Professional Development Center of Glendale Community College

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THE PDC OF GLENDALE COMMUNITY COLLEGE

The PDC Creates Custom Training Programs that Address ALL of Your Company's Training Needs.

Length

15 weeks
1 session per week
4 hours per session
Total Class Hours: 60


Audience

This course is designed for manufacturing personnel who understand the basics of blueprint interpretation and need more detailed information to fully comprehend and apply today’s manufacturing drawings and standards.  This comprehensive course combines all of the basics of ASME Y14.5 with more complex information for those people who realize that a little bit of knowledge in GD&T is simply not enough to do a good job.


Recommended Prerequisites

Understanding the basics of blueprint interpretation.


Course Objectives

To learn the 14 geometric characteristic symbols, the 5 categories they fall within and when material condition symbols may be used and when datum references are allowed.

  • Geometric controls and their usage.
  • How to read a geometric control as a sentence.
  • How to use simple functional gages to check parts.
  • Dependency, ASME, vs. independency, ISO, for measuring size.
  • How to measure MMC and LMC.
  • How to calculate and collect variable data for CMM inspections.

Topic

SYMBOLS AND RULES
Geometric Characteristics; Symbols; Rules; Types of Controls; and General Rules for Tolerances

DATUMS AND DATUM FEATURES

TRUE GEOMETRIC COUNTERPART
Datum feature simulators, fixtures, gages and virtual condition boundaries

GEOMETRIC DIMENSIONS AND TOLERANCES
Material conditions and inner and outer boundary calculations

MAJOR CONCEPTS OF GEOMETRIC DIMENSIONING AND TOLERANCING
Conversions Position; Profile; Datum Features; Size Controls Form; Flatness; Perpendicularity; Mating Part Calculations; Reading Feature Controls Frames as a Language; Functional Gages; Resultant Conditions; Bonus Tolerancing Formulas;  Shift and Movement of Tolerance Zones.

COMPOSITE VS. TWO SINGLE SEGMENT POSITIONAL TOLERANCING
Similarities; Differences; One Level Tolerancing vs. Composite Tolerance and Simultaneous Requirements; Two Single Segment Position Controls.

GD&T AS A LANGUAGE
To Properly Read a Drawing; Reading the Feature Control Frames as Sentences; Profile, Position, Tolerance Zones and Pattern Shift Zones; Reading Two Single Segment Controls; Using Gages to Visualize a Geometric Tolerance’s Meaning; Reading a GD&T Blueprint; Pattern Shifts; Where It comes from and How it effects the Workpiece; Bonus Tolerance; Virtual Condition and Zero Positional Tolerances; Sequential Toleranced Features using the Simultaneous Requirement Rule.


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