矩形花键的基本尺寸系列和键槽截面尺寸 (摘自GB/T 1144-2001) (mm)
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轻 系 列
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中 系 列
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小径
d
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规 格
N×d×D×B
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c
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r
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hmin
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参 考
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规 格
N×d×D×B
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c
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r
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hmin
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参 考
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d1min
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amin
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d1min
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amin
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11
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＿
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＿
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＿
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＿
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＿
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＿
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6×11×14×3
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0.2
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0.1
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1.1
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＿
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＿
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13
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6×13×16×3.5
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16
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6×16×20×4
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0.3
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0.2
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1.4
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14.4
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1.0
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18
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6×18×22×5
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16.6
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1.0
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21
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6×21×25×5
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19.5
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2.0
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23
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6×23×26×6
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0.2
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0.1
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1.1
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22
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3.5
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6×23×26×6
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0.3
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0.2
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1.9
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21.2
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1.2
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26
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6×26×30×6
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0.3
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0.2
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1.4
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24.5
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3.8
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6×26×30×6
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0.4
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0.3
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2.2
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23.6
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1.2
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28
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6×28×32×7
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26.6
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4.0
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6×28×32×7
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25.8
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1.4
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32
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8×32×36×6
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30.3
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2.7
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8×32×36×6
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29.4
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1.0
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36
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8×36×40×7
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34.4
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3.5
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8×36×40×7
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33.4
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1.0
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42
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8×42×46×8
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40.5
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5.0
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8×42×46×8
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39.4
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2.5
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46
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8×46×50×9
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44.6
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5.7
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8×46×50×9
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0.5
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0.4
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3
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42.6
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1.4
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52
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8×52×5×10
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0.4
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0.3
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2.2
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49.6
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4.8
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8×52×58×10
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48.6
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2.5
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56
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8×56×62×10
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53.5
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6.5
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8×56×62×10
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52.0
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2.5
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62
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8×62×68×12
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59.7
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7.3
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8×62×68×12
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0.6
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0.5
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3.8
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57.7
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2.4
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72
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10×72×78×12
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69.6
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5.4
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10×72×78×12
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67.4
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1.0
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82
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10×82×88×12
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79.3
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8.5
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10×82×88×12
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77.0
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2.9
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92
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10×92×98×14
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89.6
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9.9
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10×92×98×14
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87.3
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4.5
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102
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10×102×108×16
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99.6
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11.3
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10×102×108×16
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97.7
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6.2
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112
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10×112×120×18
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0.5
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0.4
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3
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108.8
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10.5
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10×112×120×18
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0.6
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0.5
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5.3
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106.2
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4.1
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注:1.d1和a值适用于展成法加工,矩形花键以小径定心。
2. hmin为内、外花键最小接触高度。
