直齒圓柱齒輪強(qiáng)度校核

齒輪基本參數(shù)計(jì)算,,,,,,

TRUE,,,,,,

齒數(shù)(小/大),Z,28,38,,,

法向模數(shù),Mn,3,,,,

法向壓力角,α,20,,,,

安裝中心距,a,102,,,,

螺旋角,β,0,,,,

齒頂高系數(shù),hap,1,,,,

頂隙系數(shù),cp,0.25,,,,

,,,,,,,

理論中心距,a0,99,,,,

分度圓直徑,d,84,114,,,

分度圓端面壓力角,αt,20.00000017,20.00000017,,,

節(jié)圓端面嚙合角,αt',24.20915569,24.20915569,,,

,invαt,0.014904384,0.014904384,,,

,invαt',0.02708043,0.02708043,,,

,Arfat,0.349065853,0.349065853,,,

,Arfatp,0.422529476,0.422529476,,,

總變位系數(shù),Xz,1.103963,,,,

變位系數(shù),X,0.538,0.565962512,,,

齒輪寬度,b,16,16,,,

法向中心距變動(dòng)系數(shù),Yn,1,1,,,

法向齒頂縮短系數(shù),cigmn,0.103962512,0.103962512,,,

齒頂高,ha,4.302112465,4.386,,,

齒全高,h,6.438112465,6.438112465,,,

齒頂圓直徑,Da,92.60422493,122.772,,,

齒根圓直徑,Df,79.728,109.8957751,,,

基圓直徑,Db,78.93418006,107.1249587,,,

頂圓壓力角,arfaDa,31.52829184,29.24342953,,,

端面重合度,εa,1.397140663,,,,

軸向重合度,εβ,0,,,,

傳動(dòng)比,u,1.357142857,,,,

端面嚙合角弧度值,,0.422529476,0.422529476,,,

共軛齒輪頂圓壓力角弧度值,,0.51039413,0.5502725,,,

齒根滑動(dòng)率,Et,0.866486389,0.865456205,,,

理論接觸線長(zhǎng),N1-N2,41.82701549,41.82701549,,,

齒頂圓曲率半徑,Pa,24.21227836,29.98836115,,,

漸開線起始圓曲率半徑,P0,11.83865435,17.61473714,,,

齒輪接觸強(qiáng)度校核,,,,,,

,,,,,,,

輸入扭矩（N·M）,T,195,264.6428571,,,

輸入轉(zhuǎn)速(r/min),n,2100,1547.368421,,,

圓周速度（mm/s）,v,9.236282244,,,,

分度圓上的圓周力（N）,Ft,4642.857143,,,,

使用系數(shù),KA,2,,,,

動(dòng)載系數(shù),Kv,1.180344331,,,,

,,K1,39.07,,,

,,K2,0.0193,,,

接觸強(qiáng)度計(jì)算的重合度系數(shù),Zεβ,0.931461099,,,,

齒向載荷分布系數(shù),KHβ,1.185564989,,,,

TRUE,S/L<0.1,1.185564989,,,,

FALSE,0.1<S/L<0.3,1.185691356,,,,

FALSE,S/L>0.3,1.186976088,,,,

齒間載荷分布系數(shù),Kha,1.2,,,,

KA*Ft/b,580.3571429,≥100N/mm,1.2,,,

,,<100N/mm,1.152578611,,,

節(jié)點(diǎn)區(qū)域系數(shù),ZH,2.244456778,,,,

材料彈性模量,E,206000,206000,,,

材料泊松比,v,0.3,0.3,,,

彈性系數(shù),ZE,189.8117021,,,,

計(jì)算接觸應(yīng)力,σH,1781.331757,1529.086408,,,

試驗(yàn)齒輪接的接觸疲勞極限(N/mm2),σHlim,1500,1500,,,

工作總時(shí)間,th,4000,4000,,,

應(yīng)力循環(huán)次數(shù),NL,504000000,371368421.1,,,

接觸強(qiáng)度計(jì)算的壽命系數(shù),ZNT,1.367426458,1.398594273,,,

FALSE,NL≤6×105,1.6,1.6,,,

TRUE,6×105≤NL≤107,1.367426458,1.398594273,,,

FALSE,107＜NL≤109,1.039827884,1.058086362,,,

FALSE,109＜NL≤1010,1.049562739,1.07243695,,,

50oC時(shí)潤(rùn)滑油運(yùn)動(dòng)粘度（mm2/s）,V50,120,,,,

節(jié)點(diǎn)線速度(m/s),v,0.009236282,,,,

相對(duì)平均表面粗糙度,RZ10,16,,,,

潤(rùn)滑油膜影響系數(shù),ZLVR,0.841898847,0.848851099,,,

FALSE,NL≤6×105,1,1,,,

TRUE,6×105＜NL≤109,0.841898847,0.848851099,,,

,ZLC,1.01331844,1.01331844,,,

,潤(rùn)滑油系數(shù)ZL,1.012088409,1.011540189,,,

,ZVC,0.932378217,0.932378217,,,

,速度系數(shù)ZV,0.938623462,0.941406943,,,

,ZRC,0.874661684,0.874661684,,,

,表面粗糙度系數(shù)ZR,0.886237368,0.891396606,,,

FALSE,NL＞109,0.92,0.92,,,

大齒輪齒面布氏硬度,HB,400,,,,

工作硬化系數(shù),ZW,1.041176471,,,,

齒面硬度,TRUE,1.041176471,,,,

,FALSE,1.2,,,,

,FALSE,1,,,,

接觸強(qiáng)度計(jì)算的尺寸系數(shù),ZX,1.039300819,1.037518399,,,

FALSE,NL≤6×105,1,1,,,

TRUE,6×105＜NL＜109,1.039300819,1.037518399,,,

FALSE,NL≥109,1.0433,1.0433,,,

最小安全系數(shù),SHmin,1,,,,

,高可靠度,1.5-1.6,,,,

,較高可靠度,1.25-1.3,,,,

,一般可靠度,1.00-1.10,,,,

,低可靠度,0.85,,,,

許用接觸應(yīng)力,σHP,1868.619027,1923.688159,,,

安全系數(shù),SH,1.04900113,1.258063736,,,

,,滿足要求,滿足要求,,,

齒輪彎曲強(qiáng)度校核,,,,,,

,,,,,,,

彎曲強(qiáng)度計(jì)算的重合系數(shù),Yεβ,0.786810659,,,,

齒向載荷分布系數(shù),KFβ,1.114956682,,,,

,N,0.639266296,,,,

齒間載荷分布系數(shù),KFa,1.2,,,,

KA*Ft/b,580.3571429,≥100N/mm,1.2,,,

,,<100N/mm,1.615323571,,,

復(fù)合齒形系數(shù),YFS,4.15,4.2075,,,

外齒輪齒形系數(shù),Yfa,2.5,2.55,,,

外齒輪應(yīng)力修正系數(shù),YSa,1.66,1.65,,,

計(jì)算彎曲應(yīng)力,σF,997.5630855,1011.384743,,,

齒輪材料彎曲疲勞強(qiáng)度基本值(N/mm2),σFE,900,900,,,

試驗(yàn)齒輪的彎曲疲勞極限(N/mm2),σFlim,450,450,,,

試驗(yàn)齒輪的應(yīng)力修正系數(shù),YST,2,2,,,

工作總時(shí)間(小時(shí)),th,4000,4000,,,

應(yīng)力循環(huán)次數(shù),NL,504000000,371368421.1,,,

彎曲強(qiáng)度計(jì)算的壽命系數(shù),YNT,0.77398855,0.785897332,,,

FALSE,NL≤103,2.5,2.5,,,

TRUE,103＜NL≤3×106,0.77398855,0.785897332,,,

FALSE,3×106＜NL≤1010,0.895307019,0.900791958,,,

相對(duì)齒根圓角敏感系數(shù),YδRelT,1,1,,,

相對(duì)齒根表面狀況系數(shù),YRrelT,1,1,,,

彎曲強(qiáng)度計(jì)算的尺寸系數(shù),Yx,1,,,,

法向模數(shù),TRUE,1,,,,

,FALSE,0.85,,,,

,FALSE,0.8,,,,

,FALSE,0.8,,,,

最小安全系數(shù),SFmin,1.2,,,,

,高可靠度,2,,,,

,較高可靠度,1.6,,,,

,一般可靠度,1.25,,,,

,低可靠度,1,,,,

許用彎曲應(yīng)力,σFP,580.4914124,589.4229987,,,

安全系數(shù),SF,0.698291371,0.699345727,,,

,,不滿足要求,不滿足要求,,,

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青色,,參數(shù)輸入,,,,

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黃色,,選擇輸入,,,,

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綠色,,校核結(jié)果,,,,

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■《機(jī)械設(shè)計(jì)》(第四版）邱宣懷等編著高等教育出版社,,,,,