Geometric Dimensioning and Tolerancing for Automotive Industry - extended scope

Training programme:

Sources of information.

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).

The 13th Maximum material principle.

Minimum material principle.

Components of geometric tolerances.

helmet. Geometric tolerance framework.

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.

Why we don’t understand 2D drawings.

Why communication is more important than knowing the standards.

How to analyse and create 2D drawings.

The use of CMM – choice or necessity.

RPS according to ISO, VW standards.

General tolerances according to DIN standards.

Messplan according to GS standards.

Dimensional chains.

Analysis of selected Participants’ drawings.

Exercises and examples:

Technical drawing analysis – determining the correct order of analysis for a sample drawing from the automotive industry (group exercise).

Technical drawing analysis – why we don’t understand technical drawings and why communication is more important than knowledge of standards (brainstorming).

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” – visualization of the tolerance field and analysis of deviations and methods of their reporting.

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 geometric tolerances – analysis of components on the example of position deviation and run-out deviation.

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

Basing – analysis of the location of RPS points on a selected example from the automotive industry.

Selection of measurement instruments and strategies based on the example of a drawing of a product from the automotive industry (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 test to verify the selected geometric tolerance (group exercise).

Finding errors in the documentation of a sample product from the automotive industry (group exercise).

Analysis of sample designs and technical drawings from the automotive industry (with the possibility of analyzing customer drawings).