產品詳情
歐美日(ri)韓免(mian)費觀看:
美制梯形螺紋稱為愛(ai)克(ke)(ke)母螺紋,牙形角29度(du),分(fen)為一般(ban)用(yong)(yong)途愛(ai)克(ke)(ke)母螺紋,對中愛(ai)克(ke)(ke)母螺紋和(he)矮(ai)牙愛(ai)克(ke)(ke)母螺紋三(san)種. 征(zheng)代號(hao)"ACME".通常(chang)(chang)采用(yong)(yong)一般(ban)用(yong)(yong)途愛(ai)克(ke)(ke)母螺紋,如(ru)果(guo)使(shi)用(yong)(yong)一般(ban)愛(ai)克(ke)(ke)母螺紋有(you)困難(nan),如(ru)內,外螺紋間(jian)經常(chang)(chang)出現(xian)卡死的場(chang)合,則選用(yong)(yong)對中愛(ai)克(ke)(ke)母螺紋.矮(ai)牙愛(ai)克(ke)(ke)母螺紋僅用(yong)(yong)于空(kong)間(jian)受限制的 殊場(chang)合.
愛克(ke)(ke)(ke)(ke)母(mu)螺(luo)(luo)紋(wen)(wen)(wen)(Acme)即美制(zhi)梯形螺(luo)(luo)紋(wen)(wen)(wen),出現(xian)于1895年以前,采用(yong)(yong)(yong)(yong)英寸(cun)制(zhi),牙型角為29°,不僅(jin)應用(yong)(yong)(yong)(yong)于傳動(進給(gei)和升降)和位置調整(zheng)裝置中(zhong)(zhong),也(ye)可用(yong)(yong)(yong)(yong)于緊固連接場(chang)合,尤其在石油及化工機(ji)械(xie)產品(pin)中(zhong)(zhong) 是(shi)有著 的(de)應用(yong)(yong)(yong)(yong)[1-3]。目前使(shi)用(yong)(yong)(yong)(yong)的(de)愛克(ke)(ke)(ke)(ke)母(mu)螺(luo)(luo)紋(wen)(wen)(wen)有一般用(yong)(yong)(yong)(yong)途愛克(ke)(ke)(ke)(ke)母(mu)螺(luo)(luo)紋(wen)(wen)(wen)、對中(zhong)(zhong)愛克(ke)(ke)(ke)(ke)母(mu)螺(luo)(luo)紋(wen)(wen)(wen)和矮牙愛克(ke)(ke)(ke)(ke)母(mu)螺(luo)(luo)紋(wen)(wen)(wen)3種(zhong), 應用(yong)(yong)(yong)(yong)的(de)是(shi)一般用(yong)(yong)(yong)(yong)途愛克(ke)(ke)(ke)(ke)母(mu)螺(luo)(luo)紋(wen)(wen)(wen)。如果使(shi)用(yong)(yong)(yong)(yong)一般愛克(ke)(ke)(ke)(ke)母(mu)螺(luo)(luo)紋(wen)(wen)(wen)有困難,如內(nei),外螺(luo)(luo)紋(wen)(wen)(wen)間經常出現(xian)卡死的(de)場(chang)合,則選用(yong)(yong)(yong)(yong)對中(zhong)(zhong)愛克(ke)(ke)(ke)(ke)母(mu)螺(luo)(luo)紋(wen)(wen)(wen).矮牙愛克(ke)(ke)(ke)(ke)母(mu)螺(luo)(luo)紋(wen)(wen)(wen)僅(jin)用(yong)(yong)(yong)(yong)于空間受限制(zhi)的(de) 殊場(chang)合.
愛克(ke)母螺(luo)紋(wen) 標(biao)(biao)(biao)準(zhun)的(de)制定工(gong)作(zuo)始于1932年,1941年美(mei)國(guo)(guo)頒布(bu)了愛克(ke)母螺(luo)紋(wen)標(biao)(biao)(biao)準(zhun)ASA B1·3,之后經過多次的(de)修訂改版使(shi)得該標(biao)(biao)(biao)準(zhun)得到不斷完善(shan)。現(xian)在的(de)美(mei)國(guo)(guo)標(biao)(biao)(biao)準(zhun)為ASME B1·5-1997(R2004)[4],國(guo)(guo)內對(dui)(dui)該螺(luo)紋(wen)的(de)使(shi)用主(zhu)要(yao)是參照美(mei)國(guo)(guo)標(biao)(biao)(biao)準(zhun),目前還沒有(you)出現(xian)可替代的(de)標(biao)(biao)(biao)準(zhun)。愛克(ke)母螺(luo)紋(wen)標(biao)(biao)(biao)準(zhun)系(xi)(xi)列限定在0·250~5·000 in(6·35~127 mm)尺寸范圍內,而(er)對(dui)(dui)石油機(ji)械產品和許多 殊(shu)工(gong)業場合,使(shi)用較多的(de)是直徑與螺(luo)距的(de)非標(biao)(biao)(biao)準(zhun)組合系(xi)(xi)列。
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