ASME Y14.45 2021

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ASME Y14.45 – 2021 Measurement Data Reporting

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ASME	2021	110

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PDF Pages	PDF Title
4	CONTENTS
8	FOREWORD
9	ASME Y14 ROSTER
10	CORRESPONDENCE WITH THE Y14 COMMITTEE
12	Section 1 General 1.1 SCOPE 1.2 STRUCTURE OF THE STANDARD 1.3 ASME Y14 SERIES CONVENTIONS 1.3.1 Mandatory, Recommended, Guidance, and Optional Words 1.3.2 Cross-Reference of Standards 1.3.3 Invocation of Referenced Standards
13	1.3.4 Parentheses Following a Definition 1.3.5 Notes 1.3.6 Acronyms and Abbreviations 1.3.7 Units 1.3.8 Figures 1.3.9 Precedence of Standards 1.4 REFERENCE TO THIS STANDARD 1.5 DIMENSIONING AND TOLERANCING
14	1.6 SPECIFICATIONS NOT ADDRESSED BY THIS STANDARD
15	Section 2 References 2.1 INTRODUCTION 2.2 REFERENCES
16	Section 3 Definitions 3.1 ACTUAL LOCAL SIZE 3.2 ACTUAL MATING ENVELOPE (AME) 3.3 ACTUAL MINIMUM MATERIAL ENVELOPE 3.4 ACTUAL VALUE 3.5 ADDITIONAL TOLERANCE 3.6 CHARACTERISTIC IDENTIFIER 3.7 CONTROLLED FEATURE COMPONENT 3.8 FITTING
17	3.9 LEAST MATERIAL CONDITION (LMC) 3.10 LOCATION COMPONENTS 3.11 LOCATION-CONSTRAINED MEASURED MATING ENVELOPE 3.12 LOCATION-CONSTRAINED MEASURED MINIMUM MATERIAL ENVELOPE 3.13 MAXIMUM MATERIAL CONDITION (MMC) 3.14 MEASURED DERIVED MEDIAN LINE 3.15 MEASURED DERIVED MEDIAN PLANE 3.16 MEASURED FEATURE AXIS 3.17 MEASURED FEATURE CENTER PLANE 3.18 MEASURED FEATURE CENTER POINT 3.19 MEASURED LOCAL CROSS SECTION SIZE
18	3.20 MEASURED LOCAL LINE SEGMENT SIZE 3.21 MEASURED LOCAL SIZE 3.22 MEASURED MINIMUM MATERIAL LOCAL CROSS SECTION SIZE 3.23 MEASURED MINIMUM MATERIAL LOCAL LINE SEGMENT SIZE 3.24 MEASURED SURFACE 3.25 MEASURED VALUE 3.26 MEASURED ZONE
19	3.27 OPTIMIZATION 3.28 ORIENTATION-CONSTRAINED MEASURED MATING ENVELOPE 3.29 ORIENTATION-CONSTRAINED MEASURED MINIMUM MATERIAL ENVELOPE 3.30 REGARDLESS OF FEATURE SIZE (RFS) 3.31 REPORTED VALUE 3.32 REPORTING COORDINATE SYSTEM 3.33 RESOLVED GEOMETRY 3.34 RESOLVED GEOMETRY METHOD 3.35 SURFACE DEVIATION 3.36 SURFACE METHOD 3.37 UNRELATED MEASURED MATING ENVELOPE 3.38 UNRELATED MEASURED MATING ENVELOPE SIZE
20	3.39 UNRELATED MEASURED MINIMUM MATERIAL ENVELOPE 3.40 UNRELATED MEASURED MINIMUM MATERIAL ENVELOPE SIZE 3.41 VIRTUAL CONDITION (VC)
21	Section 4 Measurement Data for Dimensioning and Tolerancing 4.1 GENERAL 4.2 UNCERTAINTY OF REPORTED MEASUREMENT DATA AND ASSOCIATED TERMINOLOGY 4.3 SIGNIFICANT DIGITS FOR REPORTED MEASUREMENT DATA 4.4 CHARACTERISTIC IDENTIFIER 4.5 MEASUREMENT DATA REPORTING METHODS
22	4.5.1 Method A 4.5.2 Method B 4.5.3 Method C 4.6 DEVIATIONS FROM THE REQUIREMENTS OF THIS STANDARD 4.7 ASME Y14.45 DATA REPORT FORMAT 4.8 ACRONYMS AND ABBREVIATIONS FOR CHARACTERISTIC TYPE
23	Figures Figure 4-1 ASME Y14.45 Data Report Format
24	Section 5 Measurement Data Reporting for Size Tolerances 5.1 GENERAL 5.2 METHOD B DATA FOR SIZE TOLERANCES 5.3 WHERE PERFECT FORM AT MMC APPLIES 5.3.1 Unrelated Measured Mating Envelope Size 5.3.2 Measured Local Size 5.4 WHERE PERFECT FORM AT LMC APPLIES 5.4.1 Unrelated Measured Minimum Material Envelope Size 5.4.2 Measured Local Size
25	5.5 SIZE WHEN PERFECT FORM IS NOT REQUIRED AT EITHER MMC OR LMC Figure 5-1 Size When Perfect Form at MMC Applies Figure 5-2 Example Measurement Data Report for Figure 5-1
26	Figure 5-3 Size When Perfect Form at LMC Applies Figure 5-4 Example Measurement Data Report for Figure 5-3
27	Figure 5-5 Size Where Perfect Form Is Not Required at Either MMC or LMC Figure 5-6 Example Measurement Data Report for Figure 5-5
28	Section 6 Measurement Data Reporting for Form Tolerances 6.1 GENERAL 6.2 METHOD B DATA FOR STRAIGHTNESS TOLERANCES 6.2.1 Straightness of Line Elements 6.2.2 Straightness of a Derived Median Line at RFS 6.2.3 Straightness of a Derived Median Line at MMC or LMC 6.2.4 Straightness of a Derived Median Line at MMC, Resolved Geometry Method
29	6.2.5 Straightness of a Derived Median Line at MMC, Surface Method 6.2.6 Straightness of a Derived Median Line at LMC, Resolved Geometry Method
30	6.2.7 Straightness of Derived Median Line at LMC, Surface Method 6.3 METHOD B DATA FOR FLATNESS TOLERANCES 6.3.1 Flatness of a Surface 6.3.2 Flatness of a Derived Median Plane at RFS 6.3.3 Flatness of a Derived Median Plane at MMC or LMC 6.3.4 Flatness of a Derived Median Plane at MMC, Resolved Geometry Method
31	6.3.5 Flatness of a Derived Median Plane at MMC, Surface Method 6.3.6 Flatness of a Derived Median Plane at LMC, Resolved Geometry Method
32	6.3.7 Flatness of a Derived Median Plane at LMC, Surface Method 6.4 METHOD B DATA FOR CIRCULARITY TOLERANCES 6.5 METHOD B DATA FOR CYLINDRICITY TOLERANCES
33	Figure 6-1 Straightness of Line Elements Figure 6-2 Example Data Report for Figure 6-1
34	Figure 6-3 Straightness of a Derived Median Line at RFS Figure 6-4 Example Data Report for Figure 6-3
35	Figure 6-5 Straightness of a Derived Median Line at MMC, Resolved Geometry Method Figure 6-6 Example Data Report for Figure 6-5
36	Figure 6-7 Straightness of a Derived Median Line at MMC, Surface Method Figure 6-8 Example Data Report for Figure 6-7
37	Figure 6-9 Straightness of a Derived Median Line at LMC, Resolved Geometry Method Figure 6-10 Example Data Report for Figure 6-9
38	Figure 6-11 Straightness of a Derived Median Line at LMC, Surface Method Figure 6-12 Example Data Report for Figure 6-11
39	Figure 6-13 Flatness of a Surface Figure 6-14 Example Data Report for Figure 6-13
40	Figure 6-15 Flatness of a Derived Median Plane at RFS Figure 6-16 Example Data Report for Figure 6-15
41	Figure 6-17 Flatness at MMC, Resolved Geometry Method Figure 6-18 Example Data Report for Figure 6-17
42	Figure 6-19 Flatness of a Derived Median Plane at MMC, Surface Method Figure 6-20 Example Data Report for Figure 6-19
43	Figure 6-21 Flatness of a Derived Median Plane at LMC, Resolved Geometry Method Figure 6-22 Example Data Report for Figure 6-21
44	Figure 6-23 Flatness at LMC, Surface Method Figure 6-24 Example Data Report for Figure 6-23
45	Figure 6-25 Circularity Figure 6-26 Example Data Report for Figure 6-25
46	Figure 6-27 Cylindricity Figure 6-28 Example Data Report for Figure 6-27
47	Section 7 Measurement Data Reporting for Orientation Tolerances 7.1 GENERAL 7.2 METHOD B DATA FOR ORIENTATION TOLERANCES 7.2.1 Orientation of a Planar Surface 7.2.2 Orientation of a Planar Surface With a Tangent Plane Modifier 7.2.3 Orientation of Linear Surface Elements 7.2.4 Orientation of a Feature of Size
50	Figure 7-1 Perpendicularity for a Planar Surface Figure 7-2 Example Data Report for Figure 7-1
51	Figure 7-3 Perpendicularity With a Tangent Plane Modifier for a Planar Surface Figure 7-4 Example Data Report for Figure 7-3
52	Figure 7-5 Perpendicularity of Linear Surface Elements
53	Figure 7-6 Example Data Report for Figure 7-5
54	Figure 7-7 Angularity of the Axis of a Hole at RFS Figure 7-8 Example Data Report for Figure 7-7
55	Figure 7-9 Perpendicularity at MMC Applied to the Axis of a Hole, Resolved Geometry Method Figure 7-10 Example Data Report for Figure 7-9
56	Figure 7-11 Perpendicularity at MMC Applied to the Axis of a Hole, Surface Method Figure 7-12 Example Data Report for Figure 7-11
57	Figure 7-13 Perpendicularity at LMC Applied to the Axis of a Hole, Resolved Geometry Method Figure 7-14 Example Data Report for Figure 7-13
58	Figure 7-15 Perpendicularity at LMC Applied to the Axis of a Hole, Surface Method Figure 7-16 Example Data Report for Figure 7-15
59	Section 8 Measurement Data Reporting for Position Tolerances 8.1 GENERAL 8.2 METHOD C LOCATION COMPONENTS FOR POSITION 8.3 METHOD B DATA FOR POSITION TOLERANCES 8.3.1 Position at RFS
60	8.3.2 Position Tolerances at MMC or LMC
62	Figure 8-1 Position at RFS Defining a Cylindrical Tolerance Zone
63	Figure 8-2 Example Data Report for Figure 8-1
64	Figure 8-3 Position at RFS Defining a Two-Parallel-Plane Tolerance Zone
65	Figure 8-4 Example Data Report for Figure 8-3
66	Figure 8-5 Position at RFS Defining a Spherical Tolerance Zone
67	Figure 8-6 Example Data Report for Figure 8-5
68	Figure 8-7 Bidirectional Position at RFS Applied to the Axis of Cylindrical Features
69	Figure 8-8 Example Data Report for Figure 8-7
70	Figure 8-9 Polar Coordinate Position at RFS Applied to the Axis of a Cylindrical Feature
71	Figure 8-10 Example Data Report for Figure 8-9
72	Figure 8-11 Position at MMC Applied to the Axis of a Cylindrical Feature, Resolved Geometry Method
73	Figure 8-12 Example Data Report for Figure 8-11
74	Figure 8-13 Position at MMC Applied to the Axis of a Cylinder, Surface Method
75	Figure 8-14 Example Data Report for Figure 8-13
76	Figure 8-15 Position at LMC Applied to the Axis of a Cylinder, Resolved Geometry Method
77	Figure 8-16 Example Data Report for Figure 8-15
78	Figure 8-17 Position at LMC Applied to the Axis of a Cylinder, Surface Method Figure 8-18 Example Data Report for Figure 8-17
79	Section 9 Measurement Data Reporting for Profile Tolerances 9.1 GENERAL 9.2 PROFILE OF A LINE DATA 9.2.1 Method B Data for Profile of a Line Tolerances 9.2.2 Method C Surface Deviations for Profile of a Line Tolerances 9.3 PROFILE OF A SURFACE DATA 9.3.1 Method B Data for Profile of a Surface Tolerances
80	9.3.2 Method C Surface Deviations for Profile of a Surface 9.4 PROFILE OF A LINE OR PROFILE OF A SURFACE DATA WHEN THE DYNAMIC TOLERANCE ZONE MODIFIER IS SPECIFIED
81	Figure 9-1 Profile of a Surface, Equal Bilateral Tolerance Zone
82	Figure 9-2 Example Data Report for Figure 9-1
83	Figure 9-3 Profile of a Surface, Unequal Tolerance Zone
84	Figure 9-4 Example Data Report for Figure 9-3
85	Figure 9-5 Dynamic Profile
86	Figure 9-6 Example Data Report for Figure 9-5
87	Section 10 Measurement Data Reporting for Runout Tolerances 10.1 GENERAL 10.2 CIRCULAR RUNOUT 10.3 TOTAL RUNOUT
88	Figure 10-1 Circular Runout Figure 10-2 Example Data Report for Figure 10-1
89	Figure 10-3 Total Runout Figure 10-4 Example Data Report for Figure 10-3
90	Section 11 Measurement Data Reporting for Patterns of Features 11.1 GENERAL 11.2 PATTERNS OF FEATURES 11.3 REDUCED REPORTING OF METHOD B DATA FOR PATTERNS OF FEATURES 11.4 DATUM REFERENCE FRAME SHIFT AND SIMULTANEOUS REQUIREMENTS 11.5 LOWER SEGMENTS OF A COMPOSITE FEATURE CONTROL FRAME
91	Figure 11-1 Position at MMC Applied to the Axes of a Pattern of Two Coaxial Cylindrical Features, Surface Method Figure 11-2 Example Data Report for Figure 11-1
92	Figure 11-3 Position at MMC Applied to the Axis of Two Parallel Holes With a Partially Constrained Datum Reference Frame, Resolved Geometry Method
93	Figure 11-4 Example Data Report for Figure 11-3
94	Figure 11-5 Position at MMC and Datum Reference Frame Shift, Resolved Geometry Method
95	Figure 11-6 Example Data Report for Figure 11-5
96	Figure 11-7 Example of Profile of a Surface Applied to a Pattern
97	Figure 11-8 Example Data Report for Figure 11-7
98	Figure 11-9 Profile of a Surface for Coplanar Surfaces
99	Figure 11-10 Example Data Report for Figure 11-9
100	Figure 11-11 Composite Position at MMC Applied to the Axes of Patterns of Cylindrical Features, Resolved Geometry Method
101	Figure 11-12 Example Data Report for Figure 11-11
102	Figure 11-13 Composite Profile Applied to a Pattern of Features
103	Figure 11-14 Example Data Report for Figure 11-13
104	Section 12 Measurement Data Reporting for Features That Are Not Orthogonal to the Datum Reference Frame 12.1 GENERAL 12.2 DATA REPORTING USING REPORTING COORDINATE SYSTEMS FOR FEATURES NOT ORTHOGONAL TO THE DATUM REFERENCE FRAME
105	Figure 12-1 Using Reporting Coordinate Systems for Features Not Orthogonal to the Datum Reference Frame
106	Figure 12-2 Example Data Report for Figure 12-1
107	MANDATORY APPENDIX I REASONS CHARACTERISTIC IDENTIFIERS SHALL NOT BE APPLIED TO BASIC DIMENSIONS I-1 CHARACTERISTIC IDENTIFIERS SHALL NOT BE APPLIED TO BASIC DIMENSIONS
108	Figure I-1 Examples Showing the Impracticality of Numbering Basic Dimensions
109	NONMANDATORY APPENDIX A EXAMPLES OF METHOD C DATA A-1 METHOD C DATA EXAMPLES