This 40-hour GD&T program provides practical knowledge of Geometric Dimensioning & Tolerancing, engineering drawing interpretation, datum systems, feature control frames, tolerance stack-up, functional gauging and inspection. The training is designed around real-world applications in: • Mechanical Design • Automotive • Aerospace • Manufacturing • Production • Quality Engineering • CNC & Machining • Tool & Die • Inspection & Metrology • CMM Operations 40-Hour Structure Module Topic Hours 1 Engineering Drawing & Tolerance Fundamentals 3 2 GD&T Fundamentals & Symbols 3 3 Datums & Datum Reference Framework 4 4 Form Tolerances 4 5 Orientation Tolerances 4 6 Location Tolerances 5 7 Profile & Runout Tolerances 4 8 MMC, LMC, RFS & Virtual Condition 4 9 Tolerance Stack-Up & Functional Gauging 3 10 Inspection, CMM & Drawing-Based Exercises 2 11 Projects, Job Scenarios & Mock Interview 4 Total 40 Hours 40

GEOMETRIC DIMENSIONING AND TOLERANCING

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This 40-hour Geometric Dimensioning & Tolerancing (GD&T) training program provides practical knowledge of GD&T principles, engineering drawing interpretation, datum systems, feature control frames, geometric tolerances, tolerance stack-up, functional gauging, and inspection. Learners gain the skills needed to improve design accuracy, manufacturing quality, part interchangeability, and inspection processes. The course is ideal for mechanical, design, manufacturing, quality, production, and CAD professionals, as well as engineering students.

Duration of Training :40 Hours
Batch type : Weekdays/Weekends
Mode of Training : Classroom/Online/Corporate Training
Detailed Syllabus • Hands-on Labs • Assignments • Support-Focused • Implementation

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Overview

The Syllabus

Curriculum Designed by Experts

1. Course Overview

This 40-hour GD&T program provides practical knowledge of Geometric Dimensioning & Tolerancing, engineering drawing interpretation, datum systems, feature control frames, tolerance stack-up, functional gauging and inspection.

The training is designed around real-world applications in:
• Mechanical Design
• Automotive
• Aerospace
• Manufacturing
• Production
• Quality Engineering
• CNC & Machining
• Tool & Die
• Inspection & Metrology
• CMM Operations

40-Hour Structure

Module	Topic	Hours
1	Engineering Drawing & Tolerance Fundamentals	3
2	GD&T Fundamentals & Symbols	3
3	Datums & Datum Reference Framework	4
4	Form Tolerances	4
5	Orientation Tolerances	4
6	Location Tolerances	5
7	Profile & Runout Tolerances	4
8	MMC, LMC, RFS & Virtual Condition	4
9	Tolerance Stack-Up & Functional Gauging	3
10	Inspection, CMM & Drawing-Based Exercises	2
11	Projects, Job Scenarios & Mock Interview	4
Total	40 Hours	40

2. Prerequisites

• Basic mechanical engineering knowledge
• Basic engineering drawing knowledge
• Understanding of dimensions and tolerances
• Basic knowledge of manufacturing processes
• CAD knowledge is advantageous but not mandatory

Suitable for: Mechanical Engineers, Design Engineers, Manufacturing Engineers, Quality Engineers, Production Engineers, CMM Engineers, Inspection Engineers, CNC Engineers,
To l & Die Engineers and Mechanical Engineering graduates.

3. Fundamentals

Engineering Drawing Fundamentals
• Orthographic views
• Sectional views
• Auxiliary views
• Dimensions and annotations
• Limits and fits
• Allowance
• Clearance and interference
• Surface finish
• Manufacturing symbols
• Drawing revision interpretation

Tolerance Fundamentals
• Bilateral tolerance
• Unilateral tolerance
• Limit dimensions
• Size tolerance
• Datum concepts
• Functional requirements
• Design intent
• Manufacturing variation
• Inspection requirements

4. Core Technical Topics — Main Syllabus

Core Technical Topics — Main Syllabus

Module 1 — GD&T Fundamentals

• What is GD&T?
• Purpose and advantages of GD&T
• Conventional tolerancing vs GD&T
• GD&T terminology
• Feature
• Feature of size
• Size limits
• Basic dimensions
• Reference dimensions
• Feature Control Frame
• GD&T symbol library
• Tolerance zones
• ASME Y14.5 overview

Module 2 — Datum Systems

• Datum feature
• Datum
• Datum simulator
• Datum reference frame
• Primary datum
• Secondary datum
• Tertiary datum
• Datum precedence
• Datum axis
• Datum plane
• Datum targets
• Degrees of freedom
• 3-2-1 locating principle
• Datum selection based on functional requirements
• Datum shift

Practical Focus
Students will determine the correct datum scheme for real mechanical components.

Module 3 — Form Tolerances

Straightness
• Surface straightness
• Axis straightness
• Straightness without datum
• Straightness at MMC
• Bonus tolerance

Flatness
• Flatness tolerance zone
• Flatness inspection
• Flatness vs parallelism

Circularity
• Circularity
• Circularity tolerance zone
• Circularity inspection

Cylindricity
• Cylindricity
• Cylindrical tolerance zone
• Manufacturing applications
• Inspection methods

Module 4 — Orientation Tolerances

Parallelism
• Surface parallelism
• Axis parallelism
• Datum references
• MMC applications
Perpendicularity
• Surface perpendicularity
• Axis perpendicularity
• Functional applications
• Inspection methods

Angularity
• Angularity
• Basic angle
• Datum-based angularity
• Tolerance zones
• Practical applications

Module 5 — Location Tolerances

Position
• True position
• Basic dimensions
• Position tolerance zone
• Hole patterns
• Bolt-hole patterns
• MMC position
• LMC position
• RFS position
• Bonus tolerance
• Virtual condition
• Position tolerance calculations
• Composite position

Additional Location Concepts
• Concentricity
• Symmetry
• Median plane
• Median points
• Practical limitations and inspection considerations

Module 6 — Profile Tolerances

Profile of a Line
• Profile tolerance zone
• Datum references
• Bilateral profile
• Unequally disposed profile

Profile of a Surface
• Surface profile
• Complex surfaces
• CAD model applications
• Profile inspection
• Profile vs position
• Functional applications

Module 7 — Runout

Circular Runout
• Circular runout
• Radial runout
• Axial runout
• Datum axis

Total Runout
• Total runout
• Cylindrical surfaces
• Rotational applications
• Runout inspection

Applications
• Shafts
• Bearing components
• Flanges
• Rotors
• Wheels
• Rotating assemblies

Module 8 — Advanced GD&T

Material Condition Modifiers
• MMC — Maximum Material Condition
• LMC — Least Material Condition
• RFS — Regardless of Feature Size
• Bonus tolerance
• Datum feature modifiers

Advanced Concepts
• Virtual condition
• Resultant condition
• Maximum Material Boundary
• Least Material Boundary
• Projected tolerance zone
• Tangent plane
• Free-state condition
• Unequally disposed tolerance
• Common datum references
• Composite feature control frames
• Multiple-segment feature control frames

Module 9 — Tolerance Stack-Up

• Purpose of tolerance stack-up
• Functional requirements
• Worst-case analysis
• RSS analysis
• Statistical tolerance analysis
• Linear stack-up
• 2D stack-up
• Assembly stack-up
• Clearance analysis
• Interference analysis
• Gap analysis
• GD&T-based stack-up

Practical Calculations
• Hole-to-hole alignment
• Shaft/bearing fit
• Housing assembly
• Flange alignment
• Pin-hole assembly
• Automotive assembly tolerance

Module 10 — Functional Gauging & Inspection

• Functional gauging principles
• GO gauge
• NO-GO gauge
• Plug gauge
• Ring gauge
• Functional position gauge
• Virtual condition gauge
• Gauge design concepts
• Gauge tolerance
• Gauge wear allowance

Inspection
• Surface plate inspection
• Height gauge
• Dial indicator
• Vernier caliper
• Micrometer
• Bore gauge
• CMM inspection
• CMM alignment
• Datum alignment
• CMM report interpretation
• Measurement strategy

5. Hands-On Labs

Lab 1 — Engineering Drawing Interpretation
Interpret a complete mechanical drawing and identify dimensions, tolerances and datums.

Lab 2 — GD&T Symbol Identification
Identify and interpret GD&T symbols and tolerance zones.

Lab 3 — Feature Control Frame Creation
Create and interpret feature control frames.

Lab 4 — Datum Selection
Develop a functional datum reference framework.

Lab 5 — Form Tolerance Analysis
Analyze straightness, flatness, circularity and cylindricity.

Lab 6 — Orientation Tolerance Analysis
Work with parallelism, perpendicularity and angularity.

Lab 7 — Position Tolerance Calculation
Calculate true position and tolerance zones for hole patterns.

Lab 8 — MMC/LMC/RFS Calculation
Calculate bonus tolerance and allowable feature variation.

Lab 9 — Virtual Condition Calculation
Calculate virtual condition for holes and pins.

Lab 10 — Profile & Runout Analysis
Interpret profile and runout requirements.

Lab 11 — Tolerance Stack-Up
Perform worst-case and RSS tolerance stack-up.

Lab 12 — CMM Inspection Report
Compare CMM inspection results against drawing requirements.

6. Assignments

1. Engineering Drawing Interpretation
2. Limits & Fits Calculation
3. GD&T Symbol Identification
4. Datum Selection Exercise
5. Feature Control Frame Creation
6. Straightness & Flatness Analysis
7. Circularity & Cylindricity Exercise
8. Parallelism & Perpendicularity Exercise
9. Angularity Analysis
10. True Position Calculation
11. MMC / LMC / RFS Exercise
12. Bonus Tolerance Calculation
13. Virtual Condition Calculation
14. Profile Tolerance Analysis
15. Runout Analysis
16. Functional Gauge Calculation
17. Worst-Case Stack-Up
18. RSS Stack-Up
19. Assembly Clearance Analysis
20. CMM Report Interpretation

7. Mini Projects

Mini Project 1 — Precision Shaft
Develop a complete GD&T scheme for a precision shaft containing:
• Bearing seats
• Shoulders
• Keyway
• Thread
• Datum axis
• Runout
• Cylindricity
• Perpendicularity

Mini Project 2 — Flange & Bolt Pattern
Create GD&T requirements for a flange with:
• Center bore
• Bolt-hole pattern
• Mounting face
• Datum system
• Position tolerance
• Flatness
• Perpendicularity

Mini Project 3 — Automotive Bracket
Develop a production-ready GD&T strategy for an automotive mounting bracket.

Mini Project 4 — Bearing Housing
Apply:
• Datum structure
• Bore tolerances
• Position
• Perpendicularity
• Cylindricity
• Runout

8. Capstone Projects

Capstone Project 1 — Automotive Component GD&T
Students receive a complete mechanical component and perform:
Design → GD&T → Manufacturing → Inspection

Deliverables:
• Engineering drawing interpretation
• Functional requirements
• Datum selection
• GD&T scheme
• Tolerance calculations
• Tolerance stack-up
• Inspection plan
• CMM measurement strategy
• Final inspection report

Capstone Project 2 — Precision Mechanical Assembly
Develop GD&T for a multi-component assembly involving:
• Shafts
• Bearings
• Housing
• Fasteners
• Locating pins
• Mating surfaces
Students perform complete assembly tolerance stack-up and inspection planning.

Capstone Project 3 — Design-to-Inspection Project
Convert a conventional mechanical drawing into a functional GD&T-based drawing, followed by manufacturing and inspection requirements.

9. Real-Time Job-Oriented Scenarios

Students solve practical engineering problems such as:
1. Hole pattern is not aligning during assembly.
2. Shaft diameter is acceptable but shaft vibration is excessive.
3. Bearing does not seat properly inside the housing.
4. Two mating surfaces are not parallel.
5. Flange produces leakage after assembly.
6. Hole size passes inspection but assembly still fails.
7. Shaft passes dimensional inspection but fails runout.
8. CMM reports a position failure despite acceptable hole size.
9. Supplier’s inspection report conflicts with internal inspection.
10. Determine whether a feature passes under MMC bonus tolerance.
11. Design a functional gauge for a hole pattern.
12. Identify incorrect datum selection on a production drawing.
13. Perform tolerance stack-up for assembly clearance.
14. Analyze excessive variation in a machined component.
15. Develop inspection requirements from a GD&T drawing.

10. Troubleshooting Scenarios

Scenario 1 — Hole Alignment Failure
Analyze position, datum reference, MMC and bonus tolerance.

Scenario 2 — Shaft Vibration
Investigate runout, cylindricity, straightness and datum axis.

Scenario 3 — Bearing Fit Problem
Analyze bore size, cylindricity, perpendicularity and datum alignment.

Scenario 4 — CMM Failure
Check datum alignment, measurement method and GD&T interpretation.

Scenario 5 — Assembly Clearance Issue
Perform worst-case tolerance stack-up.

Scenario 6 — Supplier Rejection
Review supplier measurement methodology against the drawing’s datum reference frame and feature control frame.

11. Industry Tools

CAD / Engineering Drawing
• CATIA
• SOLIDWORKS
• Siemens NX
• PTC Creo
• Autodesk Inventor

Inspection / Metrology
• CMM
• PC-DMIS
• ZEISS CALYPSO
• PolyWorks
• Mitutoyo inspection software
• Verisurf

Analysis
• Microsoft Excel
• GD&T calculation templates
• Tolerance stack-up tools
• CMM inspection reports

12. Best Practices

• Define functional design intent before applying GD&T.
• Select datums based on how the part is actually located and assembled.
• Avoid unnecessarily tight tolerances.
• Use basic dimensions appropriately with position and profile.
• Understand MMC, LMC and RFS before approving drawings.
• Consider manufacturing capability while assigning tolerances.
• Ensure every critical GD&T requirement can be properly inspected.
• Perform tolerance stack-up during the design phase.
• Maintain consistency between CAD, drawing, manufacturing and inspection.
• Follow the applicable revision of ASME Y14.5 and customer-specific standards.

13. Certification Names

Possible training/certification pathways include:
• GD&T Fundamentals Certificate
• GD&T Advanced Certificate
• GD&T Practitioner Certificate
• GD&T Professional Certificate
• GD&T Specialist Certificate
• CMM & GD&T Inspection Certificate
• Tolerance Stack-Up Analysis Certificate
• ASME Y14.5-Based GD&T Training Certificate

The exact certification title and issuing organization depend on the certification provider.

14. Mock Interviews

Technical + practical interview preparation covering:
• GD&T fundamentals
• Datum selection
• Feature control frames
• Position tolerance
• MMC/LMC/RFS
• Bonus tolerance
• Virtual condition
• Tolerance stack-up
• CMM inspection
• Engineering drawing interpretation
• Real-world troubleshooting scenarios

15. Resume Preparation

Build a GD&T-focused resume highlighting:

• GD&T expertise
• Engineering drawing interpretation
• Datum systems
• Tolerance stack-up
• CMM/inspection knowledge
• Manufacturing knowledge
• CAD exposure
• Mini and capstone projects

Projects are converted into professional, resume-ready project descriptions.

16. Placement Assistance

• GD&T job-role guidance
• Resume optimization
• Job-description analysis
• Interview preparation
• Technical mock interviews
• Drawing-based interview practice
• Manufacturing & Quality interview preparation
• LinkedIn profile guidance
• Job application guidance
• Interview feedback and improvement areas

Target Job Roles
• GD&T Engineer
• Mechanical Design Engineer
• Design Engineer
• Manufacturing Engineer
• Quality Engineer
• Dimensional Engineer
• CMM Engineer
• Metrology Engineer
• Inspection Engineer
• Product Development Engineer
• Tolerance Stack-Up Engineer
• Automotive Design Engineer
• Aerospace Design Engineer
• Supplier Quality Engineer

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Geometric Dimensioning And Tolerancing (gd&t) Course Certification With Training In Bangalore

Q: 3. Fundamentals

Engineering Drawing Fundamentals • Orthographic views • Sectional views • Auxiliary views • Dimensions and annotations • Limits and fits • Allowance • Clearance and interference • Surface finish • Manufacturing symbols • Drawing revision interpretation Tolerance Fundamentals • Bilateral tolerance • Unilateral tolerance • Limit dimensions • Size tolerance • Datum concepts • Functional requirements • Design intent • Manufacturing variation • Inspection requirements

Q: Module 3 — Form Tolerances

Straightness • Surface straightness • Axis straightness • Straightness without datum • Straightness at MMC • Bonus tolerance Flatness • Flatness tolerance zone • Flatness inspection • Flatness vs parallelism Circularity • Circularity • Circularity tolerance zone • Circularity inspection Cylindricity • Cylindricity • Cylindrical tolerance zone • Manufacturing applications • Inspection methods

Q: Module 4 — Orientation Tolerances

Parallelism • Surface parallelism • Axis parallelism • Datum references • MMC applications Perpendicularity • Surface perpendicularity • Axis perpendicularity • Functional applications • Inspection methods Angularity • Angularity • Basic angle • Datum-based angularity • Tolerance zones • Practical applications

Q: Module 5 — Location Tolerances

Position • True position • Basic dimensions • Position tolerance zone • Hole patterns • Bolt-hole patterns • MMC position • LMC position • RFS position • Bonus tolerance • Virtual condition • Position tolerance calculations • Composite position Additional Location Concepts • Concentricity • Symmetry • Median plane • Median points • Practical limitations and inspection considerations

Q: Module 6 — Profile Tolerances

Profile of a Line • Profile tolerance zone • Datum references • Bilateral profile • Unequally disposed profile Profile of a Surface • Surface profile • Complex surfaces • CAD model applications • Profile inspection • Profile vs position • Functional applications

Q: Module 7 — Runout

Circular Runout • Circular runout • Radial runout • Axial runout • Datum axis Total Runout • Total runout • Cylindrical surfaces • Rotational applications • Runout inspection Applications • Shafts • Bearing components • Flanges • Rotors • Wheels • Rotating assemblies

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