DESIGN AND DRAWING FOR PRODUCTION

Welcome To Hoosic Valley High School

with Mr. Struwing

 

     

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Exam Review

 

 

 

 

 

 

 

 

NOTES AND LESSONS

 

 

 
 
 
 
 
 
 

NOTES AND LESSONS

 
 
 
 
 
 
 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

auxiliary view A view drawn at a right angle to an angled feature of the part. Auxiliary views best illustrate angled surfaces.
blueprint A document containing all the instructions necessary to manufacture a part. The key sections of a blueprint are the drawing, dimensions, and notes.
break line A line used to define the boundary of an imaginary broken-out section or to shorten dimensions that are excessively long. Break lines are wavy and irregular.
broken-out section A section view resulting from an imagined cut that removes a small portion of the part exterior.
center line A line used to define the center of a symmetrical part. Center lines consist of alternating long and short dashes.
change block The area of the blueprint indicating any changes or revisions made to the part drawing or dimensions.
cutting plane A line used to define the location of the imaginary cut that creates the matching section view. Cutting plane lines consist of two short dashes alternating with a longer dash.
dimension The desired measurement of a feature on a part.
dimension line A line used to define the measurement of a part feature. Dimension lines consist of a solid line with arrows at both ends and a dimension in the center.
drawing The collection of lines illustrating the shape and features of a part.
extension line A line used to visually connect the ends of a dimension line to the relevant feature on the part. Extension lines are solid and are drawn perpendicular to the dimension line.
full section A section view resulting from an imagined cut down the entire length of the part.
half section A section view resulting from an imagined cut that removes only a portion of the part length.
hidden line A line used to define a part feature that is not visible in a specific view. Hidden lines consist of a series of short dashes.
leader line A thin line with an arrow head that is often positioned at an angle and is used to tie a dimension to a feature, especially when there are space limitations.
note An additional instruction or general comment added to a blueprint. Notes contain information about the material, finish, tooling, tolerances, etc.
object line A line used to define the shape and size of a part feature. Object lines are solid.
offset section A section view resulting from an imagined cut that does not follow a straight line. Offset sections are used to include features that do not reside on a straight line.
orthographic drawing A drawing that communicates the shape and size of an object through a series of related two-dimensional views.
reference dimension A dimension that is not crucial for the effective use of the part. Reference dimensions are not inspected.
repetitive dimension A dimension that is marked to indicate the number of locations for the particular measurement.
revolved section A section view resulting from an imagined cut that removes and rotates a wafer taken from the middle of a part feature.
scale The area of the blueprint indicating the relationship between the drawing size and the actual part size.
section line A line used to identify the imagined cut portion of a part in a section view. Section lines appear as a series of diagonal lines drawn close together.
section view A view illustrating a rotated section resulting from an imagined cut in the part. Blueprints may contain a variety of different section views.
title block The area of the blueprint containing company name, address, part number, etc. Title blocks are unique to each manufacturer.
tolerance The acceptable variation from a specified dimension.
typical dimension A dimension that is assumed to be the same for similar features of the part.

 

 

VOCABULARY