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Copyright 2011, Toshiba Corporation. Copyright 2011, Toshiba Corporation.
1.
2.
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4.
5.
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1.
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Copyright 2011, Toshiba Corporation.
1.
2000
0
Copyright 2011, Toshiba Corporation.
200
0.02
00 200
0.02
0
0.02
00 200
0.02
00 200
0.02
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00
Copyright 2011, Toshiba Corporation.
0
Copyright 2011, Toshiba Corporation.
90
OB OA
Copyright 2011, Toshiba Corporation.
2000
0.02
02000
0.02
0
0.02
0
Copyright 2011, Toshiba Corporation.
Copyright 2011, Toshiba Corporation. Copyright 2011, Toshiba Corporation.
2.
Copyright 2011, Toshiba Corporation. Copyright 2011, Toshiba Corporation.
Copyright 2011, Toshiba Corporation.
X
Copyright 2011, Toshiba Corporation.
mE
dE
l
mE
dE
l
b
y
bfS
S
b
y
bnn
n
217.0
1.5
107.0
7.0
Copyright 2011, Toshiba Corporation.
Fs
Zs
Fs=38N/( mm) 4 2 m 12mm 3800N
fl
Copyright 2011, Toshiba Corporation.
Copyright 2011, Toshiba Corporation. Copyright 2011, Toshiba Corporation.
Copyright 2011, Toshiba Corporation. Copyright 2011, Toshiba Corporation.
Copyright 2011, Toshiba Corporation.
dVStf c
)2/(4
)12(
DLcnf n
St
d
D
L
2
V
d
D
L
2
V
cf
nf
)( ncct fff
Copyright 2011, Toshiba Corporation.
A
C
D
L=2.75m
P
2(293Hz
1(98Hz
A
C
D
L=2.75m
PP
2(293Hz
1(98Hz
0 100 200 300 400 500[Hz]
19.0 m3/hr
23.4 m3/hr
27.7 m3/hr2.5
0-
[kPa
]
-
2.5
0-
[kPa
]
-
2.5
0-
[kPa
]
-
0 100 200 300 400 500[Hz]
19.0 m3/hr
23.4 m3/hr
27.7 m3/hr
19.0 m3/hr
23.4 m3/hr
27.7 m3/hr2.5
0-
[kPa
]
-1.0
0-
[kPa
]
-
2.5
0-
[kPa
]
-1.0
0-
[kPa
]
-
2.5
0-
[kPa
]
-1.0
0-
[kPa
]
-
1
Copyright 2011, Toshiba Corporation.
8.27 [m/sec]
10.19[m/sec]
10.95[m/sec] [MPa
][M
Pa]
[MPa
]
[MPa
]
Copyright 2011, Toshiba Corporation.
A
B
C
D2.75m
Z
X Y
FbFs
FcF Lb
F ((Pb Pc) A F Fs
30
A
C
D
L 1.95m
B
0.27m
Lb 0.48m 3/4 L
L=2.75m
P
2(293Hz
1(98Hz
P
F
FFT
Copyright 2011, Toshiba Corporation.
A
B
C
Z
X Y
FsD
P
Ay
cnL
fn )12(
41
L
A
D
Lb
2/3 L
B
P
C
Lb
2/3 L
Lb 1/4 1/3 L
215
Copyright 2011, Toshiba Corporation.
(a) Nomal
Motor Acceleration
Pump shaft vibration
Pump shaft vibration:
Motor Acceleration
Pump shaft vibration
Pump shaft vibration:
(b) Bearing wear
Pumpshaft
Columnpipe
Bearing
Copyright 2011, Toshiba Corporation.
-10
0
10
20
30
40
50
60
0 0.5 1Time [sec]
0
5
10
15
20
0 50 100Frequency [Hz]
[ m[ m
-500
-400
-300
-200
-100
0
100
0 0.5 1Time [sec]
0
20
40
6080
100
120
140
160
0 50 100Frequency [Hz]
[ m[ m
A1
A3
D1
Du1D2
Du2A4
A2
Du3
A
D
Du
Copyright 2011, Toshiba Corporation.
A1
A3
D1
Du1D2
Du2A4
A2
Du3
Copyright 2011, Toshiba Corporation.
-0.2
-0.1
0
0.1
0.2-0.2
-0.1
0
0.10.2
048121620
X
Y
0
5
10
15
20
25
0 0.2 0.4 0.6 0.8 1
A1
A3
D1
Du1D2
Du2A4
A2
Du3
Copyright 2011, Toshiba Corporation.
A1
A3
D1
Du1D2
Du2A4
A2
XY
16 22 16 40
Copyright 2011, Toshiba Corporation. Copyright 2011, Toshiba Corporation.
Copyright 2011, Toshiba Corporation. Copyright 2011, Toshiba Corporation.
/
/
/
Copyright 2011, Toshiba Corporation.
FMEA Failure Mode and Effect AnalysisFTA: Fault Tree Analysis
••
Copyright 2011, Toshiba Corporation.
Copyright 2011, Toshiba Corporation. Copyright 2011, Toshiba Corporation.
Copyright 2011, Toshiba Corporation. Copyright 2011, Toshiba Corporation.
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