產品詳情
國(guo)產SUV精品一(yi)區二區883:
美制(zhi)(zhi)梯形螺(luo)(luo)(luo)紋(wen)(wen)(wen)稱為愛克母螺(luo)(luo)(luo)紋(wen)(wen)(wen),牙形角29度,分為一(yi)般用(yong)(yong)途愛克母螺(luo)(luo)(luo)紋(wen)(wen)(wen),對(dui)中愛克母螺(luo)(luo)(luo)紋(wen)(wen)(wen)和矮牙愛克母螺(luo)(luo)(luo)紋(wen)(wen)(wen)三種. 征代號"ACME".通常采用(yong)(yong)一(yi)般用(yong)(yong)途愛克母螺(luo)(luo)(luo)紋(wen)(wen)(wen),如果使用(yong)(yong)一(yi)般愛克母螺(luo)(luo)(luo)紋(wen)(wen)(wen)有困難(nan),如內,外螺(luo)(luo)(luo)紋(wen)(wen)(wen)間(jian)經常出現(xian)卡(ka)死(si)的場合(he),則選用(yong)(yong)對(dui)中愛克母螺(luo)(luo)(luo)紋(wen)(wen)(wen).矮牙愛克母螺(luo)(luo)(luo)紋(wen)(wen)(wen)僅(jin)用(yong)(yong)于空間(jian)受限(xian)制(zhi)(zhi)的 殊(shu)場合(he).
愛(ai)(ai)(ai)克(ke)母(mu)(mu)螺(luo)(luo)(luo)紋(wen)(wen)(Acme)即美制(zhi)梯形(xing)螺(luo)(luo)(luo)紋(wen)(wen),出現(xian)于(yu)1895年以前,采用(yong)(yong)(yong)(yong)英寸制(zhi),牙型角為29°,不僅應用(yong)(yong)(yong)(yong)于(yu)傳動(進給和升降)和位置(zhi)調整裝置(zhi)中,也(ye)可用(yong)(yong)(yong)(yong)于(yu)緊(jin)固連接場(chang)合(he),尤其在石(shi)油及化工(gong)機械(xie)產品中 是有著 的應用(yong)(yong)(yong)(yong)[1-3]。目前使用(yong)(yong)(yong)(yong)的愛(ai)(ai)(ai)克(ke)母(mu)(mu)螺(luo)(luo)(luo)紋(wen)(wen)有一般(ban)用(yong)(yong)(yong)(yong)途(tu)愛(ai)(ai)(ai)克(ke)母(mu)(mu)螺(luo)(luo)(luo)紋(wen)(wen)、對中愛(ai)(ai)(ai)克(ke)母(mu)(mu)螺(luo)(luo)(luo)紋(wen)(wen)和矮(ai)牙愛(ai)(ai)(ai)克(ke)母(mu)(mu)螺(luo)(luo)(luo)紋(wen)(wen)3種, 應用(yong)(yong)(yong)(yong)的是一般(ban)用(yong)(yong)(yong)(yong)途(tu)愛(ai)(ai)(ai)克(ke)母(mu)(mu)螺(luo)(luo)(luo)紋(wen)(wen)。如果使用(yong)(yong)(yong)(yong)一般(ban)愛(ai)(ai)(ai)克(ke)母(mu)(mu)螺(luo)(luo)(luo)紋(wen)(wen)有困難,如內,外螺(luo)(luo)(luo)紋(wen)(wen)間(jian)經常(chang)出現(xian)卡死(si)的場(chang)合(he),則選用(yong)(yong)(yong)(yong)對中愛(ai)(ai)(ai)克(ke)母(mu)(mu)螺(luo)(luo)(luo)紋(wen)(wen).矮(ai)牙愛(ai)(ai)(ai)克(ke)母(mu)(mu)螺(luo)(luo)(luo)紋(wen)(wen)僅用(yong)(yong)(yong)(yong)于(yu)空間(jian)受限(xian)制(zhi)的 殊場(chang)合(he).
愛克母(mu)螺紋 標(biao)(biao)(biao)準(zhun)(zhun)的(de)(de)制(zhi)定工作(zuo)始于1932年(nian),1941年(nian)美國(guo)(guo)頒布了愛克母(mu)螺紋標(biao)(biao)(biao)準(zhun)(zhun)ASA B1·3,之后經過多(duo)次(ci)的(de)(de)修(xiu)訂改版使(shi)得該標(biao)(biao)(biao)準(zhun)(zhun)得到不(bu)斷完善(shan)。現在的(de)(de)美國(guo)(guo)標(biao)(biao)(biao)準(zhun)(zhun)為ASME B1·5-1997(R2004)[4],國(guo)(guo)內對該螺紋的(de)(de)使(shi)用主要是(shi)參照美國(guo)(guo)標(biao)(biao)(biao)準(zhun)(zhun),目前還沒(mei)有出現可替代(dai)的(de)(de)標(biao)(biao)(biao)準(zhun)(zhun)。愛克母(mu)螺紋標(biao)(biao)(biao)準(zhun)(zhun)系列限定在0·250~5·000 in(6·35~127 mm)尺寸范圍內,而對石油機械產品和(he)許多(duo) 殊工業場合,使(shi)用較多(duo)的(de)(de)是(shi)直徑與螺距的(de)(de)非(fei)標(biao)(biao)(biao)準(zhun)(zhun)組合系列。
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