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机械设计任务书························································································机械课程设计第一阶段·····························································································

·······························································································

····························································································机械课程设计第二阶段

·········································································

·························································································

·························································································

······················································································机械课程设计第三阶段··································································································································机械课程设计小结

·················································································

机械课程设计任务书

)。图

F

m m/s mm

一、机械课程设计第一阶段 确定传动方案

HL

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1.2

电动机的选择

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1.3、传动件的设计

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重合度系数

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m

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mm d

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重合度系数

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mmdd

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d

d

mm d

d

mm

dd

d

mm d

d

mm

d

mmd

mm

d

mmd

mm

m

da

b

~

2.1、装配草图设计第一阶段说明

~

2.2、轴的设计及校核

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d

p

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NF

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d

d

m

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d

d

L

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9mmL

6

L

50mm

50mm

L

d

d

d

d

d

d

d

L

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p

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m

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m

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L

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m

dm

n

d

m

d

d

d

d

d

d

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d

L

eq

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eq

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mmM

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mmF

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mm,

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mm 2

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mm

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mm,

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N

mm,M

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mm

d

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2.3、滚动轴承的选择

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F

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F

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p

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r r

p

r

r

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N

d

2.4、键联接和联轴器的选择

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KT

d

mm L

mm L

~

~

mm

21.47

9.39p

p

d

mm,L

mm L

~

~

mm

70.21

22.40p

p

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