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Index Of: The Journeyman's Guide to Geometric Dimensioning and Tolerancing

Additional tolerance (Bonus tolerance) 35-36, 124-126, 130-131, 134-135, 139-140, 143, 156, 158
  defined 139-140
Ambiguity, Avoiding 1, 4, 137, 145, 215, 222
ASME Y14.5M-1994  
  conventions 3
  defaults 3, 15, 31-32, 34, 139, 174
  definitions 29-31
  fundamental rules 31-32
  importance of 1
Basic Dimensions 6, 29, 37-39, 162-163, 164-173, 213-214, 227, 229-235
Boundary, inner 29
Boundary, outer 29
Chained Dimensions 37, 137
Circularity   5, 34, 85, 88-89
  at a glance 88
Concentricity 5, 34, 85, 194, 196, 197
Converting +/- to positional tolerances 146-147
Coordinate systems 46, 49-50, 60-61, 68, 76-81, 159-163
Coplanarity - Controlling 63
Cylindricity   5, 34, 85, 90-91
  at a glance 90
  unit-basis 90
Datum Feature Simulators 29, 46-81, 148-154, 160, 210, 251
  for Primary Datum Features 52-55, 72-74
  Physical Datum Feature Simulators - Imperfect 52-55, 72
  Precedence 51, 76-81, 148-154, 160
  Simulated Datum and 72
  Virtual Datum Feature Simulators - Perfect 29, 52-55
Datum Features 6, 8, 29, 34, 46-83, 120, 127, 132, 144, 148-154, 160, 174-179
  Bounded 48, 64
  Complex 48, 64, 65
  Datum Feature Symbol 6, 7, 10, 62-64, 65, 257-259
  Datum Features of Size 48, 51, 52-55, 62, 69-70, 73-75, 78-81, 82, 148-154, 204, 257-259
  Datum Identifying Letter 48, 66
  Definition 29, 46
  Degrees of Freedom and 49, 52-55, 60-61, 68, 77, 79, 81
  Functional 46
  Labeling 62-64
  Multiple Datum Features 63, 204
  Partial 48
  Planar 48, 51, 52, 62, 63, 72, 76-81
  Precedence 9, 45, 51, 65, 68, 70, 76-81, 118, 120, 127, 132, 140, 148-154, 159-163, 198-199, 257-259
  selection criteria 46, 48
  Tolerancing (Qualifying) 52-55, 76, 78, 80, 82
Datum Reference Frames 9, 46-81, 86, 88, 90, 92, 120, 127, 132, 136, 194, 195, 198, 199, 213, 214
  coordinate systems defined by 46, 49-50, 51, 60-61, 76-81, 160-163
  Degrees of Freedom and 49, 52-55, 60-61, 68, 77, 79, 81
  functional 46
  Functional 46
  in Composite Feature Control Frames 140-142, 217-218, 164-185, 229-235
    Rules for 140
  Precedence 9, 45, 51, 65, 68, 70, 76-81, 118, 120, 127, 132, 140, 148-154, 159-163, 198-199, 257-259
Datum Targets 29, 48, 65-67
Datum, Simulated 29, 46
Datums   8, 10, 29, 38-39, 40, 46-81, 120, 127, 132, 159-163, 257
  Datum Feature Simulators and 46-47, 56-61, 72
  Datum Features and 8-9, 46-48, 50-55, 56-81
  Datum Reference Frames and 46-47, 51-55, 68, 76-81
  Definition 29, 46
  Feature Control Frames and 8-9, 140-141
  Precedence 9, 45, 51, 65, 68, 70, 76-81, 118, 120, 127, 132, 140, 148-154, 159-163, 198-199, 257-259
  Simulated 72
Degrees of Freedom 49-50, 52-55, 60-61, 68, 77, 79, 81, 141
  Compared with 3-2-1 68
Dimension, Basic 29
Dimension, Reference 29
Dimensioning and tolerancing philosophy 1-4
  avoiding ambiguity 1
  functional dimensioning and tolerancing 4
Dimensioning Requirements 37-39, 65-66, 86, 88, 90, 92, 120, 127, 132, 136, 194, 195, 198, 199, 213, 214
Drawings   6
Envelope, Actual Mating 29-30, 40-45, 51, 73-74, 115-117, 118-119, 159-163
  Related to a Datum Reference Frame 40-45, 51
  Related to the Feature 40-45, 51
Feature Control Frames 3, 6-10, 33, 34, 86, 88, 90, 92, 120, 127, 132, 136, 140, 142, 164-173, 174-179, 188-189, 194, 195, 198, 199, 213, 214, 217, 257-259
  BOUNDARY with 27, 118, 120, 127, 132, 136, 138
  Compartments 8-10
  Composite 10, 86, 92, 95, 136, 140-142, 164-185, 213, 214, 229-239
    Linking Lower Segments of 174-179
  Contents 3, 7-10
  Datum Feature Symbol and 62-64
  INDIVIDUALLY with 257-259
  Modifiers in 8, 9, 33-34
  Multiple Segments (more than two) 140
  on the drawing 6
  projected tolerance zones in 10
  SEP REQTS with 175-176
  SIM REQTS with 174-179
  Single Segment 7-10, 86, 88, 90, 92, 95, 120, 127, 132, 136, 194, 195, 198, 199, 213, 214
Feature of Size 6, 8, 15-28, 30, 48, 51, 52-55, 62, 69-70, 73-75, 78-81, 82, 92, 94, 95, 97-108, 109, 118, 120, 127, 132, 137-142, 144, 148-154, 204, 257-259
  as Datum Features of Size 48, 51, 52-55, 62, 69-70, 73-75, 78-81, 82, 148-154, 204, 257-259
  Axes of 115-117
  definition of 30
  in Functional Gages 148-154
  Material Condition Modifiers and 33, 35-36
  positional tolerance and 136, 137-140
  rule #1 and 15-28
  Tolerance Zones for 109
    Allowable Variation in 110-114
  Virtual Condition of 97-108
Feature, Axis of 30
Feature, Center Plane of 30
Feature, Derived Median Line of 30
Feature, Derived Median Plane of 30
Features   1-2, 6, 15-28, 29, 46, 48, 51-55, 62-64
  bounded 27-28, 33, 118, 120, 127, 132, 136, 137-138
  definition of 30
Fixed fastener situation 187
  formulas 187, 191-193
  orientation tolerance and 188
  positional tolerance and 187, 188
  projected tolerance zone and 187
Fixtures   46, 148-154
Flatness   86-87
  and composite feature control frames 86
  at a glance 86
Floating fastener situation 186
  formula 186
  positional tolerance and 186
Form Tolerances 5, 34, 86-96
  Circularity 88-89
    At a glance 88
    unit-basis 88
  Cylindricity 90-91
    At a glance 90
    unit-basis 90
  Flatness 86-87
    and composite feature control frames 86
    At a glance 86
  Rule #1 and form control 15-24
  Straightness 92-96
    and composite feature control frames 92, 95
    At a glance 92
    derived median line and 94
    in two directions 96
    lines elements and 93
    material condition modifiers and 92, 94
    RFS vs. MMC 94
    unit-basis 92, 95
    view dependency and 96
Format, plus/minus tolerances 11
  dimensional limits and 11-13
  effect on manufacturing process 12
  effect on target value 12
  equal bilateral 11-12
  leading zeroes 11
  legal differences 12
  limit dimensions 11-12
  number of decimal places 11
  SPC and 12
  trailing zeroes 11
  unequal bilateral 11-12
  unilateral 11-12
Free-State and Restrained Parts 32, 247-256
  Default condition per ASME Y14.5M-1994 32
  Deformation Due to Assembly Forces 247-255
  Distinction Between Rigid and Non-Rigid 247
  Flexible Gasket Example 256
  Free State Symbol 33-34, 248
  Functional Dimensioning and Tolerancing and 247-255
  Invoking Free State on a Non-Rigid Part Drawing 248
  Non-Rigid Parts 32, 247-248
    Adjustment Note for Non-Rigid Parts 256
  Restraint Forces 247-248
  Restraint Notes 248, 255
  Rigid Parts 32, 247
Full Indicator Movement (FIM) 30, 200, 205
Functional dimensioning and tolerancing 4
Functional Gaging 46, 148-154
Fundamental Rules 31-32
GD&T, Comparison with +/- 137, 145-147
GD&T, definition of 1
Geometric Characteristic Symbols 5
Geometry, types of 2
Individual   257-259
Journeyman's Guide, intent 1
Justification for GD&T i, 1, 35-36, 44, 109, 115, 137, 215
Material condition modifiers 30, 33, 35-36, 92, 94, 124-126, 130-131, 134-135, 136, 139-140, 143, 148-154, 155, 156-158,
  Additional (bonus) tolerance and 35-36, 124-126, 130-131, 134-135, 139-140, 143, 156-158
  choosing the correct modifier 35-36, 156-158
    alignment 157
    combination of factors 157
    edge distance or wall thickness 156
    fit or clearance 156
    selection criteria 156-158
  Default 36, 139
  difference between the material condition modifiers 35-36
  effect on tolerance zone 35-36
  LMC   8, 15-27, 30, 33-36, 84, 86, 92, 100-102, 106-108, 120, 127, 132, 136, 138-140, 156-158, 196, 198, 199, 213, 214
    and internal and external features 35-36, 97-108
    definition of 35-36
  MMC   8, 15-27, 30, 33-36, 51, 54-55, 84, 86, 92, 94, 97-99, 103-105, 120, 124-126, 127, 130-131, 132, 136, 138-142, 143, 148-154, 155, 156-158, 188, 196, 198, 199, 213, 214
    and internal and external features 35-36, 97-108
    definition of 35-36
  RFS   9, 30, 33-36, 48, 51, 52-54, 73-74, 85, 86, 88, 90, 92, 94, 120, 123, 126, 127, 129, 132, 133, 136, 139, 156-158, 159-163, 188, 194-196, 198, 199, 213, 214
    ANSI Y14.5M-1982 35
    as a subset of MMC and LMC 36, 139
    definition of 35-36
  symbols for 33, 35
Orientation Tolerances 5, 34, 118-135
  Angularity  
    At a glance 132
  By Element 118
  Comparison of the Orientation Tolerances 118
  Features of Size and 118, 120, 123-126, 127, 129-131, 132, 134-135
  Parallelism  
    At a glance 127
  Perpendicularity  
    At a glance 120
  Planar Features and 120, 121-122, 127, 128, 132, 133
  Related to more than one Datum 118, 120, 122, 127, 132
Plane, Tangent 30
Positional Tolerances 5, 34, 136-193
  At a glance 136
  Additional (bonus) tolerance and 139-140, 143, 156
  BOUNDARY with 136, 137-138
  Circumscribing a cylindrical positional tolerance zone about a square +/- tolerance zone 146-147
  Compared to +/- 137, 145-147
  Composite Position 136, 140-142, 164-185
  Concentricity and 194
  Converting +/- to Positional Tolerances 146-147
  Datum Reference Frames and 136, 137-142, 148-154, 159-163, 164-185
  Evaluating a Positional Tolerance Specification 159-163
  Features of Size and 97-108, 109-114, 115-117
  Functional Gaging and 148-154
  History of 137
  in Fixed- and Floating-Fastener Formulas 186-193
  Material Condition Modifiers and 136, 139-140, 143, 148-154, 155, 156-158
  Projected Tolerance Zones and 136, 187, 188-193
  Separate Requirements and 175-176
  Simultaneous Requirements and 174-179
  Surface vs. Axis 139
  Symmetry and 195
  Tolerance Zone Geometry for Features of Size 109-114
  Virtual Condition and Resultant Condition and 97-108
  Zero Positional Tolerance 155
Profile Tolerances 5, 34, 213-246
  All-Around 227
  Avoiding Guesswork with 215
    Avoiding Combining +/- and Profile 213-215
  Basic Dimensions and 213-215
  Benefits of 213-218, 219
  Complex Surfaces and 213-218, 219, 229-235
  Composite Profile 213-214, 217-218, 229-239
    Unilateral Composite Profile 236-239
    With Sim Reqts Specified 232-234
    Without Sim Reqts Specified 229-231, 235
  Coplanarity - Controlling 63
  Datum Reference Frames and 213-214, 217,
  Defining the Extents of Application 222
  Direction of Tolerance 215
  Equal Bilateral 215, 223
  Limited Application 216-217, 228
    Between Points 217, 228
    Limited Area of Application 216
    Limited Length of Application 216
  Profile of a Line 5, 34, 215-218, 220, 221, 231, 240-246
    ASME Y14.5M-1994 vs.
ASME Y14.5.1M-1994 Interpretations
240
    At a glance 213
    Compared with Profile of a Surface 221
    Composite Feature Control Frames and 213
    What it Really Means 240-246
  Profile of a Surface 5, 34, 214-218, 229-239
    At a glance 214
    Compared with Profile of a Line 221
    Composite Feature Control Frames and 214, 229-239
  Similarities to +/- 215
  Simultaneous Requirements and 218, 232-234
    Without Sim Reqts Specified 235
  Tolerance Zones 215-216, 219-221, 223-228, 229-239
  True Profile and the Profile Tolerance Zone 215
  Types of Control 213-218
  Unequal Bilateral 215, 224
  Unilateral 215, 225-226
  Unit Basis 218
  Universal Applicability of 213-215
Projected tolerance zones 10, 33-34, 136, 187, 188-193
  effect inside and outside the part 190
  formulas to calculate equivalent tolerance when projected tolerance is not specified 191-193
  in fixed fastener calculations 187
  methods of specifying 188-189
  reasons for 188-189
  reluctance of companies to use 188
  Symbol 10, 33-34
  Threaded Holes and 187, 188-193
Radius Dimensions 14
Reference Dimensions 6
Repetitive Datum Reference Frames 257-259
  Individual, Use of 257-259
Resultant Condition 30, 97-108
Rule #1   15-28, 84, 116
  Violation of 15, 94, 95
Runout tolerances 5, 34, 198-212
  Circular Runout 198, 200-202, 206-207, 209-212
    And Inspection 200
  Circular Runout vs. Total Runout 198, 199, 209
  Form Error vs. Location Error 210-212
  Full Indicator Movement (FIM) 30, 200, 205
  Multiple Datum Feature and 204
  Surfaces of Revolution and 203
  Total Runout  
    And Inspection 201-202
Separate requirements 174-176
  Invoking 175-176
Simultaneous requirements 164, 169, 174-179, 180-185, 218, 229-235
  Default condition per ASME Y14.5M-1994 174
  Invoking 174-179, 180-185
  Overriding 175-176
Size, Actual   30
Size, Actual Local 15-24, 31
Size, Actual Mating 15, 31, 35-36, 139-140, 156-157
Size, Limits of 11-13, 15-24, 31
Size, Nominal 31
Size, Resultant Condition 31
Size, Virtual Condition 31
Straightness   92-96
  and composite feature control frames 92, 95
  at a glance 92
  derived median line and 94
  in two directions 96
  lines elements and 93
  material condition modifiers and 92, 94
  RFS vs. MMC 94
  unit-basis 92, 95
  view dependency and 96
Surfaces of Revolution 203
Symbology   3, 5-10, 62, 65-66
Symmetry   5, 34, 195, 196-197
Tolerance   31
Tolerance, Bilateral 31
Tolerance, Geometric 31
Tolerance, Unilateral 31
True Geometric Counterpart 31
True Position 31
Units     3
Virtual Condition 31, 94, 97-108
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