both input and output devices list
Mechanisms and Mechanical Devices Sourcebook - Chapter 3
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... diame-
ters that will impart a transport motion to a mechanism. The gear and
link mechanism imparts both the forward motion and the raising and
lowering motions. The gear shafts are supported in the frame ... range from those that keep both of the operator’s hands
occupied on controls away from the work area to shields that completely enclose the
work in progress on the machine and prevent machine operation ... breaks
while the machine is running, the unsupported idler carrier falls to
the base of the standard, and when the standard arrives at the sta-
tion in the raceway adjacent to the cam C, the lug L on the...
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Mechanisms and Mechanical Devices Sourcebook - Chapter 4
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... near standstill.
In the disengaged position, the angu-
lar velocity ratio between the output and
input shafts (the “gear” ratio) is entirely
dependent upon the design angles
α
and
β and independent ... rotary
motion to reciprocating motion. Both
input and output shafts are in line with
each other. The right half of the device is a
three-dimensional reciprocator. Rotating
the input crank causes its link ... the output gear. Thus,
it can complete its circuit faster than the output gear
when both are in mesh. In the left diagram, the actu-
ating tooth of the input gear, tooth 1, strikes that of
the output...
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Mechanisms and Mechanical Devices Sourcebook - Chapter 5
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... The input
then drives the output with the bevel
gears. Rotating the adjusting shaft in a
plane at right angles to the input- output
line changes the relative radial position
of the input and output ... 138
134
TWELVE EXPANDING AND CONTRACTING DEVICES
Parallel bars, telescoping slides, and other devices
that can spark answers to many design problems.
Fig. 1
Figs. 1 and 2 Expanding grilles are ... continuous
rotary input motion into an output that oscillates the shaft back
and forth.
Sclater Chapter 5 5/3/01 11:47 AM Page 170
inputs, and z is the output. The motion of x and y in the same...
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Mechanisms and Mechanical Devices Sourcebook - Chapter 6
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... ARRANGEMENTS
Differential, duplex, and other types of
screws can provide slow and fast feeds,
minute adjustments, and strong clamping action.
Rapid and slow feed. With left- and right-hand
threads, slide motion ... and neg-
ligible hysteresis characteristics. The
bearing is radiation-resistant and can be
used in high vacuum conditions or in
environments where there is dirt and
contamination.
185
TAUT BANDS ... and
drives a dowel pin for locking purposes. A right- and
left-handed shaft (C) actuates a press.
Sclater Chapter 6 5/3/01 12:25 PM Page 192
Do you need a buffer between vibrating
machinery and...
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Mechanisms and Mechanical Devices Sourcebook - Chapter 7
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... magnetic signal amplification. A rotating input avoids a lin-
ear input and output of the simple windlass. Control and output ends of the mul-
titurn bands are both connected to gears mounted concentrically ... maximum output speed
will be 1200 = 3984 rpm, and the
minimum output speed = 3984/11 = 362
rpm.
Double-reduction system (Fig. 3).
Solid sheaves are on both the input and
output shafts, but both ... easily
achieved, but torque and horsepower
characteristics depend on the location of
the variable-diameter sheave.
Fixed-distance system (Fig. 2).
Variable-pitch sheaves on both input and
output shafts maintain...
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Mechanisms and Mechanical Devices Sourcebook - Chapter 8
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... motor com-
parable in size and power to those used in
standard reel-to-reel recorders, and a
large bi-peripheral flywheel and sturdy
capstan that reduces wow and flutter and
drives the tape. A patent ... balance between
transmitted torque and operating life.
Input and output functions always
rotate in the same direction, irrespective
of the number of bearings, and different
results can be achieved ... as 300-to-1 in a space
1
⁄
2
-in. dia. by
1
⁄
2
-in. long.
And at the same time the bearings run
quietly, with both the input and output
shafts rotating on the same line.
The interest in ball...
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Mechanisms and Mechanical Devices Sourcebook - Chapter 9
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... clutch, on the other hand, is a three-member unit
with rotating input and output members and a stationary coil
housing. It eliminates the need for brushes and slip rings, but it
demands additional ... Page 317
336
LINKAGES FOR BAND CLUTCHES
AND BRAKES
Fig. 1 An outside band
clutch operated by a roller
and cone.
Fig. 2 An outside band
clutch made as two half
wrap bands with an interme-
diate ... faster.
Edges of the clutch bands carry the
entire load, and there is also a compound
action of one band upon another. As the
torque builds up, each band pushes down
on the band beneath it, so each...
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Mechanisms and Mechanical Devices Sourcebook - Chapter 10
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... radially, the input- output ration changes. By properly arrang-
ing the rings and springs, the gear ration can be controlled by the
movement of the balls to maintain a constant value of output speed.
Sclater ... between
the two units, at all speeds and loads. The
variations caused by oil leakage and sim-
ilar factors are compensated automati-
cally by the idler roll and linkage. They
adjust the pilot valve ... floating rolls
are combined with two separate con-
trollers and actuators. The first controls
the in-feed speed and tension of the
paper stock, and the second controls the
wind-up.
The in-feed is controlled...
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Mechanisms and Mechanical Devices Sourcebook - Chapter 11
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... systems with con-
tinuously changing control points, and it can be used
where both heating and cooling are required in one
process. Both A and B are easily changed from direct to
reverse acting. ... simplicity, and cost.
Fig. 1 A bimetallic sensor is simple, compact, and precise.
Contacts mounted on low-expansion struts determine slow make-
and- break action. A shell contracts or expands with ... POWER
Cartridge-actuated devices generate a punch that cuts cable and pipe,
shears bolts for fast release, and provides emergency thrust.
Sclater Chapter 11 5/3/01 1:17 PM Page 402
Fig. 1 Automatic weighing and...
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Mechanisms and Mechanical Devices Sourcebook - Chapter 13
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...
ψ
13
and
ψ
12
. This establishes points A′
2
, A′
3
and
A′
4
, but here A′
3
and A′
4
coincide because of symmetry of A
3
and A
4
about A
0
B
0
.
4. Draw lines
A
1
A′
2
and A
1
A′
4
, and the ... is
the output and it replaces the center gear in Fig. 1.
Fig. 7 A more practical ring-gear and slider arrangement.
The output is now from the smaller gear.
Fig. 8 Jensen’s model of the ring-gear and ... on a conveyor is tilted 90º by an output crank,
which is actuated by an input crank through a coupler. Other
mechanisms shown can also coordinate the input and output
angles; some have dwell periods...
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Mechanisms and Mechanical Devices Sourcebook - Chapter 14
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... permit lettering, callouts, and the entry of notes and
parts lists, and some even offer the capability for calculating such
physical properties as volume, weight, and center of gravity if the
drawing ... than 5 ms/step. An
input of two simple input pulse signals will
operate it. This motor can index gears in
MEMS such as locking devices, counters,
and odometers. It was built with Sandia’s
four-layer ... capability and verifying commercial
demand. Initially ADI built these devices by interleaving, com-
bining, and customizing its internal manufacturing processes to
produce the micromechanical devices...
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Mechanisms and Mechanical Devices Sourcebook - Chapter 15
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... Technologies Group, Radford, VA
• Ledex Actuation Products, TRW Control Systems, Vandalia OH
• Sandia National Laboratories, Sandia Corporation, Albuquerque, NM
• SolidWorks Corporation, Concord, MA
• ... Data
Sclater, Neil.
Mechanisms and mechanical devices sourcebook / Neil Sclater, Nicholas P. Chironis.—
3rd ed.
p. cm.
Rev. ed of: Mechanisms & mechanical devices sourcebook / [edited by] ... applications beyond
NASA’s immediate objectives in space science and requirements for specialized equip-
ment. The names of the scientist/inventors and the NASA facilities where the work was
performed have...
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Mechanisms and Mechanical Devices Sourcebook - Chapter 12
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... left-handed
threads,
• An eye on a shank with external right-
handed threads, and
• A flanged collar with left-handed external
threads to mate with the shank of the first-
mentioned eye, and right-handed ... is bulky and diffi-
cult to use, requires periodic mainte-
nance, and poses the threat of leakage of
hydraulic fluid, which can contaminate
the clean room.
The actuator rests on a stand and
imparts ... is pushed upward an additional 15º, locking the handle
cam and the slide. In step 6, the handle is rotated an additional
30º, forcing the box and the mating spring-loaded electrical con-
nectors...
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Mechanisms and Mechanical Devices Sourcebook - Chapter 16
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...
angular-momentum-balanced, robot
48
ball -and- cone
250
ball -and- disk, and
251
ball -and- screw
5 12
bearings and roller
117
belt
12 224 257
belt -and- chain, variable speed
224
cam for ...
158
ring gear and slider
450
ring and slider, Jenson’s
450
robot
34
rocker arm and disk
123
roller-dwell
119
rotary, short-dwell
112
rotary-to-reciprocating motion and dwell
116 ...
primary
348
secondary
348
speed and tension
350
temperature
220 349
Inductosysns (See sensors feedback)
Input/ output (I/O)ports
7
Instruments, recording and controlling
397
Integrated...
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