terms for drafting Flashcards
How is an original concept or idea first communicated to others?
Technical Sketch “Graphic representation”
What are the basic habits related to technical drawing necessary for success as an engineer, designer, or technician
Neatness
Speed
Accuracy
Legibility
What do we call a graphic representation of a real thing, proposed design or imagined engineering change?
Technical drawing
What is the difference between Artistic and Technical drawing?
Artistic drawing expresses aesthetic, philosophic, or other abstract ideas whereas Technical drawing is a distinct form of drawing which follows rules and standards (objects to be built or constructed)
What are the stages of the design process?
Problem Identification
Ideation
Refinement/Analysis
Implementation/Documentation
Who sets the standards for technical drawing (drafting) in order to ensure the uniformity of graphic language?
ANSI-American National Standards Institute
ASEE-American Society of Engineering Education
SAE-Society of Automotive Engineers
ASME-American Society of Mechanical Engineers
(American National Standard Drafting Manual)
What type of projection can be described when the observers eye is imagined as infinite distance from the object and the plane of projection, the projectors are parallel, and perpendicular to the plane of projection?
Orthographic (means right-angle)
Isometric
Obliques
A projection or drawing is produced on a plane by points where?
Piercing points that pierce the plane of projection
What kind of scale is used to draw Maps
Engineers
What kind of scale is used to draw Buildings?
Architects
What kind of scale is used to draw Machine parts?
Mechanical Engineers (metric)
Light vertical and horizontal lines guidelines are used when
Lettering
The height of lettering is most commonly how tall?
3 mm (1/8”)
The ratio between the size in the drawing and size of the actual object is referred to as
Scale
What type of information is found in the title block?
The Company Information
List Company Information
Name Drawing Title Drawing number Sheet revision Block Approval Block Scale Drawing Size Sheet Number Cage Code Weight
Name of the line for a thick dark line used to draw the features of an object is?
Visible lines or object lines
Name of a thin dashed line used to draw features of an object not visible in the view seen
Hidden Line
Name of thin lines with arrows attached used to dimension drawings
Dimension Line
Name of thin lines used to determine the beginning and ending points of dimensions
Extension Line
Section line are used for
To show a cutaway view
Section lines look like
Angle lines in the object
What are cutting plane lines used for?
Shows where the object was cut and from which direction
What do cutting plane lines look like?
Thick dashed lines with arrows at the ends