Mar 7, 2025 · My drawings are created (& read) in 3D format (MBD). I read an article that basic dimensions can be omitted in MBD; the main advantage being shorter dimensioning time. I only …

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 …

Aug 31, 2017 · Those actual dimensions are recorded and compared to the basic dimensions to find the delta from each X & Y Basic Dimension (True Position). The outcome after the position calculation is …

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 …

Aug 30, 2022 · A basic dimension is a theoretcally exact dimension. There are other uses of basic dimensions beside providing a basis for a tolerance zone related to a value noted in feature control …

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 …

Oct 8, 2004 · How do you determine the tolerance of a basic dimension? I know that a basic dimension is the theoretically exact size of a characteristic, but in manufacturing an item, even these …

Oct 12, 2004 · The spacing can also be defined by basic dimensions if necessary. At t.p. tolerance frame can then control the location of the holes relative to the basic dimensions, without reference to …

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 …

Mar 31, 2015 · Put the basic dimensions to the center of the slot, then dimension length & width of slot. Apply position tolerances separately to the width and then length of the slot as these are the …