ENGINEERING TOOLS & METHODS
Learning Objectives By attending this class, you will be able to:
Datum System and Planar Datums • The shortcomings of implied datums • The benefits of a datum system • Planar datums
• Understand the basic facts about engineering drawings • Recognize the types of dimensions and tolerances used on engineering drawings • Explain the basic concepts and requirements of size dimensions • Answer five basic questions for interpreting form tolerances • Describe the basic concepts of the datum system and planar datums • Describe the basic concepts of datum targets and size datums • Answer five basic questions for interpreting orientation, position, runout, and profile of a surface tolerances • Explain the purpose and limitations of in-process inspection methods • Assess the GD&T on a typical drawing and determine the impact to manufacturing Who Should Attend This course is designed for product engineers, designers, checkers, and engineering managers, and supplier quality engineers. Prerequisites Students should have completed the Engineering Drawing Requirements course or equivalent.
Datum Targets and Size Datums • Datum target symbols and applications • Datum targets establishing a datum reference frame • Terms used with size datums • Specifying an axis and a center plane as a datum • Recognizing when an MMB exists • Differences between MMB and RMB datum applications Orientation Tolerances • Interpreting perpendicularity and parallelism tolerances • Bonus tolerance effects on part processing • Correct specification of an orientation tolerance Position Tolerances • Interpreting a position tolerance of a feature of size
• Recognizing when a bonus tolerance exists • Correct specification of position tolerance
Runout Tolerances • Effects of a runout tolerance
• Circular runout tolerance interpretation • Correct specification of a runout tolerance
Topical Outline Engineering Drawings • Engineering drawing purposes • Relationship between drawings and part function • Applicable standards on drawings • Why drawings are legal documents • Fundamental tolerancing rules Dimensions and Tolerances • Geometry attributes of a part • General dimensioning symbols • General notes, flag notes, and local notes; • The 14 major GD&T symbols • The feature control frame • Basic dimensions • Implied specifications from assumptions Size Dimensions • Feature and feature of size • Maximum material condition (MMC) • Regardless of feature size (RFS) • Rule #1 and its effect on a size dimension
Profile of a Surface Tolerances • Effects of a profile of a surface tolerance • Basic requirements of a profile of surface tolerance • Profile of surface tolerance interpretation • Correct specification of a profile of a surface tolerance In-Process Inspection • The purpose of in-process and final inspection and their differences • Categories of inspection tools • Common in-process inspection tools • Limitations of in-process inspection • Tools capable of verifying certain applications Assessing GD&T on Your Drawings • Identifying and understanding items on a drawing: • Applicable standards • Names of geometric tolerances • Which symbols apply to a feature or a feature of size • MMC for each feature of size • Size of the Rule #1 boundary for the features of size • Datums indicated • Amount of bonus tolerance for the position tolerance • Which dimensions are related to a datum reference frame • If geometric tolerances are specified correctly • Answers to the five basic questions for interpreting geometric tolerances
Form Tolerances • Form deviations
• Flatness, straightness, and circularity tolerances • How bonus tolerances affect part processing • Correctly specifying form tolerances
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3 ways to get a no-obligation price quote to deliver a course to your company: Call SAE Corporate Learning at +1.724.772.8529 | Fill out the online quote request at sae.org/corplearning | Email us at corplearn@sae.org
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