dr jekyll and mr hyde summary chapter 3
Mechanisms and Mechanical Devices Sourcebook - Chapter 3
Ngày tải lên :
22/10/2012, 14:26
... photoemitter and photoreceiver.
Sclater Chapter 3 5 /3/ 01 10: 23 AM Page 90
64
Sclater Chapter 3 5 /3/ 01 10:20 AM Page 64
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 ... 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...
- 41
- 567
- 1
Mechanisms and Mechanical Devices Sourcebook - Chapter 4
Ngày tải lên :
22/10/2012, 14:26
... shown,
S = 1. From the geometry,
(
θ
30
+ ∆
θ
30
)L
3
= 36 0º
and
S = ∆
θ
3
/
θ
30
Hence
θ
30
(1 + S)L
3
= 36 0º
For
S = 1 and L
3
+ 2,
θ
30
= 90º
and
∆
θ
3
= 90º
Now select a convenient profile ...
3 must mesh with every lobe on gear
4, and T
3
/T
4
= L
3
/L
4
= 2 /3, where T
3
and
T
4
are the numbers of teeth on gears 3
and 4. T
1
and T
2
will denote the numbers
of teeth on gears
1 and ... 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...
- 33
- 507
- 0
Mechanisms and Mechanical Devices Sourcebook - Chapter 5
Ngày tải lên :
22/10/2012, 14:26
... linkage.
Fig. 8 Walschaert
valve gear.
Sclater Chapter 5 5 /3/ 01 11:45 AM Page 138
134
TWELVE EXPANDING AND CONTRACTING DEVICES
Parallel bars, telescoping slides, and other devices
that can spark answers ... the output (from 30 º to 36 0º). The crank drives the slider and gear rack,
which in turn rotates the output gear.
1 53
Springs and chains are attached to
geared cranks of this drive to operate ... lever and cam drive for a tire gage.
Fig. 3 A lever and sector gear in a differential pressure gage.
Fig. 4 A sector gear drive for an aircraft air-
speed indicator.
Fig. 5 A lever, cam, and cord...
- 46
- 572
- 0
Mechanisms and Mechanical Devices Sourcebook - Chapter 6
Ngày tải lên :
22/10/2012, 14:26
... their seats.
Sclater Chapter 6 5 /3/ 01 12:25 PM Page 191
CHAPTER 6
SPRING, BELLOW,
FLEXURE, SCREW, AND
BALL DEVICES
Sclater Chapter 6 5 /3/ 01 12:24 PM Page 1 73
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 a ... spring is wound to the
desired torque.
Figs 13 and 14 Rack and toothed
stops (Fig. 13) are frequently used to
adjust heavy louvers, boiler doors and
similar equipment. The adjustment is
not continuous;...
- 25
- 380
- 0
Mechanisms and Mechanical Devices Sourcebook - Chapter 7
Ngày tải lên :
22/10/2012, 14:26
... feed.
Sclater Chapter 7 5 /3/ 01 12 :34 PM Page 235
232
BUSHED ROLLER CHAINS AND THEIR ADAPTATIONS
Various roller, side-plate and pin configurations for power transmissions, conveying, and elevating.
STANDARD ... speed.
Sclater Chapter 7 5 /3/ 01 12 :33 PM Page 2 23
227
GETTING IN STEP WITH
HYBRID BELTS
Imaginative fusions of belts, cables, gears and chains are
expanding the horizons for light-duty synchronous drives
Belts ... SPEED RATIO
Sclater Chapter 7 5 /3/ 01 12 :34 PM Page 231
234
Fig. 1 This low-cost rack -and- pinion device
is easily assembled from standard parts.
Fig. 2 An extension of the rack -and-
pinion principle—This...
- 42
- 493
- 0
Mechanisms and Mechanical Devices Sourcebook - Chapter 8
Ngày tải lên :
22/10/2012, 14:26
... motion.
258
VARIABLE-SPEED DRIVES AND TRANSMISSIONS
These ratchet and inertial drives provide
variable-speed driving of heavy and light
loads.
Sclater Chapter 8 5 /3/ 01 12: 43 PM Page 258
279
SHEET-METAL ... U.S. patents (3, 094,880, 3, 139 ,771, 3, 139 ,772, and 3, 590,659)
have been issued to A. M. Maroth.
A variable-speed-transmission cone drive operates without gears
or pulleys. The drive unit has ... 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
256
VARIABLE-SPEED FRICTION DRIVES
Fig. 2...
- 52
- 642
- 0
Mechanisms and Mechanical Devices Sourcebook - Chapter 9
Ngày tải lên :
22/10/2012, 14:26
... 31 4
33 5
Shaft couplings that include internal and external gears,
balls, pins, and nonmetallic parts to transmit torque are
shown here.
Sclater Chapter 9 5 /3/ 01 12:58 PM Page 33 5
30 8
SLIP AND ... Chapter 9 5 /3/ 01 12:57 PM Page 31 7
33 6
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 ... 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 30 6
30 7
SPRING BANDS GRIP TIGHTLY TO DRIVE
OVERRUNNING...
- 46
- 410
- 0
Mechanisms and Mechanical Devices Sourcebook - Chapter 10
Ngày tải lên :
22/10/2012, 14:26
... Chapter 10 5 /3/ 01 1:07 PM Page 35 1
36 0
Limit Switches in Machinery (continued )
Sclater Chapter 10 5 /3/ 01 1:08 PM Page 36 0
35 2
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 35 3
A band brake intended to obtain a
friction drag will give ... rollers,
push-rods, and traveling nuts, are described and illustrated.
35 8
Sclater Chapter 10 5 /3/ 01 1:08 PM Page 35 8
34 2
TORQUE-LIMITERS PROTECT
LIGHT-DUTY DRIVES
Light-duty drives break down...
- 29
- 510
- 0
Mechanisms and Mechanical Devices Sourcebook - Chapter 11
Ngày tải lên :
22/10/2012, 14:26
... CHAPTER 11
PNEUMATIC AND
HYDRAULIC MACHINE
AND MECHANISM
CONTROL
Sclater Chapter 11 5 /3/ 01 1:15 PM Page 36 9
37 5
Fig. 8 The housing of the Hele-
Shaw-Beachum ... releases instantly.
Sclater Chapter 11 5 /3/ 01 1:17 PM Page 4 03
38 3
Gaging and callipering. The thickness of a moving wire or strip is
gaged by the position of the floating spool and transformer core. ... in the wire, depending on the
phase and magnitude of the applied differential transformer signal.
Sclater Chapter 11 5 /3/ 01 1:16 PM Page 38 3
39 1
riveting, and similar operations where quick,...
- 35
- 430
- 0
Mechanisms and Mechanical Devices Sourcebook - Chapter 13
Ngày tải lên :
22/10/2012, 14:26
... acceleration of the driven member.
438
Sclater Chapter 13 5 /3/ 01 1 :32 PM Page 438
the output velocity at crank angle
θ
= 60º
can be computed as follows:
L/R = 12/4 = 3
From Fig. 3
β′
/
ω
= 0.175
β′
= ... 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 perpendicular bisectors
of ... with
ψ
12
, and
ψ
14
.
Fig. 2 Three angular positions,
φ
12
,
φ
13
,
φ
14
, are synchronized by
four-bar linkage here with
ψ
12
,
ψ
13
, and
ψ
14
.
Sclater Chapter 13 5 /3/ 01 1 :33 PM Page...
- 33
- 561
- 1
Mechanisms and Mechanical Devices Sourcebook - Chapter 14
Ngày tải lên :
22/10/2012, 14:26
... include
ã 2D drafting
ã 3D wireframe and surface modeling
ã 3D solid modeling
ã 3D feature-based solid modeling
ã 3D hybrid surface and solid modeling
Two-Dimensional Drafting
Two-dimensional drafting ... organic and freeform shapes. Consequently, commercial
software producers offer 3D hybrid surface and solid-modeling
suites that integrate 2D drafting and 3D wireframe with 3D surface
and 3D solid ... 3D illustration of an indexing wheel drawn with
3D solid modeling software. Courtesy of
SolidWorks Corporation
3D illustration of the ski suspension mechanism
of a bobsled drawn with 3D modeling...
- 23
- 493
- 0
Mechanisms and Mechanical Devices Sourcebook - Chapter 15
Ngày tải lên :
22/10/2012, 14:26
... prior written permission of the publisher.
1 234 567890 KGP/KGP 0765 432 1
ISBN 0-07- 136 169 -3
The sponsoring editor for this book was Larry S. Hager and the production supervisor
was
Pamela A. Pelton. ... Toronto
Sclater FM 5 /3/ 01 9:50 AM Page iii
Library of Congress Cataloging-in-Publication Data
Sclater, Neil.
Mechanisms and mechanical devices sourcebook / Neil Sclater, Nicholas P. Chironis.—
3rd ed.
p. ... ed. 1996.
ISBN 0-07- 136 169 -3
1. Mechanical movements. I. Chironis, Nicholas P. II. Mechanisms & mechanical
devices sourcebook. III. Title.
TJ181.S28 2001
621.8—dc21 2001 030 297
Copyright â 2001,...
- 4
- 430
- 0
Mechanisms and Mechanical Devices Sourcebook - Chapter 12
Ngày tải lên :
22/10/2012, 14:26
... 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 ... correctly dimen-
sioned hubs and clamps so that they can be efficiently fastened to a
precision-ground shaft.
Sclater Chapter 12 5 /3/ 01 1:25 PM Page 421
415
Sclater Chapter 12 5 /3/ 01 1:25 PM Page 415
... is pushed upward an additional 15º, locking the handle
cam and the slide. In step 6, the handle is rotated an additional
30 º, forcing the box and the mating spring-loaded electrical con-
nectors...
- 24
- 489
- 0
Mechanisms and Mechanical Devices Sourcebook - Chapter 16
Ngày tải lên :
22/10/2012, 14:27
...
backstopping
32 0
band
inside
33 6
outside
33 6
new-spiral
30 7
bidirectional
30 8
cam and roller
30 3
centrifugal
30 9 36 4
cone
30 2 34 2
design of
30 5
detent
30 8
dog, one-way
31 1
dual-spring ...
articulating 30 0
closed-loop 43
crank and rocker 430 445
Daniel’s 133
D-curve 139
D-drive 137
differential 1 63
door-check 212
drag 431
eight-bar 150
Evans’ 133 136
five-bar 432
four-bar ... 295 30 8 33 7
parallel shaft
295
pin -and- slot
33 8
pinned-sleeve
33 0
pinned-sphere shaft
33 0
pipe-joint
30 8
power transmission
30 0
pump-type
33 1
rotating shafts, methods for
33 2
Rzeppa...
- 36
- 364
- 0
Mechanisms and Mechanical Devices Sourcebook - Chapter 17
Ngày tải lên :
22/10/2012, 14:27
... 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 1996,
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 ... guides, and X-Y motion systems assembled from stock mechanical components.
Other articles in this edition describe commercially available 2D and 3D CAD (com-
puter-aided design) software and update...
- 2
- 294
- 0