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第 15 讲教学内容 PowerPoint PPT Presentation


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第 15 讲教学内容. 第 6 章 标准件和常用件. 6.3 键及销联接. 6.4 滚 动 轴 承. 6.3 键及销联接. 键主要用于轴和轴上零件(如齿轮、带轮)间的圆周向联接,以传递扭矩。如图 6 – 19 所示,在被联接的轴上和轮毂孔中制出键槽,先将键嵌入轴上的键槽内,再对准轮毂孔中的键槽(该键槽是穿通的),将它们装配在一起,便可达到联接目的。. 图 6–19 键联接. 6.3.1 常用键的型号

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第 15 讲教学内容

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15

15

6

6.3

6.4


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6.3

619


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619


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6.3.1

620ABC64


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620


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6.3.2

16()

621


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621


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6.1621d=1820

16b6t3.5t12.8L18

dt=183.5=14.5d+t118+2.8=20.8


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6.3.3

621


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6.3.4

622ab


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622


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623

622c


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623


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6.4

6.4.1

1.


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2.


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6.4.2

(1)

(2)

(3)


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6.4.3 (GB/T 27293)

1.


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1)

2)

3)

2.


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1)

LLNU207

WSWS81107

2)


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