dr jekyll and mr hyde summary chapter 6
Mechanisms and Mechanical Devices Sourcebook - Chapter 3
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... machine-driving shaft.
Sclater Chapter 3 5/3/01 10:22 AM Page 87
66
Fig. 3 In another type of action, the forward and return strokes are accomplished by a suitable mechanism, while the raising and ... photoemitter and photoreceiver.
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64
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81
Fig. 19 A paste belt applicator passes around the
pulley in a pastepot and slides ... motion. The bearings C
are supported by the frame as is the driving shaft D.
Sclater Chapter 3 5/3/01 10:20 AM Page 66
85
Sclater Chapter 3 5/3/01 10:22 AM Page 85
AUTOMATIC SAFETY MECHANISMS
FOR...
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Mechanisms and Mechanical Devices Sourcebook - Chapter 4
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... approximates part of the path of a
roller.
Fig. 6 An intermittent drive with a cylindrical lock. Shortly before
and after the engagement of two teeth with driving pin d at the end of
the dwell period, ... is
behind the driver. AT the end of the dwell period, pin
c
contacts the mutilated tooth and turns the driven gear one
circular pitch. Then, the full-width tooth engages the
cutout
d, and the driven ... number of lobes
L
3
and L
4
on
the gears
3 and 4. In the drawings, L
3
= 2
and
L
4
= 3. Any two lobes on the two
gears (i.e., any two lobes of which one is
on one gear and the other on the...
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Mechanisms and Mechanical Devices Sourcebook - Chapter 5
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... choice. It is the most ver-
satile and practical configuration for meet-
ing double-crank motion requirements.
166
Sclater Chapter 5 5/3/01 11:47 AM Page 166
A virtually unexplored area of mecha-
nism ... slides, friction drives, and gears.
Fig. 1 An axial screw with a rack-actuated gear (A) and an articulated driving rod (B)
are both irreversible movements, i.e., the driver must always drive.
Fig. ... turns.
Dynamic and static balancing is simplified
when an expanding wheel is attached to a
nonexpanding main wheel. As a pulley, an
expanding wheel can have a steel band
fastened to only one section and...
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Mechanisms and Mechanical Devices Sourcebook - Chapter 6
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... their seats.
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CHAPTER 6
SPRING, BELLOW,
FLEXURE, SCREW, AND
BALL DEVICES
Sclater Chapter 6 5/3/01 12:24 PM Page 173
installed and integrated into a ... balanced pressure. The screw in (B) retains 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 ... 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 with the nut locked...
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Mechanisms and Mechanical Devices Sourcebook - Chapter 7
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... center at
0
1
, arc 5 -6 with center at 0
4
, arc 7-1 with
center at
0
1
, and the straight lines 2-3 and
6- 7. The method calls for a combination
of drilling, lathe turning, and template
filing.
First, ... Belt drives,
on the other hand, have little slippage or
frictional losses, and chain has none—it
maintains a fixed phase relationship
between the input and output shafts.
Belt Drives
Belt drives ... chain drive and then is fed
into the cutter with the proper motion.
During the dwells of the rocker, for
example, a dwell is cut into the cam.
Sclater Chapter 7 5/3/01 12:33 PM Page 2 06
CHAPTER...
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Mechanisms and Mechanical Devices Sourcebook - Chapter 8
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... PLANETARY DRIVES
PLANOCENTRIC DRIVE
WOBBLE-GEAR DRIVE
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287
RATCHET-TOOTH SPEED-CHANGE DRIVE
An in-line shaft drive, with reduction ratios of 1:1 and 1: 16 or
1:28, ... line.
Sclater Chapter 8 5/3/01 12:44 PM Page 277
257
Fig. 5 This drive is a drum and roller. A
change of speed is performed by skewing
the roller relative to the drum.
Fig. 6 This drive consists ... retainer.
Sclater Chapter 8 5/3/01 12:43 PM Page 260
CHAPTER 8
GEARED SYSTEMS AND
VARIABLE-SPEED
MECHANISMS
Sclater Chapter 8 5/3/01 12:42 PM Page 241
2 56
VARIABLE-SPEED FRICTION DRIVES
Fig. 2...
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Mechanisms and Mechanical Devices Sourcebook - Chapter 9
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... constant angle.
Sclater Chapter 9 5/3/01 12:57 PM Page 317
3 36
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 ... Variable-torque drag brake . . . Fig. 2 . . . holds tension constant on tape Fig. 3 Constant-torque screwdriver
Sclater Chapter 9 5/3/01 12: 56 PM Page 3 06
307
SPRING BANDS GRIP TIGHTLY TO DRIVE
OVERRUNNING ... requirements of
MIL-E-5400, class 3 and MILK-39 26
specifications.
Applications were seen in counter and
reset switches and controls for machines
and machine tools, radar systems, and
precision potentiometers.
Eight-Joint...
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Mechanisms and Mechanical Devices Sourcebook - Chapter 10
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... machinery and protect
it and its operator.
Actuators Linear mechanical switches
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CHAPTER 10
TORQUE-LIMITING,
TENSIONING, AND
GOVERNING DEVICES
Sclater Chapter ... Chapter 10 5/3/01 1:07 PM Page 351
360
Limit Switches in Machinery (continued )
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352
DRIVES FOR CONTROLLING TENSION
Mechanical, electrical, and hydraulic ... devices.
The hydraulic operation is exactly the
same as that described for the hydraulic
drives.
Sclater Chapter 10 5/3/01 1:08 PM Page 353
A band brake intended to obtain a
friction drag will give...
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Mechanisms and Mechanical Devices Sourcebook - Chapter 11
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... CHAPTER 11
PNEUMATIC AND
HYDRAULIC MACHINE
AND MECHANISM
CONTROL
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375
Fig. 8 The housing of the Hele-
Shaw-Beachum ... components and linkages. The nested capsule (Fig. 4) requires
less space and can be designed to withstand large external overpressures without damage.
Sclater Chapter 11 5/3/01 1: 16 PM Page 380
... An instrument coupling.
Fig. 5 A crankcase oil drain plug.
Fig. 6 A non-rattling door latch.
Fig. 2 Tension devices.
Sclater Chapter 11 5/3/01 1: 16 PM Page 387
Fig. 4 This cut-off machine has...
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Mechanisms and Mechanical Devices Sourcebook - Chapter 13
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...
λ
opt
= 2 .61 00.
This gives
a
′
= 1.5382, b
′
= 0.4 067 4,
c
′
= 1. 061 6, and d
′
= 1.0218.
For a 4 in. crank,
k = 4/0.4 067 4 =
9.8343 and
a = 15.127 in., b = 4 in., c =
10.440 in., and
d = 10.049 ...
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 ... points
C and P.
2. Draw a line through points
C and O
1
.
3. Draw a perpendicular to
CP at P. This locates point A.
4. Draw line
AO
2
, to locate C
0
, the center of curvature.
1. Draw extensions...
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Mechanisms and Mechanical Devices Sourcebook - Chapter 14
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... can
466
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464
SOFTWARE IMPROVEMENTS
EXPAND CAD CAPABILITIES
Computer Aided Design (CAD) is a computer-based technology
that allows a designer to draw and ... can also generate bills of materials.
2D drawing and detailing software packages are based on ANSI,
ISO, DIN, and JIS drafting standards.
In a 2D CAD drawing, an object must be described by multi-
ple ... system, builds parts up to 10 in
3
( 164
cm
3
) while the FDM3000, a floor-
standing system, builds parts up to 10
ì
10 ì 16 in. ( 26 ì 26 ì 41 cm).
Two other floor-standing systems are
the
FDM 8000,...
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Mechanisms and Mechanical Devices Sourcebook - Chapter 15
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... prior written permission of the publisher.
1234 567 890 KGP/KGP 0 765 4321
ISBN 0-07-1 361 69-3
The sponsoring editor for this book was Larry S. Hager and the production supervisor
was
Pamela A. Pelton. ... Sclater. 2nd ed. 19 96.
ISBN 0-07-1 361 69-3
1. Mechanical movements. I. Chironis, Nicholas P. II. Mechanisms & mechanical
devices sourcebook. III. Title.
TJ181.S28 2001
62 1.8—dc21 2001030297
Copyright ... Technologies Group, Radford, VA
ã Ledex Actuation Products, TRW Control Systems, Vandalia OH
ã Sandia National Laboratories, Sandia Corporation, Albuquerque, NM
ã SolidWorks Corporation, Concord, MA
ã...
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Mechanisms and Mechanical Devices Sourcebook - Chapter 12
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... 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 ... left-handed
threads,
ã An eye on a shank with external right-
handed threads, and
ã A flanged collar with left-handed external
threads to mate with the shank of the first-
mentioned eye, and right-handed ... self-centering and stronger. Non-sliding gears
can be pinned to the shaft if it is provided with a hub.
Sclater Chapter 12 5/3/01 1:25 PM Page 420
CHAPTER 12
FASTENING, LATCHING,
CLAMPING, AND
CHUCKING...
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Mechanisms and Mechanical Devices Sourcebook - Chapter 16
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...
sliding
163
sphere
groove
166
grooved helix
166
plane
166
slotted cylinder
166
slotted helix
166
torus
166
torus, helix
166
True-speed
301
universal
183 169 294 301
constant-speed ...
97 4 36
Governors
auxiliary piston
362
centrifugal
363 364
constant-volume
363
differential, varying
363
electrical
365
force-compensated
362
hit -and- miss
362
hydraulic
365
pneumatic ... solid
466
hybrid surface and solid
467
solid
466
wireframe and surface
465
preparation for rapid prototyping
468
software improvements
464
Computer-aided engineering (CAE)
465
Computer-aided...
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Mechanisms and Mechanical Devices Sourcebook - Chapter 17
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... both classical and mod-
ern mechanisms and mechanical devices. This edition retains a large core of the con-
tents from both the first and second editions, (published in 1991 and 19 96,
respectively), ... has been supplemented by new and revised articles reflecting present
and future trends in mechanical engineering and machine design.
The new articles in this edition address topics that are covered ... programmable computer and digi-
tal technology on those systems. Other articles discuss servomotors, actuators, sole-
noids, and feedback sensors—important electromechanical, and electronic components
used...
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