Basics of Tolerance Stack-up Analysis and Fits with GD&T

Learn About Tolerances Stack-up Analysis and about fits in engineering with multiple examples with GD&T for mechanical

Understanding Tolerances and tolerancing schemes is a very important part of Mechanical design .

In most cases Tolerances are directly detrimental to the functional performance of a mechanical product.

This course attempts to cover the key concepts in tolerance stackup , limits, fits and statistical tolerancing with examples .

Tolerance stackup analyses are critical in applications where small changes in dimension of parts can have heavy consequences.

What we will cover in the course?

What is tolerance? What are sources of variation ?
What are Fits , the nomenclature, types and Tolerance zones
How to decode and interpret a Fit specification and convert it into limits
How to Define a specification of a Fit for a specific application
How to do a simple tolerance stackup ? Generic procedure and factors to be considered?
How to develop Loop Diagrams in Stackup ?
Assembly shift in Tolerance analysis
How is assembly shift calculated
Stackup with GD&T
- How to find Boundary conditions accounting for size and positional variations
- How to derive the individual specifications in tolerance table
- How to develop the envelopes for GD&T controls
Statistical Tolerancing
- Why Statistical techniques are used?
- What is normal distribution
- What is difference between worst case and statistical analysis
- What is Process capability index