The Importance of Engineering Graphical Communication Presented By: Karl W. Schumacher E.I.T.
What is Engineering Graphical Communications?
• A visualization technique that connects the physical domain to a thought or an idea
Engineering Design
Sketches &
Drawings
Ideas
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What is Engineering Graphical Communications?
• According to the MEC222 course textbook, it is a “complete language used in the design process for visualization, communication, and documentation”
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Why is Engineering drafting a useful skill?
• DWG’s help you to convey your message to a broad spectrum of people:• Engineers inside your field of expertise• Engineers outside of your field of expertise• Technical Professionals (Technicians/Laboratory staff)• Lay (non-technical/non-Engineering) People
• Medical Professionals• Officers• Judicial Figures
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A picture is worth a thousand words…
http://www.robminds.com/2017/01/23/picture-worth-thousand-words-images-talk/
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A Drawing is ALSO worth a thousand words
Let’s see what we can determine from this drawing:
1. Type of fasteners2. Manufacturing
method3. Assembly process4. Kinematics &
operating principle
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Can’t see the forest for the trees…
http://www.explosivebusinesssolutions.com/perfect-my-son/
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Calendar Winding System
How does the shaft coupling and torsion spring fit together?
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Which one do we use on the shop floor?
Does the hand drawing change the meaning of the component?
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Which one should we use?
Manual Drawings
• Creating concept models
• Organize your ideas for use in solid modelling
• In situ visual aids (shop floor)
CAD Station
• Documentation versioning
• Virtualization and visualization (FEA)
• Manufacturing validation (Fit and Function)
• CAM
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Communication: Creating Manufacturing Assembly Plans
http://www.printingnews.com/product/10010768/canon-solutions-america-inc-large-format-printing-systems-oc-arizona-series
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From Solid Models to Technical Documentation
Adapted from OCE GT250 Service Manual
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Drawing Examples: Leaf Jig
Can you spot errors in this sketch?
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Drawing Examples: report communication
Can you spot errors in this sketch?
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Drawing Examples: document your ideas
Can you spot errors in this sketch?
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As a Mechanical Engineer you should also be able to convert these…
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