Lesson 2: Form Tolerances

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Introduction

In this lesson, students will be able to identify the 4 form tolerances (straightness, flatness, circularity, and cylindricity) and be able to explain the concept of each through physical examples and through industry-standard drafting practices.

Time: Form Tolerances

Form Tolerances
10 Hours

Industries / Subjects / Grades

Industries / Pathways
  • Engineering & Architecture Engineering & Architecture
    • Architectural Design
    • Environmental Engineering
    • Engineering Technology
    • Engineering Design
  • Information and Communication Technologies Information and Communication Technologies
    • Networking
Grade Levels
  • 11

Standards and Objectives

Standards

California's 2008 CTE Standards (3)

Related Instructional Objectives (SWBAT...)

  • Students will be able to identify the 4 Form Tolerances: Flatness, Straightness, Circularity, and Cylindricity.
  • Students will be able to apply a Flatness tolerance to a part to industry standards.
  • Students will be able to apply a Straightness tolerance to a part to industry standards.
  • Students will be able to apply a Circularity tolerance to a part to industry standards.
  • Students will be able to apply a Cylindricity tolerance to a part to industry standards.
  • Students will understand why datums are not applied to form tolerances by describing their function on a select part.

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