Mar 10, 2025  
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Course/Program Inventory

CAD 4080 - Mechanical Design II


Clock Hours: 396

Delivery Mode
on-ground

Prerequisites: Detail Drafter Certificate (864 Hours)

Industry Certifications Elective - AutoDesk Certified Professional, Certified Solidworks Associate, Certified Solidworks Professional, ADDA Certified Drafter

Course Description:
Coverage of this unit of instruction is intended to teach the student about manufacturing processes, materials and their properties, tools, fabrication techniques, standardization, planning, control, precision measurement and the methodology associated with the design process.

The tolerancing unit is to provide the student with the necessary information, techniques, and activities to correctly apply precision dimensions and tolerances. 

The student will also gain a thorough understanding of creation, fabrication and joining of objects from flat stock such as sheet metal as well as detailing the intersection of solids.  Coverage of this unit is intended to acquaint the student with the terminology, explain the methods and provide the student with practical application in sheet metal layout. Patent Drawings will also be covered to provide the student with the necessary information to develop drawings suitable for submission to the U.S. Patent Office.

Special fields category will be visited and may vary depending on the needs of local industry, the school or the individual student. The areas shown are given as examples. Consult the curriculum of the individual school for specific requirements and offerings. The intent of this unit is to provide for additional flexibility in the mechanical drafting course to meet local needs. 

The Student will also cover material specific to Tool Design. Tool design relates to the design, layout and development of the tooling, fixtures, jigs, dies and related components necessary to support the manufacture of goods. This module is designed for mechanical students with a desire to work in tooling design. Practical applications involving the design and drawing of tools and fixtures will be covered.

Student Learning Outcomes:

  1. Sheet Metal Drafting
  • Layout and development of common shapes such as prisms, pyramids, cones and cylinders.
  • Development of transitions between different shapes.
  • Knowledge of sheet metal hems and joints.
  • Graphical solution of intersecting components.

B.  Tool Design Drawings

  • Understanding tool design terms and practices.
  • Development of tool designs for specific applications.
  • Selection and specification of standard parts in tooling.  Creation and dimensioning of tooling drawings. 

C.  Patent Drawings

  • Understanding the requirements of the U.S. Patent Office.
  • Describing the features that distinguish Patent Drawings from other methods of representation.
  • Creation of a Patent Drawing. 

D.  Tolerancing

  • Understanding terminology associated with precision dimensioning and tolerancing.
  • Reading and creating limit dimensions.
  • Identification and application of clearance, interference and transitional fits.
  • Calculation of shaft and hole tolerances using ANSI charts.
  • Application of unilateral and bilateral tolerances.
  • Dimensioning of mating parts.
  • Comprehension of the process, terms and application of Geometric Dimensioning and Tolerancing, (GD & T).
  • Drawing and specifying geometric tolerancing symbols.
  • Application of position and geometric tolerances.
  • Understanding of standards such as ANSI and ISO associated with tolerancing.