產品詳情
香(xiang)蕉伊蕉伊中(zhong)文視頻在線:
美制梯(ti)形(xing)螺(luo)紋(wen)稱為愛(ai)(ai)克(ke)(ke)母(mu)(mu)螺(luo)紋(wen),牙形(xing)角29度,分為一(yi)般用(yong)(yong)途愛(ai)(ai)克(ke)(ke)母(mu)(mu)螺(luo)紋(wen),對(dui)中愛(ai)(ai)克(ke)(ke)母(mu)(mu)螺(luo)紋(wen)和矮牙愛(ai)(ai)克(ke)(ke)母(mu)(mu)螺(luo)紋(wen)三種. 征(zheng)代(dai)號(hao)"ACME".通常采(cai)用(yong)(yong)一(yi)般用(yong)(yong)途愛(ai)(ai)克(ke)(ke)母(mu)(mu)螺(luo)紋(wen),如果(guo)使用(yong)(yong)一(yi)般愛(ai)(ai)克(ke)(ke)母(mu)(mu)螺(luo)紋(wen)有困難,如內(nei),外螺(luo)紋(wen)間經常出現卡死的場合(he),則選用(yong)(yong)對(dui)中愛(ai)(ai)克(ke)(ke)母(mu)(mu)螺(luo)紋(wen).矮牙愛(ai)(ai)克(ke)(ke)母(mu)(mu)螺(luo)紋(wen)僅用(yong)(yong)于空(kong)間受限制的 殊場合(he).
愛(ai)克(ke)(ke)母(mu)(mu)螺(luo)(luo)紋(wen)(wen)(wen)(wen)(Acme)即美制(zhi)梯形螺(luo)(luo)紋(wen)(wen)(wen)(wen),出現(xian)(xian)于(yu)(yu)1895年以前,采用(yong)(yong)(yong)英(ying)寸制(zhi),牙型角(jiao)為29°,不僅應用(yong)(yong)(yong)于(yu)(yu)傳動(進給和升降)和位置調整裝置中,也可(ke)用(yong)(yong)(yong)于(yu)(yu)緊固連接場(chang)合,尤其在石油(you)及化工機械產品中 是有著(zhu) 的(de)(de)應用(yong)(yong)(yong)[1-3]。目前使(shi)用(yong)(yong)(yong)的(de)(de)愛(ai)克(ke)(ke)母(mu)(mu)螺(luo)(luo)紋(wen)(wen)(wen)(wen)有一(yi)般(ban)(ban)用(yong)(yong)(yong)途(tu)愛(ai)克(ke)(ke)母(mu)(mu)螺(luo)(luo)紋(wen)(wen)(wen)(wen)、對(dui)(dui)中愛(ai)克(ke)(ke)母(mu)(mu)螺(luo)(luo)紋(wen)(wen)(wen)(wen)和矮牙愛(ai)克(ke)(ke)母(mu)(mu)螺(luo)(luo)紋(wen)(wen)(wen)(wen)3種, 應用(yong)(yong)(yong)的(de)(de)是一(yi)般(ban)(ban)用(yong)(yong)(yong)途(tu)愛(ai)克(ke)(ke)母(mu)(mu)螺(luo)(luo)紋(wen)(wen)(wen)(wen)。如果使(shi)用(yong)(yong)(yong)一(yi)般(ban)(ban)愛(ai)克(ke)(ke)母(mu)(mu)螺(luo)(luo)紋(wen)(wen)(wen)(wen)有困難,如內(nei),外(wai)螺(luo)(luo)紋(wen)(wen)(wen)(wen)間經(jing)常出現(xian)(xian)卡死(si)的(de)(de)場(chang)合,則選用(yong)(yong)(yong)對(dui)(dui)中愛(ai)克(ke)(ke)母(mu)(mu)螺(luo)(luo)紋(wen)(wen)(wen)(wen).矮牙愛(ai)克(ke)(ke)母(mu)(mu)螺(luo)(luo)紋(wen)(wen)(wen)(wen)僅用(yong)(yong)(yong)于(yu)(yu)空(kong)間受(shou)限制(zhi)的(de)(de) 殊(shu)場(chang)合.
愛(ai)克(ke)(ke)母(mu)螺(luo)紋 標準(zhun)(zhun)的(de)制定工(gong)作始于1932年(nian),1941年(nian)美(mei)國(guo)頒布了(le)愛(ai)克(ke)(ke)母(mu)螺(luo)紋標準(zhun)(zhun)ASA B1·3,之后經過(guo)多次的(de)修訂改(gai)版使得該(gai)(gai)標準(zhun)(zhun)得到(dao)不斷(duan)完善。現(xian)在的(de)美(mei)國(guo)標準(zhun)(zhun)為ASME B1·5-1997(R2004)[4],國(guo)內對該(gai)(gai)螺(luo)紋的(de)使用主要是參照美(mei)國(guo)標準(zhun)(zhun),目前還沒(mei)有出現(xian)可替代的(de)標準(zhun)(zhun)。愛(ai)克(ke)(ke)母(mu)螺(luo)紋標準(zhun)(zhun)系(xi)列(lie)限定在0·250~5·000 in(6·35~127 mm)尺寸范圍(wei)內,而(er)對石油機械產品和許(xu)多 殊(shu)工(gong)業場合,使用較(jiao)多的(de)是直(zhi)徑與螺(luo)距的(de)非標準(zhun)(zhun)組合系(xi)列(lie)。
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