|
|
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 |
|
|
|