(heng)磨等,但由于國(guo)(guo)內(nei)材料(liao)的(de)(de)基礎水平(ping)較國(guo)(guo)外(wai)有差距(ju),管(guan)(guan)材坯料(liao)直(zhi)(zhi)線(xian)(xian)度(du)差,壁(bi)厚不均(jun)(jun)勻、硬度(du)不均(jun)(jun)勻等因素(su),往(wang)往(wang)直(zhi)(zhi)接影(ying)(ying)響(xiang)缸(gang)體(ti)內(nei)壁(bi)加(jia)工(gong)后(hou)的(de)(de)直(zhi)(zhi)線(xian)(xian)度(du),因此建(jian)議(yi)采(cai)用(yong)鏜(tang)削(xue)-滾(gun)壓(ya)(ya)、鏜(tang)削(xue)-珩(heng)磨工(gong)藝,如直(zhi)(zhi)接珩(heng)磨,則必須首先提(ti)高(gao)管(guan)(guan)材坯料(liao)的(de)(de)直(zhi)(zhi)線(xian)(xian)度(du)。
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在允(yun)許的(de)情況下,液(ye)壓缸(gang)(gang)(gang)(gang)(gang)的(de)缸(gang)(gang)(gang)(gang)(gang)體壁厚安全系數(shu)盡量選大一些,使缸(gang)(gang)(gang)(gang)(gang)體厚壁增(zeng)加,特別是高(gao)壓工況下使用的(de)油缸(gang)(gang)(gang)(gang)(gang),以減小油壓下的(de)缸(gang)(gang)(gang)(gang)(gang)體變(bian)形,變(bian)形后的(de)缸(gang)(gang)(gang)(gang)(gang)體也會引起液(ye)壓缸(gang)(gang)(gang)(gang)(gang)低速爬行。

李建波先生
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