ASME Y14.46 2022

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ASME Y14.46-2022 – Product Definition for Additive Manufacturing

Published By	Publication Date	Number of Pages
ASME	2022	52

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Description

This Standard covers the definitions of terms and features unique to additive manufacturing (AM) technologies with recommendations for their uniform specification in product definition data and in related documents. Unless otherwise specified, any reference to features, parts, or processes shall be interpreted as applying to parts or assemblies manufactured using an AM process. Additively manufactured parts or assemblies are referred to as â??partsâ?? throughout the Standard. The Standard extends to capturing relevant AM detail from design, manufacturing, and quality engineering.

PDF Catalog

PDF Pages	PDF Title
4	CONTENTS
6	FOREWORD
7	ASME Y14 COMMITTEE ROSTER
9	CORRESPONDENCE WITH THE Y14 COMMITTEE
10	1 GENERAL 1.1 Scope 1.2 ASME Y14 Series Conventions 1.2.1 Mandatory, Recommended, Guidance, and Optional Words 1.2.2 Cross-Reference of Standards. 1.2.3 Invocation of Referenced Standards. 1.2.4 Definitions.
11	1.2.5 Parentheses Following a Definition. 1.2.6 Notes. 1.2.7 Acronyms and Abbreviations. 1.2.8 Units. 1.2.9 Figures. 1.2.10 Precedence of Standards. 1.2.11 Use of an ASME Y14 Case. 1.2.12 Product Definition Without Reference to a Standard. 1.3 Dimensioning and Tolerancing 1.4 Examples
12	1.5 References 2 DEFINITIONS
14	3 SUPPLEMENTAL GEOMETRY 3.1 Coordinate System Identification 3.2 Unit Vector Identification 3.3 Surface Identification
15	Figures Figure 3-1 Single Coordinate System Related to the Model
16	Figure 3-2 Multiple Coordinate Systems Figure 3-3 Unit Vector Indicating Build Direction
17	Figure 3-4 Unit Vector Indicating Gravity Direction Figure 3-5 A Surface Representing a Build Surface
18	4 PRODUCT AND PROCESS DEFINITION 4.1 Geometry Characteristics 4.1.1 Surfaces and Tolerance 4.1.2 Bounded Regions and Tolerances. 4.2 Design Characteristics 4.2.1 Lattice Structures. 4.2.2 Gradient Control.
19	4.3 Process-Related Characteristics 4.3.1 Part Location and Orientation. 4.3.2 Build Specification.
20	4.3.3 Support Structures.
21	4.3.4 Test Coupons. Figure 4-1 Example of a Theoretical Supplemental Surface Used on a Rectangular Lattice Cuboid
22	Figure 4-2 Example of a Nonplanar Theoretical Supplemental Surface Figure 4-3 Example of a Tolerance Zone
23	Figure 4-4 Bounded Surface Region to Indicate Internal and External Surfaces
24	Figure 4-5 Bounded Volume Region Indicator (VOL1) With a Profile of a Surface Tolerance Figure 4-6 Bounded Volume Regions Represented by Several Bounded Volume Region Indicators in a Part
25	Figure 4-7 Bounded Surface Region Indicator Coupled With a Feature Control Frame Figure 4-8 Examples of Unit Cell Geometries and Lattice Structures
26	Figure 4-9 VOL Local Notes That Describe Material Gradient Allocations Shown in Table 4-1 Tables Table 4-1 Material Gradient Values Used in Figure 4-9
27	Figure 4-10 Build Direction Indicated Using the Direction Unit Vector Figure 4-11 Multiple Build Directions
28	Figure 4-12 Planar Build Surface and a Nonplanar Build Surface Figure 4-13 Coordinate Systems Are Used to Locate Parts Within a Build Volume
29	Figure 4-14 Four Separate Parts Nested Inside One Another on a Build Surface Figure 4-15 Free Zone Description With an Offset Dimension
30	Figure 4-16 Free Zone Bounding Box Description Figure 4-17 Layer Thickness Specification
31	Figure 4-18 Specification of a Track Path With Three Contours Figure 4-19 Specification of a Track Path Using a Follow Boundary (FB) Modifier
32	Figure 4-20 Specification of Track Paths on Different Layers Figure 4-21 Examples of Infill and Unit Volumes
33	Figure 4-22 Example Where Support Structure Location Is Not Specified Figure 4-23 Example Where Bounded Surface Region 1 (SURF1) Is Annotated to Indicate a Structure Exclusion Area (SEA)
34	Figure 4-24 Example Where SURF1 Is Annotated to Indicate a Structure Limiting Area (SLA) of 20% Figure 4-25 Example Where SURF1 Is Annotated to Indicate a Structure Required Area (SRA)
35	Figure 4-26 Indication of Geometry Created Inside the Part to Specify Support Structure Figure 4-27 Local Notes Identifying Test Coupons
36	5 PRODUCT DEFINITION DATA SETS 5.1 General 5.2 Product Definition Data Set Types 5.3 PDDS Type Contents 5.3.1 AM Design PDDS. 5.3.2 AM Build PDDS. 5.3.3 AM Processed PDDS. 5.3.4 End Product PDDS. 5.4 Model Schema and Organization Table 5-1 Required and Optional Data Sets for AM Products
37	Table 5-2 Required and Optional Elements Within the AM Design PDDS Table 5-3 Required and Optional Elements Within the AM Build PDDS
38	Table 5-4 Required and Optional Elements Within the AM Processed PDDS Table 5-5 Required and Optional Elements Within the End Product PDDS Table 5-6 Examples of AM Use Cases Using the Codes in ASME Y14.47 to Show the Level of Content in an AM Data Set Type
39	Table 5-7 Examples of Metadata for Model-Based Definition (MBD) Data
40	NONMANDATORY APPENDIX A EXAMPLE AM NOTES A-1 INTRODUCTION A-2 PRODUCT NOTES A-3 PROCESS NOTES
41	NONMANDATORY APPENDIX B DEFINING TRANSITION REGIONS B-1 INTRODUCTION B-2 MATERIAL GRADIENT DEFINITION
42	Figure B-1 Material Transition Specification Between Bounded Volume Regions With Lattice Fill
43	Figure B-2 Part With Material Transition Region (Heterogeneous Material Indicator) and Specification of Tolerance Figure B-3 Acceptable Void Fractions for MAT1 and MAT2
44	Figure B-4 Allowable Material Fractions for MAT1 and MAT2
45	NONMANDATORY APPENDIX C REFERENCE DOCUMENTS TO TEST FOR CONFORMANCE C-1 INTRODUCTION C-2 TESTING FOR CONFORMANCE C-3 REFERENCES
46	Table C-1 Select Reference Documents
47	NONMANDATORY APPENDIX D COMPLEX GEOMETRY AND FORWARD WORK D-1 COMPLEX GEOMETRY D-2 CONSIDERATIONS FOR DESIGN FOR ASSEMBLY
48	Figure D-1 Complex Geometries Generated From Topology Optimization
49	Figure D-2 Wrench Produced as a Single Build With Three Parts