SRJC Course Outlines

4/22/2021 5:03:55 PMMACH 80B Course Outline as of Spring 2021

Changed Course
CATALOG INFORMATION

Discipline and Nbr:  MACH 80BTitle:  CNC MACHINE II  
Full Title:  Computer Numeric Control Machining II
Last Reviewed:2/24/2020

UnitsCourse Hours per Week Nbr of WeeksCourse Hours Total
Maximum5.00Lecture Scheduled4.0017.5 max.Lecture Scheduled70.00
Minimum5.00Lab Scheduled4.006 min.Lab Scheduled70.00
 Contact DHR0 Contact DHR0
 Contact Total8.00 Contact Total140.00
 
 Non-contact DHR0 Non-contact DHR Total0

 Total Out of Class Hours:  140.00Total Student Learning Hours: 280.00 

Title 5 Category:  AA Degree Applicable
Grading:  Grade Only
Repeatability:  00 - Two Repeats if Grade was D, F, NC, or NP
Also Listed As: 
Formerly: 

Catalog Description:
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Intermediate operation and programming of Computer Numerical Control (CNC) machine tools. Integration of Computer-Aided Drafting (CAD), design, and programming for Computer Aided Machining (CAM) of machine parts on the CNC Machines. Applicable to entry and mid level computer numerical control machine operators.

Prerequisites/Corequisites:
Course Completion of MACH 80A


Recommended Preparation:

Limits on Enrollment:

Schedule of Classes Information
Description: Untitled document
Intermediate operation and programming of Computer Numerical Control (CNC) machine tools. Integration of Computer-Aided Drafting (CAD), design, and programming for Computer Aided Machining (CAM) of machine parts on the CNC Machines. Applicable to entry and mid level computer numerical control machine operators.
(Grade Only)

Prerequisites:Course Completion of MACH 80A
Recommended:
Limits on Enrollment:
Transfer Credit:CSU;
Repeatability:00 - Two Repeats if Grade was D, F, NC, or NP

ARTICULATION, MAJOR, and CERTIFICATION INFORMATION

Associate Degree:Effective:Inactive:
 Area:
 
CSU GE:Transfer Area Effective:Inactive:
 
IGETC:Transfer Area Effective:Inactive:
 
CSU Transfer:TransferableEffective:Spring 1995Inactive:
 
UC Transfer:Effective:Inactive:
 
C-ID:

Certificate/Major Applicable: Both Certificate and Major Applicable



COURSE CONTENT

Student Learning Outcomes:
Upon completion of the course, students will be able to:
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1. Select appropriate end mills for machining to CAD specifications
2. Describe the function of a post processor
3. Demonstrate proper set-up and operating procedures for CNC machines
 

Objectives: Untitled document
Students will be able to:
1. Practice the safe use of tools and machines
2. Compare and contrast manual and CNC (computer numerical control) machining operations
3. Relate the theory of CNC mill operation to machining processes
4. Generate two-dimensional and 3-dimensional geometric images for CNC machining center
    projects using computer-aided drafting (CAD) software
5. Using a drafted image, write and interpret code for machining a part on a CNC machining
    center
6. Troubleshoot code for incorrectly machined parts
7. Calculate cutting speeds, feeds and tools for various computer numerical control machining
    center operations
8. Diagnose basic problems faced in the operation of the computer numeric control machining
    center

Topics and Scope
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I. Introduction
    A. Shop safety
    B. Print reading--working drawings
    C. Shop orientation--machine identification--facility layout
II. Basic Computer Numeric Control Operations
    A. Manual vs. CNC operations
         1. Use
         2. Capabilities
         3. Theoretical and operational characteristics
    B. CNC accessories
    C. Cutting tools
         1. Characteristics
         2. Design
         3. Machining parameters
    D. Production methods
III. Materials
    A. Types
    B. Properties
IV. CAD for CNC Machining Centers
    A. Design for manufacturing
    B. Generate a two-dimensional image
    C. Generate a 3-dimensional image
    D. Post processor
V. CNC Mill
    A. CNC theory
    B. Writing code (programming) for the CNC mill
         1. Translating a 2-dimensional image into code
         2. Translate a 3-dimensional image utilizing multiple work setups into code.
         3. Troubleshooting code
    C. CNC operation
         1. Set-up
          2. Operating procedures
    D. Production methods
VI. Other CNC Programs
 
All topics are covered in the lecture and lab portions of the course.

Assignments:
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Lecture-Related Assignments:
1. Reading, 10-15 pages per week
2. Two to four quizzes; final exam
 
Lecture- and Lab-Related Assignments:
1. Complete CAD exercises and produce 2-dimensional drawings for CNC machining
2. Write code for machining a part from CAD drawings
 
Lab-Related Assignments:
1. Demonstrate proper set-up and operating procedure for CNC machines
2. Manufacture projects on the CNC mill from shop drawings

Methods of Evaluation/Basis of Grade.
Writing: Assessment tools that demonstrate writing skill and/or require students to select, organize and explain ideas in writing.Writing
0 - 0%
None
This is a degree applicable course but assessment tools based on writing are not included because problem solving assessments and skill demonstrations are more appropriate for this course.
Problem solving: Assessment tools, other than exams, that demonstrate competence in computational or non-computational problem solving skills.Problem Solving
20 - 30%
CAD exercises and produce 2-dimensional drawings for CNC machining
Skill Demonstrations: All skill-based and physical demonstrations used for assessment purposes including skill performance exams.Skill Demonstrations
30 - 45%
Demonstrate proper set-up and operating procedures for CNC machines; Write code for machining a part from CAD drawings; Manufacture projects on the CNC mill from shop drawings
Exams: All forms of formal testing, other than skill performance exams.Exams
30 - 40%
Quizzes, final exam
Other: Includes any assessment tools that do not logically fit into the above categories.Other Category
5 - 10%
Professionalism


Representative Textbooks and Materials:
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CNC Programming Handbook. 3rd ed. Smid, Peter. Industrial Press, Inc. 2007 (classic)

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