CE En 112 Engineering Drawing with CAD Application

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CE En 112 Engineering Drawing with CAD Application Chapter 1: Introduction to Graphics Communication

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Lecture Outline Introduction (1.1 – 1.5, 1.7) What will you learn? (1.9) Drawing apparatuses (1.8) Media (1.8.2) Alphabet of lines (1.6) Scales (1.8.3 – 1.8.5) Next class Section numbers appeared here apply to Chapter 1 of Textbook (B) from Bertoline-Wiebe-Miller "Basics of Graphics Communication, 3/e)

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After finishing this part, you will have the capacity to: Describe why the utilization of representation is a viable methods for imparting when outlining Define measures and traditions as connected to specialized drawings Describe the plan procedure Identify the imperative customary devices used to make specialized drawings Use portraying to draw lines, circles, bends, and bends Read and utilize scales Identify the sorts and thickness of the different lines in the letters in order of lines Create an outline portray utilizing pencil Identify and utilize portraying instruments Follow great hand-lettering hone

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Introduction (1.1-1.5, 1-7) Engineers: Creative individuals who utilize specialized intends to take care of issues. They plan items, frameworks, gadgets, and structures to enhance our living conditions. (p.4) Technical Drawings: an unmistakable, exact dialect (non-verbal) utilized as a part of the plan procedure for imparting, taking care of issues, rapidly and precisely picturing articles, and leading investigations A graphical portrayal of items and structures is done utilizing freehand, mechanical, or PC strategies

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Introduction (con't) 92% of the outline procedure is graphical The rest of the 8% is science and composed correspondence Breakdown of Engineer's opportunity Who utilizes designing illustrations? All angles incorporate representation correspondence Fig. 1.1

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Introduction (con't) Practice Exercise 1.1 Attempt to depict the part appeared in this figure verbally to the individual situated alongside you Fig. 1.89 How simple is it to portray a section, for example, this without the utilization of illustrations?

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Introduction (con't) A developing plan handle: Traditional: A straight, divided movement including issue distinguishing proof, preparatory thoughts, outline refinements, examination, advancement, and documentation Concurrent: A group action including coordination of the specialized and non-specialized elements of plan and assembling inside a business The CAD database turns into a correspondence medium. Fig. 1.12 Fig. 1.14 Fig. 1.15

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What Will You Learn? (1.9) CE En 112 Manual Drafting

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What Will You Learn? (con't) Artistic drawing versus Specialized drawing What's the distinction?

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What Will You Learn? (con't)

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What Will You Learn? (con't) Multiview versus Isometric Cavalier versus Bureau sideways Perspective versus Slanted

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What Will You Learn? (con't) Drawing Conventions (1.5): ordinarily acknowledged practices, guidelines, or strategies (e.g., dashed line for concealed element) Standards (1.5): arrangement of principles that oversee how specialized drawings are spoken to (e.g., ANSI measures)

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Drawing Tools (1.8)

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Drawing Tools (con't) The utilization of drafting devices

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Media (1.8.2) Media: surfaces whereupon a designer or technologist conveys graphical data. Distinctive sorts include: Tracing paper (a thin, translucent paper utilized for detail drawings) Vellum (following paper artificially treated to enhance translucency) Polyester film (straightforward, waterproof, and hard to tear, "Mylar") The American National Standard Institute (ANSI) has set up standard sheet sizes and title obstructs for media utilized as a part of specialized drawings

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Media (con't)

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Alphabet of Lines (1.6) Pencil Grades Line Weight Remember that Accuracy, Neatness, and Speed check in specialized drawing

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Alphabet of lines (con't)

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Alphabet of lines (con't)

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Alphabet of lines (con't) AutoCAD ® Linetypes ACAD ISO arrangement lines are vast. For this class, utilize standard line sorts beginning from BORDER to PHANTOM lines. We will see these line sorts in AutoCAD.

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Scales (1.8.3 – 1.8.5) Civil Engineering Scale

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Scales (con't) Reading a structural designer's scale Refer to the Chapter 1 Supplement for different sorts of scales.

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Next Manual Drafting Lecture (Jan 29) Purchase drafting apparatuses required for manual drafting bit of class on the off chance that you have not done as such Read Chapter 2 in the representation correspondence book