Chapter 5 (Drafting II)
Terms in this set (29)
Text placed on a technical drawing that faces the bottom and the right side of the sheet.
The national organization for the development of standards in the US.
A group of linear dimensions that are referenced from the same datum or baseline.
An experienced designer/drafter with expertise in manufacturing, drafting techniques, and dimensioning conventions who is responsible for reviewing and approving the drawings prepared by other drafters.
Computer Aided Manufactering
Manufacturing processes in which manufacturing equipment and processes are controlled by computer commands.
A dimensioning technique in which a linear dimension is placed using the second extension line origin of a selected dimension as its first extension line origin.
A theoretically perfect feature (plane, axis, or point) from which dimensions are referenced.
Dimensioning rules that have been created to standardize dimensioning styles and techniques.
Geometric Dimensioning and Tolerancing
A dimensioning technique that is used to control the form (flatness, straightness, circularity, and cylindricity), orientation (perpendicularity, angularity, and parallelism), or position of a parts features.
International Standards Organization
The international organization for the development of standards including technical drawing and dimensioning standards.
A dimension that describes the general size of a feature. Tolerances are applied to this dimension.
Quality Control Inspection
A step in the manufacturing cycle performed by a quality control inspector using precise measuring equipment to determine the actual size of the part.
The total permissible variation in the size and/or shape of the objects features as defined by applying tolerances to the nominal size dimension.
Text placed on a technical drawing that faces only the bottom of the sheet.
What is a tolerance?
Is the permissible limit or limits of variation
What does ISO stand for?
International Organization for Standards
What is a Datum?
A piece of info
Who is responsible for calculating tolerances on an engineering drawing?
Is the diameter of a hole a size or a location dimension?
In the US, what is the name of the organization that publishes a dimensioning standard for engineering drawings?
What does the term CAM stand for?
Computer Aided Manufacturing
What is the reference dimension?
Dimension on engineering drawing for information only
What is meant by nominal size?
In name only for identification
Which method of labeling text complies with the ASME standard: unidirectional or aligned?
Dimension style tab where precision is defined
Dimension style tab where the orientation of arrowheads on circles and arcs are defined
Dimension style tab where text is described
Dimension style tab where center mark is defined
Symbols and Arrows
Dimension style tab where arrow size is defined
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