Chapter Eight. Tolerancing

Chapter Objectives

  • Understand tolerance conventions

  • Understand the meaning of tolerances

  • Learn how to apply tolerances

  • Understand geometric tolerances

  • Understand positional tolerances

Introduction

Tolerances define the manufacturing limits for dimensions. All dimensions have tolerances either written directly on the drawing as part of the dimension or implied by a predefined set of standard tolerances that apply to any dimension that does not have a stated tolerance.

tolerance

The manufacturing limits for dimensions.

This chapter explains general tolerance conventions and how they are applied using Inventor. It includes a sample tolerance study and an explanation of standard fits and surface finishes.

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