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GAS TURBINE ENGINE CARBON OIL SEALS COMPUTERIZED ASSEMBLY Robert Lee Axiam Incorporated Gloucester, Massachusetts Gas Turbine Engine Carbon Oil Seals Computerized Assembly AXIAM BEARING & SEAL STACK ASSEMBLY SOFTWARE AND PROCEDURES NASA/CP—2006-214383/VOL1 361 brought to you by CORE View metadata, citation and similar papers at core.ac.uk provided by NASA Technical Reports Server

Gas Turbine Engine Carbon Oil Seals Computerized Assembly

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Page 1: Gas Turbine Engine Carbon Oil Seals Computerized Assembly

GAS TURBINE ENGINE CARBON OIL SEALS COMPUTERIZED ASSEMBLY

Robert Lee Axiam Incorporated

Gloucester, Massachusetts

Gas Turbine Engine Carbon Oil Seals

Computerized Assembly

AXIAMBEARING & SEAL

STACK ASSEMBLYSOFTWARE AND PROCEDURES

NASA/CP—2006-214383/VOL1 361

https://ntrs.nasa.gov/search.jsp?R=20070002989 2019-08-29T18:54:17+00:00Zbrought to you by COREView metadata, citation and similar papers at core.ac.uk

provided by NASA Technical Reports Server

Page 2: Gas Turbine Engine Carbon Oil Seals Computerized Assembly

GO

ALS

1)R

EP

EA

TA

BLE

AS

SE

MB

LY P

RO

CE

SS

2)A

CC

UR

AT

E A

SS

EM

BLY

PR

OC

ES

S

3)M

INIM

IZE

SE

AL

RU

NO

UT

4)D

ES

IGN

TO

EN

GIN

E C

EN

TE

RLI

NE

OF

RO

TA

TIO

N, I

E”

BE

AR

ING

S

NASA/CP—2006-214383/VOL1 362

Page 3: Gas Turbine Engine Carbon Oil Seals Computerized Assembly

Axi

al S

eal A

ssem

bly

Axi

al S

eal A

ssem

bly

NASA/CP—2006-214383/VOL1 363

Page 4: Gas Turbine Engine Carbon Oil Seals Computerized Assembly

Rad

ial S

eal A

ssem

bly

NASA/CP—2006-214383/VOL1 364

Page 5: Gas Turbine Engine Carbon Oil Seals Computerized Assembly

GA

S T

UR

BIN

E

SE

AL

LEA

KS

•P

OT

EN

TIA

L P

RO

BLE

MS

CA

US

ING

OIL

LE

AK

S

•1)

INC

OR

RE

CT

PA

RT

DA

TU

MS

2) M

ISS

ING

PA

RT

GE

OM

ET

RY

3) E

NG

INE

VIB

RA

TIO

N4)

SE

AL

HY

ST

ER

ES

SE

S•

5) IN

CO

RR

EC

T A

SS

EM

BLY

PR

OC

ED

UR

ES

•6)

AC

CU

MU

LAT

ION

OF

TO

LER

AN

CE

S

NASA/CP—2006-214383/VOL1 365

Page 6: Gas Turbine Engine Carbon Oil Seals Computerized Assembly

INC

OR

RE

CT

PA

RT

DA

TU

MS

In a

bea

ring

com

part

men

t the

re a

re a

se

ries

of p

arts

whe

n as

sem

bled

det

erm

ine

the

loca

tion

of th

e be

arin

g an

d se

al a

s re

late

d to

the

cent

erlin

e of

rot

atio

n.W

e se

e pa

rt d

atum

s th

at d

o no

t est

ablis

hA

coi

ncid

ent p

ath

from

the

bear

ing

to th

ese

al.

NASA/CP—2006-214383/VOL1 366

Page 7: Gas Turbine Engine Carbon Oil Seals Computerized Assembly

Mis

sing

Par

t Geo

met

ry

Con

trol

s

Par

t geo

met

ry c

ontr

ols

mis

sing

on

draw

ings

:

Con

cent

ricity

Rou

ndne

ssF

latn

ess

Circ

umfe

rent

ial W

avin

ess

NASA/CP—2006-214383/VOL1 367

Page 8: Gas Turbine Engine Carbon Oil Seals Computerized Assembly

Eng

ine

Vib

ratio

n

Hig

h en

gine

vib

ratio

n ca

n ca

use

seve

re o

il le

akag

e C

ase:

Nav

y E

A6B

“P

row

ler”

Eng

ine:

J52

-408

Eng

ine

vibr

atio

n le

vel a

ppro

achi

ng 6

Mils

Low

Rot

or s

hafts

bre

akin

g du

e to

oi

l cok

ing

NASA/CP—2006-214383/VOL1 368

Page 9: Gas Turbine Engine Carbon Oil Seals Computerized Assembly

Sea

l H

yste

resi

s

The

inab

ility

of t

he s

eal t

o re

spon

d fa

st e

noug

h to

the

rota

ting

elem

ent

Rad

ial S

eal:

Sen

sitiv

e to

hou

sing

air

pres

sure

Sen

sitiv

e to

sea

l run

out ?

Axi

al S

eal:

Ver

y se

nsiti

ve to

sea

lpe

rpen

dicu

larit

y to

sha

ft

NASA/CP—2006-214383/VOL1 369

Page 10: Gas Turbine Engine Carbon Oil Seals Computerized Assembly

Inco

rrec

t Ass

embl

y P

roce

dure

s

Par

ts n

ot fu

lly s

eate

dP

arts

hea

ted

or c

oole

d to

inco

rrec

tte

mpe

ratu

reP

art f

its a

re in

corr

ect

Not

bei

ng a

war

e th

at a

ssem

bly

proc

edur

es a

re s

omet

imes

tim

e

sens

itive

NASA/CP—2006-214383/VOL1 370

Page 11: Gas Turbine Engine Carbon Oil Seals Computerized Assembly

NASA/CP—2006-214383/VOL1 371

Page 12: Gas Turbine Engine Carbon Oil Seals Computerized Assembly

GM

S-40

00 S

oftw

are

Par

t In

spec

tion

Set

up

NASA/CP—2006-214383/VOL1 372

Page 13: Gas Turbine Engine Carbon Oil Seals Computerized Assembly

GM

S-4

000

Out

put P

age

GM

S 40

00T

M S

oftw

are

Mea

sure

men

ts

NASA/CP—2006-214383/VOL1 373

Page 14: Gas Turbine Engine Carbon Oil Seals Computerized Assembly

Rot

or O

utpu

t She

et

Typ

ical

CM

M O

utpu

t

NASA/CP—2006-214383/VOL1 374

Page 15: Gas Turbine Engine Carbon Oil Seals Computerized Assembly

Alte

rnet

Res

ults

Pag

eR

otor

Out

put S

heet

(con

t’d)

NASA/CP—2006-214383/VOL1 375

Page 16: Gas Turbine Engine Carbon Oil Seals Computerized Assembly

NASA/CP—2006-214383/VOL1 376

Page 17: Gas Turbine Engine Carbon Oil Seals Computerized Assembly

NASA/CP—2006-214383/VOL1 377

Page 18: Gas Turbine Engine Carbon Oil Seals Computerized Assembly

SE

AL

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NASA/CP—2006-214383/VOL1 378

Page 19: Gas Turbine Engine Carbon Oil Seals Computerized Assembly

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NASA/CP—2006-214383/VOL1 379

Page 20: Gas Turbine Engine Carbon Oil Seals Computerized Assembly

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NASA/CP—2006-214383/VOL1 380

Page 21: Gas Turbine Engine Carbon Oil Seals Computerized Assembly

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NASA/CP—2006-214383/VOL1 381

Page 22: Gas Turbine Engine Carbon Oil Seals Computerized Assembly

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NASA/CP—2006-214383/VOL1 382

Page 23: Gas Turbine Engine Carbon Oil Seals Computerized Assembly

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NASA/CP—2006-214383/VOL1 383

Page 24: Gas Turbine Engine Carbon Oil Seals Computerized Assembly

NASA/CP—2006-214383/VOL1 384