APPENDIX I1
I.
APPENDIX I1 CALCULATIONS OF THE LOAD APPLIED TO THE TEST B E A R I N G BY PNEUMATIC PRESSURE T e s t S e a 1 s 7
r
L e t 9 b e p r e s s u r e i n h o t a i r c h a m b e r , b e p r e s s u r e i n i n t e r - s e a l c a v i t y .
P 3 b e p r e s 6 u r . e i n b e a r i n g c h a m b e r .
A s s u m i n g t h e l a b y r i n t h s e a l h a s n o s i g n i f i c a n t p r e s s u r e d r o p a c r o s s i t t h e n t h e p r e s s u r e 6 a c t s o v e r t h e e n t i r e h o t a i r e n d o f t h e t e s t r i g a s shown.
A s s u m i n g t h e h y d r a u l i c d i a m e t e r s o f t h e t w o t e s t s e a l s a r e i d e n t i c a l , t h e n t h e r e i s n o n e t t h r u s t d u e t o t h e p r e s - s u r e P z .
If dr b e t h e h y d r a u l i c d i a m e t e r o f a t e s t s e a l a n d
dR b p t h e h y d r a u l i c d i a m e t e r o f t h e r i g s e a l t h e n t h e
t h r u s t g e n e r a t e d i s g i v e n b y : 2-1 A P P E N D I X I 1 ( C o n t d ; ) R e c a l l i n g t h a t t h e s t i p u l a t e d o p e r a t i o n p r e s s u r e d i f f e r e n t i a l a c r o s s t h e t e s t s e a l p a i r i s 100 p s i
t h e e-3' / O O p s i , a n d g i v e n t h a t
dr = 6.3 70 and d~ = 4; 500
C o n s e q u e n t l y w h e n p J = 3 ' p s i ( t h e m i n i m u m ) T = 3 2 6 2 / A .
p 3 = 4 - 5 p s i ( t h e m a x i m u m ) 7 - = ~ 9 0 ( 3 - / / 4 , _ I N o w t h e r e q u i r e d b e a r i n g t h r u s t l o a d i s 3280 l b s . , , t h u s i t i s p o s s i b l e t o s e l e c t a s i n g l e c a v i t y p r e s s u r e P? w h i c h g i v e s t h e e x a c t l o a d i n g r e q u i r e d .
I-
T h u s T= 9 1 6.3702(m0) f -1 i = 3 2 0 0
T h i s l i n e a r r e l a t i o n s h i p o f b e a r i n g l o a d t o b e a r i n g c a v i t y p r e s s u r e i s s h o w n i n E n c l o s u r e 4 0 .
In p r a c t i c e t h e r e i s s o m e s l i g h t a d d i t i o n a l t h r u s t f r o m t h e s p r i n g f o r c e s o f t h e t h r e e b e l l o w s s e a l s i n t h e t e s t r i g , w h i c h a l l a c t i n a d i r e c t i o n s u c h a s t o i n c r e a s e t h e l o a d i n g o f t h e b e a r i n g . F o r t h i s r e a s o n , a n d b e c a u s e t h e h y d r a u l i c d i a m e t e r s o f t h e s e a l s a r e n o t i n r e a l i t y i d e n t i c a l , a d i r e c t t h r u s t l o a d c a l i b r a t i o n m u s t b e c a r r i e d o u t a n d c o r r e c t i o n m a d e t o t h e p r e s s u r e . T h i s a p p l i e s t o e i t h e r f o r m o f l o a d i n g c o n s i d e r e d f o r t h e s e t e s t r i g s .
2 - 2 A P P E N D I X I11 D U P O N T R E P O R T S ON F R E O N A D D I T I V E T E S T I N G " FREON" PRODUCTS LABOR4TORY --- --- 3. 1 a du P c n t de Nemours & Conip~ny -----.--.
--I-- T E C X N I C A L RF:POR'I' I- I.
I 3-1 A P . P E N D I X I I I ( c 0 n t . L - 2 - I !
\ . , .
i Comments:
i
i while being stirred in a 70°F bath. The flask was weighed a t the first indication that the fluorocarbon was insoluble.
Since only 8 small amount of perfluorodimethylcyclobutane was available, an ultrasonic bath had t o be used to mix such small quantities. This dictated a temperature of approximately &OF.
Section 2
t APPENDIX I 1 1 ( C n n t . 1 - i 3 -3 !
A P P E N D I X I 1 1 ( C o n t . ) 'rFREDN" PRODUCTS LABORATORY E. I. du Pont de Nemours & Company Report Number: KSS-5103A Solubility of Some Combinations of Stable Subject: Fluids and Refrigerants and their S t a b i l i t y with Metals Company: SKF Indus tries, Inc .
King of Prussia Pemsylvsnia
B J : H. M. Parmelee - Date: A p r i l 28, 1965
TO determine the s o l u b i l i t y of "Freon-ll3" Object: and "Freon-ll&32" refrigerants, in four ' lubricants, at atmospheric pressure and 150°F and 250°F. m e lubricants were: Mobil XEIM-lOgF, Monsanto OS124, Union Carbide Ucon 50-HB-5100, and Du Pont PR-143.
A second object was t o run sealed-tube s t a b i l i t y t e s t s with the two refrigerants and four lubri- cants i n combination with each of six metals for 24 hours at 500°F. The metals were s t a i n - .
less steel 304, Inconel X750, Am 355 steel, SKF $12 Steel, Monel 505 and s i l v e r .
3-4 A P P E N D I X I 1 1 ( C o n t .
- 2 - Results : ~ "Freon-114B2" was more soluble than "Freon-113" i n a l l of the oils at corresponding temperatures. The order
I
of' decreasing s o l u b i l i t y f o r "Freon-114B2" i n the lubricants The was as folftows: 50-HB-5100 > XRM-lOgF > OS124 > PR143.
order for Freon-113" was: XRM-109F > 50-IiI3-5100 > OS124 >
I PR143. The data are presented i n Table I.
was the only lubricant which was reasonably PR143 with the two refrigerants and s i x metals a t 500°F. The s t a b l e liquids i n the PR143 t e s t s were clear, though sometimes turned t o an amber color, with tarnish on the metal and a thin, loose, dark f i l m on the glass wall. All of the other lubricants The e i t h e r burst the tubes or turned t o a dark tarry mass.
data are presented i n Tables I1 t o V.
Comments : The s o l u b i l i t i e s were determined bx placing about long.
100 ml of the lubricant i n e 250 F C L ttlbe aEwt 10 The tube was equipped w i t h a sintered glass sparger and a gas o u t l e t .
The apparatus was tared, the o i l weighed and the apparatus was immersed i n an o i l bath a t controlled temperatures. The refrig- erants were fed by gravity from an elevated reservoir, through a control valve, then t o it flash c o i l located i n the bath, a n d the resulting vapor bubbled through the lubricant t o the air.
A t periodic i n t e r v a l s the apparatus was removed from the bath, cooled and weighed. When the weight was constant, the weight of refrigerant dissolved was deterrnlned by difference.
(The small amount of gas remaining i n the vapor was neglected.)
The sealed-tube t e s t s were carried out i n our usual manner except t h a t the refrigerants were introduced as l i q u i d s and the contents were frozen i n N2 before degassing.
A l l of the metal t e s t pieces except the s i l v e r were sugplied by SKF and were segments of cylinders which were 30" of Each segment appeared t o contain about about 1 long.
The pieces appeared t o have &rc of a cylinder 1/2" i n diameter.
been considerably heated during cutting, as judged by the blue I t For this reason, the discolored p a r t s burned" appearance.
were reground t o give fresh clean metal surfaces. The s i l v e r was obtained from the Chambers Works P V I laboratory and was 3 -5 A P P E N D I X I 1 1 ( C o n t . ) . . I 3 ."
I 3-6 Inforrnatlon and auggoatlona In thla roport arm baoad upon our trmta and OXparlanCa, and aro 0ffOrOd wlthout charge a0 part Of our aorvlca t o cumtomarm. They aro intandad for u8a by para on^ having tachnlcal aklll a t thalr own diacratlon and rlak. Slnca condltlona of uao arm outaldo our control, wa cannot guarantor favorablo raaulto and wa aoaurno no Ilablllty In connoct~on wlth urn0 of our roport. Our auggoatlona aro not Intondad a m A IlOmnmO to oparata undar, or a racornrnendatlon t o Infrlnga, any axlating patonta.
with numorala aro Du Pont'a roalatorod tradarnarka for fluorlnatod hydrocarbonm.)
or F- ( * f R C O N and cornblnatlona of PR'CON- OR4024 REV. 8-81 i ' A P P E N D I X I 1 1 ( C o n t . ) TABLE I The Solubility of "F~~eon-ll3" and "Freon- 114B2"
I
i.n Sone Stable Lubricants Weight $ O i l I Ref r.i ge rant -...
Refrigerant I --I OS124 31.0 I 7.2 I!
I Ucon 5 O - H B - 5 l O O 54.9 150 I I 1 11 10.8 250 I?
150 37.5 II 250 11.9 !!
?R- 143 26.1 I ?
5 . 1 23.0 OS124 II 5.2 ll Ucon 5O-HB-5lOO 38.5 150 11 1 1 6.3 It 40.1 XflM- lOgF I f 11
I
8.3 I 1 PR- 143 1 7 . 3 .
I t I I?
250 3.0 3 -7
Section 3
APPENDIX I 1 1 ( C o n t . 1 TABU I1 Seeled-Tube Tests on Mobil XRM-109F
2 M1 XRM-lOgF + 2 Ml Refrigerant -0- Metal
Systems: Conditions: 5 0 0 ' F for 24 hours earance After 24 Hrs.
R e f rige rant Metal
-
Metal
-
Burst
SS 304
I I I1
Inconel X-750 Burst --
"F- 113 'I rrF- l l 4 B 2 " I 1 Tariy Black Burst
A m 355
11 I t
SKF #I% B u r s t
f I Black Tarry Monel 505 I t I 1 I I Black Tarry I F - 113 f 1 S i l v e r I f I I I I
"F- 114B2"
TABU 111
Sealed-Tube Tests on Monaanto OS324
2 M1 Monsanto OS124 + 2 M1 Refrigerant + Metal
Systems:
-
Conditions: 500°F for 24 hourz
A+earence after 24 Hrs.
Ref rigs rant M e tal quid - Metal
Very dark with solids Dark
S6 304
I 1
Burst
I t V e r y dark with solids
Inconel X-750
I1 If I 1 11 I f II I I
V e r y dark with solids
AmIf 355
fI Black
Red Brown Tar Solids Brown
SKF #2 It Tarry I f Dark
Monel 505
I f If V e r y dark with solids I'
Silver
I I I f 11 11 I1 I t 3-8 A P P E N D I X I 1 1 ( C o n t . )
TABU IV
Sealed-Tube T e s t s on Ucon 50-HB-5100
Systems: 2 M l Ucon 50-HB-5100 + 2 Ml Refrigerant + Metal
Conditions: 500°F f o r 2 4 Hours
9pearance After 24 Hrs.
Re f ri ge rant Me tal Liquid Me tal
SS $04 Bugs t --
--
F- 11 3 Inconel X-750
11 I?
F- 114BZ I 1
Am 355
I1 11 1r~-11311 SKF #2 F- 1 2 4 ~ 2 'I 11 T I Monel 505 'IF- 1 ~ 3 ' ~ 11 11 " F- 114B2 'I I' S i l v e r 11 I f TAELl3 V Sealed-Tube Tests on Du Pont PR-143
2 M L Du Pont PR-143 + 2 M l Refrigerant f- Metal
Systems: Conditions: 500°F f o r 24 Hours Appearance After 24 Hrs.
M e tal L i q u i d Refrigerant Metal
Tarnfished Clear - S i . F i l m OF G l p s
SS 304
I f Amber - 11
Clear Amber - Film Bright
113 Inconel X-750
11 tf I?
"F- 114132 " 11 Tarnish S1. Tarnish Clear F- 113 Am 355 I f
V- l i 4 ~ 2 ~ ? 11
'I - Film on Glass
'I F- 11 3 I t SKF # I 2
Clear Brown Tarnish " E ' - 114B2" I 1
I? - Film on Glass Gray Tarnish
Dark Gray Tarnish Clear I'F- 11311 Monel 505 11 I' I' If F- 114B2" 11
- Film on Glass
Clear - Film on Glass S1. Br. Tarnish
"F- 113 f t Silver 11 I1 I1 11 If F- 114B2" f I Brown Tamfsh 3-9 E N C L O S U R E 1 P E R T N E T W O R K OF S S T L U B R I C A T I O N S Y S T E M I N V E S T I G A T I O N WORK COMPLET 3 1 OCT 65
I,.:. I
TASK 111 RECIRC SYS REPORT T" I') L E G E N D STUDY OF y S U S - NETWORU I
>+LQ+%<
EVENT NO S : STARTED C = COMPLETED TE * EVENT EXPECTED T l M E b " , , " , ' , : :E&oN TL ' LATEST ALLOWABLE TIME ~ ~ ~ ~ ~ T l o N Ts = S L A C K T l M E lTL-Tcl 10 O P T I M I S T I C ACTlVlTI TIME ESTIMATE ( I N WEEKS1 1 , : MOST LIKELY . ' *
t p = PESSIMISTIC . - -
1 , =EXPECTED ' ' ' :D TO 1 - .
ENCLOSURE 2 I GENERAL T E S T R I G LAYOUT SCHEMATIC I
v 4
RESE A R C H LAEORATORY S K F I N D U S T R I E S. I N C .
I .
ENCLOSURE 3 - - __ TKST FACILITY - GENKIAL LAYOUT - - . . _.
T
!
i t P r - i f E N C L O S U R E 4 T E S T R I G A S S E M B L Y - T H R U S T A P P L I E D T H R O U G H L O A D B E A R I N G E N C L O S U R E 5 T E S T R I G ASSEMBLY - R E V E R S E D I R E C T I O N P N E U M A T I C L O A D - " - -A .:..
b c J 'f . s :/ .... . .
E N C L O S U R E 6 G E N E R A L V I E W OF R E C I R C U L A T I N G - O I L T E S T C E L L - __ ENCLOSURE 7 CLOSE UP VIEW OF RECIRCULATING O I L T E S T R I G S H O W I N G HOT A I R S U P P L Y TO THE BACK OF THE T E S T SEAL P A I R ENCLOSURE 8 P N E U M A T I C REGULATION OF S H A F T TEMPERATURE
t I
i
I
o
I
I I I
I I I
1 -
r ENCLOSURE 9
O I L MIST T E S T R I G - NITROGEN SUPPLY SYSTEM
i
a
ENCLOSURE 10 OIL WIST QUANTITY SUPPLIED BY MIST G E N E R A T O R Lubricant: Esuo T u r b o O i l 4040 O i l R e s e r v o i r Temperature: 70°F Bearing Cavity P r e s s u r e : Atmosphere !
!
0 B O T H CHOKES 0 PLRA TI N 5 .0053
k -
F
s
w
I ' I
i ENCLOSURE 1 1 REMOTE O I L LEVEL D E T E C T I O N
L
r-
ti
h
- - -
h E N C L O S U R E 1 2 B L O C K D I A G R A M OF A P P A R A T U S F O R SST P R E S S U R E C A L I B R A T I O N t
I
r
D E A D
1 WEIGHT
I I A I R
I TESTER
-- (23- S U P P L Y I
-
P R E S S U R E t G A G E I
m
i
1 6 M COMPUTER ENCLOSURE 13
PRESSURE TRANSMITTER C A L I B R A T I O N - R E C I R C U L A T I N G O I L B I G
HOT A I R ChAMBER I B M P O I N T N O . 275 ENCLOSURE 14
P R E S S U k E TRANSMITTER C A L I B R A T I O N - RECIRCULAT I N G OIL R I G
INTER S E A L C A V I T Y - IBM P O I N T NO. 273
- t
I ---- PRI.:SSUi{i< T i l A N S M I T T E H C A L I B R A T I O N - B 1 I C I H C U L A T I K G O I L R I G T E S T B E . \ H I N G C A V I T Y I B M P O I N T N U . 2 7 4 I
!
I
!
I
I
I
I
I I ENCLOSURE 16
PRESSURE TRANSMITTER CALIBRATION - O I L
MIST R I G HOT AIR CHAMBER IBM POINT NO. 252 W C Y
- 5 I
E N C L O S U R E 17 I - - - -
I ' H i S . 5 l J R ~ ~ T!IANSMITTLR CALIBRATION - O I L M I S T IIIG
-I__-- - - IYTLR SLAL CAVITY I B M P O I N T N C . 259 I : I E N C L O S U R E 18
P R E S S U R E T R A N S M I T T E R C A L I B R A T I O N - O I L MIST R I G
TEST B E A R I N G C A V I T Y IBM P O I N T N O . 251 h
t
h
I
e
0 0 .5 E N C L O S U R E 19 T O R Q U E SENSOR ASSEMBLY K c U u z v) '3 z 3 w?
0 z I -1 a u . d V c z V V 3 3 z E Y a -* u 3 -1 -1 I n C . . . . . . .
N 0 9. L 1 -c f- 3 I E N C L O S U R E 20 TORQUE S E N S O R C A L I B R A T I O N SPOOL N O . 1 I /50 - 6 ‘ .
I
d
Q
R
*
25 --
# E N C L O S U R E 2 1 TEST B E A H I N G T H R U S T LOAD C A L I B R A T I O N
. J
I E N C L O S U R E 2 2 S I X T E E N C H A N N E L M E R C U R Y W E T T E D S L I P R I N G - A S S E M B L Y
Ti
ENCLOSURE 2 3
-
E L E C T R I C A L CONNECTOR P R O B E - A S S E M B L Y E N C L O S U R E 2 4 T E S T S H A F T E L E C T R I C A L E X T E N S I O N T ' J B E r c L ' , I E N C L O S U R E 2 T E S T B E A R I N G D A T A - S E R I E S I D E S I G N ---_ I-
i
E N C L O S U R E 2 6 TEST B E A R I N G DATA - S E R I E S I D E S I G N
-
!
E N C L O S U R E 27 T E S T B E A R I N G D A T A - S E R I E S I 1 D E S I G N ENCLOSURE 2 8
HIGh SPEED l”6USl B E A R I N G - COMPUTER O U T P U I DATA
2 6 O N o m i n a l Mounted C o n t a c t A n a l e g O r i g i n a l D e s i g n M o d i f i e d D e s i g n ( S e r i e s 11) ( S e r i e s I) 1 4 , 0 0 0 1 4 , 0 0 0 S h a f t s p e e d , r p n 3 , 2 8 0 3 , 2 8 0 T h r u s t l o a d , l b s .
C o m p u t e d O p e r a t i n n P a r a m e t e r s : 3 4 . 1 4 4 0 . 2 5 I n n e r r i n g c o n t a c t a n g l e , d e g r e e s 16.61 15.87 O u t e r r i n g c o n t a c t a n g l e , d e g r e e s 1053.
4 4 7 , A x i a l b e a r i n g d e f l e c t i o n , i n . x 2 8 9 .
B a l l c e n t r i f u g a l f o r c e . l b s . 305.
- 0 8 7 7 . 0 6 9 7 Inner s e m i - m a j o r c o n t a c t a x i s , i n .
-0930 . l o 4 1 O u t e r s e m i - m a j o r c o n t a c t a x i s , i n .
255..
2 2 1 . .
N o r m a l i n n e r r i n g b a l l l o a d , l b s .
515.
4 4 8 .
N o r m a l o u t e r r i n g b a l l l o a d , l b s .
1 3 6 . 177.
Maximum i n n e r c o n t a c t s t r e s s . k p s i 1 9 6 .
197, Maximum o u t e r c o n t a c t s t r e s s . k p s i . 5 1 4 .399 S p i n - t o - r o l l r a t i o o n i n n e r 6 5 8 5 . 4 4 1 2 .
C a g e s p e e d , r p m 4 9 5 5 9 .
50896 B a l l r o l l i n g s p e e d , rpm 1 4 . 7 1 4 . 1 B a l l a x i s o r i e n t a t i o n a n g - l e , d e g r e e s
B a l l s p i n t o r q u e o n i n n e r , i n - l b s . - ,513
O u t e r b a l l s p i n t o r q u e p r o j e c t e d o n 1.068 1 . 0 8 4 i n n e r , i n - l b s .
S p i n n i n g h e a t g e n e r a t e d . B t u / h r . 3 1 4 5 .
2 1 9 6 .
T o t a l h e a t g e n e r a t e d , B t u / h r .
18931.
1 8 8 3 4 .
M i n i m u m f r i c t i o n c o e f f i c i e n t re- q u i r e d t o p r e v e n t g y r o s l i p . 0 4 9 . 0 4 1 B e a r i n g l i f e ( L u n d b e r g - P a l m g r e n ) a h o u r s 6 2 4 . 2 4 3 1 . 8 L i f e o f i n n e r r i n g c o n t a c t , h o u r s 1951.8 6 8 6 . 4 L i f e o f o u t e r r i n g c o n t a c t , F o u r s 8 4 8 . 9 9 5 5 . 4 EIiD o i l f i l m t h i c k n e s s o n i n n e r f o r 2 . 5 c s v i s c o s i t y l u b r i c a n t .
10-6 i n . 13.3 13.1 B a l l g y r o s c o p i c moment, i n . - l b s . 1 4 . 2 1 2 . 9 E N C L O S U R E 2 9 EFFECT O F B E A R I N G G R O O V E C O N F O R M I T Y O N B E A R I N G L I F E A N D S P I N TO R O L L R A T I O \ lNTERPOLATlON OF C U R ' / € \ .
FOR OUTER COAlFORiYiTY = . 5 / 6
\
, I I I I I I
-
-51 .52 -53 .54 .55 .56 I N N E R RING CONFCRmiTY E N C L O S U R E 30 T H E D E G R E E O F O U T E R R A C E C O N T R O L S P I N N I N G T O R Q U E R A T I O A S A F U N C T I O N O F I N N E R A N D O U T E R R A C E C O N F O R M I T I E S C o n f o r m i t y = g r o o v e r a d i u s b a l l d i a m e t e r
OUTER = .5/0 /--
CONFORP?!TY 7 /'
/' /"'
/ f" OUTER = .5/62
ENCLOSURE 31 VISCOSITY-TEMPERATURE RELATION F O R CIRCULATING OILS 1 . E S S O 4 0 4 0 MIL-L-7808E 2 . S i n c l a i r Turbo S 1 0 4 8 Improved 3 . Mobil X R M 177F 4 . Monsanto MCS-293 5 . D u P o n t P R 1 4 3 I 200 300 400 500 bo0 700
TEMPERATURE, O F
, , ?
ENCLOSURE 32 VISCOSITY-TEMPERATURE RELATION FOR MIST L U B R I C A T I N G OILS 1 . E s s o Turbo O i l 4040 (MIL-L-7808E) 2 . U n i o n C a r b i d e U C O N 5 0 - H B - 5 1 0 0 3 . Sun O i l S u n t h e t i c 1 8 H 4 . S o c o n y M o b i l X R M 1 7 7 F 5 . H e r c u l e s H e r c o l u b e F
TEMPERATURE - O F
I I ENCLOSURE 33 PROPERTIES OF MONSANTO MCS-293 V i s c o s i t y , D e n s i t y a n d C o m p r e s s i b i l i t y B u l k T e m p e r a t u r e K i n e m a t i c V i s c o s i t y D e n s i t y Modu l u s Q p s i 0 - 1 3 , 0 4 0 - 500,000 7 7 2 5 4 1 0 , 0 0 0 - 1 . 1 9 5 100 38 2 5 . 2 1 . 1 8 4 3 4 0 , 0 0 0 4 . 1 3 - 2 1 0 100 2 8 5 , 0 0 0 300 150 2 . 0 1.101 2 3 0 , 0 0 0 500 2 6 0 0.81 1 . 0 1 7 1 9 0 , 0 0 0 700 370 0 . 4 8 0 . 9 2 6 " S e c a n t , I s o t h e r m a l 0-7,500 p s i r a n g e P o u r p o i n t - 2 0 O F F l a s h p o i n t 445OF F i r e p o i n t 5 4 0 ° F A u t o g e n o u s I g n i t i o n T e m p e r a t u r e 9 4 0 ° F K y d e r G e a r S c u f f T S - a t ? 6 7 O F 3 0 2 0 p p l ( a v e r a g e ) a t 4 0 0 OF 1350 p p i ( a v e r a g e ) E v a p o r a t i o n L o s s 5 0 0 ° F a t 760mm 5 0 . 7 % ( a v e r a g e ) 5 0 0 ° F a t 140mm 61.0% ( a v e r a g e ) O x i d a t i o n - C o r r o s i o n T e s t ( M o d i f i e d F S 7 9 1 , M e t h o d 5 3 0 8 . 2 ; 4 8 h o u r s a t t e m p e r a t u r e SL/W a i r f l o w ) T e m p e r a t u r e 5 0 0 ° F 600 OF W e i g h t c h a n g e o f m e t a l s (mg/cm2) i r o n + 0 . 0 4 + O . 2 3 - 3 . 9 7 -8.37 c o p p e r s i l v e r - 0 . 7 1 -1.37 + 4 2 . 3 % C h a n g e o f V i s c o s i t y a t 6 . 5 O F + 6 . 5 % + 2 0 . 8 % a t 2 1 0 ° F + 4 . 4 % N e u t r a l i z a t i o n Number I n i t i a l 0.01 0 . 0 1 F i n a l 0 . 1 0 0 . 1 5 t ENCLOSURE 3 4 G E N E R A L PROPERTIES OF HERCOLUBE F K i n e m a t i c v i s c o s i t y , c s 3 8 , 0 0 0 - 4 0 ° F I lOOOF 2 1 0 ° F 8 . 7 -60 I P o u r P o i n t , O F 5 50
I F l a s h P o i n t , OF
F l a m e P o i n t , OF 6 2 0 I A u t o g e n o u s I g n i t i o n P o i n t , OF I E v a p o r a t i o n l o s s , 6& h r s . a t 4 0 0 ° F , % , 1.013 S p e c i f i c g a v i t y a t 6 0 / 6 0 ° F 8.50 l b s . p e r g a l l o n a t 6 0 ° F
i
I S a p o n i f i c a t i o n Number 0 . 1 A c i d N u m b e r , max.
H y d r o x y l , max. % 0 . 2 A s h , m a x . ppm I , T - 9 2 4 0 1 0 T h i s r i g h a s b e e n c o n s t r u c t e d t o s t u d y t h e f e a s i b i l i t y o f o i l - m i s t l u b r i c a t i o n u n d e r h i g h p r e s s u r e a n d h i g h t e m p e r a t u r e c o n d i t i o n s .
c cn .r( E k m c , c, c a , . d d k m e Q O E d .d f a , 0 5 I h h Y d d k m .4 .4 n 0 0 0 0 0 0 0 9 9 9 cv c v c u m m m \ \ \ m m m k a 0 0 0 . 0 . 0 . 0 . c o 0 . 0 v l k Q d rl Q P E k Q , h , c 3 0 0 0 0 0 0 0 0 0 . d S Q , O m 0 0 0 0 hl c v c v
O W 2 b Y :: :: m c v c v
d In I m X I c r , o r - v ) r - rl , C I o a 2 o m 3 x E N C L O S U R E 37 D E P O S I T F O R M A T I O N O N 6 0 0 0 F S T A T I C B E A R I N G R I N G S E X P O S E D T O S U N T H E T I C 1 8 H I N OIL MIST FORM F O R 30 M I N U T E S E N C L O S U R E 38 P O W E R C O N S U M P T I O N C U R V E S FROM I N P U T T O 5 0 H P D R I V E M O T O R v- --.
ENCLOSURE 39 LUBRICATION D I S T R E S S IN O I L MIST T E S T BEARING COMPONENTS AFTER R U N N I N G 6 . 8 H O U R S AT 6000 RPM, 1000 LBS THRUST ( O I L MIST LUBRICANT S U P P L Y CUT OFF AFTER 3 . 8 H O U R S ) O u t e r R i n g L o a d e d U n l o a d e d I n n e r R i n g s T y p i c a l B a l l C a g e P o c k e t E N C L O S U R E 4 0 N E T T H R U S T O N T E S T B E A R I N G AS A F U N C T I O N OF B E A R I N G C A V I T Y P R E S S U R E m " T H R U S T
TEST REQ UI RE M ENT
Y'
!
p3 CAVITY PRESSURE ( P s i )
100 P S I PRESSURE DIFFEREPJTIAL MAINTAINED
ACROSS TEST S E A L S
, E N C L O S U R E 4 1 4 5 9 9 8 1 A T E S T B E A R I N G A F T E R 8 H O U R R U N U P T O F U L L S P E E D A N D L O A D I N R E C I R C U L A T I N G R I G L U B R I C A N T : E s s o T u r b o O i l 4 0 4 0 U n h e a t e d A I R T E M P E R A T U R E : 400'F E N C L O S U R E 4 2 O I L S I D E T E S T S E A L A F T E R 8 HOUR RUN U P TO F U L L S P E E D A N D L O A D IN R E C I R C U L A T I N G R I G