机械毕业设计-280×380方坯结晶器足辊总成的设计

18724.257 =9362.1285N 2
3.4
Fb F1 N1A D G N2A E F2 B F2A 16.842N· m M
b
A F1A
C
A F1B
N1B D
N2B E
B F2B
898.764N· m M
d
898.922N· m M
3.4
14
D MD= F1A×0.096=175.437×0.096=16.842N·m MD
.
45 1-7-1 -
1Cr23Ni18
1Cr23Ni18
2.2
MPa 1Cr23Ni18 539
MPa
KJ/ m2
245
35
50
------ 1100-1 150
1100
8
2.1.2
664 e=0.2mm f=1mm n=3
2.1
9
2.2
2.2
30
213 209 121.5 10 R1/8
3.2
4.1.1 4.2 4.2.1 4.2.2 4.3 4.3.1 4.3.2 4.3.3 4.3.4
1
5.4
42 42 42 43 43 43 46 46 46 47 48
5.4.1 5.4.2 5.5 5.6 5.6.1 5.6.2 5.7 5.7.1 5.7.2
6.1 6.2 6.3 6.4 6.5 50 50 49
=
F1B×0.096=9362.1285×0.096=898.764 N·m
MD1
MD 2
MD 2
16.842 2 898.7642 898.922 N m
5
B
M W MD1 32 32 MD1 [ d3 d3
1b
] 190MPa
B
M W MD1 d3 32 32 MD1 [ d3 32 MD1 d 3 [ 1]
=0.77 =1
12-8 12-9 K =1.954
S
1
K
a
m
204 1.954 54.134 0.25 0 1.929 [S ] 1.5
1.
3-7-16 ]=0.005 rad
[y]=0.0002×L
L——
L=418mm [y]=0.0002×L=0.0002×418=0.0836 mm 8.36 10 2 m
1.3
1
5
O
1
1ຫໍສະໝຸດ Baidu4
1.5
1
2
6
2.1
280×380 120mm 280mm
280mm 120×240
240mm
2.1.1 ——
7
GB1221-75 1Cr18Ni9Ti
2.1
1Cr18Ni9 Ti MPa 540 MPa 195 40 55 KJ/m2 980 1100-1150
1000
600
b=540Mpa
3.2.2.2
M W
b
M—— W—— ,
d3 W= 32
3.1,
11
3.1
1 G 3.2
N2 G cos2.3
G
N1
N2
N1=G·tg2.3
3.2
12
7.8g/cm³=7.8×10³kg/m³ 1.048m G=m·g= — v—— g—— g=10N/Kg ·v·g
V=0.28×0.38×1.048=0.112m G= =7.8×10³×0.112×10=8.736×10³N
n 1 li 0
MM dl EI
——
18
M—— ——
I—— L—— E—— —— 1-1-14 E=206Gpa= 2.06 1011 Pa 3.7
418 37 59 25.5 87.5 87.5 25.5 59
3.7
li 0
MM dl EI
li 0
3-7-17 3.8
MM dl EI
19
a
A F1A
N1A D
N2A E
B F2 A
16.84 2N· m M A F1B N1B D N2 B E B F2B 898. 764N· m M 898. 922N· m M
7 3-4 D F
[S]=1.5 1 F W=0.1×d³=0.0000064m³
MF
MD 37 96 898.922 37 96 346.46 N m
a=
MD W
346.46 6.4 10 6 5.4134 107 Pa 54.134MPa m=0 Mpa
17
-1=204 Mpa
=0.25
12-2
13
3.3
3 F1A=F2A= A
N1 2 350.874 =175.437N 2
- N1×0.096- N2×0.322+ F2A×0.418=0 F1A= F2A =175.437N
N=
N2+ N3
×cos2.3°=
N 2
8.743×10³+ 10000
×0.999=18724.257N
N1B=N2B=F1B=F2B= 4
N1=G·tg2.3°=8.736×10³×tg2.3°=350.874N N2= 2 P=F·V P—— W P= 7.5Kw P=F·V F=
P V
G cos2.3
8.736 103 =8.743×10³N cos2.3
3.3
V—— V=0.75 m/s
m/s
N3 N3=
P V
F
7500 =10000N 0.75
1 1.1 a b 1.2 1.2.1 1.2.2 1.3 1.4 1.5 6 7 2.1 2.1.1 2.1.2 2.2 7 7 9 10 10 3.1 3.2 3.2.1 3.2.2 3.3 3.3.1 3.3.2 3.3.3 3.3.4 31 32 33 4.1 33 34 36 36 36 37 37 37 38 4.5 38 40 5.1 5.2 5.3 40 40 40 30 31 11 11 11 30 11 5 6 4 4 3 4 3 3
49
51 53 54
2
1.1
a
19 H.
1933
—S
1950 5t
0.8—1.5m/min —2.5m/min 3m/min
2.0
b
1957—1959 180mm*1500mm 1978
3
1964
21
112.70
t
3.5%
1978 1979 3
1985
1.2
1.2.1
1.2.2
10 ×10mm
4
3
1b
]
32 898.922 3.14 190 106 3.64 10 2 m 36.4mm
d=40 mm
15
3.5
3.5 3. 3.6
3.6
16
12-3 mm ø40 mm ø120×240 mm
h= 0.07-0.1 d=0.07×40=2.8 ø45 mm ø40 mm
31 mm mm
6
2.5mm
121.5
?5 ?8.6
R 0.4
.4 R0
3.2
?40-0.062
30 M10 16 37 418 37 M10 16
14.5
5 10
2.2
10
5
?40-0.062
?45
0
0
3.1
—— 1Cr18Ni9Ti
3.2
3.2.1
418mm
424mm
3mm 3.2.2 3.2.2.1 1Cr18Ni9Ti