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GD& T Blue Print Reading

Seminar Content

1 Day Engineering drawings are the basis for communicating the requirements for a part, from design to manufacturing to inspection. This course focuses on the skills needed to interpret the views, notes, tolerances, and symbols found on a print per ASME Y14.5 and ISO1101, GB/T1182. The course is intended for those at any level, from beginners to those requiring a refresher of design and drafting concepts.

Training Features

Combined abundant case studies from Omnex as well as provided cases from the trainee, explain in details of the content of Mechanical Blue Print reading knowledge and application.

Who Should Attend

Quality Inspector, on-line operator, Product Engineer, purchasing or APQP project team.

Seminar Materials

Omnex Training Material with case studies as well as exercises.

Course Outline

• Blueprint Basics
  • Role of Prints in Industry
  • Basic Steps in Reading a Print
• Alphabet of Lines
  • Visible, Hidden, and Center Lines
  • Extension, Dimension, and Leader Lines
  • Cutting Plane / Section Lines
  • Break Lines and Phantom Lines
• Orthographic Projection
  • Advantages of Orthographic Projection
  • Visualizing the 3-Dimensional Object
  • The "Glass Box" and the "Bowl" Techniques
  • First-Angle vs. Third-Angle Projection
• Other Print Information
  • The Title Block
  • Auxiliary and Section Views
  • Revisions
  • General and Local Notes
• Dimensioning and Tolerancing
  • Units of Measure
  • Limit Dimensioning
  • Plus/Minus Tolerancing
  • Types and Classes of Fit
  • Dimensioning Symbols
  • Calculating Dimensions
  • Capability and Statistics in Dimensioning
  • Introduction to GD& T
• Manufacturing Specifications
  • Screw Threads
  • Machining Callouts
  • Surface Finish / Roughness

Prerequisites

Basic mechanical knowledge. This course is directed to anyone with basic knowledge of mechanical print. This course is the foundamental courses before taking GD& T courses.

Training Goals

• Understand the basic blue print format and symbols.
• Learn to read basic blue print.
• Learn to apply the basic GD& T tolerance to the blue print.
• Learn to use the basic mechanical print for the production, purchasing or marketing purpose.

Methodology：

• Team Exercises
  • With the team exercises to improve the understanding of training content, blue print requirements and application
• Training Evaluation：
  • Attending rate and participation, include:
    • Meaningful questioning in classes
    • Discussion involvement and knowledge sharing
• Graded Exercises
  • To evaluate the training effectiveness with Graded Exercises

GD& T Related Training Courses (provided by Omnex)：

• Geometric Dimensioning & Tolerance (GD&T) (3 Days)
• Geometric Dimensioning & Tolerance (GD&T) (2 Days)
• Geometric Dimensioning & Tolerance (GD& T) Blue Print Reading
• Geometric Dimensioning & Tolerance (GD& T) Gage Design
• Tolerance Stack-up Analysis (GD&T Application)

Customer List - GD& T Related Training by Omnex (Partial)

Omnex Shanghai Office
Greenland He Chuang Building No. 450, Room 2401, Shanghai 200063, China
Phone: 021-3360 8488, 3360 8468, Fax: 021-3360 8408, Email : info-cn@omnex.com

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