Standard
DDF 103 - Size and Shape Description II

Course Description

 

Continues dimensioning skill development and introduces sectional views.  Topics include:  advanced dimensioning practices and section views.

         

Competency Areas

 

Hours

 

Advanced Dimensioning Practices

 

Class/Week

1

Section Views

 

D. Lab/Week

9

 

 

P. Lab/Week

 

 

 

Credit Hours

5

                         

Prerequisite/Corequisite:  DDF 102

   

Course Guide

 

Competency

After completing this section, the student will:

Hours

 

Class

D.Lab

P.Lab

ADVANCED DIMENSIONING PRACTICES

5

40

 

Principles

State the two basic methods used to give distance on a drawing.

 

Explain the use of a datum.

 

Explain the purpose of dual dimensioning.

 

Explain the purpose for specifying surface texture.

 

Explain roughness, roughness height, roughness width, roughness-width cutoff, and waviness as applied to surface texture.

 

Identify the lay symbols according to ANSI Standard Y14.36.

 

 

 

Dimensioning

Dimension an object with holes.

 

Dimension a chamfer and taper.

 

Dimension an object from a datum.

 

Dimension an object using the dual dimensioning method.

 

Dimension a machined part using surface texture symbols.

 

 

 

SECTION VIEWS

5

50

 

Principles

State the purpose of sectional views.

 

Describe full, half, broken-out, rotated, removed, auxiliary, and assembly sections.

 

Identify the material symbols used in section lining.

 

 

 

Techniques

Draw and dimension an object with a full section.

 

Draw and dimension an object with a half section.

 

Draw and dimension an object with a broken-out section.

 

Draw and dimension an object with a rotated or removed section.

 

Draw and dimension an object with an auxiliary section.

 

 

 

  

Suggested Resources

Suggested Resources include textbooks shown below or most current edition.

 

Arnbal, C. A., & Crawford, J. V.  (1982).  Problems in engineering graphics.  Dubuque, IA: Kendall-Hunt.

Croft, F. M., et al.  (1989).  Engineering graphics.  New York: John Wiley & Sons.

Dent, J. B., et al.  (1987).  Fundamentals of engineering graphics (4th ed.).  New York: Macmillan.

Eide, A. R., et al.  (1985).  Engineering graphics fundamentals.  New York: McGraw-Hill.

Eide, A. R., et al.  (1987).  Engineering graphics problems book II to accompany engineering graphics fundamentals (6th ed.).  New York: McGraw-Hill.

French, T. E., et al.  (1986).  Engineering drawing & graphic technology (13th ed.).  New York: McGraw-Hill.

Giesecke, F. F., et al.  (1989).  Principles of engineering graphics.  New York: Macmillan.

Jensen, C. H., & Helsel, J. D.  (1989).  Engineering drawing & design (4th ed.).  New York: McGraw-Hill.

Luzadder, W. J., & Duff, J. M.  (1989).  Introduction to engineering drawing.  Englewood Cliffs, NJ: Prentice Hall.

O'Bryant, D. C., et al.  (1987).  Problems in engineering graphics.  Champaign, IL: Stipes.

Rogers, H.  (1986).  Problems book: Engineering drawing & graphic technology (13th ed.).  New York: McGraw-Hill.

Spence, W. P.  (1985).  Engineering graphics workbook (Vol. 1) (2nd ed.).  Englewood Cliffs, NJ: Prentice Hall.

Spence, W. P.  (1985).  Engineering graphics workbook (Vol. 3).  Englewood Cliffs, NJ: Prentice Hall.

Spence, W. P.  (1988).  Engineering graphics (2nd ed.).  Englewood Cliffs, NJ: Prentice Hall.