Cad Week 02 Slide

Week 2 Editing & Modifying Sketches:

Kulliyyah of Engineering International Islamic University

MME 1102 COMPUTER AIDED DRAFTING Section 2

Editing and Modifying Tools ► Extend

Figure ► Trim Figure ► 2D Fillet ► 2D Chamfer ► Mirror ► Move ► Rotate ► Repeat: (a) Linear (b) Circular

Extend Figure ► ►

is used to extend the sketched entity to intersect the next available entity. The sketched entity is extended up to its intersection with another sketched entity or a model edge. Entities to be selected for extending

Sketched entities before extending

Sketched entities after extending

Trim Figure ► To

remove unwanted intersect portion of a sketched element

Entities to be trimmed

Sketch after trimming the entities

2D Fillet ► To

create a corner between 2 intersection with a given radius

Sketched entities before and after filleting

Sketched entities before and after filleting

2D Chamfer ► To

create a chamfer of a figure with a given distance. Default 45 degree.

Entities to be selected for chamfering

Entities to be chamfered

Distance of chamfering

Sketched entities after chamfering

Mirror ► Creating

a reflection copy of the figure about an axis line

Move ►

is used to move the selected entities from its base location to a desired location.

Start point of translation End point of translation

Rotate ►

is used to spin the selected entities from its base location to a desired location.

Centre point of rotation

Repeat While sketching the base feature of a model, sometimes you may need to place the sketched entities in a particular arrangement such as along linear edges or around a circle.

Base feature with slots created about linear edges

Base feature with slots created around a circle

Repeat: Linear

horizontal linear path original

vertical linear path

Repeat: Circular original

centre of rotation

Practice W2-1 In this practice, you will draw the sketch shown in Figure B on one side and then mirror it on the other side. The solid model is given only for your reference. Use Dimension tool to dimension the sketch accordingly.

Figure A Model for Practice 1-1

Figure B Sketch of Practice 1-1

Practice W2-2 In this practice, you will draw the sketch of the model, as shown in Figure A. The sketch is shown in Figure B using Profile and Rectangle tool. You will not dimension the sketch. The solid model and the dimensions are given only for your reference.

Figure A: Solid Model for Practice 1-2

Figure B: Sketch of the Model

Class Assignment W2-1 Save as: c1w1.CATpart

Draw the sketch of the model shown in Figure A. The sketch to be drawn is shown in Figure B. Complete the drawing with correct dimensions by adjusting grid spacing to 10 mm.

Figure A : Solid model for Class Assignment W1

Figure B : Sketch of the model

Submit your class assignment (filename indicate above) at http://10.101.230.65:8080/cad.php

Class Assignment W2-2 ► Draw

the sketch using the tools you have learned so far.

Submit your class assignment (filename indicated above) at http://10.101.230.65:8080/cad.php

Home Assignment W2-1 Save as: h1w1.CATpart Complete the drawing in Figure B with correct dimensions using all the tools that you have learned previously.

Figure A : Model for Home Assignment 1

Figure B : Sketch for Home Assignment 1

To be submitted on Week 2 class at http://10.101.230.65:8080/cad.php

Home assignment W2-2 Draw one segment of the object and use the tools to draw all segments and complete the sketch

3. Circle 1. Construction line

2. Circle

To be submitted on Week 3 class at http://10.101.230.65:8080/cad.php