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GeoTol Pro Advanced Applications and Tolerance Stacks Workbook


Applications and Stacks · Workbook · 2009

  • 170 pages, Updated in 2012 to latest ASME Y14.5-2009 standard


This text is broken into two major sections: Tolerance Stacks and Design Applications.

Tolerance Stacks

The stacks section is contained in the first 6 units of this text, and is designed to teach students the fundamental principles of tolerance stacks.  The student will learn a variety of stack procedures, beginning with simple linear stacks on detail parts in units 1 and 2, and migrating to linear assembly stacks in Unit 3.  Unit 4 begins with axial detail stacks, and moves on to complex axial assembly stacks in unit 5.  Orientation tolerance stacks are covered in unit 6 and melded together with axial boundary assembly stacks to provide the participant with a complete understanding of the stacks process.  Students will use this knowledge to perform tolerance stacks to ensure the design criteria is met in the application case study problems.

Design Applications

The applications section is a total of 10 units, (7 thru 17). Unit 7 begins with a quick review of the fundamentals of geometric tolerancing and a few basic applications of geometric tolerancing on simple detail parts. The following units are a series of case study examples, where the students will learn to establish datum reference frames and apply geometric tolerancing to a variety of parts.  There are a multitude of simple to complex sheet metal, cast, turned and milled parts, and welded assemblies. The case study examples start out simple, but generally grow in complexity as the units progress.  In the beginning of each unit there will be an introduction explaining the issue at hand and the necessary functional requirements to be met.  Some examples provide detailed explanation, and in other instances, examples are incomplete by intent to make the problem less complex. After the parts are toleranced to achieve functional requirements, there are tolerance analysis stacks and reallocation exercises the student must perform to ensure the parts meet the established requirements detailed in each introduction.

How to use this book

This book provides complete flexibility in the learning process. Students can use this book to learn only tolerance stacks, only design applications or a combination of both. The tolerance stacks sections must be completed sequentially in order from unit 1 to 6.  The applications section may be taken in any order, applying tolerance to sheet metal, machined parts, simple or complex problems. To make the learning experience exciting, it is recommend the student alternately completes a lesson in the stacks units, and afterwards, solves a case study problem from the applications units. This format provides variety in the lessons and provides practical applications at the same time.  The student can work problems in any order in the application section.  In order to solve the stacks problems in the case study examples, there will be prerequisites from stacks units the student must first complete. The prerequisites for the stack exercises are shown after the title on the top of the exercise page, and following the title page of each application. There is a solutions manual available.

Additional information

Weight 1.5 lbs
Dimensions 11 × 9 × 1 in

View Outline

Units in GeoTol Applications with Stacks
Unit 1 Plus/minus Stacks
Unit 2 Profile Detail Stacks
Unit 3 Profile Assembly Stacks
Unit 4 Boundary Detail Stacks
Unit 5 Boundary Assembly Stacks
Unit 6 Orientation Stacks
Unit 7 Introduction to Design Applications
Unit 8 Grommet Assembly
Unit 9 Powder Case Assembly
Unit 10 Fuel Cooler Assembly
Unit 11 Valve Assembly
Unit 12 Step Bracket Assembly
Unit 13 Regulator Mounting Bracket
Unit 14 Optic Connector Assembly
Unit 15 Mixer Assembly
Unit 16 Alternator Bracket
Unit 17 Link Assembly

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