Nov 13, 2019 · Gentlemen, What about this approach: If a feature is defined with a stand-alone FCF geometrical tolerance then should have its applicable basic dimensions shown and boxed. If a …

Jul 16, 2014 · Dimension, Basic. A numerical value used to describe the theoretically exact size, profile, orientation, or location of a feature or datum target. See Fig. 3-7. It is the basis from which …

Apr 21, 2012 · A basic dimension really just represents the concept of what dimensions always were before the time someone invented the system of implied tolerances, just the ideal size or location on …

Nov 17, 2010 · The 27mm basic dimension is based on your drawing without a tolerance, it could be anywhere on that section of the part and still meet the print. I suggest you study the standard for …

Apr 1, 2016 · According to ASME standard shall I use UNTOLERANCED DIMENSIONS ARE BASIC When position and profile of surface specified in drawing to indicate corresponding dimensions are …

BSC per AMSE Y14.5-1994 represents a "basic" dimension. A basic dimension is one that has no tolerance. It consists of a dimension inside of a box. The tolerance will be specified in the feature …

May 3, 2010 · My I use basic dimension on a drawing to show a theoretically exact dimension, without til use of a datum and feature ? In this case the basic dimension, will be given by 2 dimension …

Mar 10, 2019 · If in Fig 4-53/ ASME Y14.5- 2009 basic radii R40.5 is changed to basic diameter Ø81 (from radius to diameter), does this modification alter in any way the meaning of the drawing or more …

Jul 25, 2006 · TYPICAL or TYP indicates the number of places the geometry feature or dimension appears on a drawing It could be in ANSI/ASME Y1.1-1989 Abbreviations for Use on Drawings and …

Feb 7, 2020 · This wouldn't really change anything in the meaning of the position tolerance of 0.8 applied to the slot, but according to the logic that basic dimensions have variation, it would require …