Geometric Dimensioning and Tolerancing for Automotive Industry - basic level

Programme and exercises

Overview of standards.

Layers and the role of 2D drawing.

Types of tolerances and their classification.

Symbols for geometric tolerances.

Process quality versus shape deviations.

Why not the 3D model itself – some mistakes from life.

Principles of deciding on the conformity/non-conformity of products.

Default dimension interpretation.

Principle of independence.

Coating principle.

Modifiers of geometric tolerances (M, L, F, P, A, UZ, CZ).

Maximum material principle.

The 13th Minimum material principle.

Components of geometric tolerances.

Geometric tolerance framework.

helmet. Basing – designations and applications.

Principles of basing selection and some mistakes from life.

General tolerances according to ISO standards.

Description of the functionality of products using geometric tolerances.

“Best Fit” basing in the evaluation of product functionality.

ISO – AMSE differences.

Deviations in shape, direction, position and run-out – exercises.

Selection of tools and measurement strategies for geometric tolerance records.

Virtual limit of maximum material.

A mini-introduction to functional tests design.

Conclusion.

Exercises:

The principle of coating and the principle of independence – judging the conformity/non-conformity of products and the selection of measurement tools and methods for selected examples.

“Profile” – visualisation of the tolerance field and deviation analysis and reporting methods.

The principle of maximum material – analysis of selected examples.

Run-out – specifying the type of deviation.

Geometric deviations – visualization of the size of geometric deviations of products.

Geometric deviations – determining the type of geometric deviations of products.

Components of geometrical tolerances – analysis of components using position deviation and radial run-out deviation as examples.

Basing – analysis of the impact of the basing order for a sample product from the automotive industry.

Basing – analysis of basing errors for a selected example from the automotive industry.

Selection of measuring instruments and strategies using an automotive product drawing as an example (group exercise).

Creating a technical drawing for a simple auxiliary device, assigning bases and selecting the type and size of geometric tolerances (group exercise).

Calculation of a simple functional check to control a selected geometrical tolerance (group exercise).

Analysis of sample structures and technical drawings from the automotive industry.