弧齒錐齒輪幾何尺寸計(jì)算（Σ=90o）,,,,,,

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中文名稱(chēng),代號(hào),計(jì)算公式,,舉例,,

,,小齒輪,大齒輪,小齒輪,大齒輪,

齒數(shù),Z,Z1為小齒輪,Z2為大齒輪,25,26,

齒數(shù)比,u,u=Z2/Z1按傳動(dòng)要求確定，通常u=1-10,,1.04,,

大端分度圓直徑,de,根據(jù)強(qiáng)度計(jì)算或結(jié)構(gòu)初定,,118.25,122.98,

大端模數(shù),me,可適當(dāng)圓整,,4.73,,

分錐角,δ,,,43.87669729,46.12330271,

外錐距,Re,,,85.30407801,,

齒寬系數(shù),ΦR,常取0.3,,0.3,,

齒寬,b,適當(dāng)圓整,,26,,

中點(diǎn)模數(shù),mm,,,4.0205,,

中點(diǎn)法向模數(shù),mnm,,,3.293,,

切向變位系數(shù),xt,xt1按表16.4-9選取,Xt2=-Xt1,0.03,-0.03,表16.4-9

徑向變位系數(shù),X,"

或查表16.4-10選取",,0.03,-0.03,表16.4-10

齒寬中點(diǎn)螺旋角,βm,等頂系收縮齒的標(biāo)準(zhǔn)螺旋角βm=35o，一般βm=10o～35o，兩輪的螺旋角相等，旋向相反。,,35,,表16.4-2

齒形角,,,,20,,

齒頂高,,,,4.1624,3.8786,

齒根高,,,,4.76784,5.05164,

全齒高,h,h=ha+hf,,8.93024,8.93024,

頂隙,c,,,0.88924,,

齒頂角,,等頂系收縮齒,,3.389052717,3.19906368,

齒根角,,,,3.19906368,3.389052717,

頂錐角,,等頂系收縮齒,,47.26575,49.32236639,

根錐角,,,,40.67763361,42.73425,

齒頂圓直徑,,,,124.2507911,128.3565829,

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計(jì)算結(jié)果如下：,,,,,,

中文名稱(chēng),代號(hào),小齒輪,大齒輪,,,

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齒數(shù),Z,25,26,,,

齒數(shù)比,u,1.04,,,,

大端分度圓直徑,de,118.25,122.98,,,

大端模數(shù),me,4.73,,,,

分錐角,δ,43.87669729,46.12330271,,,

外錐距,Re,85.30407801,,,,

齒寬系數(shù),ΦR,0.3,,,,

齒寬,b,26,,,,

中點(diǎn)模數(shù),mm,4.0205,,,,

中點(diǎn)法向模數(shù),mnm,3.293,,,,

切向變位系數(shù),xt,0.03,-0.03,,,

徑向變位系數(shù),X,0.03,-0.03,,,

齒寬中點(diǎn)螺旋角,βm,35,,,,

齒形角,αn,20,,,,

齒頂高,ha,4.1624,3.8786,,,

齒根高,hf,4.76784,5.05164,,,

全齒高,h,8.93024,8.93024,,,

頂隙,c,0.88924,,,,

齒頂角,θa,3.389052717,3.19906368,,,

齒根角,θf(wàn),3.19906368,3.389052717,,,

頂錐角,δa,47.26575,49.32236639,,,

根錐角,δf,