Basics
Most blueprints are created by engineers and relay the information needed to produce a part through what three main elements:
The Drawing, Dimensions, Notes
Where does 1st angle projection place the bottom view?
Above the principal view
Title blocks are located in the _____________________ of the blueprint.
lower right-hand corner
______________ identify surfaces, edges, or corners of an object that are hidden behind other elements of the object.
Hidden lines
_____________ dimensions show how deep a hole, groove, or pocket is.
Depth
A blueprint drawing may consist of multiple views to help convey all necessary information as well as to help visualize the what?
The Finished Part
Where does 1st angle projection place the left view?
to the right of the principal view
What are values used to communicate the desired size and location of geometric characteristics?
Dimensions
___________ are thick solid lines.
Object lines
________________ dimensions show the vertical length of a characteristic.
Height
ANSI standards are developed by a committee made up of personnel from industry, technical organizations and ________.
Education
_________ drawings identify the components of the product using part numbers
Assembly Drawings
Located directly above the title block, these notes include information that applies to the whole drawing. What are these notes called
General Notes
___________________ are thin, long alternate lines separated by short dashes.
Center lines
R is the abbreviation for
Radius
Blueprint drawings are _________________________ of parts to be manufactured
exact representation
_____ description is the identification of size and location for each feature on a part
Size
Using leader lines to designate the area of interest, these notes usually identify specific information about that particular area or object being pointed to. What are these notes called?
Local Notes
___________________ identify an alternate position for a moving part.
Phantom lines
____________ dimensions show the horizontal length of a characteristic.
Width
The main two organizations that are responsible for developing blueprint standards are:
International Organization for Standards
American National Standards Institute
3rd angle projection places the principal view which is typically _____________________ in the center of the drawing.
the front view
When a design engineer creates an original drawing from an idea, that drawing is known as an engineering drawing. That engineering drawing then gets copied, this copy is known as a what?
Blueprint
_________________ are made up of dashes and two arrows which point in the direction of sight when a partial view is used.
Viewing-plane lines
What are the two dimensioning standards for threaded fasteners?
American National Standard
Unified