Handbook of Lubrication Episode 2 Part 4 ppt
Handbook of Lubrication Episode 2 Part 4 ppt
... elastic support
43 4 CRC Handbook of Lubrication
Copyright © 1983 CRC Press LLC
42 8 CRC Handbook of Lubrication
β =
40 ° (0.70 rad)
γ
r
= 0 (no radial tilt)
R
2
= 5.50 in.
γ
θ
= 5. 82 × 10
4
rad (0.0333°)
R
1
= ... calculated as
W = 0.058 × 6 × 2 × 10
–6
× 3 14( 5.50 – 2. 75)
4
/0.0 02)
2
= 3 125 lb
h
min
/h
c
= 0 .45 ; h
min
= 0 .45 × 0.0 02 = 0.00090 in.
Hh
c...
Handbook of Lubrication Episode 2 Part 3 ppt
... element
replacement when system operating. Normally below 50 µm.
395 -41 1 4/ 10/06 4: 54 PM Page 4 02
Copyright © 1983 CRC Press LLC
42 2 CRC Handbook of Lubrication
Table 3 (continued)
JOURNAL BEARING PERFORMANCE ... methods of control.
Spring-loaded relief valve — Provides coarse control and is sensitive to viscosity changes.
Generally used on smaller, simple systems.
40 4...
Handbook of Lubrication Episode 2 Part 3 ppt
... system operating. Normally below 50 µm.
395 -41 1 4/ 10/06 4: 54 PM Page 4 02
Copyright © 1983 CRC Press LLC
Design Principles
395 -41 1 4/ 10/06 4: 55 PM Page 41 1
Copyright © 1983 CRC Press LLC
Radiator— ... simple systems.
40 4 CRC Handbook of Lubrication
395 -41 1 4/ 10/06 4: 54 PM Page 40 4
Copyright © 1983 CRC Press LLC
42 2 CRC Handbook of Lubrication
Table 3...
Handbook of Lubrication Episode 2 Part 4 pps
... CRC Handbook of Lubrication
From which the power loss per sector is
H = 3. 04 × 2 × 10
–6
× (3 14)
2
(2. 75)
4
/0.0 02 = 1.70 × 10
4
lb in./sec (2. 58 hp)
FIGURE 18. Tangential location of center -of- pressure ...
/P = 1.8 × 10
–6
× 40 × (10/0. 020 )
2
/20 0 = 0.090
Minimumfilmthickness— Entering Figure 24 with S = 0.090 and Re = 21 60:
h
n
/C = 0 .44
h
n
= 0 .44 × ....
Handbook of Lubrication Episode 2 Part 5 pptx
... losing the press at
47 4 CRC Handbook of Lubrication
FIGURE 5. Sleeve-type half bearings.
46 3 -47 6 4/ 6/06 7:17 PM Page 47 4
Copyright © 1983 CRC Press LLC
⑀
°
max
= ⑀
°
max
/C′ = 1 .23 61 (For five-pad ... leaded iron.
4 72 CRC Handbook of Lubrication
46 3 -47 6 4/ 6/06 7:17 PM Page 4 72
Copyright © 1983 CRC Press LLC
PLASTIC AND OTHER NONMETALLIC BEARING MATERIALS...
Handbook of Lubrication Episode 2 Part 5 ppt
... Park, Ohio, 1 949 , 150.
6. Roach, A. E., and Goodzeit, C. L., Why bearings seize, Gen. Motors Eng. J., 2( 5), 25 , 1955.
47 6 CRC Handbook of Lubrication
46 3 -47 6 4/ 6/06 7:17 PM Page 47 6
Copyright ... copper, and leaded iron.
4 72 CRC Handbook of Lubrication
46 3 -47 6 4/ 6/06 7:17 PM Page 4 72
Copyright © 1983 CRC Press LLC
antimony additions to increase hardne...
Handbook of Lubrication Episode 2 Part 7 pptx
... 1 .4 instead of 1.8, and where
(10)
for C in pounds and Din inches. (To obtain C in N when D is in millimeters, replace 3050
with 40 .1 for D 25 .4 mm and with 146 .2 for D > 25 .4 mm.)
For radial ... 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,
5 24 CRC Handbook...
Handbook of Lubrication Episode 2 Part 8 pptx
... most
effective when meshing with hardened steel gears. They offer quiet operation, abrasion
5 42 CRC Handbook of Lubrication
539-5 64 4/10/06 5: 02 PM Page 5 42
Copyright © 1983 CRC Press LLC
Volume II 533
Table ... 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....
Handbook of Lubrication Episode 2 Part 10 ppt
... also apply to
circumferential seals.
12
FIGURE 12. Two-piece rod seal.
581- 622 4/ 10/06 6: 02 PM Page 5 94
Copyright © 1983 CRC Press LLC
588CRC Handbook of Lubrication
FIGURE 8. Internal pumping ... and 121 °C (25 0°F) oil,
44 8 .2 kPa (65 psi), wear life in excess of 600 hr with leakage of 3.5 × 10
4
m
3
/sec (0.75
standard ft
3
/min), and radial unbalance force of 30...
Handbook of Lubrication Episode 2 Part 11 ppt
... experiments on the turbulent viscoseal,
ASLE Trans., 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 ... 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 Automotive Engin...