
威海(hai)力建(jian)液壓設備廠
經營模式:生產加工(gong)
地址:山東省(sheng)威海市羊亭孫家灘工業園
主營:液壓(ya)缸(gang),油(you)缸(gang),液壓(ya)系統
業務熱線:
QQ:3049278720
YHG1型冶金設備標準液壓缸
Y-HG1型冶(ye)金設備標準液(ye)壓(ya)缸(gang)(gang),為(wei)(wei)雙(shuang)作(zuo)(zuo)用(yong)單活(huo)(huo)塞桿(gan)液(ye)壓(ya)缸(gang)(gang),缸(gang)(gang)徑(jing)從40~320mm共(gong)有(you)17種規格(ge),額定壓(ya)力為(wei)(wei)16MPa,可以帶緩沖裝置。該(gai)系列液(ye)壓(ya)缸(gang)(gang)有(you)13種安裝連接型式(shi)(shi),除軸向腳架(jia)式(shi)(shi)外,安裝連裝尺寸均符合ISO6021/1-1981的(de)規定。活(huo)(huo)塞桿(gan)端螺紋亦符合GB2350-80的(de)規定。適(shi)(shi)用(yong)于(yu)工作(zuo)(zuo)溫度(du)為(wei)(wei)-30C~+80C,工作(zuo)(zuo)介質為(wei)(wei)液(ye)壓(ya)油,乳(ru)化(hua)液(ye)的(de)冶(ye)金設備(不適(shi)(shi)用(yong)于(yu)磷(lin)酸脂)。





液壓缸結構基本上可以分(fen)(fen)為缸筒和(he)缸蓋(gai)、活(huo)塞和(he)活(huo)塞桿、密(mi)封(feng)裝(zhuang)置、緩沖裝(zhuang)置和(he)排氣裝(zhuang)置五個(ge)部分(fen)(fen)。今天威海(hai)力建小編著重帶著大家了解一下缸筒和(he)缸蓋(gai)。
缸筒和(he)缸蓋
一(yi)般來說,缸筒(tong)和缸蓋的(de)(de)結構形(xing)式和其使(shi)用(yong)的(de)(de)材料有關(guan)。工(gong)(gong)作壓力p<10MPa時(shi),使(shi)用(yong)鑄(zhu)(zhu)(zhu)鐵;p<20MPa時(shi),使(shi)用(yong)無(wu)縫鋼管;p>20MPa時(shi),使(shi)用(yong)鑄(zhu)(zhu)(zhu)鋼或鍛鋼。法蘭(lan)連(lian)(lian)(lian)接(jie)式,結構簡單(dan),容(rong)易加(jia)(jia)(jia)工(gong)(gong),也容(rong)易裝(zhuang)拆,但(dan)外(wai)形(xing)尺(chi)(chi)寸(cun)(cun)和重(zhong)(zhong)量(liang)都較(jiao)(jiao)(jiao)大(da)(da),常(chang)用(yong)于(yu)鑄(zhu)(zhu)(zhu)鐵制(zhi)(zhi)的(de)(de)缸筒(tong)上(shang)。半環連(lian)(lian)(lian)接(jie)式,它(ta)的(de)(de)缸筒(tong)壁(bi)部(bu)因開(kai)了(le)環形(xing)槽(cao)而削弱了(le)強度,為此有時(shi)要(yao)加(jia)(jia)(jia)厚缸壁(bi),它(ta)容(rong)易加(jia)(jia)(jia)工(gong)(gong)和裝(zhuang)拆,重(zhong)(zhong)量(liang)較(jiao)(jiao)(jiao)輕,常(chang)用(yong)于(yu)無(wu)縫鋼管或鍛鋼制(zhi)(zhi)的(de)(de)缸筒(tong)上(shang)。螺(luo)紋連(lian)(lian)(lian)接(jie)式,它(ta)的(de)(de)缸筒(tong)端部(bu)結構復雜(za),外(wai)徑(jing)加(jia)(jia)(jia)工(gong)(gong)時(shi)要(yao)求(qiu)保證內外(wai)徑(jing)同心,裝(zhuang)拆要(yao)使(shi)用(yong)工(gong)(gong)具,它(ta)的(de)(de)外(wai)形(xing)尺(chi)(chi)寸(cun)(cun)和重(zhong)(zhong)量(liang)都較(jiao)(jiao)(jiao)小(xiao),常(chang)用(yong)于(yu)無(wu)縫鋼管或鑄(zhu)(zhu)(zhu)鋼制(zhi)(zhi)的(de)(de)缸筒(tong)上(shang)。拉桿連(lian)(lian)(lian)接(jie)式,結構的(de)(de)通用(yong)性大(da)(da),容(rong)易加(jia)(jia)(jia)工(gong)(gong)和裝(zhuang)拆,但(dan)外(wai)形(xing)尺(chi)(chi)寸(cun)(cun)較(jiao)(jiao)(jiao)大(da)(da),且較(jiao)(jiao)(jiao)重(zhong)(zhong)。焊(han)接(jie)連(lian)(lian)(lian)接(jie)式,結構簡單(dan),尺(chi)(chi)寸(cun)(cun)小(xiao),但(dan)缸底處內徑(jing)不易加(jia)(jia)(jia)工(gong)(gong),且可能(neng)引(yin)起變形(xing)。
零部(bu)件加(jia)(jia)工精(jing)(jing)(jing)度(du)(du)的影響問題,在液壓(ya)缸(gang)的制造過程中(zhong)應(ying)嚴格控制缸(gang)體(ti)(ti)內壁和活(huo)塞(sai)桿(gan)表(biao)面加(jia)(jia)工精(jing)(jing)(jing)度(du)(du),特別是幾何精(jing)(jing)(jing)度(du)(du),尤(you)其(qi)直(zhi)(zhi)線(xian)(xian)度(du)(du)是關鍵,在國(guo)內加(jia)(jia)工工藝中(zhong),活(huo)塞(sai)桿(gan)表(biao)面的加(jia)(jia)工基本上是車后(hou)磨(mo)(mo)削(xue),保(bao)證直(zhi)(zhi)線(xian)(xian)度(du)(du)問題不大,但對于(yu)缸(gang)體(ti)(ti)內壁的加(jia)(jia)工,其(qi)加(jia)(jia)工方法很(hen)多,有鏜削(xue)-滾壓(ya)、鏜削(xue)-珩磨(mo)(mo)、直(zhi)(zhi)接珩磨(mo)(mo)等,但由于(yu)國(guo)內材(cai)料的基礎水平較(jiao)國(guo)外有差距,管(guan)材(cai)坯(pi)料直(zhi)(zhi)線(xian)(xian)度(du)(du)差,壁厚不均勻、硬度(du)(du)不均勻等因素(su),往往直(zhi)(zhi)接影響缸(gang)體(ti)(ti)內壁加(jia)(jia)工后(hou)的直(zhi)(zhi)線(xian)(xian)度(du)(du),因此建(jian)議采用(yong)鏜削(xue)-滾壓(ya)、鏜削(xue)-珩磨(mo)(mo)工藝,如直(zhi)(zhi)接珩磨(mo)(mo),則必須首先(xian)提(ti)高管(guan)材(cai)坯(pi)料的直(zhi)(zhi)線(xian)(xian)度(du)(du)。
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在允許的(de)情況下(xia),液壓缸(gang)的(de)缸(gang)體壁(bi)厚安全系數盡量選大一(yi)些,使缸(gang)體厚壁(bi)增加,特別是(shi)高壓工況下(xia)使用的(de)油缸(gang),以減小油壓下(xia)的(de)缸(gang)體變(bian)形,變(bian)形后的(de)缸(gang)體也會引起液壓缸(gang)低速爬行。