Friction and Lubrication in Mechanical Design Episode 2 Part 9 pptx
Friction and Lubrication in Mechanical Design Episode 2 Part 9 pptx
...
Surface finishing rms roughness
0
Slope of the roughness
process (clin.) profile
1
Fine grinding 2. 74
2
Rough grinding
21 .5
3
Lapping
3. 92
4 Polishing 1.70
5
Shot peening
45 .9
0.01471 ... stiffness, and
damping coefficient of the vibrating system by summing the inertia, damp-
ing, and restoring forces at each increment of the friction- induced cycle. In
197...
Friction and Lubrication in Mechanical Design Episode 2 Part 9 pps
... conditions are given in Table 11 .2.
Figure
11,s
Contact
model.
4 52
Chapter
II
8.
9.
10.
1
I.
12.
13.
14.
15.
16.
17.
18.
19.
20 .
21
22 .
23 .
24 .
25 .
Symmons, G., and McNulty, ...
constant
4 32
Chapter
11
Table
1
1 .2
Roughness Conditions
Surface finishing rms roughness
0
Slope of the roughness
process (clin.) profile
1
Fine grinding 2....
Friction and Lubrication in Mechanical Design Episode 2 Part 1 potx
...
(N/m2)
x
106
(N/m2)
1
2
3
4
5
6
7
8
9
10
11
12
13
0. 025
1
0.0361
0. 025
1
0.036
1
0. 025
1
0.036
1
0 .2 198
0 .2 198
0 .2 198
0.031
I
0.031
1
0 .26 49
0 .26 49
3. 72 ... ASME J. Tribol., 198 7, pp. 2- 20.
196 5- 196 6,
Vol.
180, Pt 3K, pp. 90 -96 .
194 8, Vol. A 197 , pp. 20 1 -21 6.
Design
of
Fluid Film Bearings
24 5
Slider Velo...
Friction and Lubrication in Mechanical Design Episode 2 Part 1 docx
... 95 -1 02.
Vol. 199 (C2), pp. 103-1
11.
29 8-307.
Vol. 2, pp. 52- 58.
196 8, pp. 23 3 -23 9.
Design
of
Fluid Film Bearings
24 7
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20 . ...
(N/m2)
x
106
(N/m2)
1
2
3
4
5
6
7
8
9
10
11
12
13
0. 025
1
0.0361
0. 025
1
0.036
1
0. 025
1
0.036
1
0 .2 198
0 .2 198
0 .2 198
0.031
I...
Friction and Lubrication in Mechanical Design Episode 2 Part 2 docx
... 1 89, 406 ,28 4,1 09, and 378,8 12 N/m;
the slide/roll ratios were
0,0.08,0.154,0 .22 2,0.345;
the rolling speeds varied
from 0.3 to 2. 76
m/s,
and the sliding speeds were in the range
0
to 0 .95 m/s. ...
1 .22 ,
k
=
0. 026 .
Drozdov and Gavrikov
[
171
investigated friction and scoring under
conditions of simultaneous rolling and sliding with a roller test mach...
Friction and Lubrication in Mechanical Design Episode 2 Part 2 doc
... 1 89, 406 ,28 4,1 09, and 378,8 12 N/m;
the slide/roll ratios were
0,0.08,0.154,0 .22 2,0.345;
the rolling speeds varied
from 0.3 to 2. 76
m/s,
and the sliding speeds were in the range
0
to 0 .95 m/s. ...
1 .22 ,
k
=
0. 026 .
Drozdov and Gavrikov
[
171
investigated friction and scoring under
conditions of simultaneous rolling and sliding with a roller test mach...
Friction and Lubrication in Mechanical Design Episode 2 Part 3 docx
...
=
27 3.16
+
"C, ml and m2 are kinematic viscosity in centi-
&I*
cc 19
Pcl9
&I*
K2
9
c2
*
P2
*
E2
are replaced by
Kc2
*
cc2
*
Pc2
,
Ec2
*
D
=
01.
D
=
02. ... (12pin.),
W
=
378,812N/m (21 601bf /in. ), 10W30
oil,
U1
=
3 .2 m/sec ( 126 in. /sec),
R
=
0. 023 4 m (0. 92 in. ).
Figure 7.38 shows calculated coefficient of friction ve...
Friction and Lubrication in Mechanical Design Episode 2 Part 4 ppsx
... alloys
Invar “36”
annealed
H,M,80
annealed
Monel
C
27 0
29 6
22 4
25 2
27 0
27 0
22 4
29 6
I 99
468
27 0
397
3 59
160
I80
384
27 6
24 2
26 0
22 0
21 6
746
22 0
22 6
26 2
340
27 0
29 6 ... steel
2
7.0 rnin
7.5 min
7.0-7.5
ASTM B2 02- 58T
ASTM B255-61T
5.8-6 .2
-
20 %
115
17 .9
199 31
171 35
I66 27
60.7 8
117
15
96 .8
15
124 .5 1...
Friction and Lubrication in Mechanical Design Episode 2 Part 4 ppsx
... alloys
Invar “36”
annealed
H,M,80
annealed
Monel
C
27 0
29 6
22 4
25 2
27 0
27 0
22 4
29 6
I 99
468
27 0
397
3 59
160
I80
384
27 6
24 2
26 0
22 0
21 6
746
22 0
22 6
26 2
340
27 0
29 6 ...
0 .27
0.54
0 .27
0 .20
0.70
0 .20
0 .22
0.54
0. 19
0 .20
0.78
0 .20 0 .23
0.54
0.13
0 .20 0. 72
0 .20
0.18
0.54
0.16
Brass
vs.
steel
1045
Dry...
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