A Manual of Machinery and Millwork

Front Cover
C. Griffin, 1869 - Machinery - 588 pages
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Contents

Art Page 76 Composition of Rotations about Parallel Axes
55
Rolling of a Cylinder on a CylinderEpitrochoidsEpi cycloids
56
To draw Rolled Curves
58
Resolution of Rotation in Gene ral
63
Art Page 81 Rotations about Intersecting Axes Compounded
66
Rolling Cones
68
Rolling Hyperboloids
71
Cylinders Rolling Obliquely
73
BandsorFlexibleSecondaryPieces CordsBeltsChains
74
Fluid Secondary Pieces
75
Of Elementary Combinations in Mechanism Section I Definitions General Prin ciples and Classification 89 Elementary Combinations De fined
77
Comparative Motions of Con
78
nected Points and Pieces
79
Adjustments of Speed
80
Of Rolling Contact and Pitch Surfaces 95 Pitch Surfaces
81
Toothless Racks
82
Wheels with Parallel Axes
83
Wheel and Rack
84
Circular Spur Wheels
85
Circular Bevel Wheels
86
Circular Skew Bevel Wheels
87
NonCircular Wheels in General
92
Elliptic Wheels
95
Lobed Wheels
97
Logarithmic Spiral Sectors or Rolling Cams
99
Frictional Gearing
103
General Principles
104
Smallest Pinion
105
Train of Wheelwork
108
Diametral and Radial Pitch
111
Relative Positions of Parallel Axes in Wheelwork
113
Sliding Contact Teeth ScrewGearing and Cams 122 General Principle of Sliding Contact
114
Teeth of Wheels and Racks General Principle
115
Customary Dimensions of Teeth
116
Teeth for Inside Gearing
117
Arc of Contact
119
Teeth of SpurWheels and Racks
120
Involute Teeth for Racks
125
Teeth for a given Path of Contact
128
Teeth Traced by Rolling Curves
130
Tracing Epicycloidal Teeth by Templets
131
Straight Flanked Epicycloidal Teeth
133
Epicycloidal Teeth Traced by an Uniform Describing Circle
134
Teeth Gearing with Round StavesTrundles PinWheels and PinRacks
137
Intermittent Gearing
139
Teeth of NonCircular Wheels
143
Teeth of SkewBevel Wheels
145
General Conditions
146
Transverso Obliquity of Skew Bevel Teeth
152
Stepped Teeth
155
Helical Teeth
156
Screw and Nut
157
Screw WheelWork Rules for Drawing
159
Figures of Threads found by Means of Normal ScrewLines
163
CloseFitting Tangent Screws
165
Oldhams Coupling
166
Pin and Straight Slot
167
Cams and Wipers in General
170
Drawinga Cam by Circular Arcs
173
ManyCoiled Cams Spiral and Conoidal Cams
175
Connection by Bands 165 Bands and Pulleys Classed
179
Principles of Connection by Bands
180
Pulleys with Equal Angular Velocities
182
Length of an Endless Band
183
Pulleys with Flat Belts
184
Speed Cones
185
Eccentric
197
Mean VelocityRatio
199
Doubling of Oscillations by Linkwork
201
Slow Motion by Linkwork
202
Hookes Coupling or Universal Joint
203
Double Hookes Joint
205
HookenndOldham Coupling
206
Silent Click
208
Doubleacting Click
209
Frictional Catch
211
Slotted Link
213
Connection by Plies of Cord or by Reduplication 200 General Explanations
214
VelocityRatios
215
Ordinary form of PulleyBlocks
216
Compound Purchases
217
Rope and Space required for a Purchase
218
206a TillerRopes
219
Hydraulic Connection 207 General Nature of the Combina tions
221
ComparativeVelocitiesofPistons223
223
Use of ValvesIntermittent Hydraulic Connection
224
211a Flexible Cylinders and Pistons
226
Miscellaneous Principles respecting Trains 212 Converging Trains
227
Train for diminishing Fluctua tions of Speed
228
References to Combinations Arranged in Classes 215 Object of this Section
229
VelocityRatio Variable
230
DirectionalRelation Variable
231
Art Page
232
Methods of Treating Problems
238
Production oj Varying
246
Rolling
266
Addenda to Chapters IV and V
291
Disengagements acting by Roll
297
Art Page
310
ForcesAction and Reaction
316
Parallel Forces
322
Supplement to Chapter I
331
Of Resistance and Work
338
Representation of Work by
345
810a Friction of a Band 351
351
Of Deviating
363
Art Page
368
Reciprocating Force
374
Of Dynamometers
382
Elasticity of Spiral Springs
389
Measurement of Friction
395
BlockBrakes
401
867
421
Efficiency of an Axle
427
Efficiency of a Screw
433
Of Materials used in Machinery
450
Steel and Steely Iron
457
Other Alloys
463
General Tables of
477
Resilience of Iron and Steel
485
Stiffness or Rigidity Pliability
491
Strength of Fastenings
497
Art Page
498
Resilience of a Cylindrical Shaft
504
Of Resistance to Thrust
522
Alternate Strains
529
Chains
535
Special Rules relating
553
General Explanations
559
Art Page
568
To Article 263 page 298 ClaspNut 676
576

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