
威(wei)海(hai)力(li)建液壓設備(bei)廠
經營模式(shi):生產加工
地址:山(shan)東省威海市(shi)羊亭孫(sun)家灘工業園
主營:液(ye)壓缸,油缸,液(ye)壓系統
業務熱(re)線:
QQ:3049278720
YHG1型冶金設備標(biao)準液壓(ya)缸
Y-HG1型冶(ye)金(jin)設(she)備(bei)標準(zhun)液壓(ya)缸(gang),為(wei)雙作用(yong)(yong)(yong)單活(huo)塞桿(gan)液壓(ya)缸(gang),缸(gang)徑從(cong)40~320mm共有17種(zhong)規格(ge),額定壓(ya)力為(wei)16MPa,可(ke)以帶緩沖裝置。該系(xi)列(lie)液壓(ya)缸(gang)有13種(zhong)安(an)裝連(lian)接型式(shi),除軸向腳架(jia)式(shi)外,安(an)裝連(lian)裝尺寸均符合ISO6021/1-1981的規定。活(huo)塞桿(gan)端螺紋亦符合GB2350-80的規定。適(shi)(shi)用(yong)(yong)(yong)于工(gong)作溫度為(wei)-30C~+80C,工(gong)作介質為(wei)液壓(ya)油,乳化液的冶(ye)金(jin)設(she)備(bei)(不適(shi)(shi)用(yong)(yong)(yong)于磷酸脂(zhi))。





液壓缸結構基本上可以分為缸筒和(he)(he)缸蓋、活塞(sai)和(he)(he)活塞(sai)桿、密封(feng)裝置(zhi)、緩(huan)沖(chong)裝置(zhi)和(he)(he)排氣(qi)裝置(zhi)五(wu)個(ge)部分。今天威海(hai)力建(jian)小編著重帶著大家(jia)了解一下(xia)缸筒和(he)(he)缸蓋。
缸筒(tong)和缸蓋
一般來說,缸(gang)筒(tong)和(he)(he)(he)缸(gang)蓋的(de)(de)結(jie)構(gou)形(xing)式和(he)(he)(he)其使用(yong)的(de)(de)材料有關。工(gong)(gong)(gong)作壓力p<10MPa時(shi)(shi)(shi),使用(yong)鑄(zhu)鐵;p<20MPa時(shi)(shi)(shi),使用(yong)無(wu)縫鋼(gang)管;p>20MPa時(shi)(shi)(shi),使用(yong)鑄(zhu)鋼(gang)或鍛鋼(gang)。法(fa)蘭連(lian)接(jie)(jie)(jie)式,結(jie)構(gou)簡(jian)單(dan),容(rong)(rong)易加(jia)工(gong)(gong)(gong),也容(rong)(rong)易裝(zhuang)拆(chai),但外(wai)(wai)形(xing)尺寸和(he)(he)(he)重量(liang)都較(jiao)(jiao)大(da),常(chang)用(yong)于(yu)鑄(zhu)鐵制(zhi)的(de)(de)缸(gang)筒(tong)上。半環連(lian)接(jie)(jie)(jie)式,它的(de)(de)缸(gang)筒(tong)壁部(bu)因開了環形(xing)槽而削弱了強度,為此有時(shi)(shi)(shi)要(yao)(yao)加(jia)厚(hou)缸(gang)壁,它容(rong)(rong)易加(jia)工(gong)(gong)(gong)和(he)(he)(he)裝(zhuang)拆(chai),重量(liang)較(jiao)(jiao)輕,常(chang)用(yong)于(yu)無(wu)縫鋼(gang)管或鍛鋼(gang)制(zhi)的(de)(de)缸(gang)筒(tong)上。螺(luo)紋連(lian)接(jie)(jie)(jie)式,它的(de)(de)缸(gang)筒(tong)端部(bu)結(jie)構(gou)復雜,外(wai)(wai)徑加(jia)工(gong)(gong)(gong)時(shi)(shi)(shi)要(yao)(yao)求保(bao)證內外(wai)(wai)徑同(tong)心,裝(zhuang)拆(chai)要(yao)(yao)使用(yong)工(gong)(gong)(gong)具,它的(de)(de)外(wai)(wai)形(xing)尺寸和(he)(he)(he)重量(liang)都較(jiao)(jiao)小(xiao)(xiao),常(chang)用(yong)于(yu)無(wu)縫鋼(gang)管或鑄(zhu)鋼(gang)制(zhi)的(de)(de)缸(gang)筒(tong)上。拉桿連(lian)接(jie)(jie)(jie)式,結(jie)構(gou)的(de)(de)通用(yong)性(xing)大(da),容(rong)(rong)易加(jia)工(gong)(gong)(gong)和(he)(he)(he)裝(zhuang)拆(chai),但外(wai)(wai)形(xing)尺寸較(jiao)(jiao)大(da),且較(jiao)(jiao)重。焊接(jie)(jie)(jie)連(lian)接(jie)(jie)(jie)式,結(jie)構(gou)簡(jian)單(dan),尺寸小(xiao)(xiao),但缸(gang)底處內徑不(bu)易加(jia)工(gong)(gong)(gong),且可能(neng)引(yin)起變形(xing)。
零部件加(jia)工(gong)(gong)(gong)精度(du)的(de)(de)影響(xiang)問(wen)題,在(zai)液壓(ya)缸(gang)的(de)(de)制造過程中(zhong)(zhong)應嚴(yan)格控制缸(gang)體(ti)內(nei)(nei)壁和活塞桿表面加(jia)工(gong)(gong)(gong)精度(du),特別(bie)是(shi)幾何精度(du),尤其(qi)直線度(du)是(shi)關鍵,在(zai)國內(nei)(nei)加(jia)工(gong)(gong)(gong)工(gong)(gong)(gong)藝中(zhong)(zhong),活塞桿表面的(de)(de)加(jia)工(gong)(gong)(gong)基本上是(shi)車后(hou)磨(mo)削(xue)(xue),保(bao)證直線度(du)問(wen)題不大,但對于(yu)(yu)缸(gang)體(ti)內(nei)(nei)壁的(de)(de)加(jia)工(gong)(gong)(gong),其(qi)加(jia)工(gong)(gong)(gong)方法(fa)很多,有(you)鏜(tang)削(xue)(xue)-滾壓(ya)、鏜(tang)削(xue)(xue)-珩(heng)磨(mo)、直接(jie)(jie)珩(heng)磨(mo)等,但由于(yu)(yu)國內(nei)(nei)材(cai)(cai)料的(de)(de)基礎水平較(jiao)國外有(you)差距,管(guan)(guan)材(cai)(cai)坯料直線度(du)差,壁厚不均(jun)勻(yun)、硬度(du)不均(jun)勻(yun)等因素,往往直接(jie)(jie)影響(xiang)缸(gang)體(ti)內(nei)(nei)壁加(jia)工(gong)(gong)(gong)后(hou)的(de)(de)直線度(du),因此建議采用鏜(tang)削(xue)(xue)-滾壓(ya)、鏜(tang)削(xue)(xue)-珩(heng)磨(mo)工(gong)(gong)(gong)藝,如(ru)直接(jie)(jie)珩(heng)磨(mo),則必須首先提高管(guan)(guan)材(cai)(cai)坯料的(de)(de)直線度(du)。
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在允許的(de)情況下,液壓缸的(de)缸體(ti)壁厚安全系數(shu)盡量選大(da)一些,使缸體(ti)厚壁增加(jia),特別是高壓工況下使用的(de)油缸,以(yi)減(jian)小油壓下的(de)缸體(ti)變形,變形后的(de)缸體(ti)也會引起(qi)液壓缸低速爬行。