ert 249 computer aided design (cad) for biosystem engineering prepared by: samera binti samsuddin...

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C C omputer Aided Design omputer Aided Design (CAD) (CAD) For Biosystem For Biosystem Engineering Engineering Prepared By: Prepared By: Samera binti Samsuddin Sah Samera binti Samsuddin Sah Email: [email protected] Email: [email protected] Phone: 04-9798835/016-4144537 Phone: 04-9798835/016-4144537

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Page 1: ERT 249 Computer Aided Design (CAD) For Biosystem Engineering Prepared By: Samera binti Samsuddin Sah Email: samera@unimap.edu.my Phone: 04-9798835/016-4144537

ERT 249ERT 249CComputer Aided Design omputer Aided Design

(CAD)(CAD)For Biosystem For Biosystem EngineeringEngineering

Prepared By:Prepared By:

Samera binti Samsuddin SahSamera binti Samsuddin Sah

Email: [email protected]: [email protected]

Phone: 04-9798835/016-Phone: 04-9798835/016-41445374144537

Page 2: ERT 249 Computer Aided Design (CAD) For Biosystem Engineering Prepared By: Samera binti Samsuddin Sah Email: samera@unimap.edu.my Phone: 04-9798835/016-4144537

Learning OutcomesLearning Outcomes

Page 3: ERT 249 Computer Aided Design (CAD) For Biosystem Engineering Prepared By: Samera binti Samsuddin Sah Email: samera@unimap.edu.my Phone: 04-9798835/016-4144537

Assessment and GradingAssessment and Grading

Page 4: ERT 249 Computer Aided Design (CAD) For Biosystem Engineering Prepared By: Samera binti Samsuddin Sah Email: samera@unimap.edu.my Phone: 04-9798835/016-4144537

HistoryHistory

Page 5: ERT 249 Computer Aided Design (CAD) For Biosystem Engineering Prepared By: Samera binti Samsuddin Sah Email: samera@unimap.edu.my Phone: 04-9798835/016-4144537

Evolution of CADEvolution of CAD

Page 6: ERT 249 Computer Aided Design (CAD) For Biosystem Engineering Prepared By: Samera binti Samsuddin Sah Email: samera@unimap.edu.my Phone: 04-9798835/016-4144537

IntroductionIntroduction

Page 7: ERT 249 Computer Aided Design (CAD) For Biosystem Engineering Prepared By: Samera binti Samsuddin Sah Email: samera@unimap.edu.my Phone: 04-9798835/016-4144537

Engineering DrawingEngineering Drawing

Page 8: ERT 249 Computer Aided Design (CAD) For Biosystem Engineering Prepared By: Samera binti Samsuddin Sah Email: samera@unimap.edu.my Phone: 04-9798835/016-4144537

Computer Aided Design Computer Aided Design (CAD)(CAD)

Page 9: ERT 249 Computer Aided Design (CAD) For Biosystem Engineering Prepared By: Samera binti Samsuddin Sah Email: samera@unimap.edu.my Phone: 04-9798835/016-4144537

Computer Aided DesignComputer Aided Design

Computer software

Geometric Modelling

CAD

Tools in design

process

The integration of computer software and geometric model to serve the design process

Page 10: ERT 249 Computer Aided Design (CAD) For Biosystem Engineering Prepared By: Samera binti Samsuddin Sah Email: samera@unimap.edu.my Phone: 04-9798835/016-4144537

Design ProcessDesign Process

Page 11: ERT 249 Computer Aided Design (CAD) For Biosystem Engineering Prepared By: Samera binti Samsuddin Sah Email: samera@unimap.edu.my Phone: 04-9798835/016-4144537

Contribution of CAD in Contribution of CAD in designdesign

Page 12: ERT 249 Computer Aided Design (CAD) For Biosystem Engineering Prepared By: Samera binti Samsuddin Sah Email: samera@unimap.edu.my Phone: 04-9798835/016-4144537

Design FormatsDesign Formats

Page 13: ERT 249 Computer Aided Design (CAD) For Biosystem Engineering Prepared By: Samera binti Samsuddin Sah Email: samera@unimap.edu.my Phone: 04-9798835/016-4144537

3D Geometric Primitives3D Geometric Primitives

Page 14: ERT 249 Computer Aided Design (CAD) For Biosystem Engineering Prepared By: Samera binti Samsuddin Sah Email: samera@unimap.edu.my Phone: 04-9798835/016-4144537

CAD Software ProductCAD Software Product

Page 15: ERT 249 Computer Aided Design (CAD) For Biosystem Engineering Prepared By: Samera binti Samsuddin Sah Email: samera@unimap.edu.my Phone: 04-9798835/016-4144537
Page 16: ERT 249 Computer Aided Design (CAD) For Biosystem Engineering Prepared By: Samera binti Samsuddin Sah Email: samera@unimap.edu.my Phone: 04-9798835/016-4144537

Advantages of CADAdvantages of CAD

1.

2.

3.

4.

Page 17: ERT 249 Computer Aided Design (CAD) For Biosystem Engineering Prepared By: Samera binti Samsuddin Sah Email: samera@unimap.edu.my Phone: 04-9798835/016-4144537

Advantages of CAD

Page 18: ERT 249 Computer Aided Design (CAD) For Biosystem Engineering Prepared By: Samera binti Samsuddin Sah Email: samera@unimap.edu.my Phone: 04-9798835/016-4144537

CAD CapabilityCAD Capability

Page 19: ERT 249 Computer Aided Design (CAD) For Biosystem Engineering Prepared By: Samera binti Samsuddin Sah Email: samera@unimap.edu.my Phone: 04-9798835/016-4144537

Limitation of CADLimitation of CAD(within scope of drawing creation)(within scope of drawing creation)

Page 20: ERT 249 Computer Aided Design (CAD) For Biosystem Engineering Prepared By: Samera binti Samsuddin Sah Email: samera@unimap.edu.my Phone: 04-9798835/016-4144537

Limitation of CADLimitation of CAD(within scope of drawing (within scope of drawing

creation)creation)

Page 21: ERT 249 Computer Aided Design (CAD) For Biosystem Engineering Prepared By: Samera binti Samsuddin Sah Email: samera@unimap.edu.my Phone: 04-9798835/016-4144537

Limitation of CADLimitation of CAD(within scope of drawing (within scope of drawing

interpretation)interpretation)

Page 22: ERT 249 Computer Aided Design (CAD) For Biosystem Engineering Prepared By: Samera binti Samsuddin Sah Email: samera@unimap.edu.my Phone: 04-9798835/016-4144537

Basic Information Basic Information Included in a DrawingIncluded in a Drawing

Page 23: ERT 249 Computer Aided Design (CAD) For Biosystem Engineering Prepared By: Samera binti Samsuddin Sah Email: samera@unimap.edu.my Phone: 04-9798835/016-4144537

Projected ViewsProjected Views

Page 24: ERT 249 Computer Aided Design (CAD) For Biosystem Engineering Prepared By: Samera binti Samsuddin Sah Email: samera@unimap.edu.my Phone: 04-9798835/016-4144537

A Table ExampleA Table Example

Page 25: ERT 249 Computer Aided Design (CAD) For Biosystem Engineering Prepared By: Samera binti Samsuddin Sah Email: samera@unimap.edu.my Phone: 04-9798835/016-4144537

DimensionsDimensions

Page 26: ERT 249 Computer Aided Design (CAD) For Biosystem Engineering Prepared By: Samera binti Samsuddin Sah Email: samera@unimap.edu.my Phone: 04-9798835/016-4144537
Page 27: ERT 249 Computer Aided Design (CAD) For Biosystem Engineering Prepared By: Samera binti Samsuddin Sah Email: samera@unimap.edu.my Phone: 04-9798835/016-4144537

A Dimensioning ExampleA Dimensioning Example

Page 28: ERT 249 Computer Aided Design (CAD) For Biosystem Engineering Prepared By: Samera binti Samsuddin Sah Email: samera@unimap.edu.my Phone: 04-9798835/016-4144537

More basic informationMore basic information

Page 29: ERT 249 Computer Aided Design (CAD) For Biosystem Engineering Prepared By: Samera binti Samsuddin Sah Email: samera@unimap.edu.my Phone: 04-9798835/016-4144537

ISO International Standards Organization

Standard CodeStandard Code

ANSI American National Standard InstituteUSA

JIS Japanese Industrial StandardJapan

BS British StandardUK

AS Australian StandardAustralia

Deutsches Institut für NormungDINGermany

Country Code Full name

มอก. สำ��นั�กง�นัม�ตรฐ�นัผลิ�ตภั�ณฑ์�อ�ตสำ�หกรรมThailand

Page 30: ERT 249 Computer Aided Design (CAD) For Biosystem Engineering Prepared By: Samera binti Samsuddin Sah Email: samera@unimap.edu.my Phone: 04-9798835/016-4144537

Basic Line Types Basic Line Types

Types of Lines AppearanceName according

to application

Continuous thick line Visible line

Continuous thin line Dimension line

Extension line

Leader line

Dash thick line Hidden line

Chain thin line Center line

Page 31: ERT 249 Computer Aided Design (CAD) For Biosystem Engineering Prepared By: Samera binti Samsuddin Sah Email: samera@unimap.edu.my Phone: 04-9798835/016-4144537

Visible linesVisible lines represent features that can be seen in the

current view

Meaning of LinesMeaning of Lines

Hidden linesHidden lines represent features that can not be seen in

the current view

Center lineCenter line represents symmetry, path of motion, centers

of circles, axis of axisymmetrical parts

Dimension and Extension linesDimension and Extension lines indicate the sizes and

location of features on a drawing

Page 32: ERT 249 Computer Aided Design (CAD) For Biosystem Engineering Prepared By: Samera binti Samsuddin Sah Email: samera@unimap.edu.my Phone: 04-9798835/016-4144537

ExampleExample : : Line conventions in engineering drawingLine conventions in engineering drawing

Page 33: ERT 249 Computer Aided Design (CAD) For Biosystem Engineering Prepared By: Samera binti Samsuddin Sah Email: samera@unimap.edu.my Phone: 04-9798835/016-4144537

Line ConventionLine Convention

Precedence of coincide lines.

Hidden line drawing.

Center line drawing.

Page 34: ERT 249 Computer Aided Design (CAD) For Biosystem Engineering Prepared By: Samera binti Samsuddin Sah Email: samera@unimap.edu.my Phone: 04-9798835/016-4144537

Precedence of LinePrecedence of Line

Visibleline

Visibleline

Order ofimportance

Hiddenline

Hiddenline

Centerline

Centerline

Page 35: ERT 249 Computer Aided Design (CAD) For Biosystem Engineering Prepared By: Samera binti Samsuddin Sah Email: samera@unimap.edu.my Phone: 04-9798835/016-4144537

Hidden Line PracticeHidden Line Practice

Hidden line should join a visible line, except itextended from the visible line.

Correct

No !

Join

Leavespace

Page 36: ERT 249 Computer Aided Design (CAD) For Biosystem Engineering Prepared By: Samera binti Samsuddin Sah Email: samera@unimap.edu.my Phone: 04-9798835/016-4144537

Correct No !

Hidden line should join a visible line, except itextended from the visible line.

Leavespace

Leavespace

Hidden Line PracticeHidden Line Practice

Page 37: ERT 249 Computer Aided Design (CAD) For Biosystem Engineering Prepared By: Samera binti Samsuddin Sah Email: samera@unimap.edu.my Phone: 04-9798835/016-4144537

Hidden line should intersect to form L and Tcorners.

Correct

No !

L T

Hidden Line PracticeHidden Line Practice

Page 38: ERT 249 Computer Aided Design (CAD) For Biosystem Engineering Prepared By: Samera binti Samsuddin Sah Email: samera@unimap.edu.my Phone: 04-9798835/016-4144537

Hidden arcs should start on a center line.

Hidden Line PracticeHidden Line Practice

Page 39: ERT 249 Computer Aided Design (CAD) For Biosystem Engineering Prepared By: Samera binti Samsuddin Sah Email: samera@unimap.edu.my Phone: 04-9798835/016-4144537

Centre Line PracticeCentre Line Practice

In circular view, short dash should cross at the

intersections of center line.

For small hole, center line is presented as thin

continuous line.

Center line should not extend between views.

Leave space Leave space

Page 40: ERT 249 Computer Aided Design (CAD) For Biosystem Engineering Prepared By: Samera binti Samsuddin Sah Email: samera@unimap.edu.my Phone: 04-9798835/016-4144537

Leave the gap when centerline forms a

continuation with a visible or hidden line

Leavespace

Leavespace

Leavespace

Leavespace

Center line should always start and end with

long dash.

Centre Line PracticeCentre Line Practice

Page 41: ERT 249 Computer Aided Design (CAD) For Biosystem Engineering Prepared By: Samera binti Samsuddin Sah Email: samera@unimap.edu.my Phone: 04-9798835/016-4144537

ScalingScaling

Page 42: ERT 249 Computer Aided Design (CAD) For Biosystem Engineering Prepared By: Samera binti Samsuddin Sah Email: samera@unimap.edu.my Phone: 04-9798835/016-4144537

Drawing SheetDrawing Sheet

•Trimmed paper of a size A0 ~ A4.

•Standard sheet size (JIS)

A4 210 x 297

A3 297 x 420

A2 420 x 594

A1 594 x 841

A0 841 x 1189

A4

A3

A2

A1

A0

(Dimensions in millimeters)

Page 43: ERT 249 Computer Aided Design (CAD) For Biosystem Engineering Prepared By: Samera binti Samsuddin Sah Email: samera@unimap.edu.my Phone: 04-9798835/016-4144537

Drawing space Drawingspace

Title block

d

d

c

c

cBorder lines

1. Type X (A0~A4) 2. Type Y (A4 only)

Orientation of drawing sheetOrientation of drawing sheet

Title block

Sheet size c (mm) d (mm) A4 10 25 A3 10 25 A2 10 25 A1 20 25 A0 20 25

Page 44: ERT 249 Computer Aided Design (CAD) For Biosystem Engineering Prepared By: Samera binti Samsuddin Sah Email: samera@unimap.edu.my Phone: 04-9798835/016-4144537

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