Gear Noise and Vibration Episode 1 Part 6 docx
Gear Noise and Vibration Episode 1 Part 6 docx
... frequency.
B
2/tooth
3/tooth
frequency
Fig 6. 6
Sketch
of
responses
to
T.E. excitation
as
tooth
frequency
varies.
Measurements
81
200
pF
F303-99 36
20
mV/pC
or
10 1
mV/pC
1
ms
int. time
10
nF
0.33
\\-\
10 0
kQ
accel
vel
Fig ... Kennedy,
C. and
Pancu, C.D.P., Journal
of
Aeronautical Sciences,
14 ,
19 47.
p
60 3.
4.
Ewins,
D.J., Modal testing theory
and...
Gear Noise and Vibration Episode 1 Part 6 pps
... car
engine
and
gearbox,
the
supports
to
take
the
torque
reaction
may be
spaced
1 m
apart
and at a
full
engine torque
of 200 N
m
with
4 :1
first
gear ratio
and
3.75 :1
final
... internal
and
external resonances
by
measuring
the
bearing
vibrations
and the
noise simultaneously. This gives T.E.
to
bearing vibration
as
well
as
bearing vibration...
Gear Noise and Vibration Episode 1 Part 4 docx
... 53
00000
00000
00000
00020
00050
00 060
00080
00090
0 0 0 11 0
0 0 0 13 0
0 0 0 14 0
0 0 0 16 0
0 0 0 13 0
0 0 0 11 0
00080
00050
00030
0 010 0
00700
0 0 12 0 0
0 0 18 0 0
0 0 24 0 0
0 0 30 0 0
0 0 35 0 0
0 0 37 0 0
Fig
4 .11
... of
helical
gears.
The x
direction
is the
axial direction
and y is
along
the
pressure
plane
in the
direction
of
motion
of the
contact poi...
Gear Noise and Vibration Episode 1 Part 5 docx
... pt
slicew=facew/ 21
;tanbhelx=0 .18 ;tthst
=
1, 4e
10
;
%
standard value
relst=strelief*bpitch;tthdamp
=
Ie5;
%
eff.value
at
10 000
rad/s
Q
=
14 ++
ss
=
(1: 21
);hor
=
ones(
1, 21) ;
%
21
... =
Ie5;
%
eff.value
at
10 000
rad/s
Q =
14 +++
ss =
(1: 21
);hor
=
ones(
1, 21) ;
%
21
slices
across
face
width line
17
x
= ss -
11
*hor;
%...
Gear Noise and Vibration Episode 2 Part 6 docx
... a
spurious vibration registered
by the
accelerometer
after
the
hammer head
has
lost contact
with
the
target.
242
Chapter
15
S3
1
1
1
1
1
1
1
1
1
1
time
1
revolution
Fig
15 .5 Expected ... in
Fig. 16 .3
and
then
add the
results
and the
estimates
of the
tooth
effects
as
discussed
in
section 16 .6.
16 .2 Hydraulic
vibrators
As
electromagnetic vib...
Gear Noise and Vibration Episode 1 Part 1 potx
... changing
17 8
10 .7 Damping
17 9
10 .8
Production control options
18 1
References
18 3
11 .
Lightly Loaded Gears
18 5
11 .1
Measurement problems
18 5
11 .2
Effects
and
identification
18 7
11 .3
Simple ... 16 7
10 .1
Economics
16 7
10 .2
Improving
the
structure
16 9
10 .3 Improving
the
isolation
17 1
10 .4
Reducing
the
T.E.
17 4
10 .5
Permiss...
Gear Noise and Vibration Episode 1 Part 1 ppt
... changing
17 8
10 .7 Damping
17 9
10 .8
Production control options
18 1
References
18 3
11 .
Lightly Loaded Gears
18 5
11 .1
Measurement problems
18 5
11 .2
Effects
and
identification
18 7
11 .3
Simple ... 16 7
10 .1
Economics
16 7
10 .2
Improving
the
structure
16 9
10 .3 Improving
the
isolation
17 1
10 .4
Reducing
the
T.E.
17 4
10 .5
Permiss...
Gear Noise and Vibration Episode 1 Part 2 ppt
... Mech.
Eng.,
Vol
17 2, 19 58,
pp
87 -11 2.
4.
Gregory,
R.W.,
Harris, S.L.
and
Munro,
R.G.,
'Dynamic
behaviour
of
spur
gears.'
Proc.
Inst. Mech.
Eng.,
Vol
17 8,
19 63 -64 ,
Part
I, ... Unwrapping string model.
Causes
of
Noise
11
Ohio State University
[13 ]
and
other researchers [14 ,
15 ,
16 ]
have developed
their
own
T.E. equipment
and...
Gear Noise and Vibration Episode 1 Part 2 pptx
... additional
buttressing
at the
other end.
13
Causes
of
Noise
11
Ohio State University
[13 ]
and
other researchers [14 ,
15 ,
16 ]
have developed
their
own
T.E. equipment
and are
usually happy
to
... Mech.
Eng.,
Vol
17 2, 19 58,
pp
87 -11 2.
4.
Gregory,
R.W.,
Harris, S.L.
and
Munro,
R.G.,
'Dynamic
behaviour
of
spur
gears.'
Proc.
Inst. Mech...
Gear Noise and Vibration Episode 1 Part 3 pptx
... attainable.
References
1.
Gregory,
R.W.,
Harris, S.L.
and
Munro,
R.G.,
'Dynamic
behaviour
of
spur
gears.'
Proc.
Inst.
Mech. Eng.,
Vol
17 8, 19 63 -64 , Part
I, pp
207-2 26.
2.
Maag Gear Handbook ... Vaishya,
M, and
Sorensen,
J.D.
'Vibro-acoustic
effects
of
friction
in
gears:
an
experimental
investigation.
1
A.S.M.E.,
paper
20 01- 01- 1...
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