Online Self-paced

Foundational: Inspection
311 Major Rules of GD and T

CourseCode: SOC-INSPECTION311
Length: 2 Hours

Target Audience
Advanced Level

Profile
The class “Major Rules of GD and T” provides an overview of the rules and concepts of geometric dimensioning and tolerancing, or GD and T, including Rule #1, Rule #2, bonus tolerance, the 3-2-1 Rule, and virtual and resultant conditions, as well as the datum reference frame (DRF). The DRF limits all six degrees of freedom by mapping three perpendicular planes onto the part using datum feature simulators. GD and T standards offer specific guidelines on a wide range of part features, including projected tolerance zones, radii, controlled radii, tapers, threads, and gears. Special rules also apply for composite or single segment tolerancing and statistical tolerancing. GD and T functions as a complex language used in blueprints to convey all necessary information about a part. To accurately read a GD and T print, the student must understand its many guidelines. After taking this class, users should be able to explain key GD and T concepts and various approaches for situating a part within the DRF.

SOC-INSPECTION311
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Courses Ascending
Advanced: 312 GD&T Applications
Beginner: 110 Basic Measurement
Beginner: 115 Linear Instrument Characteristics
Beginner: 120 Basics of the CMM
Beginner: 130 Basics of the Optical Comparator
Beginner: 140 Surface Measurement
Beginner: 141 Hole Standards and Inspection
Beginner: 150 Overview of Threads
Beginner: 151 Thread Standards and Inspection
Intermediate: 201 Surface Texture and Inspection
Intermediate: 210 Calibration Fundamentals
Intermediate: 240 Hole Inspection
Intermediate: 250 Thread Inspection
Intermediate: 260 Hardness Testing
Advanced: 300 Measuring System Analysis
Advanced: 301 Intro to GD and T
Advanced: 311 Major Rules of GD and T
Advanced: 315 Interpreting GD&T
Advanced: 321 Inspecting a Prismatic Part
Advanced: 331 Inspecting a Cylindrical Part
Advanced: 341 Advanced Hole Inspection
Advanced: 351 Inspecting with Optical Comparators
Advanced: 361 Inspecting with CMMs
Advanced: 371 Calibration and Documentation
Advanced: 381 In-Line Inspection Applications
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