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凸轮工作曲面的三维坐标x1,y1,z1的实例计算 (给定参数同表凸轮和转盘的对应转角位置、机构的角速比及压力角的实例计算) |
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凸轮 转角 θ/(°) |
滚子曲 面参数 r/mm |
曲 面 1L |
曲 面 2L |
曲 面 2R |
曲 面 3R |
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(x1)1L /mm |
(y1)1L /mm |
(z1)1L /mm |
(x1)2L /mm |
(y1)2L /mm |
(z1)2L /mm |
(x1)2R /mm |
(y1)2R /mm |
(z1)2R /mm |
(x1)3R /mm |
(y1)3R /mm |
(z1)3R /mm |
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0 |
72 ┇ 102 |
-105.06 ┇ -77.35 |
— |
7.23 ┇ 18.71 |
— |
— |
— |
-105.06 ┇ -77.35 |
— |
-7.23 ┇ -18.71 |
— |
— |
— |
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┇ |
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30 |
82 84 86 |
-81.28 -79.66 -78.03 |
54.55 53.90 53.26 |
19.64 20.65 21.65 |
-89.94 -88.12 -86.30 |
59.94 59.21 58.48 |
-44.72 -44.73 -45.22 |
-86.17 -84.68 -83.19 |
41.73 40.56 39.37 |
-4.34 -5.03 -5.71 |
— |
— |
— |
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┇ |
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58 |
82 84 86 |
-49.00 -48.04 -47.09 |
95.35 94.35 93.34 |
42.11 43.58 45.06 |
-43.18 -41.81 -40.43 |
89.13 87.62 86.12 |
-21.15 -20.99 -20.82 |
-60.72 -59.97 -59.23 |
77.12 75.23 73.35 |
17.38 17.12 16.86 |
-65.14 —
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-87.58 —
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-45.38 —
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┇ |
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62 |
82 84 86 ┇ |
-43.28
┇ |
-100.20
┇ |
45.38
┇ |
-36.43 -35.17 -33.91 ┇ |
91.14 89.55 87.97 ┇ |
-17.38 -17.12 -16.86 ┇ |
-55.60 -54.98 -54.36 ┇ |
81.96 80.02 78.07 ┇ |
21.15 20.99 20.82 ┇ |
-58.08 -57.68 -57.29 ┇ |
90.11 88.78 87.45 ┇ |
-42.11 -43.58 -45.06 ┇ |
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90 |
82 84 86 ┇ |
—
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—
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—
|
6.94 7.22 7.50 ┇ |
95.50 93.61 91.73 ┇ |
4.34 5.03 5.71 ┇ |
-6.94 -7.22 -7.50 ┇ |
107.86 105.92 103.98 ┇ |
44.22 44.73 45.22 ┇ |
-6.61 -6.85 -7.11 ┇ |
97.67 95.94 94.21 ┇ |
-19.64 -20.65 -21.65 ┇ |
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┇ |
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120 |
72 ┇ 102 |
— |
— |
— |
52.53 ┇ 38.67 |
90.99 ┇ 66.98 |
7.23 ┇ 18.71 |
— |
— |
— |
52.53 ┇ 38.67 |
90.99 ┇ 66.98 |
-7.23 ┇ -18.71 |
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注:1. 计算步长Δ θ=2°,Δ r=2mm,72≤r≤102。 2. 由于受凸轮宽度l和理论外径Dt的限制,z1只在±45mm,x1和y1只在±115.62mm范围内有效。表中列出的某些超出此界限的值,仅供分析时参考用,有方框者为界限值。 3. 实例见图弧面分度凸轮零件图。 |
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