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General Information

Course ID (CB01A and CB01B)
DMTD091.
Course Title (CB02)
Dimensional Metrology
Course Credit Status
Credit - Degree Applicable
Effective Term
Fall 2024
Course Description
The focus of this course is the applications and capabilities of semi-precision and precision measuring tools, including scaled, vernier, and digital instruments, used in manufacturing environments to inspect production and prototype parts. Students will be introduced to the use of the optical comparator and CMM (coordinate measuring machine), which will also be covered in this course.
Faculty Requirements
Discipline 1
[Manufacturing Technology (Quality control, process control)]
FSA
[FHDA FSA - MACHINE TOOL TECH]
Course Family
Not Applicable

Course Justification

Foundational measurement and inspection is the focus of this CTE course in our Design and Manufacturing Technologies program. The course is part of the Quality Control Technician Certificate of Achievement. It is a CSU transferable course. It is intended to better prepare students for work in the advanced manufacturing and machining industry in the areas of inspection and general machine shop skills as advised by our industry advisory committee.

Foothill Equivalency

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

Course Philosophy

Formerly Statement

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
4.5
Maximum Credit Units
4.5

Weekly Student Hours

TypeIn ClassOut of Class
Lecture Hours4.59.0
Laboratory Hours0.00.0

Course Student Hours

Course Duration (Weeks)
12.0
Hours per unit divisor
36.0
Course In-Class (Contact) Hours
Lecture
54.0
Laboratory
0.0
Total
54.0
Course Out-of-Class Hours
Lecture
108.0
Laboratory
0.0
NA
0.0
Total
108.0

Prerequisite(s)

Corequisite(s)

Advisory(ies)

  • ESL D261. and ESL D265., or ESL D461. and ESL D465., or eligibility for EWRT D001A or EWRT D01AH or ESL D005.
  • Pre-algebra or equivalent (or higher), or appropriate placement beyond pre-algebra

Limitation(s) on Enrollment

Entrance Skill(s)

General Course Statement(s)

Methods of Instruction

Lecture and visual aids

Homework and extended projects

Discussion of assigned reading

Discussion and problem solving performed in class

Collaborative learning and small group exercises

Assignments

  1. Required reading and homework assignments from text and supplemental handouts.
  2. Skill exercises to practice measurement
  3. Project that requires comprehension and application of a measurement plan.

Methods of Evaluation

  1. Participation in class discussions and skills exercises to evaluate print reading and measurement competencies.
  2. Written project demonstrating comprehension and application of metrology concepts as well as critical thinking regarding a measurement plan.
  3. Midterm exam and quizzes to evaluate comprehension of terms and concepts.
  4. Final exam that requires students to critically analyze and apply concepts examined throughout the course.

Essential Student Materials/Essential College Facilities

Essential Student Materials: 
  • None
Essential College Facilities:
  • DMT Metrology Lab

Examples of Primary Texts and References

AuthorTitlePublisherDate/EditionISBN
Dotson, ConnieFundamentals of Dimensional MetrologyCengage Learning2015 / Sixth Edition978-1133600893

Examples of Supporting Texts and References

None.

Learning Outcomes and Objectives

Course Objectives

  • Apply systems of measurement, and tolerances, precision, and accuracy.
  • Demonstrate the applications of semi-precision and precision measurement tools
  • Explain the use of surface and form instruments, as well as optical measurement
  • Employ basic geometric dimension and tolerancing.
  • Demonstrate the ability to make systems of measurements using coordinate measuring machines.

CSLOs

  • Demonstrate the ability to utilize common guages, measurement instruments, and calibration tools.

  • Demonstrate the applications of precision measurement instruments.

Outline

  1. Apply systems of measurement, and tolerances, precision, and accuracy.
    1. English and metric units of measurement
    2. Accuracy, precision, reliability
    3. Measurement error and tolerances
  2. Demonstrate the applications of semi-precision and precision measurement tools
    1. Graduated and scale instruments
    2. Vernier calipers and micrometers
    3. Pin, ring, and thread gages
    4. Height, bore and fixed gages
    5. Comparison measurements
  3. Explain the use of surface and form instruments, as well as optical measurement
    1. Surface evaluations, use of the profilometer
    2. Surface texture and roughness
    3. Angular and linear measurement on the optical comparator
  4. Employ basic geometric dimension and tolerancing.
    1. Advantages in the manufacturing process
    2. Geometric characteristic symbols, feature control frames, datums
    3. Tolerance types, characteristics, and tolerance zones
  5. Demonstrate the ability to make systems of measurements using coordinate measuring machines.
    1. Datums
    2. Angular and linear measurements
    3. Feature locations
    4. GD&T position tolerance measurement
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