產品詳情
中字(zi)幕視頻在線(xian)永(yong)久在線(xian):
美制(zhi)梯形螺紋稱(cheng)為愛(ai)(ai)(ai)克(ke)母(mu)螺紋,牙形角29度,分為一(yi)般用(yong)(yong)途愛(ai)(ai)(ai)克(ke)母(mu)螺紋,對(dui)中愛(ai)(ai)(ai)克(ke)母(mu)螺紋和矮牙愛(ai)(ai)(ai)克(ke)母(mu)螺紋三(san)種. 征代號"ACME".通(tong)常(chang)采用(yong)(yong)一(yi)般用(yong)(yong)途愛(ai)(ai)(ai)克(ke)母(mu)螺紋,如(ru)果使用(yong)(yong)一(yi)般愛(ai)(ai)(ai)克(ke)母(mu)螺紋有(you)困(kun)難,如(ru)內,外螺紋間(jian)(jian)經常(chang)出(chu)現(xian)卡死的場合,則選(xuan)用(yong)(yong)對(dui)中愛(ai)(ai)(ai)克(ke)母(mu)螺紋.矮牙愛(ai)(ai)(ai)克(ke)母(mu)螺紋僅用(yong)(yong)于空間(jian)(jian)受限制(zhi)的 殊場合.
愛克(ke)(ke)母(mu)螺(luo)(luo)(luo)紋(wen)(Acme)即(ji)美制梯形螺(luo)(luo)(luo)紋(wen),出(chu)現于1895年(nian)以前(qian),采用(yong)(yong)(yong)(yong)英寸(cun)制,牙(ya)型(xing)角為29°,不僅應用(yong)(yong)(yong)(yong)于傳動(進給(gei)和(he)(he)(he)升降)和(he)(he)(he)位置(zhi)(zhi)調(diao)整裝(zhuang)置(zhi)(zhi)中,也可用(yong)(yong)(yong)(yong)于緊(jin)固連接(jie)場(chang)合,尤其在石油及化工機械產品(pin)中 是(shi)(shi)有(you)(you)著 的(de)應用(yong)(yong)(yong)(yong)[1-3]。目(mu)前(qian)使(shi)(shi)用(yong)(yong)(yong)(yong)的(de)愛克(ke)(ke)母(mu)螺(luo)(luo)(luo)紋(wen)有(you)(you)一(yi)般用(yong)(yong)(yong)(yong)途(tu)愛克(ke)(ke)母(mu)螺(luo)(luo)(luo)紋(wen)、對(dui)中愛克(ke)(ke)母(mu)螺(luo)(luo)(luo)紋(wen)和(he)(he)(he)矮牙(ya)愛克(ke)(ke)母(mu)螺(luo)(luo)(luo)紋(wen)3種(zhong), 應用(yong)(yong)(yong)(yong)的(de)是(shi)(shi)一(yi)般用(yong)(yong)(yong)(yong)途(tu)愛克(ke)(ke)母(mu)螺(luo)(luo)(luo)紋(wen)。如果使(shi)(shi)用(yong)(yong)(yong)(yong)一(yi)般愛克(ke)(ke)母(mu)螺(luo)(luo)(luo)紋(wen)有(you)(you)困難,如內(nei),外螺(luo)(luo)(luo)紋(wen)間經常出(chu)現卡死的(de)場(chang)合,則選(xuan)用(yong)(yong)(yong)(yong)對(dui)中愛克(ke)(ke)母(mu)螺(luo)(luo)(luo)紋(wen).矮牙(ya)愛克(ke)(ke)母(mu)螺(luo)(luo)(luo)紋(wen)僅用(yong)(yong)(yong)(yong)于空(kong)間受(shou)限制的(de) 殊場(chang)合.
愛克(ke)母螺紋(wen) 標(biao)(biao)(biao)(biao)準(zhun)(zhun)的制定工(gong)作始于1932年,1941年美國(guo)頒布(bu)了愛克(ke)母螺紋(wen)標(biao)(biao)(biao)(biao)準(zhun)(zhun)ASA B1·3,之后經過(guo)多(duo)次的修訂(ding)改(gai)版使得(de)該標(biao)(biao)(biao)(biao)準(zhun)(zhun)得(de)到(dao)不斷完善。現(xian)在的美國(guo)標(biao)(biao)(biao)(biao)準(zhun)(zhun)為ASME B1·5-1997(R2004)[4],國(guo)內對該螺紋(wen)的使用主要(yao)是(shi)參照美國(guo)標(biao)(biao)(biao)(biao)準(zhun)(zhun),目(mu)前還(huan)沒有出現(xian)可替代(dai)的標(biao)(biao)(biao)(biao)準(zhun)(zhun)。愛克(ke)母螺紋(wen)標(biao)(biao)(biao)(biao)準(zhun)(zhun)系(xi)列限定在0·250~5·000 in(6·35~127 mm)尺寸范圍內,而對石(shi)油機械產品和許多(duo) 殊工(gong)業場合,使用較多(duo)的是(shi)直徑與螺距的非標(biao)(biao)(biao)(biao)準(zhun)(zhun)組合系(xi)列。
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