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Published on February 16, 2014

Author: SID2105

Source: slideshare.net

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In this presentation we cover process engineering and some basic drafting conventions

Week 5 Week 5 Business Applications IDES 2105 Computer Applications

Applications Matrix More Storage Week 5 Investigative (creative) Less Storage Heavy Processing Faster Graphics Science & Technology Media & Entertainment • Algorithms • Modeling • BIG Data • Resolution • Reproduction • Speed Large Organization Small Organization Business Logistics & Process Engineering Marketing & Communications • Price • Networking • Consumers • Accuracy • Reliability • Repeatability Slower Graphics Less Processing More Storage IDES 2105 Computer Applications Logistics (process) Less Storage

Process Engineering Week 5 Market Data Analytics Digital Models Renderings Systems Advertising Products Tech Drawings IDES 2105 Computer Applications

Process Engineering Innovation sketches Design Digital Models Efficiency Tech Drawings SOURCE: The Design of Business: Why Design Thinking is the Next Competitive Advantage is a book published in 2009 by Roger Martin, Dean of the University of Toronto's Rotman School of Management. IDES 2105 Computer Applications Week 5 (Food) (Restaurant) (McDonalds)

Process Engineering Week 5 Heuristic 1. Refers to experience-based techniques for problem solving, learning, and discovery that give a solution which is not guaranteed to be optimal (i.e. “rule of thumb”) in more precise terms, heuristics are strategies using readily accessible, though loosely applicable, information to control problem solving in human beings and machines. http://en.wikipedia.org/wiki/Heuristic Algorithm 1. An effective method expressed as a finite list of well-defined instructions for calculating a function. Starting from an initial state and initial input (perhaps empty), the instructions describe a computation that, when executed, proceeds through a finite[number of well-defined successive states, eventually producing "output“ http://en.wikipedia.org/wiki/Algorithm#Informal_definition 2. Procedure that produces the answer to a question or the solution to a problem in a finite number of steps. http://www.merriam-webster.com/dictionary/algorithm IDES 2105 Computer Applications

Process Engineering IDES 2105 Computer Applications Week 5

Process Engineering Input algorithm Original Week 5 Output Digital Copy Digital Image Tech Drawing IDES 2105 Computer Applications

Process Engineering Original Week 5 Parametric Model Digital Copy mesh surface solid Evaluate Transformation Cycle Duplicate IDES 2105 Computer Applications Process Analog Copy

Quality Process Digital Copy Week 5 CNC Tool Paths G-Code Evaluation Cycle CMM Inspection IDES 2105 Computer Applications Spec Drawing Part

Quality Process IDES 2105 Computer Applications Week 5

Quality Process IDES 2105 Computer Applications Week 5

Quality Process IDES 2105 Computer Applications Week 5

Quality Process IDES 2105 Computer Applications Week 5

Quality Process Week 5 Precision is the degree to which repeated measurements under unchanged conditions show the same results. A measurement system can be accurate but not precise, precise but not accurate, neither, or both. http://en.wikipedia.org/wiki/Accuracy Accuracy In the fields of science, engineering, industry, and statistics, the accuracy of a measurement system is the degree of closeness of measurements of a quantity to that quantity's actual (true) value http://en.wikipedia.org/wiki/Accuracy Reliability the ability of a system or component to function under stated conditions for a specified period of time http://en.wikipedia.org/wiki/Reliability_engineering IDES 2105 Computer Applications Repeatability is the variation in measurements taken by a single person or instrument on the same item and under the same conditions. http://en.wikipedia.org/wiki/Repeatability

Quality Process IDES 2105 Computer Applications Week 5

Quality Process IDES 2105 Computer Applications Week 5

Technical Drawings IDES 2105 Computer Applications Week 5

Technical Drawings IDES 2105 Computer Applications Week 5

Technical Drawings • Technical drawing standards were first introduced about 60 years ago. • In Canada we use the CSA CANB78. This standard is similar to most other standards such as ISO (International Standards Association) and ANSI (American National Standards Institute). IDES 2105 Computer Applications Week 5

Technical Drawings Orthographic Views • Use as many views as necessary to show the design intent • Always draw to scale (indicate standard scale in title block and label scale if different from this) • Always use 3rd angle projection in North America • Put an ISO Symbol on each page to show 3rd angle projection IDES 2105 Computer Applications Week 5

Technical Drawings IDES 2105 Computer Applications Week 5

Technical Drawings Enlarged Detail Views Small but important details should be enlarged as if looked upon through looking glass. The detailed view should be called out and named. The detail should be oriented in the same way as the main view and identified through name and scale. 3D Views Isometric or perspective views can be helpful in terms of interpreting a drawing, but are complimentary and subordinate to orthographic and other views. They are often included but drawn at a smaller scale. IDES 2105 Computer Applications Week 5

Technical Drawings Exploded Views • These help explain how parts are held together. These are not usually required in technical drawings, except for assembly floor drawings. Sectional Views • Section views are drawn so that the viewer is looking at the cutting plane in the direction of the cutting plane arrows • Place sections behind arrows of cutting plane (arrows indicate view direction), when possible. Otherwise name them and relocate to another sheet. They should be projected in 3rd angle. IDES 2105 Computer Applications Week 5

Technical Drawings GA – General Arrangement • A GA is a common deliverable for industrial designers. The GA communicates the design intent of a product prior to part design finalization. • The GIA includes a Bill of Materials (BOM), which specifies materials and textures for exterior parts. • GIA’s typically include different views, primarily orthographic and sectional. Adobe Illustrator is commonly used as a drawing tool. IDES 2105 Computer Applications Week 5

Technical Drawings GA – General Assembly • As the product is finalized for production, the GIA evolves into an assembly of parts. This general assembly drawing will reference parts, which of course need to fit together in mass production. • All specific notes about materials, colours and textures are transferred to the part drawings (see below) at this point. The BOM is therefore updated to read as a parts list. IDES 2105 Computer Applications Week 5

Technical Drawings PD – Part Drawings • These are the final drawings for each part in the product. They contain notes about manufacturing issues: material, colour, texture, production tolerance and so on. • Part drawings usually contain critical dimensions for fit, but not necessarily all dimensions for manufacturing, since tools are often machined from the 3D data. IDES 2105 Computer Applications Week 5

Technical Drawings Geometric Dimensioning & Tolerance (GD&T) IDES 2105 Computer Applications Week 5

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