梯形螺(luo)紋(wen)(wen) 標(biao)準(zhun)規(gui)(gui)(gui)定代號為(Tr).梯形螺(luo)紋(wen)(wen)量規(gui)(gui)(gui)(Tr)有梯形螺(luo)紋(wen)(wen)塞規(gui)(gui)(gui)(栓規(gui)(gui)(gui))和梯形螺(luo)紋(wen)(wen)環規(gui)(gui)(gui),用于(yu)檢(jian)測螺(luo)紋(wen)(wen)的內外(wai)牙。
梯形螺紋塞規也可以用(yong)(yong)于緊固連接場(chang)合。可供(gong)ACME螺(luo)(luo)紋(wen)及米制鋸齒形(xing)螺(luo)(luo)紋(wen)量規 。 梯形(xing)螺(luo)(luo)紋(wen)主要用(yong)(yong)于傳動(進給和升降)和位置(zhi)調整裝(zhuang)置(zhi)中(zhong),在(zai)機械行業有著廣泛的(de)使用(yong)(yong) 。
一般(ban)用途米制(zhi)梯形(xing)(xing)(xing)螺(luo)(luo)紋(wen)的(de)公差(cha)采用了米制(zhi)普(pu)通螺(luo)(luo)紋(wen)的(de)公差(cha)制(zhi),對(dui)螺(luo)(luo)紋(wen)的(de)導程(螺(luo)(luo)距)和亞(ya)測角等單項參數(shu)沒(mei)有規定(ding)單獨的(de)公差(cha)值(zhi)。所以這種梯形(xing)(xing)(xing)螺(luo)(luo)紋(wen)不(bu)適用于(yu)對(dui)傳(chuan)動(dong)精(jing)度有較(jiao)的(de)傳(chuan)動(dong)螺(luo)(luo)紋(wen)。傳(chuan)動(dong)梯形(xing)(xing)(xing)螺(luo)(luo)紋(wen)需在一般(ban)梯形(xing)(xing)(xing)螺(luo)(luo)紋(wen)標準(zhun)的(de)基礎上(shang)補(bu)充(chong)規定(ding)螺(luo)(luo)紋(wen)單項參數(shu)公差(cha)。
梯形螺紋塞規用途:供檢查工(gong)(gong)件內螺(luo)(luo)紋(wen)(wen)尺(chi)寸(cun)是(shi)否(fou)合格(ge)用。每種(zhong)規格(ge)梯形(xing)螺(luo)(luo)紋(wen)(wen)塞(sai)規又分(fen)為(wei)通(tong)規(代(dai)號T)和(he)止規(代(dai)號Z)兩(liang)種(zhong),可分(fen)別(bie)單(dan)獨供應;也有制成整體式的,一并供應。檢查時(shi),只(zhi)有當(dang)通(tong)規能(neng)與工(gong)(gong)件內螺(luo)(luo)紋(wen)(wen)旋(xuan)(xuan)合通(tong)過(guo),而止規只(zhi)與工(gong)(gong)件內螺(luo)(luo)紋(wen)(wen)部分(fen)旋(xuan)(xuan)合,且旋(xuan)(xuan)合量不超過(guo)兩(liang)個螺(luo)(luo)距時(shi),可判定該內螺(luo)(luo)紋(wen)(wen)合格(ge);除此之外可判定內螺(luo)(luo)紋(wen)(wen)尺(chi)寸(cun)不合格(ge)。
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