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ASME Y14.5 2009 VS Y14.5 2013 FULL
Dimensioning and tolerancing shall be complete so there is a full understanding of the characteristics of each feature Each necessary dimensions of an end product shall be shown. The tolerance may be applied directly to the dimension, indicated by a general note, or located in a supplementary block of the drawing format. NEW DEFINITIONS contd’ Related Actual Mating Envelope: A similar perfect feature (s) counterpart expanded within an internal feature (s) or contracted about an external feature (s), while constrained either in orientation or location or both to the applicable datum (s).Įach dimension shall have a tolerance, except for those dimensions specifically identified as reference, maximum, minimum, or stock. Unrelated Actual Mating Envelope: A similar perfect feature (s) counterpart expanded within an internal feature (s) or contracted about an external feature (s), and not constrained to any datum (s). For example: Machine tables, surface plates, a mandrel.
ASME Y14.5 2009 VS Y14.5 2013 SIMULATOR
Datum Feature Simulator (Physical): The physical boundary used to establish a simulated datum from a specified datum feature. NEW DEFINITIONS Datum Feature Simulator (Theoretical): The theoretically perfect boundary used to establish a datum from a specified datum feature. NEW DEFINITIONS FUNDAMENTAL RULES MODIFIERS DOF CONSTRAINED BY PRIMARY DATUM MATHEMATICALLY DEFINED DATUM FEATURE CONTOURED DATUM FEATURE AT RMB CONSTRAINING A ROTATIONAL DOF CONTOURED DATUM FEATURE AT MMB CONSTRAINING A ROTATIONAL DOF OFFSET PLANAR DATUM FEATURE AT RMB CONSTRAINING A ROTATIONAL DOF OFFSET PLANAR DATUM FEATURE AT SET A BASIC CONSTRAINING A ROTATIONAL DOF OFFSET PLANAR DATUM FEATURE AT MMB CONSTRAINING A ROTATIONAL DOFĭATUM FEATURE OF SIZE AT RMB CONSTRAINING A ROTATIONAL DOF DATUM FEATURE OF SIZE AT RMB WITH TRANSLATION MODIFIER CONSTRAINING ROTATIONAL DOF DATUM FEATURE OF SIZE AT RMB CONSTRAINING A ROTATIONAL DOF DATUM FEATURE OF SIZE AT RMB WITH TRANSLATION MODIFIER CONSTRAINING A ROTATIONAL DOF CUSTOMIZED REFERENCE FRAME CONSTRUCTION APPLICATIONS OF CUSTOMIZED REFERENCE FRAME CONSTRUCTION Dimensioning & Tolerancing ASME Y14.5-2009 (Revision of ASME Y14.5M-1994