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Interpret imperial and metric print information
Assessment Strategies
Demonstration
Criteria
describe the basic concept of base 10 numbering that constitutes the metric system compared to standard numbering
make conversions from standard to metric, and metric to standard system using charts or tables
make conversions from standard to metric, and metric to standard system without charts or tables using conversion formulas
identify features from standard and metric orthographic views.
describe features found on metric system drawings compared to standard system drawings
match standard and metric drawing symbols to representation on print
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Draw an orthographic projection
Assessment Strategies
Drawing/Illustration
Criteria
explain the unique features of an orthographic projection
select prints that are 3rd angle from those that are 1st angle
review the 6 surfaces in an orthographic projection
draw various line types and weights to represent specific information
analyze an object to determine the required views for an orthographic projection
sketch using both 1st and 3rd angle projection views
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Dimension a drawing
Assessment Strategies
Demonstration
Criteria
add dimensions to the drawing or sketch of a simple part
scale and clean up the sketch
draw line leaders of the correct weight
place dimension lines according to convention
add needed measurements and remove unnecessary dimensions
examine for all normal, inclined, and oblique surfaces
examine for all flat, curved, or circular surfaces
examine for hidden lines, surfaces or holes
draw in a professional manner
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Interpret section views
Assessment Strategies
Critique
Criteria
explain the unique features of section views
review the use of cutting lines to reveal certain section views
analyze an object and visualize the view that the section view is depicting
explain how to identify different surfaces depicted in a section view
calculate sub-part sizes and dimensions in a section view
relate a section view to the total part
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Interpret surface texture symbols
Assessment Strategies
Drawing/Illustration
Criteria
describe surface measuring techniques
describe the various types of surface textures
identify surface texture symbols
define and use surface texture terminology
break down the steps required to create a specific texture
correlate the manufacturing process to lay pattern
explain the individual parts of surface texture symbols
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Interpret threaded screw component specifications
Assessment Strategies
Demonstration
Criteria
explain the three methods of representing threads on an engineering drawing
identify washer styles for various applications
identify graded steel fasteners by the head markings
describe fastener plating and finish specifications commonly depicted on an engineering drawing.
relate machining operations such as for chamfers and necks to threaded components
use screw thread terminology
interpret screw thread specifications
interpret screw thread representations
use screw pipe thread terminology
interpret pipe thread specifications
interpret pipe thread representations
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Summarize information from an assembly drawing
Assessment Strategies
Demonstration
Criteria
interpret an assembly drawing for information required by the trade
locate specific information on the assembly drawing
describe piece orientation from the drawing
use correct nomenclature
identify drawing parts