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 |  موضوع: كتاب Gear Hobbing, Shaping and Shaving الجمعة 23 أبريل 2021, 10:46 pm | |
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Gear Hobbing, Shaping and Shaving
A Guide to Cycle Time Estimating and Process Planning
By
Robert Endoy
Richard Perich
Publications Administrator
Published by
Society of Manufacturing Engineers
Publications Development Department
One SME Drive
و المحتوى كما يلي :
TABLE OF CONTENTS
Part I: Overview .
Chapter 1
Introduction to Hobbing, Shaping and Shaving . 3
Chapter 2
Hobbing . 27
Chapter 3
Shaping . 49
Chapter 4
Shaving . 63
Part II: Process Planning 75
Chapter 5
Gear Manufacturing Methods 77
Chapter 6
Spline Manufacturing Processes . 89
Chapter 7
Special Gear and Spline Processes . 101
Chapter 8
Blanking . 105
Chapter 9
Heat Treatment 117
Chapter 10
Grinding . 127
Chapter 11
Process Planning Examples . 139
Chapter 12
Gear Terminology 173
Part III: Bibliography 177
Index.
Index
A
Addendum, 173
Angle head grinding, 133-138
Annea1i ng , 119
Automated part handling, 108
B
Barstock, 107
Blanking, 105-117
Bore grinding. 134
Brine11 Hardness, 51
Broach cycles, 87
C
Calculation of hob travel, 29-30
Carbide finish hobbing, 88
Carbon1triding. 120
Carburizing, 120
Case hardening, 118
Center1ess grinding, 132
Chamfering, 101-102
Circular pitch, 174
Climb hobbing, 9, 44, 45
Cluster gears, 142-147
CNC, See: Computer numerical control
Combination shaping, 57
Computer numerical control, 6, 41, 108,
131, 133
Conventional hobbing, 9-10, 45
Conventional shaving, 63, 67
Countershaft design, 123
Countershafts. 123. 148-150
Crossed axis angles, 21
Crown hobbing. 44. 46
Crowning. 44, 46, 73
Cutter sizes, 65
Cutting speeds, 35, 50, 52
Cycle calculations, 37
Cycle time elements, 49-61
Cycle times, 28. 37, 39, 42, 64
Cylindrical gears. 78
Cylindrical grinding. 130-132
Deburring. 101-102
Dedendum, 174
Design, 123
D
Diagonal shaving, 63, 67. 72
Diametral pitch, 59, 174
Dimensional tolerances, 127
Distortions. 121-125
Double cut hobbing cycles, 28
Down shaping. 59
E
External gear broaching, 87-88
External gears, 60, 87-88
External recessed tooth forms. 60
External spline broaching, 96
Extrusions, 109-110
F
Face grinding, 133, 134
Feeds, 49, 51
Flame hardening, 121
Floor layout, 108
Forgings, 109
Form grinding, 82-83
Form tolerances, 129
Gear face width, 29
Gear honing, 85
Gear mi 11 i ng, 85
Gear rolling, 82
G
Gear shaping machines, 18-19
Gear sounding, 103-104
Grinding
angle head, 133-138
bore, 134
centerless, 132
computer numerical control, 131
dimensional tolerances, 127disc, 128
face, 133, 134
finish, 83
form 82-83, 129
form tolerances, 129
generating, 85
groove, 132
horizontal disc, 128
internal, 134
multiple diameters, 133
multiwheel, 131
peripheral, 137
plunge, 130
recessed face, 136
surface, 127-128, 137
traverse, 131
vertical disc, 137
Groove grinding, 132
H
Heat treating, 117-125
Helix angles, 174
Hobbing
applications, 5, 43-48
carbide finish hobbing, 88-89
centering, 7
climb, 9, 44, 45
crown, 44, 46
cycle calculations, 37-43
cycle time formulas, 28
double cut, 28
gear face width, 29
machines, 6
number of starts, 36
overrun, 32
process defined, 27-37
shifting, 7-8
single cut hobbing, 28
spacer width, 30
spline, 95
taper, 44, 46
travel, 29-37
Hob centering, 7
Hob construction, 12
Hob revolutions, 34
Hob shifting, 7-8
Hob starts, 36
Hob travel, 29-20
Horizontal disc grinding, 138
I
Idler gears, 139-141
Induction hardening, 118, 121
Industrial robots, 108
Infeed times, 49
Internal gear broaching, 86-87
Internal gears, 60, 85, 86-87
Internal gear skiving, 85
Internal planetary ring gears, 151-152,
162-164
Internal spline broaching, 95-96
Involute modifications, 74
Involute spline grinding, 98
Involute splines, 91, 98
L
Labor, 108
Lead angles, 174
Length of stroke, 52
Low carbon steels, 118
M
Machining, 29, 117, 122
Machining times, 29,
Material handling, 108
Medium carbon steels, 118
Milling, 93
Multiwheel grinding, 131
Nitrid i ng, 120
Normalizing, 119
N
o
Outside diameter, 174
Overrun, 32
P
Part configurations, 77-78, 81, 89, 105
Peripheral grinding, 137
Pitch diameter, 174
Plastic deformation, 122
Plunge grinding, 130
Plunge shaving, 63
Potbroaching, 93
Pressure angles, 175
Production volumes, 80-81, 92, 106
Profi le, 15
Progressive blind broaching, 96
Quality
class, 12, 14
levels, 79
Qspecifications, 79-80
R
Recessed face, 136
Reciprocating cutter speeds, 50
Robots, 108
Rolling. 93
Root diameters. 175
Root relief, 175
Rotary feed times, 49
Rough material, 107
S
Shaper cutters, 19-21
Shaping
applications, 56-57
basis of, 49
combination shaping. 57
cutting speeds. 50-52
cycle time elements. 49-60
down shaping, 58
gear machines. 18-19
length of stroke. 52-53
machine. 18-19
shaper cutters, 19-20
spline manufacturing, 91, 95
taper shaping, 57
three cuts cycle. 54-56
two cuts cycle. 53-54
Shaving
applications. 73
crowning, 73
cutting feed, 65-69
cutters. 25
cutting speed, 64
cycle time calculations, 71-73
diagonal. 63, 67. 72
involute modifications. 74
machines. 24-25
methods of. 63
number of strokes. 69
purpose. 21
spline, 95
stroke length. 66-67
Shear cutting, 93, 96
Single cut cycles, 28. 53
Single cut hobbing cycles, 28
Spacer widths, 30
Spline grinding, 97
Spline hobbing, 97
Spline manufacturing 89-99
Spline milling, 95 '
Spline rolling, 92
Spline shaping, 97
Spline shaving, 97
Straight sided spline grinding, 98
Straight sided splines, 91
Stroke length, 66, 67
Surface enrichment, 118
Surface finish, 127
Surface grinding, 137-138
Surface roughness, 128
Synchronized transmissions, 158-161
T
Taper hobbing, 44, 46
Tapers. 44, 46, 57. 73
Taper shaping. 57
Three cut cycles. 54
Tip relief. 175
Tolerances, 129
Tool forms. 89-90
Tool i ng. 108
Tool materials, 16
Toothform, 12
Tooth pointing, 102-103
Tooth rounding, 102-103
Transmission connectors. 165-168
Transmission countershafts, 114,
153-157
Transmission main shafts, 169-172
Traverse grinding. 131
Two cut cycles, 53
U
Underpass shaving, 63
Universal tooling. 108
v
Variable feeds. 47
Vertical disc grinding. 137
W
Whole depth. 175
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