Active Outline

General Information

Course ID (CB01A and CB01B)
DMT D082.
Course Title (CB02)
Advanced Conventional Machine Tools, Tool Design, Abrasive Machining
Course Credit Status
Credit - Degree Applicable
Effective Term
Fall 2021
Course Description
Advanced machining and abrasive machining practices using conventional machine tools and surface grinders. Introduction to fixture design including location, clamping methods and computation of fits and allowances.
Faculty Requirements
Course Family
Not Applicable

Course Justification

Machining Practices Using Conventional Machine Tools, Tool Design, Abrasive Machining is an employment preparation course for our Design and Manufacturing Technologies day and evening programs. This CTE, CSU transferable course is intended to better prepare students for work in the advanced manufacturing and machining industry as a conventional machinist with emphasis on abrasive machining as advised by our industry advisory committee. This course is also a part of the CNC/Research & Development Machinist degree and certificate in the Design and Manufacturing Technologies program.

Foothill Equivalency

Does the course have a Foothill equivalent?
No
Foothill Course ID

Course Philosophy

Formerly Statement

Formerly Statement
(Formerly MCNC D077.)

Course Development Options

Basic Skill Status (CB08)
Course is not a basic skills course.
Grade Options
  • Letter Grade
  • Pass/No Pass
Repeat Limit
0

Transferability & Gen. Ed. Options

Transferability
Transferable to CSU only

Units and Hours

Summary

Minimum Credit Units
5.0
Maximum Credit Units
5.0

Weekly Student Hours

TypeIn ClassOut of Class
Lecture Hours3.06.0
Laboratory Hours6.00.0

Course Student Hours

Course Duration (Weeks)
12.0
Hours per unit divisor
36.0
Course In-Class (Contact) Hours
Lecture
36.0
Laboratory
72.0
Total
108.0
Course Out-of-Class Hours
Lecture
72.0
Laboratory
0.0
NA
0.0
Total
72.0

Prerequisite(s)

DMT D080. with a grade of C or better or equivalent

Corequisite(s)

Advisory(ies)

Limitation(s) on Enrollment

Entrance Skill(s)

General Course Statement(s)

Methods of Instruction

Lecture and visual aids

Discussion of assigned reading

Discussion and problem solving performed in class

Quiz and examination review performed in class

Homework and extended projects

Laboratory discussion sessions and quizzes that evaluate the proceedings weekly laboratory exercises

Assignments

  1. Lab projects demonstrating mastery of skills using the machines and equipment covered in this course.
  2. Take home worksheets involving fit and locational calculations.
  3. Reading from textbook and trade references.

Methods of Evaluation

  1. Completion and accuracy of take home worksheets, with emphasis on use of correct calculations and formulas
  2. Manufacturing rubric used to evaluate and inspect laboratory projects and exercises.
  3. Comprehensive, objective final exam that requires students to accurately apply concepts covering lecture material and lab demonstrations throughout the course.

Essential Student Materials/Essential College Facilities

Essential Student Materials: 
  • None.
Essential College Facilities:
  • Conventional machine tool manufacturing lab

Examples of Primary Texts and References

AuthorTitlePublisherDate/EditionISBN
Peter Hoffman, Eric Hopewell, Brian Janes and Kent Sharp, "Precision Machining Technology 2nd Edition" New York: Delmar, Cengage Learning, 2015
DMT Staff, Design and Manufacturing 82 Syllabus. Cupertino: °®¶¹´«Ã½ College, 2018.

Examples of Supporting Texts and References

AuthorTitlePublisher
Jones, Franklin and Erik Oberg, "Machinery's Handbook 30th edition" New York: Industrial Press, 2016.

Learning Outcomes and Objectives

Course Objectives

  • Describe elements of fixture design for lathes and mills including location, clamping and alignment procedures.
  • Describe abrasive machining applications and select the proper grinding wheel abrasive, bond, and structure for wide variety of operations.
  • Calculate fits and allowances as applied to mechanical components.
  • Demonstrate advanced lathe and milling operations such as offset boring and single point threading.

CSLOs

  • Analyze, construct, and inspect assigned machined projects using advanced principles of machining.

  • Demonstrate safe operation of specialized machining equipment to construct advanced assemblies.

Outline

  1. Describe elements of fixture design for lathes and mills including location, clamping and alignment procedures.
    1. Base plate and location methods
      1. Flat surface; button, pin & bar locators
      2. Cylindrical surface; conical & V locators
      3. Irregular surface; pin & sightline locators
      4. Location from holes, pin & diamond locators
    2. Clamps
      1. Types and applications
      2. Placement and movement
    3. Pushers, jacks and support components
  2. Describe abrasive machining applications and select the proper grinding wheel abrasive, bond, and structure for wide variety of operations.
    1. Surface grinder, applications, set-up and operation
      1. Flat, form, parallel, angular and square surfaces
      2. Work holding, magnetic and non-magnetic parts
    2. Cylindrical grinder, applications and characteristics
    3. Centerless grinder, applications and characteristics
    4. Blanchard grinder, applications and characteristics
    5. Grinding wheel selection and use for grinding different materials
      1. Safety
      2. Abrasive types, characteristics and uses
      3. Bonding agents
      4. Hardness, grit size, and structure designations
      5. Dressing
      6. Grinding problems and appropriate wheel selection
    6. Honing machine components and applications
      1. Stone selection and dressing
      2. Honing procedures
        1. Precise hole size control
        2. Localized honing
    7. Lapping operations
      1. Hand
      2. Machine
  3. Calculate fits and allowances as applied to mechanical components.
    1. Types and applications
      1. Running fits
      2. Interference fits, expansion and shrink
    2. Calculate using component tolerances
  4. Demonstrate advanced lathe and milling operations such as offset boring and single point threading.
    1. Lathe Operations
      1. 4-jaw chuck applications
        1. Centering workpiece
        2. Eccentric turning
      2. Face plate applications
        1. Clamping workpiece
        2. Balancing, RPM limitations
      3. Boring applications
        1. Boring bar types and selection
        2. Tool geometry
      4. Single Point Threading
        1. Tool geometry and grinding
        2. Lathe set up for internal and external
    2. Mill operations
      1. Location of bolt hole circles
        1. Calculation of rectangular coordinates
        2. Calculation of chords
      2. Offset boring and facing head
        1. Tool geometry
        2. Set up and operation
      3. Mill head alignment

Lab Topics

  1. Fixture building
  2. Surface grinding operations
  3. Advanced mill operations
  4. Advanced lathe operations
Back to Top