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TRANSCRIPT
-
2 (Shaft Alignment)
1. (Shaft Alignment Basics)
1.1 (The Importance of Shaft Alignment)
(Alignment)
. Alignment , , , ,
.
Alignment Alignment
. Misalignment .
Misalignment .
40 Misalignment ,
. , ,
,
.
Misalignment 16
. 80
.
.
.
,
.
, , .
.
? , ,
, .
. , , ,
, , , , .
.
-
2 1247
.
.
.
.
.
.
, .
Misalignment
.
.
.
, , .
6 60 6
6 16
. 30 , ,
. ,
.
. FFT
, Spike Energy
.
.
Misalignment
-
1248 3
. Misalignment 1, 2
. Misalignment
.
99% Misalignment .
. Misalignment .
Universal Joint
Misalignment .
.
.
.
. ,
, , ,
.
.
( Misalignment ).
.
.
, .
20%
,
.
.
1.2 (The Objective of Shaft Alignment)
1 2
, .
-
2 1249
( ),
,
.
, .
,
.
.
Thermal Growth Misalignment
.
, Rim(Offset) Face(Angle)
.
.
. ,
, ,
.
, .
.
.
.
.
(217% ).
, , .
1.3 ,
(Rotor Dynamics, Causes and Symptoms of Misalignment)
2-1 Misalignment .
Misalignment
.
-
1250 3
(Flexible Coupling)
Misalignment .
Misalignment .
.
2-1 Misalignment
2-1
.
Force Vector
Force Vector
. Misalign
.
Heavy Spot'
.
Misalignment .
2-2
. , ,
, .
Misalignment .
-
2 1251
2-2 Misalignment
Weight Unbalance
.
Misalignment
.
Level Level
Oil Whip .
Rubbing .
Level Babbitt
.
.
Bearing Metal Pedestal
Oil Whip
Angular(Face) Misalignment
Misalignment . Misalignment Bent Shaft
. Misalignment
, Shaft Crack Fatigue , .
Misalignment .
-
1252 3
( )
. , ,
.
2
Misalignment .
, ,
,
.
.
Runout .
.
.
.
.
1.4 (Types and Guide of Shaft Alignment)
Face and Rim Reverse Indicator
. Face and Rim Face(, Angular) (
2-3) Rim( , Parallel, Offset) ( 2-4)
(Angle) (Offset) . Reverse Indicator
Indicator 1 ,
2 Rim .
Face Rim Rim Dial Indicator Face Dial
Indicator ( ) Block
Feeler Gauge . 2-3 ,
, Face
(Angle) .
-
2 1253
2-3 Face Alignment
2-4 Rim Alignment
Rim 2-4 ,
(Total Indicator Readings) 1/2.
Face , ,
Rim Face ,
, . Rim Face
.
, Rim
, . Alignment
. Reverse Dial Indicator Alignment
,
. 1980
, .
.
2-5
.
-
1254 3
(Colinear)
. ,
. ,
, Runout
.
2-5
. Runout
( ) . Runout
.
2-5
2-6
. ?
,
Alignment .
.
,
.
(Catenary Curve) .
.
Catenoid .
-
2 1255
2-6
, , ,
.
() , .
, ( MG Set)
.
. .
.
1.5 (Datum of Shaft Alignment)
Smooth
Alignment (Face Rim 0) .
.
(1) Alignment
Alignment
.
-
1256 3
2-7 Alignment
(2) Alignment
Alignment ,
2-8 .
2-8 Alignment
-
2 1257
(3) Alignment
Alignment
2-9 .
2-9 Alignment
.
.
.
,
-
1258 3
Alignment . Alignment
Alignment .
Alignment
.
.
1.6 (Checks Prior to Alignment)
,
. , Alignment
Alignment
.
.
. Alignment , Alignment
,
. .
Misalignment
.
.
()
Offset . , Spring Hinge Support, Pipe Stop
Expansion Loop Nozzle Stress
.
Shim . Shim
. Shim 0.125
-
2 1259
in(3 ) . 5 Alignment
0.070 in Shim 0.040 in
.
Shim , Shim
Alignment .
0.050 in(1.25 ) Shim 10%
.
Shim Pack 3 Shim
. Shim Spring ,
, Soft Foot(1.7 ) .
Shim Area , ,
Honing . Shim Pack
, , , Alignment
.
, Mounting Bolt
. Mounting Bolt Bolt
Hole .
Mounting Foot Jacking Bolt ( 2-10). Jacking Bolt
Shim
.
Alignment , Spool
Piece
. Flexible
Thermal Growth (Offset)
Flexible Diaphragm .
1.7 Soft Foot
1.7.1 Soft Foot (The Importance of Correcting Soft Foot)
Soft Foot . Soft Foot
. Soft Foot Foot Bolt
Frame .
-
1260 3
2-10 Mounting Foot Jacking Bolt
2-11 Misalignment
2-11 Foot Bolt
16 mils(0.4 ) . Frame .
-
2 1261
.
1.7.2 (Internal Misalignment)
2-11 , Alignment
Alignment .
Misalignment
. Soft Foot
. Misalignment
Soft Foot Misalignment
.
Frame Soft Foot ( 2-12),
. ( )
.
Preload . Preload
, .
2-12 Misalignment
180 Bending
. Bending ,
( 2-13). 1,800 rpm , 30
. 24 2,592,000
. .
-
1262 3
2-13 Misalignment
1.7.3 (Distorted Bearings)
2-14 Soft Foot Base Bolt .
End Housing . 2-15
.
Stress Line , Soft Foot Frame
. (
2-15). , 180
. Preloading
.
Soft Foot .
2-14 Soft Foot
-
2 1263
2-15 Soft Foot
1.7.4 Soft Foot (How to Distinguish Types of Soft Foot)
Soft Foot .
. Soft Foot
. Soft Foot ,
. Soft Foot
. Soft Foot .
Soft Foot
. Soft Foot
.
, Soft Foot
.
[0.1 mils(0.003 ) ].
.
Foot Base .
Feeler Gage Soft Foot
. Single Foot Feeler Gage
. 4
.
2 mils(0.05 )
. Soft Foot Foot
1 mils(0.03 ) .
Soft Foot , , .
(1) Mounting Feet (Mounting Feet Out-of-Plane)
: Soft Foot Mental Picture.
-
1264 3
3 Foot , Foot (
2-16). Feeler Gauge Foot .
, Soft Foot .
Foot Soft , . 4 Foot
Foot .
, 2 Foot . Foot
.
: . ; Mounting Pad 3
. ; Foot Shim .
2-16 Mounting Foot Soft Foot
: Feeler Gage Shim . 2 Soft Feet
Shim . 4
Foot Alignment Foot .
Feeler Gage Foot
Foot Shim .
Soft Foot Alignment Feeler Gage
, Foot Shim .
Soft Foot 4 Foot Shim
. Shim Foot , , Alignment
.
(2) Foot (Bent Foot)
: Foot Base ( 2-17). Feeler
Gage Foot
. , Foot Base
-
2 1265
Lever . Foot Foot
Foot Soft Foot . 34
Soft Foot , Soft Foot Foot
.
: ; Base Plate ;
Misalignment ; Foot ; .
2-17 Foot (Bent Foot)
2-18 Step Shimming
: Foot, Base . , Step Shim (
2-18). .
. :
Foot Foot
.
.
Step Thickness 45 6 (Step ) .
-
1266 3
45 6 Shim 1 .
. Foot Step
Shim .
Bent Foot .
Alignment Foot Shim Step
. Foot
Steps Shim .
Alignment Step Shim .
(3) Soft Foot [Inconsistent(Spongy) Soft Foot]
: Alignment Soft Foot
Feeler Gage ( 2-19).
2-19 Soft Foot
: Foot Base , , , ,
; Shim ; Thread Bite Shim ;
Shim. Shim Oil Film
. , Foot
Shim . Shim 1 3 mils(0.08
) ( , Shim
, Shim ). Foot 4 Shim
.
: , Shim, .
Base, Foot Shim .
-
2 1267
Foot Foot
(Wire Brush ) . Foot
. .
Shim Foot .
.
(4) Soft Foot (Induced Soft Foot)
: Alignment
Foot Soft Foot , Feeler Gage
Feet ( 2-20). Foot
, , Foot Shim
.
2-20 Soft Foot
-
1268 3
: .
. Misalignment ,
Alignment Soft Foot .
, , ,
, , , Jacking
Bolt.
: . Alignment
. Alignment
, Base Bolt . Soft Foot
Foot( Foot) Alignment .
. Alignment 1.5
mils(0.04 ) .
Soft Foot , Soft Foot
.
(5) Soft Foot (Gaps Without Soft Foot)
: Alignment Soft Foot
Foot .
Foot .
Alignment Soft Foot ,
Feeler Gage .
: Base . Foot ( Foot).
Base , , .
: Shim
. . Base
.
Alignment ( )
. (, Alignment
) Loose , .
Foot Base Bolt ,
, , , .
Alignment Soft Foot , .
-
2 1269
Soft Foot
. Shim
.
1.8 (Measuring Tools)
.
.
. Rope
Stretcher' ,
Micron .
. 1980
Hold Down Bolt
.
(1) (Standard Tape Measures and Rulers)
.
.
1 Straight Edge
.
(2) (Feeler and Taper Gages)
.
Soft Foot , ,
1 mil
. Wedge Wedge
. 10 mils
.
(3) (Vernier Caliper)
1 mil 400
. 1 .
20 . Jaw
-
1270 3
. "0" 1
.
(4) (Micrometers)
. ,
,
.
(5) (Dial Indicators)
AGD 1 2 (American Gauge Design 1" 1, 2" 2
)
. AGD 1 5
. 50 AGD 2
.
(6) (Optical Alignment Tooling)
Bubble Level
.
, ,
, Off-Line ,
.
(7) (Poximity Probes)
.
.
.
( 14 ).
(8) (Linear Variable Differential Transformers)
AC
. 0.5
1 .
.
(9) (Optical Encoders)
.
-
2 1271
. .
( LED)
.
.
.
(10) (Lasers and Detectors)
.
,
.
, ,
.
1984 Pruftechnik
.
.
3501100
, .
10 10 , 20 20
.
. Bi-cell'( )
'Guadrant Cell'() .
, Cell .
() Cell
.
2.
(Casing Alignment Using Piano Wire)
-
1272 3
Casing Alignment . Casing Alignment
.
Bearing Pedestal
Bearing Pedestal
Diaphragm
Casing Alignment
. ,
, Casing Key, Shim Plate,
.
2 ,
.
.
.
Casing Alignment (Piano Wire Tight Wire)
(Dummy Shaft) Laser
.
Laser Shaft Alignment System .
Diaphragm , .
.
,
.
. Piano Wire Setting Point .
.
2.1 (Measuring Instruments and Tools)
Inside Micrometer Receiver
-
2 1273
Inside Micrometer
- ( 3/8" Stellite )
- ( )
B, 0.4 (0.16")
13.608 (30 lb 2 oz : Hook )
Jig ( )
2-21 Piano Wire Alignment
2.2 (Amount of Piano Wire Sag)
2-22
. Sagging
.
/
(/) .
S =WL(D-L)
2P= 3.622810-5L(D-L)
S : (m)
W : (/m)
7.85, 0.986 /m
-
1274 3
P : ()
D : (m)
L : (m)
2-1
Sag Chart .
2-22
2-1 Sag Chart (: 1/1000 )
(m)
(m)
0 0.1 0.2 0.3 0.4 0.5 0.6 07 0.8 0.9
10 0 000 036 071 105 139 172 204 236 267 297
10 1 326 355 383 410 436 462 487 511 535 558
10 2 580 601 622 642 660 679 697 714 730 746
10 3 761 775 788 801 813 824 835 844 854 862
10 4 869 876 883 888 893 897 900 902 904 905
11 0 000 039 078 116 154 190 226 261 296 329
11 1 362 395 426 457 487 516 545 573 600 626
11 2 652 677 701 725 748 770 791 812 832 851
11 3 869 887 904 920 936 951 965 979 991 1003
11 4 1014 1025 1035 1044 1052 1060 1067 1073 1078 1083
11 5 1088 1090 1093 1095 1096 1096 - - - -
-
2 1275
2.2.3 (Measuring)
.
, .
1/2 .
.
2-21 Inside Mecrometer
, , 3 .
2.4 Casing Alignment (Instance for Casing Alignment)
2-23 A, B Alignment
. A (Rear) . A
B / X, Y, G, H
Sag Chart .
C, D, E, F . X, Y, G, H Sag Chart
, A, B /
C+X = 69.85 + 0.267 = 70.117
D+Y = 61.60 + 0.854 = 62.454
E+G = 55.25 + 0.900 = 56.15
F+H=52.70 +0.535 =53.235
2-23 Casing Alignment
-
1276 3
A ( D+Y=62.454 ), A
(D+Y)-(C+X)=62.454 -70.117 =-7.663 (). B (D
+Y)-(E+G)=62.454 -56.15 =6.304 (). B (D+Y)-(F
+H)=62.454 -53.235 =9.219 (). /
.
2.5 Diaphragm (Instance for Diaphragm Alignment)
Diaphragm .
Diaphragm
Diaphragm .
Diaphragm 2-24 / 2 Support Bar 1
Centering Pin Diaphragm .
2-24 Diaphragm
Key . /
, Support Bar Shim , / Centering Pin
(Shim Shim Pin ) .
Diaphragm 0.15 , Support Bar
0.15 Shim , 0.3 Centering Pin 0.3
Shim 0.3 Shim .
/ /
/ Centering Pin
Centering Pin , Support Bar /
-
2 1277
. Centering Pin Diaphragm .
Diaphragm 0.2 Support Bar Shim 0.2
Support Bar 0.2 .
. Diaphragm 2-25 T
.
2-25 Diaphragm T
2-26 Pivot Point A B C
AB=BC . D AB=BC=AD
.
. Pivot Point 2-27 A D
B , C D A
2-26 A Diaphragm
-
1278 3
2-27 D Diaphragm
Centering Pin Clearance , ,
Diaphragm Diaphragm
Diaphragm 1 inch 0.001".
Diaphragm 30 inch 0.030" .
Centering Pin / .
3. (Shaft Alignment Measurement Techniques)
Soft Foot , Feet , Shim Pack
( ) ,
.
Straightedge
. .
1.8
. (
)
. Dial Indicator
,
.
3.1 (Rough Shaft Alignment)
.
-
2 1279
. Rim
2-28 Straightedge .
Straightedge
. Pitch Angularity
.
( Flexible Coupling )
. 2-28
Angurarity .
2-28 Straightedge Feeler Gauge
-
1280 3
3.2 (Face and Rim Technique )
Flexible Coupling
. 2-29 Flexible Coupling
(Face Rim)
. Face
Face , .
Face 1
Face .
Face 2-31 180 2
Face Face
.
2-30
.
.
2-29 Coupling Face Rim
-
2 1281
2-30 Face
(1)
. Rim Face
(Face)
.
8" Face .
Face Rim Braket
.
(2)
Face 8"
.
Face .
Braket .
(3)
Bracket Face (Rim)
.
Rim 12 Face
12, 6 3, 9
0 Setting (
10 5 ).
-
1282 3
90 (3, 6, 9 )
( Jacking Oil
Pump ).
12 0
.
24 .
(4) Face ( 2-31 )
Face Dial Indicator 1
( ) 2 Dial Indicator
Dial Gauge .
a1b3, a2b4, a3b1, a4b2 .
=(a1+b3)/2, (a2+b4)/2, (a3+b1)/2, (a4+b2)/2
Runout(Face ).
Face (Axial runout)=(a1+b3)/2 - (a3+b1)/2
Face (Axial runout)=(a2+b4)/2 - (a4+b2)/2
Open / a1a3,
b1b3 / a2a4, b2b4 .
Face , , ,
0 0
/ (Validity Rule) .
,
(1 mil, 0.025 ) .
2-31 Face 2 Dial Indicator
-
2 1283
3.3 (Face and Rim Technique )
Rigid Coupling Flexbile Coupling
.
Face
Block Gauge, Feeler Gauge, .
Coulping Block Gauge Feeler Gauge
.
2-32 Rim Dial Gauge Face
(1)
Stopper .
( ).
-
1284 3
Dial Indicator 0 , , ,
Face .
90 Dial Indicator ,
, , Face (44=16 ).
1 Dial Indicator
0 .
4 Face 0
.
3.4 (Reverse Indicator Technique)
Indicator Reverse Technique Double Dial Technique .
Dial Indicator Rim ,
Flexible Coupling (65
750 ) .
(1)
Braket Face
- .
,
, .
Flexible Coupling .
(2)
.
(3)
2-33 . 8
, 2 Dial Indicator
4 .
8 ,
Runout
Run Out . 2
. ,
-
2 1285
.
2-33 ,
.
. 1 mil(0.03
) .
.
2-33
Bracket Indicator .
12 6 Indicator 0 .
90 3, 6, 9 .
12 Indicator 0 .
-
1286 3
24 .
Bracket Bracket 15
.
3.5 (Double Radial Indicator Technique)
2-34
.
3" .
.
.
2-34
(1)
.
.
8" .
.
(2)
.
,
,
-
2 1287
.
.
(3)
.
12 0 .
90 3, 6 9
.
12 0 .
.
.
3.6 - (Shaft to Coupling Spool Technique)
. 75 100 2-35
- . ,
, ,
, .
10 .
1:15 . 300
20 .
2-35 Shaft-coupling Spool
-
1288 3
(1)
.
.
(2)
( )
.
(3)
.
12 0 .
90 3, 6 9
.
12 0 .
.
.
3.7 - (Face-Face Technique)
2-36 - .
Flexing Point Face .
.
. .
2-36 Face-face Spool
-
2 1289
(1)
.
(2)
- .
(3)
Face .
12 0 .
90 3, 6 9
.
12 0 .
- .
.
3.8
(The Causes of Inaccurate Measurement Values)
.
. / /
.
10%
.
.
3.8.1 Face (The Causes of Inaccurate Face Values)
(1)
. Hydrodynamic-type(Kingsbury)
90 .
Hydraulic Jack .
-
1290 3
Stopper .
Face Error
Face
90 Block Gauge Face
Face .
(2) Indicator Stem
Indicator
Stem Binding Indicator
Bracket . Stick Indicator
.
(3) 90
(9, 3 ) (12, 6 )
.
. 12, 3, 6 9 .
3, 6, 9, 12
. 90
.
12(0)
4 3, 6, 9 .
(4) Bracket
Bracket Dial Indicator .
(5) Indicator
Indicator "0"
. 360
0.30 , Indicator 1.30
Indicator
.
3.8.2 Rim (The Causes Inaccurate Rim Values)
(1) Bracket
Bracket 12 6 Bracket Bar
Bracket
-
2 1291
Bracket () . Bracket
2-37 Roller Stand 46 inch
Indicator Bracket 12 Dial Indicator 0
. Indicator .
Indicator Set 90 .
. (-)
.
.
Bracket .
2-37 Bracket
(2)
Angular Misalignment 2-38
. .
Thermal Growth Angular
.
Thermal Growth
. Dial Indicator
. 10% .
10% .
-
1292 3
(3)
Indicator Stem Stick, 90 , Bracket
Rim Face
.
2-38
3.8.3 (Recording Rule of Measurement)
Alignment , .
Dial Indicator (
).
Alignment (, ,
, Water ) .
Face
( ,
).
4. ,
(Plot, Catculation and Exercise for Shaft Alignment)
4.1 (Formula for Shaft Alignment)
4.1.1 (Summary)
Rigid Coupling ,
. Spool Piece
-
2 1293
Flexible Coupling .
Face Rim
, (Hot )
Face Rim 0 Smooth Alignment
(Cold ) .
(Cold ) (Catenary Diagram)
. ()
.
Alignment Coupling
Face Rim . 2-39 LP Rotor
HP Rotor . Bearing
Alignment . HP Rotor , #1
#2 #1, 2 .
2-39
4.1.2 #1 (Movement of #1 Bearing)
2-40 HP Rotor #1 h
Face(f) Rim(r) . MONTOPQTPSQR. a : h = d : f = b : r .
h=ad
f f=da
h r =ba
h
ad,
da,
ba .
-
1294 3
2-40 #1
4.1.3 #2 (Movement of #1 Bearing)
#2 h
Face(f) Rim(r') . 2-41 MONTOPQTPSQR. a : h = d : f = (a+b) : r' .
h=ad
f f=da
h r'=(a+b)
ah
ad,
da,
(a+b)a
.
2-41
-
2 1295
.
#1 h Face(f) .
Face(f) (h) .
Rim(r r') (h) .
Face Face
(h) .
(h)
(Rim r r') .
4.1.4 Alignment Table (Application of Alignment Table)
.
, Table
. 2-2 1, 2
. f Face h , r
Coupling Rim r'
Coupling Rim . r r'
TIR(Total Indicator Readings) TIR 1/2
.
-
1296 3
2-2a (Shaft Alignment Table)
-
2 1297
2-2b (Shaft Alignment Table)
-
1298 3
2-2c (Shaft Alignment Table)
-
2 1299
2-2d (Shaft Alignment Table)
-
1300 3
4.2 Shim Plate (Adjustment of Bearing Shim Plate)
, , , .
2-42 , Ring
Ring Shim Pad
. Shim Pad Shim Plate
.
2-42
, , , Shim Pad ()
(, ) 2-2 Shim Pad
.
, , , Shim Plate
. 2-43 Shim Plate .
V =
Vc = Shim Plate
H =
Hs = Shim Plate
1,2 = Shim Plate
Shim Plate 2-3
Shim Plate Shim Plate
-
2 1301
2-3 Bearing Shim
Table.
2-43
-
1302 3
2-3 Bearing Shim Table
-
2 1303
4.3 (How to Draw Shaft Arrangement Plot)
Dial Gauge 2-44 (
Face
Face Dial Gauge
Block Gauge
), 90
. Alignment (, ) (, )
.
2-44 Alignment Dial Indicator ( : 1/100 )
4.3.1 (, ) (Side View Plot)
Dial Gauge (Zero) . Rim
Face (Zero).
180 Dial Gauge Rim -0.20 ,
Face +0.15 .
(Zero Setting) Rim -0.20
0.1 .
Dial Gauge (TIR ) Rim Dial Gauge -0.20
-0.10 Offset .
(-)
-
1304 3
. (+)
. 2-45 .
Face (Zero)
180 Gauge +0.15 .
2-44 (+)
0.15 .
(-) .
2-46 .
2-45 Rim (, )
2-46 Face (, )
2-47
/ .
0.1 0.15 .
2-47 Rim Face (, )
-
2 1305
4.3.2 (, ) (Top View Plot)
(Zero)
.
90 270 Rim Face
TIR -0.05 , -0.15 +0.05 , +0.10
Rim 90 0.0 , 270 -10 , Face 9
0 0.0 , 270 +0.05 .
Rim TIR -0.10
TIR -0.05 . Rim 2-48
.
2-48 Rim (, )
Face TIR +0.05
0.05 .
2-49 .
2-49 Face (, )
. 0.05
0.05 .
2-50 .
-
1306 3
2-50 Rim Face (, )
4.4 (Exercise on the Map of Shaft Alignment)
4.4.1
(Design Value and Readings of Shaft Alignment)
1, 2 Alignment 2-51
.
2-51 Dial
Gauge , Alignment 2-52 .
Rotor Position LP2 Rotor .
1/100 1/100
.
2-51 1
4.4.2 (Plotting Top and Side View of Shaft Alignment)
, , , /
(Zero) / (Zero) .
(1) Face
Face
(0) (+)
, (-) .
-
2 1307
2-52
(2) Rim
Rim
(0) (+)
() .
Rim TIR TIR 1/2.
2-52 Face Rim 4.3
2-53.
2-53
-
1308 3
4.4.3 (/) (Vertical Movement of Bearing)
LP2 Rotor
LP1 Rotor
LP1 Rotor HIP Rotor . LP2 Rotor
Generator Rotor .
Shaft Alignment Table 2-2( ) , 2-4
,
. ()
(*) Rim (Rim
(*) * )
(,) Face .
Alignment Program ,
. Program ()
(Shim) .
2-4 (, )
: 0.01
Brg
No.
Bearing (, ) HIP/LP1 LP1/LP2 LP2/Gen
1 2 3 4 7F 8F Face Rim Face Rim Face Rim
20 *15 13 22* 10 18*
F 62.7 11.5 *71 13 *14
8.5 *86 0 8*
R 8 8 - 8* - *8
8.5 *78 0 0
F 47.5 8.5 59.5*
0 *18.5
R 28.5 28.5 - 28.5*
0 10* 0 0 10 18
*
F 48.6 10 *74
0 *56
R 46 46 0 46*
28.5 76 54.7 8 2.6 46 0 10* 0 0 0 *10
-
2 1309
4.4.4 (/) (Horizontal Movement of Bearing)
2-5 /
. Alignment
. .
/ Alignment Rim Face
(Zero) . (, )
(*) Rim (Rim
(*) *
) () Face .
2-5 (, )
: 0.01
Brg
No.
Bearing (, ) HIP/LP1 LP1/LP2 LP2/Gen
1 2 3 4 7F 8F Face Rim Face Rim Face Rim
9>*7 10< 6
* 5> 8*
F 48.3 8.9< *55.2 10> *10.8
0.1> *62.2 0 *4.8
R 4.8 4.8 - *4.8 - 4.8*
0.1> *67 0 0
F 0.6 0.1< 0.7*
0 *66.3
R 66.3 66.3 - 66.3*
0 0 0 0 5> 8*
F 24.3 5< *12.7
0 *4.7
R 4.7 4.7 0 4.7*
66.3 66.9 53.1 4.8 4.7 29 0 0 0 0 0 0
-
1310 3
4.4.5 Shim Plate (Bearing Shim Plate Adjustment)
4.4.3 4.4.4
. Shim Plate .
4.2 /, /
Shim Plate 2-6 2-7 .
(1) (, ) Shim Plate
2-6 (/) Shim Plate
Shim
# 1 # 2 # 3 # 4 # 7F # 8F
28.5
76.0
54.7
8.0
2.6
46.0
0() -28.5 No No No -2.6 +46
30 -24.8 -24.8 -65.8 -65.8 -47.6 -47.6 +7.0 +7.0 No No
75 -7.4 -7.4 -19.7 -19.7 No No No No
90() No No 0 0 0 0 0 0 0 0
+, - Shim Plate , .
1/100 .
Shim Plate
.
Shim Plate= Shim Plate
(Vc=Vcos)
-
2 1311
(2) (, ) Shim Plate
2-7 (/) Shim Plate
BRG
NO.
Shim
# 1 # 2 # 3 # 4 # 7F # 8F
Bearing
66.3
66.9
53.1
4.8
4.7
29.0
0() 0 No No No 0 0
30 +33.1 -33.1 +33.5 -33.5 +26.6 -26.6 +2.4 -2.4 No No
75 +64.3 -64.3 +64.9 -64.9 No No No No
90() No No +53.1 -53.1 +4.8 -4.8 4.7 29.0
+, - Shim Plate , .
1/100 .
Shim Plate
.
Shim Plate= Shim Plate
(Hs=Hsin)
(3) Shim Plate
/ / Shim Plate
, , ,
/ Bearing Alignment . 2-8
(1), (2) Shim Plate .
2-8 Shim
: 0.01
BRG
NO.
Shim
# 1 # 2 # 3 # 4 # 7F # 8F
0() -28.5 No No No -2.6 +46.0
30 +8.3 -57.9 -32.3 -99.3 -21.0 -74.2 +9.4 +4.6 No No
75 +56.9 -71.7 +45.2 -84.6 No No No No
90() No No +53.1 -53.1 +4.8 -4.8 4.7 29.0
-
1312 3
4.5 (Generator Shaft Alignment)
Alignment
. ()
Casing Alignment .
Rubbing
.
Seal Ring Seal Ring
.
. Air Gap Seal Ring
Alignment Alignment
/ Foot Shim Plate( Packer)
/ / .
/ /
.
4.5.1
(The Case of Both Bearings are Installed inside Generator)
/ Foot Shim Plate( 2-54 /
3 ) .
Foot Shim Plate . Shim Plate /
( 2-54 2 5) Shim Plate
Alignment Table . 2-2d
#7 #8 Foot Shim Plate
. Alignment Table #2 Shim Plate h2
#5 Shim Plate h5 Shim Plate h1, h3, h4,
h6 .
-
2 1313
2-54
4.5.2 Front Bearing
(The Case of Front Bearing is Installed outside Generator)
Shim Plate 4.5.1
Front Bearing hB ( 2-55 ).
-
1314 3
2-55 Front Bearing
4.5.3
(The Case of Both Bearings are Installed outside Generator)
. Air Gap
Shaft Stator 4.5.1 4.5.2
.
/ / Shim Plate
/ Axial Key(Center Key)
.
4.5.2
-
2 1315
. / , , , Dial Gauge Setting
Oil Jack . Dial Gauge
Oil Jack Oil Jack Dial Gauge
.
. Hammering Dial
Gauge Stress Relieving .
Alignment Center Key Way Key
. Key Key
Alignment .
5.
(Various Plotting Techniques to Determine Machinery Movement)
5.1 Ponit to Point (Procedure for
Plotting the Point to Point Reverse Indicator Technique)
(1) 1
2-56 ,
Shim Plate(Foot) ,
Bracket
( )
( 2-56 "Side View") .
(2) 2
. .
.
2-57 (-) (+)
. -56 mils Offset 56/2=28 mils
, (-)
() .
.
-
1316 3
2-56
2-57
-
2 1317
(3) 3
2
. (Top
View) (Side View) .
2-58 Point to Point Reverse Indicator
.
. , ,
.
.
2-58 Reverse Indicator Point to Point
(Side Top Views)
-
1318 3
5.2 Line to Point (Procedure for
Plotting the Line to Point Reverse Indicator Technique)
(1) 1
2-59 2-60 ,
. 2-59 2-60
.
(2) 2
1/2
. 2-59
(-) 2-60
(+) (Point to
Point ).
2-59 Reverse Indicator Line to Point
( )
(3) 3
1/2
. (-)
-
2 1319
(+) (Point to Point ).
(4) 4
2 3 .
.
.
2-60 Reverse Indicator Line to Point
( )
5.3 Face Rim
(Proceduure for Plotting the Face and Rim Technique)
Face-Rim Rim(Offset)
Face(Angle) T
(T Bar Overlay) . T
, T (-)
Face T (1) . T
.
(1) Bracket .
-
1320 3
(2) T
. Rim (-) T
Rim
. Rim (+)
.
(3) Face T .
T
.
2-61 Face-Rim 1 (Side View)
-
2 1321
2-62 Face-Rim 2 (Side View)
-
1322 3
5.4 (Procedure for Platting
the Double Radial Indicator Technique)
2 Rim
.
(1) 2-63 Alignment Bracket
, Rim Fan
Fan .
(2) 'NEAR'
(-20 mils) (10 mils) (Point to Point
).
(3) 'FAR'
(+12 mils) (6 mils) .
(4) Fan .
2-63 Double Radial Indicator (Side View).
5.5
(Procedure for Plotting the Shaft to Coupling Spool Technique)
( Jack Shaft)
-
2 1323
(Face) . (Flex Point)
Face Alignment .
.
(1) 2-64 .
(2) Alignment Bracket Rim .
Rim
. Rim (-)
(+) . 2-64 +40 mils
20 mils .
. .
(3) Alignment Bracket Gear Box Rim
. (2) . 2-64
Rim -30 mils 15 mils
. .
Gear Box .
2-64 (Side View)
-
1324 3
6.
(Alignment of Specific Rotor System)
6.1
(Classification of Specific Rotor System)
1 2
1 3 .
(1) Single Bearing
Single Bearing 2-65
.
.
Two Bearing
.
7.2(1) Rabbitt
(Spigot Fit) Rabbitt
.
Spigot Rim
(0) Face . Face
.
2-65 Single Bearing
(2) Single Bearing (1 3 )
2-66 LP Single Bearing Rotor
No1 Lifting
HP LP , HP LP
1 3 .
Single Bearing
-
2 1325
Face No1, 2, 3
No1 Face .
2-66 Single Bearing
(1 3 )
6.2
(Alignment Measurement and Calculation of Specific Rotor System)
6.2.1 Single Bearing
Spigot Fit
Rim 0 Face .
Face 4.1
One Rotor Two Bearing
.
(1)
Single Bearing One Rotor Two Bearing
.
2-67
.
.
Face
Face .
Face 4.1.3(
) b( )
0 a( ) (
) .
Single Bearing Face
.
-
1326 3
2-67 Single Bearing Rotor Sytem
(2) Single Bearing Shaft
.
()
2-68 Single Bearing (
Face 0) No2 .
Face 0 No1 . S1
.
L1 : d = S1 : a
S1 = (L1a)d
. No1,
2
S1 : S2 = (L1+L3) : (L3-L2)
S2 = S1(L3-L2)(L1+L3)
. S1
.
S2 =L1a(L3-L2)
(L1+L3)d
2-68 Single Bearing
-
2 1327
() Face
2-69 #3 S d1, d3
Face . 4.1.3
.
abc fgm lnm rst opq ojk . c
. lnm opq nl, pq .
Face
.
#3 s Face a1
L3 : c = (L3-L2) : S
c =L3sL3-L2
.
a1 : d1 = c : L1
a1 =d1cL1
a1 =d1L3s
L1(L3-L2) .
#3 s Face a3
(L3-L2) : s = d3 : a3
a3 =d3sL3-L2
.
2-69 Single Bearing Face
-
1328 3
6.2.2 Single Bearing (1 3 )
2-70 No1
Rim Face Face
, .
No1 No3 2
, Level
.
Sling Check .
No3 .
2-70 Single Bearing (1 3 )
7. (Rigid Coupling Alignment)
Rigid Coupling Alignment .
7.1 (The Importance of Coupling Alignment)
Crank
Bending Moment
. Weight Balancing
.
Runout Check , 0.02
.
(
Coupling Bolt ).
Coupling Bolt
-
2 1329
Coupling Slip .
Misalignment Coupling Stud Bolt , Coupling Face
.
7.2 (Types of Rigid Coupling)
(1) Rabbet (Spigot Fit)
Rabbet
Coupling Slip .
, Rabbet
. Rabbet ,
. Spigot
Faucet 0.01
.
2-71 Rabbet(Spigot Fit)
(2) Flat Spacer Plate
Spacer Plate
.
Spacer Plate
, .
2-72 Flat Spacer Plate
-
1330 3
(3) Rabbet Spacer Plate
Rabbet Flat Spacer Plate .
2-73 Rabbet Spacer Plate
7.3 (Supergrip Coupling Bolt)
Reamer Bolt
Bolt Hole Reaming
Drilling .
Unit Trip
.
, , ,
.
Reamer Bolt 2-74
. ,
. 1989
1
. .
, .
( :
20%, : 80%). Slip .
Hammer .
Coupling Bolt .
Coupling Concentricity .
-
2 1331
7.4 (Checks Prior to Coupling Assembly)
.
Reamer Coupling Bolt, Nut, Washer
.
Rabbet Fit Type Male & Female Rabbet Fit Stick
.
.
Jig
.
/
Purge Stator
.
2-74
-
1332 3
2-75
7.5 (Considerations on Coupling Assembly)
(1) Coupling Alignment
.
Level Hydraulic Oil Jack
.
Spacer Type Spacer .
(2) A Mark( )
A Mark ( 500Mw
L H Mark ).
Hydraulic Oil Jack
.
Crane Hydraulic Oil
Jack Pin
.
Reamer Bolt Reamer Bolt
Alignment Pin .
Spacer Type A Mark Chain Block
Spacer .
-
2 1333
(3)
Dial
Gauge .
Thrust Stopper .
Hydraulic Oil Jack Jig
.
.
.
(4) Reamer Bolt
Reamer Stick .
Reamer Bolt Hole
.
7.6 Coupling Bolt (Coupling Bolt Tightening)
Coupling Bolt (), (), Run Out
.
4 0.5/10000.6/1000 (
1/2) .
Runout ,
.
0.5/10000.6/1000 (
1/2) .
Runout , .
.
Runout , .
(), ()
: 1.25/100 : 2.5/100
: 2.5/100 : 3.8/100
-
1334 3
7.7 (Movement of Coupling Centers by Bolting)
(1) Runout
Dial Gauge , 0 Mark 8
. 8 0 Mark A, B, C
. Dial Indicator A, B, C
. Dial Gauge 0
+ .
(2) Vector
Runout Vector 2-77, 78, 79
Polar Graph . 4 Vector 16230
12.4210. 4 Vector
. 4230, 3.1210
.
2-76 Runout
Runout 2-9 .
2-9 / Runout
: 1/100
Runout
0 45 90 135 180 225 270 315 0
A B C D E F G H A
-2 -1 0 2 6 6 6 3 -2 8
0 1 2 4 8 8 8 5 0 8
VectorA-E
8180
B-F
7225
C-G
6270
D-H
1315
2 -4 0 6 6 1 6 1 2 10
6 0 4 10 10 5 10 5 6 10
VectorA-E
4180
B-F
5225
C-G
6270
D-H
5135
-
2 1335
2-77 2-78
2-79
(3)
8 Runout Vector 2-80
Polar Graph() .
2 . 8
-
1336 3
2 . 4 1
4 2 1 5
6 .
, .
(4) ,
2-80
Runout. 1/2
2 .
(5) Misalignment
Coupling Bolt
. 1.6/100
(2.5/100 ) (1.25/100 ) , 7.1/100
(3.8/100 ) . Vector F
F A, B, C
E, F, G A, B, C
.
.
2-80 ,
-
2 1337
7.8 (Coupling Torque)
()
2-81 .
Tc
Tc=nQRf (1)
Ps
Ps=2 N Ts710060
(2)
Tc : (-cm)
Ts : (-cm)
Ps :
n :
: (0.150.20)
Q : ()
Rf : (Cm)=(R1+R2)/2
N : (min-1)
2-81
Tc (1) n
Rf Q .
-
1338 3
. Tc2Ts
Tc
-
2 1339
2-10 Rim Runout
(rpm)
Runout (T.I.R)
01800 0.125
18003600 0.05
3600 0.05
8.1.2 (Shaft Alignment Tolerance)
Flexible Coupling Misalignment
(Colinear)
(Offset). .
.
.
2-82 Flexible Coupling (Side View) (Top View)
4 . 4 6 mils
4 inch Misalignment 6 mils/4 inch=1.5
mils/inch .
2-82 Flexible Coupling 4
-
1340 3
Flexible Coupling 4
. 2-83 ,
(Rim) (Face) Flexible
Coupling .
2-83 (Flexible Coupling )
8.1.3 (Level)
.
.
(Level)
.
.
.
.
.
. 2-11
.
-
2 1341
2-11
10 mils/ft 30 mils/ft
(500HP )
5 mils/ft 15 mils/ft
(500HP )
5 mils/ft 20 mils/ft
(500HP )
2 mils/ft 8 mils/ft
Machine tools 1 mils/ft 5 mils/ft
8.2 (Cold and Hot Shaft Alignment)
Cold Alignment 2
. 50
. 2
.
25 , ( Rim Face
, , Double Radial ,
Face Face ) Cold Alignment .
.
.
60%
.
.
(
) , () .
-
1342 3
,
, ,
.
. ,
Alignment
.
, .
. () () .
, Water Stand , Optical Eguipment ,
Laser Beam , Proximity Probe
2 .
, , ,
() Thermal
Growth Oil Whip
.
1 m 100 1 1.1 (1
/m/1000.6 mils/inch/100F).
( ) Smooth Alignment(Face Rim Zero
) .
8.3
(Machinery Movement and Restrictions in the Field)
7 (
) .
(
, , , Runout Soft Foot )
-
2 1343
.
Device
.
. 0.01
.
.
. ,
.
8.3.1 (Machinery Positioning Basics)
(1) (Axial Spacing)
.
.
.
Magnetic Center , (Bearing Seal)
Pen Soap Stone .
Magnetic Center
() . , "Active"
"Active" Thrust Collar
.
. +/-0.010" .
Gap Misalignment
.
.
(2) (Shim Stock)
. 1 mil 100 mils 100 mils
(Spacer) (Plate) . , ,
-
1344 3
. +/-
5%.
(3) (Lateral Movement)
(Jackscrews)
.
(Jackscrews)
(Jackscrews)
.
.
.
.
. Outboard Inboard
Inboard .
.
Inboard Outboard .
0
( 2 mils Soft Foot"
Stress ).
.
Outboard Inboard .
Inboard
.
0 180 .
Inboard
. 0 180
0 . 0
Inboard .
.
-
2 1345
(4) (Vertical Movement)
.
.
8.3.2 (Movement Restrictions)
,
.
()
.
.
Foot Shim Plate .
.
.
.
Rubbing
. ,
. Clearance Map Rubbing
.
8.3.3 (The Do's and Don'ts of Moving Machinery)
Foot Base ,
( Soft Shim ).
.
.
.
-
1346 3
.
.
.
. Soft Foot
.
.
. .
.
.
.
(Under Cut) .
(Dowel) .
8.3.4
(The Alignment Problems Troubleshooting Guide)
.
.
. ?
.
.
.
1.6( ) .
.
.
. Runout , Soft Foot,
,
.
-
2 1347
.
.
.
.
. . Clamp
. ?
? Clamp .
Soft Foot .
.
.
.
.
2 .
?
.
?
? ?
? Soft Foot ?
?
?
.
0 ?
Hot Alignment ?
? 1 mil
.
, , ?
?
.
-
1348 3
.
, Soft Foot
.
9. (Laser Alignment)
Alignment
Piano Wire Dial Gauge Shaft Alignment
Inside-Micrometer Rotor Position
. .
Dial Indicator 5 .
0.025 (1 mils).
Dial Indicator (Runout, Soft Foot )
.
.
.
Bracket Sag . Bracket Sag
.
Laser
Alignment System Dial Gauge
Laser Alignment System
.
Bracket .
3 .
.
1010
.
Runout .
-
2 1349
.
.
.
9.1
(Basic Theory for Laser Optical Measurement System)
9.1.1 (Laser Chrateristics)
.
( ).
, , , .
(1)
.
,
.
( 2-84 ).
2-84
(2)
. .
.
( 2-85 ).
-
1350 3
2-85
(3)
,
.
,
( 2-86 ).
2-86
(4)
,
.
9.1.2
(Structure and Specifications of Laser Generator)
.
.
.
(Pumping Source) (Resonator)
.
-
2 1351
(1)
, , 4 .
---
--- He-Ne, Ar, Kr, N2, Co2. XeF
--- Nd , ,
--- GaAs, Inp, GaAs-P, InAs
(2)
,
.
--- He-Ne Laser, Ar Laser, Kr Laser, N2 Laser, Co2 Laser
---
Flash Lamp --- Nd:YAG Laser, , ,
Laser ---
(3)
2 Fabry-Perot
. ,
,
, .
(4)
, , .
.
2-87 A, B, C, D, E
(A) .
H.R()
, O.C( ) .
(B) .
(C) .
( ) 2
. 2 4
. .
-
1352 3
2-87
(D) ,
.
(E) ,
.
,
.
(5)
.
.
-
2 1353
.
.
(Wavelength)
(:
632.8 ).
.
Watt, Joule (
2-88 ).
2-88
e2 86.4%
.
(: 4.65 ).
Warm-Up
(
)
. , 30
Warm-Up 1
.
75%, 15 95% (
2-89 ).
-
1354 3
2-89
9.1.3 Beam (Basic Operation of Laser Beam)
, , ,
( 2-90 ).
2-90
(1) .
.
-
2 1355
2
.
.
.
.
(2) .
1 23
. Beam Expander(
) . 1
Telescope
. .
(3) .
. Spot (,
) .
(4) .
.
(Detector)
, ,
.
9.1.4 (Classifications and Mediums of Laser)
.
(1) ( - )
.
.
-
. He(90%) NE( 10%)
2 .
-
1356 3
0.5
19 .
10
. .
. -
,
.
.
.
.
.
632.8
, .
(2)
.
(3)
.
.
.
9.1.5
, Laser Beam
.
, , .
.
-
2 1357
9.2 (Laser Shaft Alignment System)
9.2.1 (Classifications of Measuring System)
2-91 .
, Laser/Detector Prftechink
, Dual Laser/Dual Detector AlignX, Fixuure Laser AB
Computational Systems Inc. Laser/Beam Splitter/Dual Detector
Hammer, MMS Prftechink .
2-91
-
1358 3
9.2.2 L-711 Laser Alignment System
(1) L- 711
Laser
Model 711 Laser Unit Hammer Laser, Power Supply,
Expending Optics, Sweep Optics, Precision Levels
. Laser Basic Frame Coarse
Leveling ( 2-92 ).
Coarse Leveling Fine Leveling
Micrometer(Micrometer 0.001 10 feet 0.001 Tilt )
. Sweep Turret Beam Point
, Sweep Turret Coarse Thumb Fine
Micrometer(Azimuth Adjustment) . Model 711 Laser Unit Magnetic Base
( 2-92, 93 ).
2-92
-
2 1359
2-93
Target Target Stand
Machine Tool Model T212 Dual Axis Target
T230 Target Stand . Target Silicon Solar Cell ,
Laser Beam Target Readout .
Target Cell 1.500" 0.001" Centering . T230 Target Stand
Magnetic Base Micrometer 0.25"
. T230 Target
, (Readout) ( 2-94 ).
-
1360 3
2-94 Target
Readout
Target Readout
Laser Beam Center inch Target Center Alignment
. Readout Unit Meter
Vertical Channel Horizontal Channel ( 2-95 ).
Channel . , 3
On/Off Slow Response" .
Damping .
(2) Laser Alignment
Laser
. Beam 3/8"(9.5 ), 100'(30 m) Beam
. Laser Beam
Target , Readout Target Laser
Beam . Laser
,
-
2 1361
, Target
. 2-95 Target 0.011"(0.2794 )
.
2-95
(3)
A-517 Target Laser Beam
A-517 Target .
A-517 Target 0.08 Shim
Magnet
. Laser Beam Level L-711
A-517 Target .
Target Cell
HAMAR Laser United Detector Technology of California
SC10D Position Sensitive Cell . Type Cell
-
1362 3
Light Spot , Light Spot Energy
Center . Cell 4 ( 2, 2)
5 . Cell
1 Light Spot Energy Center Positive Voltage .
DC Voltage Target
. ,
Target (, Target
Cell ).
.
Cell 0.0001" (2.5 Microns), Cell 5%.
Cell , 0.100(2.5 )
2% . Cell , Cell
Roll Off( ) .
5%. ,
. Cell , 0.5
. Level 2.5 micron
. (8
m ) Air Turbulence .
2-96 Target Cell
-
2 1363
2-97 Target Cell Sensing
Air Turbulence
Laser Turbulence
, Laser Target
10 ft(3 m) 0.0001"(0.00254 ). Air
Factor 2 , Air
Factor 2 ( 2-98 ).
2-98 Air Pocket
Laser Beam
Turbulence
. Target .
. .
. Air
Air .
-
1364 3
Laser Beam .
10 12m 0.20 ( 2-99 ).
Air .
Turbulence
. 10 20 ,
.
2-99 Vertical Temperature
.
Fan
Turbulence
Fan Target Laser
. Turbulence
. Fan Slow Response"
, 10 Turbulence
. , Fan
. 6 m 0.025 Fan
. 0.0025
.
Fan
Fan ,
Fan .
-
2 1365
Fan Air
.
7.62 m Fan
2 Fan 2-100 .
Fan Fan .
Fan Fan
.
Fan Fan.
Fan 15 m .
Fan. Fan Fan
.
2-100 Fan
Readout Display .
Fast Response" .
Slow Response" ,
.
"Slow Response"
. 10
20 (
.
).
.
-
1366 3
,
.
.
-
Alignment
T"
.
9.3 Laser Optical (Uses of Laser Optical System)
9.3.1 (Shaft Alignment)
2-101 Laser Shaft Alignment System
.
, 360
. Prftechink
ROTALIGN .
( 1.6 )
Bracket .
- Support Post .
- Bracket .
- Sliding Magnetic Bracket .
Laser (
, ).
( : ) .
.
- Foot
- Front Foot
-
-
-
2 1367
Laser Beam .
- Laser .
. Mode 5 .
- (Default Mode)
- 0. 3, 6, 9
- ( 5 )
- Dial Gauge (Dial Gauage )
- , , , , .
- Foot .
2-101
9.3.2. Bench Mark
Column 3 .
Reinforced Concrete Type ABB Spring Type, ,
Steel Beam Type . Column Top Table
. Top Table I-Beam
. Top Table , ,
. Top Table
-
1368 3
(Neutral Surface) ,
.
. Top Table Column
Bench Mark.
Bench Mark Level .
Top Table
. Bench Mark Water Pot Optical Level
Laser .
Bench Mark Hamar L-711 .
(1)
Bench Mark Measuring Plate Magnet
. Magnet
Base Plate
.
. Measuring Plate
Bench Mark Level
Measuring Plate
.
Bench Mark .
Bench Mark .
.
L-711 Laser Bench Mark
, Point .
Laser Beam 15 m.
(2)
() L-711 Laser Turret Beam .
Sweep Laser Beam Turret
. 2
.
L-104 Floor Stand Machine Bed
-
2 1369
.
Magnet ON .
, ON .
Level Level L-711
.
Turret Coarse, Fine Knob 12 .
Index Screw 6 .
Laser Beam Read-Out Prism
Coarse Fine .
Turret Read-out , Read-out
1/1000 Fast .
Index Screw 6 12 Horizontal, Vertical
.
Horizontal, Vertical
.
S ( ) = (6 - 12 ) / 2
3/32 Allen Wrench Horizontal,
Vertical .
.
0 .
() Calibration of Level Vials
, Leveling Screw
Vial Bubble . Micro-Screw
.
L-104 Floor Stand Machine Bed
.
Magnet ON .
ON .
.001 .002 per foot (A )
-
1370 3
. 10 20 feet .
.0001 Mode . (Pitch and Roll) Level .
A-517 Target .
Magnetic Base
.
A-517
Magnetic Base .
.
Magnet Off 180
Level .
A-517 Target .
Magnetic Base
.
A-517
Magnetic Base .
(0 - 180 ) / 2 = Total Vial
. 0 180 Total Vial
.
(-) (+).
Target Micro Tilting Screw .
( Micro Tilting Screw
, Micro Tilting Screw ).
"-" Vial
Level .
90 2 .
- 0.002 per foot .
- Target 810 feet .
- Level 10 ,
-
2 1371
.
(3)
Laser L-104 Floor Stand , L-711
. 30 .
A-517 Target Bench Mark Beam
Bar . Target Micrometer
.
L-711 Bubble Level Set up
Leveling Screw Level Bubble
. Coarse Fine ,
. Bubble
, . 23
.
Bubble
. Bubble
OFF.
A-517 Target
. Read Out 0 Target Micrometer .
Micrometer .
. A-517 Target
.
Target . Magnet
GEN Magnet
. Read-out 0 , Micrometer
. Read-out
0 .
:
.
(Accuracy) (Precision) .
.
-
1372 3
, ,
.
, .
.
.
,
.
.
.
Bench-Mark Point Target Magnet
Bubble Level . Bubble Level
. Target
A-517 Target Link-Ball
Target Bubble Level
.
L-711 Bubble Level
. .
9.3.3 Casing Alignment
.
Pedestal
Pedestal
Diaphragm
TBN Casing Alignment 1)
. 2)
, Babbit
-
2 1373
. 3) . 4)
Gland Flange .
TBN Casing Alignment 1) , 2)
, 3) , 4) Casing Key Shim
,
.
Dummy Shaft Alignment
Laser .
Laser
.
.
.
.
.
.
Laser Hamar L-711
.
(1)
Alignment Oil Deflector, Gland Packing, Bearing,
Diaphragm Axial .
(2)
Bench Mark .
(3)
L-711 .
- Front Oil Deflector L-711 .
- 2 Magnetic Block
- Table Front Oil Deflector Hanger .
-
1374 3
- L-711 . Beam Translator
. Close Bucking Hanger
.
Universial Target(T-218T) Front, Rear Oil Deflector .
- 2 Magnetic Block .
1.5 m Small
Ball Unit .
- X-Y Mount & Middle Clamp .
- X-Y Mount & Middle Clamp Small Ball Sweep Unit .
Front, Rear Oil Deflector Position Dial Gauge .
Point(3, 6, 9 ) . Axial
Guide Block ,
6 Ball Bubble Level , 3, 9
Casing Flange Magnet Block .
- Front, Rear Oil Deflector Bore X-Y Mount & Middle Clamp
. Position 0 ,
X-Y Mount & Middle Clamp
.
Two Point Buck-in .
- X-Y Mount & Middle Clamp Universal Target(T-218T)
Target Read-Out .
- L-711 Front, Rear Target Vertical, Horizontal 1
. Bucking Beam Translator(L-102)
Laser Beam 1 ,
1 Beam Translator
. Vertical
Laser Beam 220 +Magnet Block 70 =
290 , Jack Screw .
(4)
2 . Small Ball Sweep Unit
-
2 1375
Dial Gauge
Bore . Single Axis Target A-511
Bore 3, 6, 9 Bore7
.
.
Small Ball Sweep Unit
Single Axis Target
A-511
.
.
Bore7
.
.
Measuring Leg Bore
.
Small Ball Sweep Unit
- 4A.1 Diaphragm .
Diaphragm .
X-Y Mount Middle Clamp Universal Target Read-out 0
.
Universal Target , Small Ball Sweep Unit .
Diaphragm Position 3, 6, 9 .
- Diaphragm .
- .
Single Axis Target A-511
- Diaphragm Measuring Leg .
A-511 Target Diaphragm , 90
Measuring Leg . Measuring Leg L
= Radius() - 69.85 (KS C 8401-81 22,
26.5, 2.3, 21.9) .
Diaphragm 2 .
- Bore7 .
-
1376 3
R-355C Interface Target .
Bore7 .
- Measuring Leg 3, 6, 9 .
- Diaphragm .
9.3.4 Pedestal Level
Pedestal
. Pedestal Level
. Pedestal Level
.
Pedestal
. Pedestal Level Laser Optical
.
Laser Pedestal Level Hamar L-711
.
Laser L-104 Floor Stand L-711 .
30 .
A-517 Target Pedestal Beam
Bar . Target Micrometer
.
L-711 Bubble Level Set up
- Leveling Screw Level Bubble
. Coarse Fine ,
. Bubble ,
. 23
.
- Bubble .
Bubble ,
OFF.
A-517 Target ,
. Read Out 0 Target Micrometer .
-
2 1377
Micrometer . .
A-517 Target .
Target . Magnet
GEN , Magnet .
Read-out 0 , Micrometer . Read-out
0
.
9.3.5 Pedestal Thermal Growth
Pedestal
.
Cold Alignment .
,
. Pedestal Thermal Growth Laser
Optical .
Laser Pedestal Level Hamar L-711
.
Laser L-104 Floor Stand L-711 .
30 .
A-517 Target Pedestal Beam
Bar . Target Micrometer
.
L-711 Bubble Level Set up
- Leveling Screw Level Bubble
. Coarse Fine , .
Bubble ,
. 23
.
- Bubble .
Bubble ,
-
1378 3
OFF.
A-517 Target
. Read Out 0 Target Micrometer .
Micrometer . .
A-517 Target .
Target . Magnet
GEN , Magnet .
Read-out 0 Micrometer . Read-out
0
.
R355C A-517 Target . Read7
. .
- Read-Out 0 Alt+Z .
- F4 Key Option Menu .
- 3 Stimer Mode . Stimer Menu Option .
( )
. Escape
.
- F10 .
.
- Escape Read Out Screen .