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1、錐齒輪傳動(dòng)設(shè)計(jì)計(jì)算計(jì)算項(xiàng)目符號(hào)單位公式及數(shù)據(jù)來源結(jié)果一.已知條件傳遞功率Pkw15小齒輪轉(zhuǎn)速n1rpm1000傳動(dòng)比i3軸交角正交傳動(dòng)90齒線形狀圓周速度5m斜齒小齒輪材料及熱處理42SiMn 調(diào)質(zhì)至：HB242大齒輪材料及熱處理45 調(diào)質(zhì)至：HB229材料及熱處理質(zhì)量等級(jí)MQ原動(dòng)機(jī)特性均勻平穩(wěn)工作機(jī)特性輕微振動(dòng)第二公差組精度等級(jí)9潤(rùn)滑油50名義運(yùn)動(dòng)粘度50mm2/s220齒面粗糙度Ra1/Ra2m6.3可靠性要求失效概率低于1/100齒輪支撐形式一輪兩端支撐，一輪懸臂支撐初定小齒輪分度圓直徑d1120主動(dòng)輪小齒輪主動(dòng)輪轉(zhuǎn)向左轉(zhuǎn)主動(dòng)輪旋向左旋二.幾何計(jì)算1.齒形制GB12369-90齒形角GB
2、12369-9020齒頂高系數(shù)ha*GB12369-901頂隙系數(shù)c*GB12369-900.22.大端端面模數(shù)mmm93.齒數(shù)比u3.076924.齒數(shù)z113z2405.變位系數(shù)x1表14-3-80.52x2高變位：x2=-x=-x1 1-0.52xt1表14-3-90.08xt2高變位：x2=-x=-x1 1-0.086.分錐角118.0042)180cos()180sin(arctan90cossinarctan90arctan9011211uuzz時(shí)，當(dāng)時(shí)，當(dāng)時(shí)，當(dāng)12/zzu 271.99587.分度圓直徑d1mm117d2mm360dm1mm99.6912dm2mm306.742
3、8.錐距R189.268Rmmm161.2689.齒寬bmm56齒寬系數(shù)R0.2958810.螺旋角2311.齒寬中點(diǎn)的螺旋角m27.29512.齒寬中點(diǎn)法向模數(shù)mmnmm6.8147213.齒頂高h(yuǎn)amm13.68hamm4.3214.齒根高h(yuǎn)fmm6.12hfmm15.4815.齒高h(yuǎn)mm19.8hmm19.816.齒頂圓直徑da1mm143.02da2mm362.67117.齒根角f12.18542f25.5134318.齒頂角a12.18542a25.5134319.頂錐角a120.1896a277.509320.根錐角f115.8187f266.482421.外錐高Ak1mm175.
4、772Ak2mm54.391522.分度圓弧齒厚s1mm18.5581s2mm9.716223.分度圓弦齒厚mm16.718mm8.8611324.分度圓弦齒高mm4.30019mm4.3402625.當(dāng)量齒數(shù)zv117.5254zv2165.921122,12,1m zdRbR3/14/1Rmxhhaa)(2,1*2,1mxchf)1(2,1*2,12,12,12,1fahhh)5.01(2,12Rmdd)5.01(RmRR2,12,12,12,1cos2aahdd22,12,1cosarctanRhff2121:，等 頂 隙 收 縮 齒fa2,12,12,1ff2,12,11,22,1si
5、n2/akhdA12111)cos/tan22/(smsxxmstcos6cos42sin122,12,1232,12,12,1_2,1dssRssn2,12,12,1aa等頂隙收縮齒：2,12,122,12,12,1_2,1cos442sin1dshRsha)sin2/(11dR RbmbR)(tan_1ns_2ns_1nh_2nh32,12,12,1coscoszzv)/sinarcsin(mmRRmRnmmmcos)5.01(26.端面重合度1.4326227.軸向重合度1.1994928.法向重合度n1.58758三.接觸強(qiáng)度校核計(jì)算A.計(jì)算接觸應(yīng)力HN/mm2520.7411.節(jié)點(diǎn)區(qū)
6、域系數(shù)ZH2.25108當(dāng)量齒輪端面齒形角vt22.27272.彈性系數(shù)ZE表：14-1-66189.83.重合度系數(shù)Z0.89761當(dāng)量齒輪縱向重合度V1.01957當(dāng)量齒輪端面重合度V1.24116當(dāng)量齒輪嚙合線長(zhǎng)度gVmm27.6704當(dāng)量齒輪基圓直徑dvb1mm97.0031dvb2mm918.373當(dāng)量齒輪齒頂圓直徑dva1mm130.047dva2mm995.651當(dāng)量齒輪中心距avmmav=(dv1+dv2)/2548.62當(dāng)量齒輪分度園直徑dv1mm104.824dv2mm992.4164.螺旋角系數(shù)Z0.942695.錐齒輪系數(shù)ZK配對(duì)齒輪的齒頂和齒根進(jìn)行修形0.856.使用
7、系數(shù)KA表：14-1-641.257.動(dòng)載系數(shù)KVKV=NK+11.24472臨界轉(zhuǎn)速比N0.05421中點(diǎn)圓周速度vmtm/svmt=dm1n1/600005.21982系數(shù)K4.51428齒距極限偏差fptm表；14-3-3945跑合量yam12.0782單對(duì)齒剛度cN/mmm14系數(shù)cV120.61071系數(shù)cV30.137齒寬中點(diǎn)切向力FmtNFmt=20009550P/(n1d1)2448.728.齒向載荷分布系數(shù)KHKH=1.5KHbe1.875軸承系數(shù)KHbe表：14-3-301.25vveHvmtHHVAKEHHuubdFKKKKZZZZZ112,12,1*2,12,12,12
8、22111cos2cosarccos,cos/tanarctantantancostantancos21xhzzzzatvatttvattvat)/(sinnmmmb)cos(sincos(arcsin/mnvtmHZ2sin/cos2)cos/arctan(tanmvt2/mmN)1(/11(134時(shí)時(shí)）VVVVVVVZZ2,12,12,1cos5.0dRbRdv2,12,12,12,1tan5.02aavvabhddvtvvbddcos2,12,1vtvvbvavbvavaddddgsin5.022222121cos)5.0(/vtvvbRmRg)5.0(/tan85.0bRmbRmvmZ
9、cos1100084.0221uuvzNmt31285.0/VVmtAaptccbFKcyfK9.齒間載荷分布系數(shù)KH表4-3-311.8141110.有效齒寬beHmmbeH=0.85b47.611.當(dāng)量圓柱齒輪齒數(shù)比uv9.46746B許用接觸應(yīng)力HPN/mm2670.5251.接觸疲勞極限HlimN/mm2圖：14-1-215632.潤(rùn)滑劑系數(shù)ZL圖：14-1-221.5543.速度系數(shù)ZV圖：14-1-230.9584.粗糙度系數(shù)ZR圖：14-1-240.85.尺寸系數(shù)ZX表：14-3-3216.最小安全系數(shù)SHlim表：14-1-691C.強(qiáng)度條件HHP滿足四.彎曲強(qiáng)度校核計(jì)算A.計(jì)
10、算齒根應(yīng)力FN/mm2104.3941.齒向載荷分布系數(shù)KFKF=KH=1.5KHbe1.8752.齒間載荷分布系數(shù)KF表4-3-311.814113.齒形系數(shù)YFa圖：14-3-242.284.應(yīng)力修正系數(shù)Ysa圖：14-3-251.895.重合度系數(shù)Y0.784936.螺旋角系數(shù)Y0.772547.錐齒輪系數(shù)YK1B.許用齒根應(yīng)力FPN/mm2353.681.彎曲疲勞極限FlimN/mm2圖：14-1-29292.752.應(yīng)力修正系數(shù)YST23.齒根圓角敏感系數(shù)YrelT圖：14-1-300.954.齒根表面狀況系數(shù)YRrelT圖：14-1-740.95.尺寸系數(shù)YX圖：14-1-310.
11、989116.最小安全系數(shù)SFlim表：14-1-691.4C.強(qiáng)度條件FFP滿足五.彎曲強(qiáng)度校核計(jì)算1.主動(dòng)小齒輪齒寬中點(diǎn)處的徑向力Fr1N表：14-3-21563.2572.從動(dòng)大齒輪齒寬中點(diǎn)處的徑向力Fr21511.723.主動(dòng)小齒輪齒寬中點(diǎn)處的軸向力Fx11511.724.從動(dòng)大齒輪齒寬中點(diǎn)處的軸向力Fx2563.257蘇州.官波.2005/5/6 19:3821cos/cosuuvXRVLHHHPZZZZSlimlimKsaFamnmtFFVAFYYYYYbmFKKKK85.0VnmoYcossinarcsincos75.25.02120/1mVYXRrelTrelTFSTFFPYYYSYlimlim
直(斜)齒錐齒輪設(shè)計(jì)
