Handbook of Lubrication Episode 2 Part 11 ppt
Handbook of Lubrication Episode 2 Part 11 ppt
... 13(4), 311, 1970.
622 CRC Handbook of Lubrication
581- 622 4/10/06 6:03 PM Page 622
Copyright © 1983 CRC Press LLC
In many cases, material selection is complicated by wear resulting from a number of
mechanisms. ... Society of Automotive Engineers, Warrendale,
Pa.
26 . SAE, Gland Design, Aerospace Recommended Practices ARP 123 1; ARP 123 2; ARP 123 3; and ARP 123 4,
Society of A...
Handbook of Lubrication Episode 1 Part 11 pptx
... numbersMinMax
21 .9 82. 42
32. 883. 52
54.145.06
76. 127 .48
109.0 011. 0
1513.516.5
22 19. 824 .2
322 8.835 .2
4641.450.6
6861 .27 4.8
10090. 0110
150135165
22 019 824 2
320 28 825 2
460414506
6806 127 48
1,0009001,100
1,5001,3501,650
original ... (orig.) ~28 0 NA ~22 0 NA
DEHS (HMW) 27 7 7.19 21 9 13.69
MLO 7558 (HMW) 27 8 11. 65 22 5 17. 62
MLO 721 9 (HMW) 27 5 48.47 22 3...
Handbook of Lubrication Episode 2 Part 3 ppt
... which
gives:
ΔΤ ϭ H/[
ρ
c(Q Ϫ Q
s
/2) ] (1)
For typical petroleum oils, ρc = 1 12 lb
F
/in.
2
F (139 N/cm
2
C) and for water ρc = 327
lb
F
/in.
2
F (406 N/cm
2
C).
Rather than assuming a uniform ... into a set of pie-shaped segments, circumferential
length of each sector at its mean radium (R
mean
) is commonly set approximately equal to the
426 CRC Handbook of Lubricatio...
Handbook of Lubrication Episode 2 Part 3 ppt
... which
gives:
ΔΤ ϭ H/[
ρ
c(Q Ϫ Q
s
/2) ] (1)
For typical petroleum oils, ρc = 1 12 lb
F
/in.
2
F (139 N/cm
2
C) and for water ρc = 327
lb
F
/in.
2
F (406 N/cm
2
C).
Rather than assuming a uniform ... into a set of pie-shaped segments, circumferential
length of each sector at its mean radium (R
mean
) is commonly set approximately equal to the
426 CRC Handbook of Lubricatio...
Handbook of Lubrication Episode 2 Part 4 ppt
... sec
2
/in.
4
= µ/
ρ
= 2. 32 × 10
2
in.
2
/sec
Calculating the Reynolds and bearing characteristic numbers:
Re = R
ω
C/ = 10 × 25 1 × 0. 020 /2. 32 × 10
2
= 21 60 (turbulent)
S = µN (R/C)
2
/P ... CRC Handbook of Lubrication
Copyright © 1983 CRC Press LLC
428 CRC Handbook of Lubrication
β =
40° (0.70 rad)
γ
r
= 0 (no radial tilt)
R
2
= 5.50 in.
γ
θ
= 5. 8...
Handbook of Lubrication Episode 2 Part 5 pptx
... McGraw-Hill, New York, 1957.
29 . Raimondi, A. A., A theoretical study of the effect of offset loads on the performance of a 120 ° partial
journal bearing, ASLE Trans., 2, 147, 1959.
30. Raimondi, ... tangential slope of pad, rad
ω = 2 N = Rotation speed, rad/séc
ξ = 2( R/C)
3
μNL, lb/in.
( )
i
= Quantity evaluated at inlet
460CRC Handbook of Lubrication
FIGURE 52. Effect...
Handbook of Lubrication Episode 2 Part 5 ppt
... McGraw-Hill, New York, 1957.
29 . Raimondi, A. A., A theoretical study of the effect of offset loads on the performance of a 120 ° partial
journal bearing, ASLE Trans., 2, 147, 1959.
30. Raimondi, ... tangential slope of pad, rad
ω = 2 N = Rotation speed, rad/séc
ξ = 2( R/C)
3
μNL, lb/in.
( )
i
= Quantity evaluated at inlet
460CRC Handbook of Lubrication
FIGURE 52. Effect...
Handbook of Lubrication Episode 2 Part 7 pptx
... Λ, the ratio of EHD film thickness to composite surface roughness,
has come into use to define the state of lubrication. Composite surface roughness, in turn,
524 CRC Handbook of Lubrication
Copyright ... determining overall performance.
19 -22
Partial film — In this transition regime the load is supported partially by an EHL film
and partially by intimate contact of the rollin...
Handbook of Lubrication Episode 2 Part 8 pptx
... 13,
24 1, 1970.
25 . Hamrock, B. J. and Dowson, D., Isothermal elastohydrodynamic lubrication of point contacts. III. Fully
flooded results, ASME Trans. J. Lubr. Techno., 99 (2) , 26 4, 1977.
26 . ... most
effective when meshing with hardened steel gears. They offer quiet operation, abrasion
5 42 CRC Handbook of Lubrication
539-564 4/10/06 5: 02 PM Page 5 42
Copyright © 1983...
Handbook of Lubrication Episode 2 Part 10 ppt
... in Figures 10 and 11 also apply to
circumferential seals.
12
FIGURE 12. Two-piece rod seal.
581- 622 4/10/06 6: 02 PM Page 594
Copyright © 1983 CRC Press LLC
588CRC Handbook of Lubrication
FIGURE ... (Figures 2d, 2e, and 2f) avoid rotation of the spring assembly and
are therefore often preferred for higher speeds. Better tolerances and finishes are required
Volume II 581
581- 62...
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