Gear Noise and Vibration Episode 2 Part 7 potx
Gear Noise and Vibration Episode 2 Part 7 potx
... ml
500000
25 0000
130000
64000
320 00
16000
8000
4000
20 00
1000
500
25 0
130
64
32
to
to
to
to
to
to
to
to
to
to
to
to
to
to
to
1000000
500000
25 0000
130000
64000
320 00
16000
8000
4000
20 00
1000
500
25 0
130
64
Group
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
Bearing ... loaded
gear.
The
particle counts
are
classified into groups according
to ISO
4406
and
the fig...
Gear Noise and Vibration Episode 2 Part 7 potx
... the
particle count over
2 urn and is not of
interest
for
gearboxes.
26 0
Chapter
16
Fig
16. 12 Sketch
of
vibration responses
and
paths.
In
practice, because measuring inside
the
gearbox
... ml
500000
25 0000
130000
64000
320 00
16000
8000
4000
20 00
1000
500
25 0
130
64
32
to
to
to
to
to
to
to
to
to
to
to
to
to
to
to
1000000
500000
25 0000
130000
64000
320 00
1...
Gear Noise and Vibration Episode 2 Part 5 potx
... (brl*psil
-
brl*tan(phi2))/(pi*cos(phio));
r2
=
(br2*psi2
-
br2*tan(phi2))/(pi*cos(phio));
conratio
= rl + r2;
disp(
f
angle
rl r2
contact
ratio')
disp([
phi2
rl r2
conratio
])
phi3
... S.L.
and
Munro, R.G.,
'Dynamic
behaviour
of
spur
gears.'
Proc.
Inst.
Mech. Eng., Vol. 178 , 1963-64, Part
I, pp
20 7 -22 6.
Leming,
J. C.,
'High
contact ra...
Gear Noise and Vibration Episode 2 Part 8 potx
... 181
Damping
assumptions,
75
increasing,
179
levels,
72
too
high,
72
tooth,
74
Debris
detection,
24 1 , 27 4
groups,
27 5
scratching,
27 6
Decoupling inertia,
1 92
Dipole,
170
Dirac impulse,
25 0
Distortions, gears,
... contact ratio
gears
curvature,
22 7
frequencies, 22 9
reasons,
22 3
shapes,
22 4
tip
relief,
22 6
tip
stresses,
22 7
Marker
magnet...
Gear Noise and Vibration Episode 1 Part 7 pps
... parameters
Dia.
mm
Mass
kg
170
2. 8
20 0
3.3
110
0 .7
110
0.8
58
0 .25
58
0 .25
36.5
0.1
36.5
0.1
Shaft
type
Solid
14
<j>
60 mm
bore
Solid
10<t>
20 mm
bore
12
mm
bore
Solid
10<j>
Solid
4<J>
6 ... on
Gear Noise
and
Vibration,
I.
Mech.
E.,
April 1990,
p 3.
2.
Heidenhain
Ltd.,
20 0
London Rd., Burgess
Hill,
Sussex,
RH15
9RD,
U.K.
or 11...
Gear Noise and Vibration Episode 1 Part 7 pot
... of the
Theory
and
Measurement
of
Gear
Transmission
Error.'
Int. Conference
on
Gear Noise
and
Vibration,
I.
Mech.
E.,
April 1990,
p 3.
2.
Heidenhain
Ltd.,
20 0
London Rd., ... MHz
TTL
300kHz
TTL
300 kHz
TTL
300kHz
TTL
300kHz
Name
ROD
800
RON
886
ROD
26 0
ROD 22 5
ERN
420
ROD
420
ROD
1 020
ERN
1 020
Encoder
price
is
roughly proportional
to
w...
Gear Noise and Vibration Episode 2 Part 1 ppsx
... 0 .2%
of a rev
(0. 72
). If we
have
50
teeth
on the
gear
and are
primarily interested
in
1/tooth
(and harmonics)
noise then
a 1%
variation
in
speed between
one
revolution
and
... non-synchronous, intermittent, random,
or
irregular vibration will behave like random vibration
and
average
to
zero.
Even
powerful
vibration such
as
engine inertia
and...
Gear Noise and Vibration Episode 2 Part 1 docx
... 0 .2%
of a rev
(0. 72
). If we
have
50
teeth
on the
gear
and are
primarily interested
in
1/tooth
(and harmonics)
noise then
a 1%
variation
in
speed between
one
revolution
and
... non-synchronous, intermittent, random,
or
irregular vibration will behave like random vibration
and
average
to
zero.
Even
powerful
vibration such
as
engine inertia
and...
Gear Noise and Vibration Episode 2 Part 2 pptx
... as 2
jim
rms the
expected
value
of a low
harmonic
will
be as
high
as
2V (2/ 32)
which
is 0.5
urn
rms or
1.4
um
p-p.
2. 5
V-1.5
10
20 30 40 50
harmonics
of
1/rev
60 70
Fig
9 .20 ... car
gearbox
may
require loaded T.E.
to be
less than
3
um
in
5th,
5 um in
4th,
2
urn
in 3rd
(because
of a
particular
difficult
resonance),
7 um in 2nd and 12 um in...
Gear Noise and Vibration Episode 2 Part 2 ppt
... as 2
jim
rms the
expected
value
of a low
harmonic
will
be as
high
as
2V (2/ 32)
which
is 0.5
urn
rms or
1.4
um
p-p.
2. 5
V-1.5
10
20 30 40 50
harmonics
of
1/rev
60 70
Fig
9 .20 ... car
gearbox
may
require loaded T.E.
to be
less than
3
um
in
5th,
5 um in
4th,
2
urn
in 3rd
(because
of a
particular
difficult
resonance),
7 um in 2nd and 12 um in...
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