Dibujo tecnico

Páginas: 12 (2797 palabras) Publicado: 20 de mayo de 2010
Course: ENG 108 – Introduction to Engineering Drawing Theory Instructor: Mark Ramsey Duration: Clock Hours – 42 Credits – 1.5

Text Needed: Technical Drawing, and Technical Drawing Problems, Giesecke, Mitchell, Spencer, Hill, Dygdon, Novak; Interpreting Engineering Drawings, Jensen and Hines Drafting Equipment: See Reference A. General Objectives: Complete the following units and their specificobjectives: 108 1 Discuss introduction to drafting. 108 2 Identify basic tools and lines. 108 3 Identify major equipment. 108 4 Describe use of inking tools and techniques. 108 5 Describe Use of lettering. 108 6 Describe Use of architect’s scale. 108 7 Describe use of civil engineer’s scale. 108 8 Describe Use of metric scale. 108 9 Describe sketching techniques. 108 10 Describe geometricconstruction 108 11 Describe orthographic views. Specific Objectives: Introduction to Drafting: After completion of this unit, the student should be able to define drafting, select areas of specialization within the drafting profession, and name areas in which a drafter and a drawing will be evaluated. The student should also be able to develop an organizational chart for a typical engineeringdepartment. After completion of this unit, the student should be able to: 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. Match terms related to drafting with their correct definitions. Write a definition of drafting. Select areas of specialization in the drafting profession. List industries that employ drafters. Name related occupational fields that employ drafters. Match job descriptions withtheir correct job titles. Arrange in order the sequence for the completion of drafting work. Match job classifications within a manufacturing structure with their correct definitions. Distinguish between the advantages and disadvantages of a drafting occupation. Select minimum qualification for a drafter trainee, drafter, designer, licensed engineer, and licensed architect. Select personal traitsthat are important for a successful drafter. Select five related skill important for a successful drafter. Name areas in which a drafter will be evaluated. Name areas in which a drawing will always be evaluated. Define the abbreviations of professional drafting organizations. Name advantages enjoyed by drafters who join a professional organization. Develop an organizational chart for a typicalengineering department.

ENG 108 – Page 2 Basic Tools and Lines: After completion of this unit, the student should be able to identify basic drafting tools, demonstrate the ability to use various drafting tools and properly care for them. The student should also be able to name the types and sizes of lines, list the uses of lead, plastic lead, and ink, and relate grades of lead to their uses. 1. 2.3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. Match terms related to basic tools and lines with their correct definitions. Identify the angles found on the two standard triangles. State the purpose for using a standard triangle. List three types of compasses. Identify the three types of dividers. List four types of irregular curves. List five types of common templates.Identify tools used to erase and/or clean a drawing surface. Select true statements concerning rules for maintenance and care of drafting tools and equipment. Identify the basic types of lines. Distinguish between the disadvantages of hard and soft leads. Select suggested line widths for linework. Distinguish between the advantages and disadvantages of ink, lead, and plastic lead. Match lead, plasticlead, and ink with their comparable reproduction qualities. Describe non-reproducible lead. Draw lines on a drawing medium using lead and plastic lead. Divide a circle into 24 parts of 15 by using the 30°, 60° and 45° triangle. Use a compass to draw circles and arcs. Use a divider. Measure angles with a protractor. Use an irregular curve to construct a curved line.

Major Equipment: After...
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