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Communicating Solutions

Learn about the importance of communicating design solutions through working drawings. Explore different types of drawings, such as detailed, assembly, and schematic drawings, and understand their classifications. Discover industry guidelines, standard symbols, line types, and dimensioning techniques.

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Communicating Solutions

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  1. Communicating Solutions Prepared by J. John Shiny Assistant Professor, Information Technology, Thiagarajar College of Engineering

  2. Communicating Design Solutions • Once engineers complete their initial design, they begin to create solutions via • Analyze Designs • Choose Solutions • Communicating Solutions

  3. Engineering drawings • Usage of Engineering Drawings for further design of their ideas • Appropriate drawing ensure that designs must be clear to managers, fellow team members and customers • Created to communicate their products that will be manufactured

  4. Working Drawings • Extremely detailed and follow strict standards-ANSI Classified into • Detailed drawings • Assembly Drawings • Schematic Drawings

  5. Working Drawings CONT….. 1. Detailed Drawings • Exact shape and size of an object with dimensions • Similar to architecture diagram of a project

  6. Working Drawings Cont….. 2. Assembly Drawings • How different parts fit together to create the entire object • Exploded view drawings • Show the relationship between objects • Ex: Guide to Assemble and dissemble the parts of a car

  7. Working Drawings Cont….. 3. Schematic Drawings • Entire system • How different parts are connected together to form a system • How parts of a system work together • Standard symbols • Helpful in diagnosing a system problems • Ex: Flow of electricity between different parts of the circuit

  8. Drawing Classifications 1.Orthographic Drawings • Multiple views to describe the shape and size of an object • Developed as a rough sketch used to show the overall view of the object • Created using orthographic projection • Visualization –ability to mentally see a representation of a product • Classified into one view, two view and three view

  9. Drawing Classifications cont… 1.1 One-view Drawings • Flat pieces • Top view 1.2 Two-view Drawings • Cylindrical objects and objects with round shape • Front and bottom or top view 1.3 Three-view Drawings • Rectangular objects • Front, top and side view

  10. Drawing Classification Cont.… 2.Pictorial Drawings • Similar to a direct view of an object • Used by people who do not understand orthographic drawings • Classified into Isometric, Oblique, Perspective drawings

  11. Drawing Classification Cont.… 2.1 Isometric Drawings • Drawn using standard angles • Dimensions must be accurate 2.2 Oblique Drawings • Highlight one side of the drawing • Front view 2.3 Perspective Drawings • Simulate what the eye sees if looking at the object • Vanishing point- spot at which receding lines converge

  12. Drawing Guidelines 1.Symbols • Symbols are used to represent different entities in drawing • Properties of a specific object • ANSI and ISO standards

  13. Drawing Guidelines Contd… 2.Line types • Highlight different parts of design • Construction Line • Layout the drawing • Reference points- removed finally • Object Line _______ • Outline and edges of the object • Hidden Line ---------- • Show parts of the drawing that are hidden from sight of view • Center Line __ _ __ _ • Show the center point of an object • Border Line ________ • Create a border around the edges of the paper

  14. Drawing Guidelines Contd… 3.Scale • Drawing may be drawn at full scale(1:1) i.e all lines on the paper are identical to the size of actual product • Twice size of an actual object (2:1) • One quarter size of an actual object(1:4) • Depending on the size of the object and amount of space on the paper

  15. Drawing Guidelines Contd… 4.Dimensioning • Describe the size of the object and the Location of different features in the design • Two different types of lines • Extension lines • Drawn every near edge of the object • Dimension lines • Drawn between extension lines and have arrows at the end of each line

  16. Drawing Guidelines Contd… • Three types of dimensions 4.1 Size Dimensions • Describe the length, width and depth of an object 4.2 Location Dimensions • Show the distance between two different features • Length from the edge of an object to the center of a feature 4.3 Shape Dimensions • Detailed information about shape of features • Show angles between different features of the object

  17. Dimensioning rules • Dimensions should not be placed inside an object • It should be placed between views • The location and size of all circles and arcs must be shown • leader

  18. Industry Guidelines • Drawing Elements • Nomenclature • Drafting Practices • Types of Drawing • Drawing Revisions • Design References, Standards, and Specification

  19. Summary • The communication of solutions is important to make clear design • Working Drawings • Drawing classification • Standard symbols • Line types • Dimensioning • Industry Guidelines

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