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  圓(yuan)錐(zhui)齒(chi)(chi)輪通常用(yong)于交角(jiao)90°的(de)(de)兩軸之間的(de)(de)傳(chuan)動,其各部(bu)分(fen)結構(gou)如圖(tu)所示。齒(chi)(chi)頂(ding)圓(yuan)所在(zai)(zai)的(de)(de)錐(zhui)面(mian)稱為頂(ding)錐(zhui)面(mian)、大端(duan)(duan)(duan)端(duan)(duan)(duan)面(mian)所在(zai)(zai)的(de)(de)錐(zhui)面(mian)稱為背錐(zhui),小端(duan)(duan)(duan)端(duan)(duan)(duan)面(mian)所在(zai)(zai)的(de)(de)錐(zhui)面(mian)稱為前(qian)錐(zhui),分(fen)度(du)圓(yuan)所在(zai)(zai)的(de)(de)錐(zhui)面(mian)稱為分(fen)度(du)圓(yuan)錐(zhui),該錐(zhui)頂(ding)角(jiao)的(de)(de)半(ban)角(jiao)稱為分(fen)錐(zhui)角(jiao),用(yong)δ表示。 

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  圓錐(zhui)齒輪(lun)的(de)輪(lun)齒是(shi)在圓錐(zhui)面(mian)上(shang)加工出(chu)來的(de),在齒的(de)長度方向(xiang)上(shang)模數(shu)、齒數(shu)、齒厚均不相(xiang)同,大(da)端尺寸(cun)*大(da),其它部分(fen)(fen)向(xiang)錐(zhui)頂方向(xiang)縮小(xiao)。為(wei)(wei)了計算(suan)(suan)、制造方便,規定(ding)以大(da)端的(de)模數(shu)為(wei)(wei)準計算(suan)(suan)圓錐(zhui)齒輪(lun)各部分(fen)(fen)的(de)尺寸(cun),計算(suan)(suan)公式(shi)見下表。 

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  其實與(yu)圓(yuan)柱齒(chi)(chi)輪區別也不(bu)大,只是圓(yuan)錐齒(chi)(chi)輪的(de)(de)計算參(can)數(shu)(shu)都是打斷的(de)(de)參(can)數(shu)(shu),齒(chi)(chi)根高是1.2倍的(de)(de)模(mo)數(shu)(shu),比(bi)同(tong)模(mo)數(shu)(shu)的(de)(de)標準圓(yuan)柱齒(chi)(chi)輪的(de)(de)齒(chi)(chi)頂高要小,另外尺高的(de)(de)方(fang)向垂直于分度圓(yuan)圓(yuan)錐的(de)(de)母線,不(bu)是州縣的(de)(de)平行方(fang)向。      

  單個圓(yuan)(yuan)錐齒(chi)(chi)(chi)輪的(de)(de)畫法規(gui)則同(tong)標準圓(yuan)(yuan)柱齒(chi)(chi)(chi)輪一樣,在投(tou)影(ying)為非圓(yuan)(yuan)的(de)(de)視圖(tu)(tu)中(zhong)常用(yong)(yong)剖(pou)視圖(tu)(tu)表示(shi),輪齒(chi)(chi)(chi)按不剖(pou)處理(li),用(yong)(yong)粗實(shi)線(xian)(xian)(xian)(xian)(xian)畫出(chu)(chu)齒(chi)(chi)(chi)頂(ding)線(xian)(xian)(xian)(xian)(xian)、齒(chi)(chi)(chi)根線(xian)(xian)(xian)(xian)(xian),用(yong)(yong)點畫線(xian)(xian)(xian)(xian)(xian)畫出(chu)(chu)分度線(xian)(xian)(xian)(xian)(xian)。在投(tou)影(ying)為非圓(yuan)(yuan)的(de)(de)視圖(tu)(tu)中(zhong),只用(yong)(yong)粗實(shi)線(xian)(xian)(xian)(xian)(xian)畫出(chu)(chu)大端和小端的(de)(de)齒(chi)(chi)(chi)頂(ding)圓(yuan)(yuan),用(yong)(yong)點畫線(xian)(xian)(xian)(xian)(xian)畫出(chu)(chu)大端的(de)(de)分度圓(yuan)(yuan),齒(chi)(chi)(chi)根圓(yuan)(yuan)不畫。 

  注意:圓錐齒輪計算的(de)模數(shu)為大(da)端(duan)的(de)模數(shu),所(suo)有計算的(de)數(shu)據(ju)都(dou)是(shi)大(da)端(duan)的(de)參(can)數(shu),根據(ju)大(da)端(duan)的(de)分(fen)(fen)度圓直徑,分(fen)(fen)錐角畫(hua)出(chu)分(fen)(fen)度線細點畫(hua)線,量出(chu)齒頂高、齒根高,即(ji)可畫(hua)出(chu)齒頂和齒根線,根據(ju)齒寬,畫(hua)出(chu)齒形(xing)部(bu)分(fen)(fen),其余部(bu)分(fen)(fen)根據(ju)需要進行(xing)設計。 

  單個齒(chi)(chi)(chi)輪的(de)(de)(de)畫(hua)法同(tong)圓柱齒(chi)(chi)(chi)輪的(de)(de)(de)規定完全相同(tong)。應當根(gen)(gen)(gen)據(ju)分錐(zhui)(zhui)角(jiao),畫(hua)出分度(du)(du)圓錐(zhui)(zhui)的(de)(de)(de)分度(du)(du)線(xian)(xian),根(gen)(gen)(gen)據(ju)分度(du)(du)圓半徑(jing)量出大(da)(da)端的(de)(de)(de)位置(zhi),根(gen)(gen)(gen)據(ju)齒(chi)(chi)(chi)頂(ding)(ding)高、齒(chi)(chi)(chi)根(gen)(gen)(gen)高找出大(da)(da)端齒(chi)(chi)(chi)頂(ding)(ding)和齒(chi)(chi)(chi)根(gen)(gen)(gen)的(de)(de)(de)位置(zhi),向分度(du)(du)錐(zhui)(zhui)頂(ding)(ding)連線(xian)(xian),就是頂(ding)(ding)錐(zhui)(zhui)(齒(chi)(chi)(chi)頂(ding)(ding)圓錐(zhui)(zhui))和根(gen)(gen)(gen)錐(zhui)(zhui)(齒(chi)(chi)(chi)根(gen)(gen)(gen)圓錐(zhui)(zhui)),根(gen)(gen)(gen)據(ju)齒(chi)(chi)(chi)寬(kuan)量出分度(du)(du)圓上小端的(de)(de)(de)位置(zhi),做分度(du)(du)圓線(xian)(xian)的(de)(de)(de)垂(chui)直線(xian)(xian),其他的(de)(de)(de)次(ci)要結構根(gen)(gen)(gen)據(ju)需要設計即可。

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