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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
TL
I η2η3η1 II
η5PwPdIII
η4
IV
1.2
电动机的选择
T
nP
mn nn
/
/
r
/
1
24
4
32
2
4
5
P
P
d
d
Y
/i
i
i
i
i
i总
i
i
i1
i
ii
i
i
i
i
i
i
i
IIIIII
r/P
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P
IIIIII
kW
IIIIII
Nm
Po
kW
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/
r
/
/i
/r
/
/i
/r
/ P
P
kW P
P
kW P
P
kW
r
/n
r
/
r
/P
kW
kWP
kW
N
m
/n
N
m
N
m
/n
N
m
/n
N
m
N
m
1.3、传动件的设计
A
c
cA
c
1
1
2
1
2 2121
11
d
12
012
00
’
Ac
1
2
d
0 d0 d
0
0
00
a
L
aL
0
0
a
L
0
K
K
P
0
0
(
)
N
N
/mm
N
/mm
N
/mm
N
/mm
N
N
nj
L
N
N
/i
N
/
N
N
NN
NN
N/mm
/
N
/
mm
N
/mm
N
/mm
N
/
mm
N
/mm
F
F
F
NF
,,
F N
/mmF N
/mmFN
FF
N
/mm
N
/
mmN
N
N
N
F
F
F
F
N
/mmF
N
/mmF
~
n
/n
m/
d
d
E
KT
d
d
d
u
/
u
/
u/u
N
mm
K
N
mmK
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
KKK
K
K
K
K
K
E
K
N
/mm
E
,
N
/mmE
重合度系数
d
m
d
d
m
d
/
mm
m
m
/
。
m
/
。
mm
d
mmm
mm m (
(
)
2.5m (
d
d
mz
/
mm
d
/
bb
d
43mmd
d
mm
m
/
b=43mm
b
b
b
b
b
mmb
b
b
)、
b
50mm
bd
m Fa
F
KT
F
/
/
Fa
Fa
Fa
Fa
Fa
)
)
)
]
)
)}
/
FF
FF
N/mmN
/
mm dd
mz
/
d
d
d
mm d
d
mm
dd
d
mm d
d
mm )、
d
mmd
mmd
mm
d
mmd
mm
m
d
da
b
(
)
N
N
/mm
N
/mm
N
/mm
N
/mm N
N
njL
N
N
/i
N
/
N
N
NN
N
N
N/mm
/
N
/
mm
N
/mm
N
/mm
N
/
mm
N
/mm
F
F
F
NF
,,
F
FF
N
/mmN
/mm
FF
N
/mm
N
/
mm
N N
N
N
N
F
F
F
F
N
/mmF
N
/mmF
~
n
/n
m/
d
d
E
KT
d
d
d
u
/
/
u
/
u/u
N
mm
K
N
mmK
K
K
K
K
K
K
K
K
K
K
K
K
K
K
KKK
K
K
K
K
K
K
E
N
/mmE
N
/mm
E
,
重合度系数
d
d
mm
d
/
84.42/
mm
m4m
m
mm
d
mmm4m
mm
d
d
mz
mm
d
/
bb
d
d
d
mm
m/
b
b
b b
mmb
b
b
)、
b
bd
m Fa
FFa
KT
F
Fa
FaFa
Fa
)
)
)
]
)
)}
/
F F
FF
N/mmN
/
mm
d
mmdd
mz
d
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
F
/d
/ F
F
/
/r F
F
d
p
/
F
NF
NrF
N
d
d
m
d
d
d
d
d
d
d
L
L
L
L
L
L
9mmL
6
L
50mm
50mm
L
d
d
d
d
d
d
d
L
L
L
L
L
9mm6L
50mmL
d
A
p
4.72
100
32.57mmn
136.62
d
m
d
m
d
m
d
L
d
L
d
L
d
L
43mm
d
L
d
Ld
L
d
L
m
dm
n
d
m
d
d
d
d
d
d
d
d
L
eq
\o\ac(△,3)
L
L
L
L
eq
\o\ac(△,3)
L
L
d
d
d
d
d
d
d
L
L
L
L
L
L
L
F
N
,F
N
, F
N
,F
N pL
,L
L
F
NF
NM
N
mmM
mmM
mmM
mmNF NM N
mmF
F
N
,M
N
mm,F
N
,F
N M
1M
N
mm,
M
N
mm 2
M
N
mm
3M
N
mm,
M
N
mm,M
N
mm
d
M
2.3、滚动轴承的选择
L
F
F
C
r
F
/
F
/F
F
/F
e
P
20783.14
N
p
XF
YF
r r
p
r
r
L
L r r
N
d
2.4、键联接和联轴器的选择
42.74
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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