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Two shaft pinions are illustrated with a PIP that reveals a microscopic view of the surface finish profile.

Surface Finish Measurement Basics

The THORS Surface Finish Measurement Basics course introduces the learner to the types of measurement of surface finish. This course also covers various surface finish parameters, exploring their interpretation and significance. Ready to take the next step? Explore the course details and see everything we’ve packed into this program!

Learning Hours: 2

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Course Description

The THORS Surface Finish Measurement Basics course is designed to provide learners with a fundamental understanding of surface finish measurement, covering different surface finish parameters, the representation of surface finish, and various surface finish measurement and interpretation techniques.

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Who will benefit from this surface finish measurement course?

Quality, manufacturing, engineering, design, test, purchasing, and sales functions at organizations that require a basic understanding of surface finish measurement.

THORS uses Bloom’s Taxonomy Methodology for our course development

Certificate Awarded for Surface Finish Measurement Basics

Example of certificate awarded upon successful completion of the course.

*upon successful completion

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Learning Objectives

  1. Understand the terminology associated with surface finish.
  2. Define the various surface finish parameters and their significance.
  3. Understand the different ways of representing surface finish on engineering drawings.
  4. Distinguish the different types of surface finish measurement techniques.
  5. Interpret the various surface finish parameters.
A stylus-based instrument moves across the surface of a part to measure the surface finish.
Surface Finish Measurement Basics THORS course image

Table of Contents

  1. Terminology
    1. Profile
      1. Primary Profile
        1. Periodic Profile
        2. Nonperiodic Profile
      2. Filtering
    2. Surface Finish Parameters
      1. Amplitude Surface Finish Parameters
      2. Spacing Surface Finish Parameters
    3. Surface Finish Symbols
    4. Surface Finish Representation
      1. Basic Representation
      2. Detailed Representation
  2. Measurement and Interpretation
    1. Qualitative Measurement
      1. Surface Finish Master
      2. Measurement Process
    2. Quantitative Measurement
      1. Contact-Type Measurement
        1. Components
          1. Stylus
          2. Datum
          3. Transducer
        2. Measurement Process
        3. Advantages and Limitations
      2. Noncontact-Type Measurement
    3. Interpretation of Surface Finish Parameters
      1. Amplitude Surface Finish Parameters
        1. Ra
        2. Rq
        3. Rmax
        4. Rz
      2. Spacing Surface Finish Parameters
        1. RSm
        2. RPc
        3. RHSC

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