已知一对外啮合标准直齿圆柱齿轮传动的中心距a=150mm,模数m=3mm,其中一个齿轮的齿数z1=30...

2025-01-22 12:33:18
推荐回答(4个)
回答1:

中心距 (mm) a = 150.000 压力角 (度) αn = 20.0
法向模数(mm) Mn = 3.0 端面压力角 αt = 20.0
端面模数(mm) Mt = 3.0 螺旋角 (度) β = 0.0
齿数比 u = 2.3333 螺旋角 β = 0°0′0″

小齿轮 大齿轮
齿轮齿数 Z = 30 70
法向变位系数 Xn = 0.20086 -0.20086
变位量(mm) Xn·Mn = 0.6026 -0.6026
齿宽 (mm) B = 55.0 50.0
齿顶高系数 Ha* = 1.0 1.0
顶隙系数 Cn* = 0.25 0.25
齿根高系数(Hf*=ha*+cn*) Hf* = 1.25 1.25
小齿轮 大齿轮
分度圆直径 (mm) D = 90.0000 210.0000
节圆直径 (mm) Dp = 90.0000 210.0000
齿顶圆直径 (mm) Da = 97.2052 214.7948
齿根圆直径 (mm) Df = 83.7052 201.2948
基圆直径 (mm) Db = 84.5723 197.3355
有效渐开线起始圆直径 (mm) Drmin = 85.9710 204.3226

齿 顶 高 (mm) Ha = 3.6026 2.3974
齿 根 高 (mm) Hf = 3.1474 4.3526
全 齿 高 (mm) H = 6.7500 6.7500

固定弦齿厚 (mm) Scn = 4.5485 3.7738
固定弦齿高 (mm) Hcn = 2.7748 1.7106
分度圆弦齿厚 (mm) Srn = 5.1482 4.2735
分度圆弦齿高 (mm) Hrn = 3.6763 2.4192
公法线长度 (mm) Wnk = 32.6701 68.9519
跨 齿 数 K = 4 8
跨棒(球)距 (mm) M = 99.3049 217.3677
圆棒(球)直径 (mm) dp = 5.5000 5.5000
量棒中心所在圆的压力角(度) αM = 25.63388 21.34453
法向齿顶厚 (mm) Sna = 2.0444 2.4434
齿顶压力角 (度) αa = 29.5368 23.2609
最大滑动系数 η = 1.0447 1.0447

端面重合度 εα = 1.7016 端面啮合角(度) αp = 20.0000
轴向重合度 εβ = 0.00 齿宽系数 b/a = 0.3333
总重合度 εα+β = 1.7016 宽径比系数 b/d1 = 0.5556

小齿轮精度

第一组IQ1= 6 第二组IQ2= 6 第三组IQ3= 6

FP = 0.0320 ff = 0.0080 Fβ= 0.0120
Fr = 0.0250 ±fpt= 0.0100 Fb = 0.0120
Fi '= 0.0400 fi' = 0.0108 Fpx= 0.0120
Fpk = 0.0220 ±fpb= 0.0090
Fi''= 0.0360 fi'' = 0.0140
Fw = 0.0200 ffβ = 0.0108

6-6-6-J L (GB 10095-88)

公法线长度 Wnk1= 32.6701 跨 齿 数 K1 = 4
公法线上偏差 Ews = -0.1001 公法线下偏差 Ewi= -0.1442
齿厚上偏差 Ess = -0.1000 齿厚下偏差 Esi= -0.1600
跨棒(球)距(mm) M = 99.3049 圆棒(球)直径 dp1= 5.5000
量柱距上偏差 Ems = -0.2314 量柱距下偏差 Emi= -0.3333

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大齿轮精度

第一组IQ1= 6 第二组IQ2= 6 第三组IQ3= 6

FP = 0.0630 ff = 0.0090 Fβ= 0.0120
Fr = 0.0360 ±fpt= 0.0110 Fb = 0.0120
Fi '= 0.0720 fi' = 0.0120 Fpx= 0.0120
Fpk = 0.0320 ±fpb= 0.0100
Fi''= 0.0500 fi'' = 0.0160
Fw = 0.0250 ffβ = 0.0120

6-6-6-J M (GB 10095-88)

公法线长度 Wnk2= 68.9519 跨 齿 数 K2 = 8
公法线上偏差 Ews = -0.1122 公法线下偏差 Ewi= -0.1979
齿厚上偏差 Ess = -0.1100 齿厚下偏差 Esi= -0.2200
跨棒(球)距(mm) M2 = 217.3677 圆棒(球)直径 dp2= 5.5000
量柱距上偏差 Ems = -0.3083 量柱距下偏差 Emi= -0.5436

中心距(mm) a = 150.0 中心距极限偏差±fa= 0.0200

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小齿轮基准面径向圆跳动和端面圆跳动为: 0.0110
大齿轮基准面径向圆跳动和端面圆跳动为: 0.0140
接触斑点沿齿高方向大于: 50.0%
接触斑点沿齿长方向大于: 70.0%

齿轮副的最小法向侧隙 jnmin=0.1617
齿轮副的最大法向侧隙 jnmax=0.2862

齿轮副的最小圆周侧隙 jtmin=0.1720
齿轮副的最大圆周侧隙 jtmax=0.3045

回答2:

a=1/2(d1+d2),d=mz,d2=2a-d1=2x150-3x30=210,z2=d2/m2=210/3=70,
齿根圆直径df=d-2hf=d-2m(齿顶高系数+顶隙系数)=210-2x3x(1+0.25)=202.5(模数大于等于1时的)
这只是标准直齿圆柱齿轮的

回答3:

我是做齿轮的。看了一眼上面的回答,晕乎乎的一大堆,应该是使用软件直接生成的,有些数据不正确。好吧,直接回答你的提问。另一个齿轮的齿数是70齿,分度圆直径是210mm,齿顶圆直径是216mm,齿根圆直径是202.5mm。OK?

回答4:

a=m/2*(Z1+Z2)--->Z2=70,,,d=m*Z---->d2=210mm,,,,,df=m*(Z-2ha-2c)--->df2=202.5mm

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