ENB316 Design of Machine Elements Lesson2

7/28/2019 ENB316 Design of Machine Elements Lesson2

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ENB 316 Design of Machine elements

Dr Wijitha Senadeera 5

Lesson 2

Learning objectives

Introduction to Solidworks Learn about various modes of Solidworks Opening and Invoking SolidWorks Tools Learning how to draw sketches Edit sketches using various editing tools. Create rectangular and circular patterns of sketched entities. Write text in the sketching environment. Modify sketched entities.

Solidworks is a feature based parametric solid modelling mechanical and automation

software. It can be used as the platform software for a number of softwares, i.e. youcan use other compatible softwares within the Solidworks window. There are number

of other softwares provided as Add-Ins with Solidworks, such as Photo work,

Toolbox and COSMOS/Works.

There are three different design environments provided in the Solidworks to reduce

complications in design;

1. Part Mode2. Assembly Mode3. Drawing Mode

Part Mode You can create solid models in this feature based environment. There

are three default planes (Front Plane, Top Plane and Right Plane) on which you draw

sketches. Complicated surfaces can be created with surface modelling when you are

in Part Mode. Also annotations can be added to the model within the Part Mode (eg.

Weld symbols, geometric tolerances, surface finish symbol etc.).

Assembly Mode You can assemble components of the assembly with the help of

required tools. Two methods of assembling methods are;

(a)Bottom-up assembly Traditional and most widely accepted approach ofassembly. All components are created in separate part document in Part Mode

and use when assembling.

(b)Top-down assembly Components are created in same assembly documentand saved as separate part files. They are used for assembling.

Drawing Mode This is the place where, documentation of the part or assemblies

takes place. Drawing views and details in the drawing views can be produced with

this mode. There re two forms of drafting done in SolidWorks.

(a)Generative drafting needs a 3D document (part or assembly) to generateviews and geometry

(b) Interactive drafting can design parts without any 3D geometry


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Starting Solidworks

Log into the Computer using your, username and password. Choosing the Start

button choose Programs to display the program menu and choose Solidworks as

shown in the Figure. This may not be the exact Figure you are getting, a similarFigure can appear.

Figure 1 Starting SolidWorks using the taskbar shortcuts

Double click SolidWorks 2008, SolidWorks 2008 window is opened and the

SolidWorks Resource Task Pane is displayed on the right. What you see is similar

to the Figure below.


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Figure 2 SolidWorks 2008 window and theSolidWorks Resource Task Pane

New document


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Choose the New Document button from the window then New SolidWorks

Document dialog box is displayed. As you are designing a New Part click the Part

box in New SolidWorks Document dialogue box.

Figure 3 The New SolidWorks Document dialog box

The initial screen display when you start a part file, using the New button in the

Standard toolbar, is shown below.


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Figure 4 Initial screen of a new part file and its components

MENU BAR TOOLBAR

The tools that are in the Standard toolbar are now available in the Menu Bar toolbar.

This toolbar is available above the drawing area. Move the cursor on the SolidWorks

logo on the top left corner of the display area, the Menu Bar menus will be displayedas cascading menu. Fix them by choosing the push-pin button.

COMMANDMANAGER

Options to invoke a tool in SolidWorks:

Command Manager

Menu Bar Toolbar menus available on the top of the screen

Shortcut menu.

Different types ofCommand Managers are used for different design environments


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Part Mode Command Managers

A number ofCommand Managers can be invoked in the Part mode.

Sketch Command Manager - Used to enter and exit the 2D sketching environmentand the 3D sketching environment. Used to draw sketches for the features and shown

in Figure 5.

Figure 5 Sketch Command Manager

Figure 6 Features Command Manager

Figure 7 DimXpert Command Manager

Figure 8 Sheet Metal command Manager


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Figure 9 Molds Command Manager

Figure 10 Evaluate Command Manger

Figure 11 Surface Command Manager

Assembly Mode Command Managers

Used to assemble the components, create an explode line sketch, and simulate theassembly.

Assemble Command Manager - Used to insert a component and apply various types

of mates to the assembly. Move and rotate the component in the assembly, change the

hidden and the suppression state of the assembly and individual components, edit the

component of an assembly, and so on. The Assemble Command Manager is shown inFigure 12.

Figure 12 Assembly Command Manager


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Drawing Mode Command Managers

A number of Command Managers can be invoked in the Drawing mode. The

Command Managers that are extensively used during the designing process in this

mode are discussed next.

View Layout Command Manager - Used to generate the drawing views from an

existing model or an assembly.

Figure 13 View Layout Command Manager

Annotate Command Manager - Used to generate the model items and to add the

notes, balloons, geometric tolerance, surface finish symbols, and so on to the drawing

views

Figure 14 Annotate Command Manager

Customized Command Manager

You can create a customized Command Manager to cater your needs

TOOLBAR

If you hide the Command Manager to increase the drawing area, you can use thetoolbars to invoke a tool

Pop-up Toolbar

Introduced in SolidWorks 2008. Select a feature or an entity and do not move the

mouse.

Figure 15 The pop-up toolbar


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Heads-up View Toolbar

Display tools are grouped together and displayed in the drawing area

Figure 16 Heads-up View Toolbar

Customizing the Command Managers and Toolbars

Choose Tools > Customize from the Menu Bar menus to display the Customize

dialog box. Drag the mouse to a CommandManager or a toolbar and release the left

mouse button to place the button on that CommandManager or toolbar

Shortcut Bar

Press the S key on the keyboard and you can customize the shortcut bar

DIMENSIONING STANDARD AND UNITS

While installing SolidWorks on your system, you can specify the units and the

dimensioning standard for dimensioning the model. You are provided with many

dimensioning standards such as ANSI, ISO, DIN, JIS, BSI, and GOST. You are also

provided with various units such as millimeters, centimeters, inches, and so on.

Other Important things with SolidWorks

Feature-based Modelling Feature is defined as the smallest building block that can

be modified individually. In the software these features understand their fit and

function properly. Hence, feature can be modified at any time during the design

process.

Parametric Modelling This is the ability of the software package to use the standard

properties or parameters in defining the shape and size of a geometry. Eg. You can

change diameter and no of holes by just selecting the feature and change the

dimensions and number of instances of the patterns.

Geometric relations Logical operations that are performed to add a relationship

(tangent or parallel) between sketch entities, planes, axes, edges or vertices. There are

two ways of creating these relations either by Automatic relations (applied

automatically when creating the sketch) or Add relations (add manually).eg.

Horizontal, Midpoint, coincidence etc.

Library feature saves features in this library and use when needed Feature Palette access ready to drop down parts, shafts, key ways, forming

parts etc.

Design table create multi-instance parametric components

Equations analytical and numerical formulae applied to the dimensioning ofthe feature or during or after sketching


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Collision detection in assembly Physical dynamics - With this option selected, the component applies a force

to the component that it touches. As a result, the other component is moved or

rotated within the allowable degrees of freedom

Physical simulation - You can assign and simulate the effect on differentsimulation elements such as linear, rotary motors, and gravity to theassemblies. After creating a simulating assembly you can record and replay

simulation.

Seed Feature and Seed Component - The original feature that is used as theparent feature to create any type of pattern or mirror feature is known as seed

feature. You can edit or modify a seed feature. You cannot edit the instances

of the pattern feature.

Feature Manager Design Tree - The Feature Manager DesignTree is one themost important component of SolidWorks screen. It contains the information

about the default planes, material, lights, and all the features that are added to

the model. When you add features to the model using various modeling tools,

the same are also displayed in the Feature Manager Design Tree

Absorbed Features - Features that are directly involved in creating otherfeatures are known as absorbed features.

Child Features - The features that are dependent on their parent and whoseexistence is not possible without their parent features are known as child

features

Dependent Features - Dependent features are those that depend on their parentfeature but can still exist without the parent feature with some minor

modifications.

AUTO-BACKUP OPTION

SolidWorks also allows you to set the option to save the SolidWorksdocument automatically after a regular interval of time.

To turn this option on, choose Tools >Options from the Menu Bar menus; theSystem Options - General dialog box is displayed. Select the

Backup/Recover option from the display area provided on the left of this

dialog box.

Now, choose the Save auto recover info every check box. The spinner andthe drop-down list provided on the right of the check box are enabled. Using

this spinner and drop-down list, you can set the number of changes or minutes

after which the document would be saved automatically. By default, the backup files are saved in X:\Documents and Settings

\Administrator \Local Settings\TempSWBackupDirectorylocation (where X is the drive in which you have

installed SolidWorks 2008 and theLocal Settingsfolder is a hidden folder).

SELECTING HIDDEN ENTITIES

Sometimes, while working on a model, you need to select an entity that iseither hidden behind another entity or is not displayed in the current

orientation of the view.

SolidWorks allows you to select these entities using the SelectOther option.For example, consider a case where you need to select the back face of a


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Learning Objectives

Understand the requirement of the sketching environment. Open a new part document. Understand various terms used in the sketching environment. Work with various sketching tools. Use the drawing display tools. Delete the sketched entities.THE SKETCHER TASK ENVIRONMENT

A sketch is defined as the basic contour for the feature. The sketching

environment of SolidWorks can be invoked any time in the Part mode or

Assembly mode. Select the plane on which you want to draw the sketch.

Help customization Area

The options available in this area are used to define the type of help you need to

invoke while working with SolidWorks. By default, the I am new user. Show

Quick Tips to help me to get started radio button is selected in this area.

Work flow customization Area

The options available in the Work flow customization area of this dialog box are

used to customize the default visibility of toolbars and menu bars. After setting the

options choose the OK button from the Welcome to SolidWorks dialog box to

close it and view the SolidWorks 2008 window as shown below.


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TASK PANES - Task panes are displayed on the right of the window

SolidWorks Resources Task Pane

By default, the SolidWorks Resources task pane is displayed when you

start the SolidWorks session. Different options provided in the groups available in

this Task Pane are Getting Started, Community, Online Resources and Tip of

the Day.

Design Library

The Design Library task pane is used to browse the default Design

Library available in SolidWorks or the toolbox components, and also to access

the 3D Content Central Web site.

File Explorer

The File Explorer task pane is used to explore the files and folders that are

saved on the hard disk of your computer

View Palette

The View Palette task pane is used to drag and drop the drawing views

into a drawing sheet.

Real View Task Pane

The Real View task pane is used to change the appearance of the model or the

display area.

STARTING A NEW DOCUMENT IN SolidWorks 2008

To start a new document in SolidWorks 2008, choose the New Document option

from the Getting Started group of the SolidWorks Resources Task Pane; the

New SolidWorks Document dialog box will be displayed, as shown in below.

The options provided in this dialog box are Part, Assembly and Drawing.


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UNDERSTANDING THE SKETCHING ENVIRONMENT

To invoke the sketching environment, choose the Sketch button from the

Command Manager and next, choose the Sketch button from the Sketch

Command Manager.


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When you choose sketch button from the sketch command manager, The Edit Sketch

Property Manager appears. Select the plane where you want to draw the sketch

(Front, Top or Right).

The default screen appearance of a SolidWorks part document in the sketching

environment is shown below.


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SETTING THE DOCUMENT OPTIONS

When you install SolidWorks on your system, you can specify the dimensioning

standards and units for measuring linear distances. To modify the settings, choose

Options from the Menu Bar toolbar; the System Options dialog box will bedisplayed. Setting the options for the current document using this dialog box is

explained below.

Modifying the Dimensioning Standards

Choose the DocumentProperties tab. You will notice that the Detailing option is

selected by default in the area on the left and the detailing options are being displayed,

as shown.

Modifying the Linear and Angular Units

To modify the linear and angular units, choose the DocumentProperties tab. Select

the Units option from the area on the left to display the options related to linear and

angular units, as shown in Figure below.


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Modifying the Snap and Grid Settings

Invoke the System Options dialog box. Select the Relations/Snap branch of the

Sketch option. Select the Grid check box and Clear the Snap only when grid isdisplayed check box if it is selected. Choose the DocumentProperties tab to invoke

the Document Properties dialog box. Select the Grid/Snap option to display the

related options, see Figure below.


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LEARNING ABOUT SKETCHER TERMS

The origin is a red color icon that is displayed in the center of the sketching

environment screen. This icon consists of two arrows displaying the X axis and the Y

axis direction. The point of intersection of these two axes is the origin point and the

coordinates of this point are 0,0.

The inferencing lines are the temporary lines that are used to track a particular point

on the screen. These lines are dashed lines and are automatically displayed when you

select a sketching tool in the sketcher environment. These lines are created from the

endpoint of a sketched entity or from the origin. Figure A shows the use of

inferencing lines to locate the point of intersection of two imaginary lines. Figure B

shows the use of inferencing lines to locate the center of an arc.

Figure A

Figure B

SELECT TOOL

The Select tool is used to select a sketched entity or exit any sketching tool that isactive. You can select the sketched entities by picking them one by one using the left


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mouse button. Using the option invert the selection you can remove the entities in

the current selection set and select all the other entities that are not in the current

selection set. Choose Tools, Invert Selection from the menu bar or invoke the Invert

Selection option from the shortcut menu.

SELECTION OF ENTITIES

Box selection - A box is a window created by pressing the left mouse button and

dragging the cursor from left to right in the drawing area.

Cross selection - Press the left mouse button and drag the cursor from right to left in

the drawing area, the cross selection method is invoked.

Selection Using the SHIFT and CTRL Keys - You can also use the SHIFT and the

CTRL keys from the keyboard to manage the selection procedure.

DRAWING LINES

To draw a line in the sketching environment, choose the Line tool from the Sketch

Command Manager or pressing L on the keyboard also invoke the Line tool. The

cursor that was an arrow earlier is replaced by the line cursor. The line cursor is

actually a pencil-like cursor with a small inclined line below the pencil. The Insert

Line Property Manager is displayed as shown in the figure below.

The Orientation rollout is used to define the orientation of the line to be drawn. If

you select the Horizontal radio button, you can only draw horizontal lines. If you

select the Vertical radio button, you can only draw vertical lines. The Angle radio

button is selected to draw lines at a specified angle. The Forconstruction check

box available in this rollout is used to draw a construction line. The Infinitelength

check box is used to draw a line of infinite length.


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Drawing Chain of Continuous Lines - The default method of drawing lines, specify

the start point and the endpoint of the line using the left mouse button. As soon as you

specify the start point of the line, the Line Properties Property Manager will be

displayed without options.

Drawing Individual Lines - To draw individual lines, press and hold down the leftmouse button and drag the cursor from the start point of the line to the endpoint and

release the left mouse button; a line will be drawn between the two points. To make

the process of sketching easy in SolidWorks, you are provided with the Property

Manager. The Property Manager has all parameters related to the sketched entity

such as the start point, endpoint, angle, length, and so on. Figure shows a partial

display of the Line Property Manager.

Line Cursor Parameters - When you draw lines in the sketcher environment, a

numeric value is displayed above the line cursor. This numeric value indicates the

length of the line, is the same as that in the Length spinner of the LineProperty

Manager. The only difference is that in the LineProperty Manager, the value will

be displayed with more precision.

SolidWorks automatically applies the Horizontal (- symbol) and Vertical (I symbol)

relations to the lines drawn in horizontal and vertical directions respectively.


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DRAWING CIRCLES

To draw a circle, choose the Circle button from the Sketch Command Manager, theCircle Property Manager will be displayed.

Drawing Circles by defining their Center points

In CircleProperty Manager, the Circle button is selected by default in theCircle Type rollout. Specify the center point of the circle and then move the cursor to

define its radius. Figure below shows a circle being drawn using the Circletool.


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Drawing Circles by Defining Three Points

The PerimeterCircle tool is used to draw a circle by defining three points on the

periphery.

Drawing a Construction Circle - To sketch a construction circle, draw a circle using

the Circle tool and then select the For construction check box available in the Circle

Property Manager. The Perimetercreation radio button is used to draw a circle by

defining three points on it.

DRAWINGS ARCS

Three methods are available: Tangent/Normal Arc, Center point Arc, and 3 Point

Arc. All these methods can be invoked separately by choosing flyout displayed bychoosing the down arrow on the right of the Centerpoint Arc tool from the Sketch

Command Manager.

Drawing Tangent/Normal Arcs

To draw a tangent arc, invoke the Tangent Arc tool and then move the arc

cursor close to the endpoint of the entity that you want to select as the tangent entity.

To draw a normal arc, move the arc cursor close to the endpoint of the entity you want

to select as the normal entity. Now, press the left mouse button once and move the

cursor along the normal direction through a small distance and then move the cursor

to size the arc, refer to Figures above.


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While drawing the arc, as soon as you start moving the cursor after specifying the

start point, the ArcProperty Manager is displayed.

Drawing Center point Arcs

Drawn by defining the centerpoint, startpoint, and end point of the arc.

Invoke the Center point Arc tool, specify the center point and move the cursor in the

clockwise or counterclockwise direction, the resultant arc will be drawn in the

respective direction. Specify the endpoints of the arc using the left mouse button.

Below show the reference circle that is drawn when you move the mouse after

specifying the center point of the arc and the resultant center point arc.

Drawing 3 Point Arcs

Drawn by defining the start point and endpoint of the arc, and a point some

where on the arc. Below shows the reference arc that is drawn by specifying the start

point and the endpoint of the arc and the resultant 3 point arc.


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DRAWING RECTANGLES

In SolidWorks 2008, the tools that are used to draw rectangles are grouped together.

Invoke the Rectangle tool; the Rectangle Property Manager will be displayed.

Select an appropriate method to draw a rectangle from the Rectangle Type rollout.

Drawing Rectangles by Specifying Their Corners

Invoke the Rectangle tool. Press the left mouse button once. Move the cursor

and specify the other corner of the rectangle using the left mouse button. Figure

below shows a rectangle being drawn by specifying two opposite corners.

Drawing Rectangles by Specifying Their Centers

Choose the Center Rectangle button from the Rectangle Type rollout in the Rectangle

Property Manager. Specify a point as the center of the rectangle. Then, move the

cursor and specify one of the corner of the rectangle using the left mouse button.

Figure shows a rectangle being drawn by specifying its center and one of the corners.


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Drawing a Rectangle at an Angle

To draw a rectangle at an angle, choose the 3 Point Corner Rectangle button

from the Rectangle Type rollout. Specify the start point of the rectangle. Specify the

endpoint of an edge such that the resulting reference line is at an angle. Next, movethe cursor to specify the width of the rectangle. Figure shows a rectangle drawn at an

angle.

Drawing Center point Rectangles at an Angle

To draw a rectangle at an angle, choose the 3 Point Center Rectangle button

from the Rectangle Type rollout. Specify the center point of the rectangle. Then,

move the cursor to a distance that is equal to half the length of the rectangle to be

drawn. Specify it as the second point using the left mouse button. Next, specify the

third point to define the width of the rectangle, see figure.

Drawing a Parallelogram

Specify two points on the screen to define one edge in the parallelogram.Next, move the mouse to define the width of the parallelogram.


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DRAWING POLYGONS

In SolidWorks, a polygon with the number of sides ranging from 3 to 40 can be

drawn. To draw a polygon, invoke the Polygon tool; the Polygon Property Manager,

see Figure, will be displayed. Set the parameters in the Polygon Property Manager.

DRAWING SPLINES

In SolidWorks, you can draw a spline by continuously specifying the

endpoints of the spline segments using the left mouse button.

PLACING SKETCHED POINT

To place a sketched point, choose the Point tool from the Command Manager

and then specify the point on the screen where you want to place it.

DRAWING ELLIPSES

In SolidWorks, an ellipse is drawn by specifying its center point and then

specifying the two ellipse axes. Using the left mouse button, specify a point on thescreen to define the second axis of the ellipse.

DRAWING ELLIPTICAL ARCS

In SolidWorks, the process of drawing an elliptical arc is similar to that of

drawing an ellipse.

DRAWING PARABOLIC CURVES

In SolidWorks, you can draw a parabolic curve by specifying the focus point,

apex point, and then two endpoints of the parabolic curve.


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DRAWING DISPLAY TOOLS

These tools allow you to modify the display of a drawing by zooming or panning it.

Some of the drawing display tools that are available in SolidWorks are:

DELETING SKETCHED ENTITIES

Delete the entities by selecting the sketches using the Select tool and then pressing the

DELETE key on the keyboard. You can select the entities by selecting them

individually or select more than one entity by defining a window around the entities.

When you select the entities, they turn green. Press the DELETE key on the

keyboard. You can also delete the sketched entities by selecting them and choosing

the Delete option from the shortcut menu that is displayed on right-clicking.

Zoom to Fit

Zoom to Area

Zoom In/Out

Zoom to Selection

Pan


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EDITING SKETCHED DRAWINGS

There are several editing tools available within SolidWorks.

Trimming

Trim Entities tool is used to trim a line, arc, ellipse, parabola, circle, spline,

or center line that is intersecting a line, arc, circle, ellipse, parabola, spline, or center

line. To use the trim options, choose the Trim Entities button from the Sketch

Command Manager. The Trim Property Manager appears.

The Power trim button is chosen by default in the Options rollout, the Message

rollout provided in this Property Manager will inform you about the procedure of

trimming and extending the sketched elements using this option.

The Corner button available in the Options rollout is used to trim or extend elements

in such a manner that the resulting elements form a corner.

You can also extend the entities using this Corner tool. To do so, choose the Corner

button from the Options rollout. Select the entities to be extended, the selectedentities will be extended to their apparent intersection.

Message Roll out


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The Trim away inside button available in the Options rollout is used to trim the

inside portion of the selected entity in a sketch.

The Trim away outside button available in the Options rollout is used to trim the

outside portion of the selected entity.

The Trim to closest tool is used to trim the selected entity to its closest intersection.


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Extending

To extend the sketched entity to intersect the next available entity Extend

Entities tool is used. It is extended up to its intersection with another sketched entityor a model edge. Choose the Extend Entities button from the Sketch Command

Manager and move the extend cursor close to the portion of the sketched entity to be

extended.

Filleting

A fillet creates a tangent arc at the intersection of two sketched entities. When

you invoke this tool, the Sketch Fillet Property Manager is displayed and enter

Fillet radius.

Chamfering

Sketch Chamfer tool is used to apply a chamfer to adjacent sketchedentities. When you invoke this tool, the Sketch Chamfer Property Manager will be

displayed. The options available are, Angle-distance, Distance-distance and Equal

distance.


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Offsetting

Offsetting is one of the easiest methods of drawing parallel lines or

concentric arcs, and circles. When you choose this button the Offset EntitiesProperty Manager is displayed.Figures below show a new chain of entities createdby offsetting the chain of entities and offsetting of a single entity.

The various options available in the Parameters area of Offset Entities PropertyManager are; Offset Distance, Add Dimension, Reverse, Make Base construction,

Bi-Directional, Select Chain and Cap Ends.

Mirroring Sketched Entities

The Mirror Entities tool is used to create the mirror image of the selectedentities. Choose the Mirror Entities button from the Sketch Command Manager;

the Mirror Property Manager will be displayed, as shown. Select the entities to be

mirrored and the centerline. An example is shown below.


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Mirroring while Sketching (Dynamic Mirror Entities)

The Dynamic Mirror Entities tool is used to mirror the entities about a

symmetry line while sketching. Choose the Dynamic Mirror Entities button, the

Mirror Property Manager will be displayed.

Moving Sketched Entities

The Move Entities tool is used to move the selected entities from its baselocation to a desired location. To do this, invoke the Move Entities tool by choosing

the Move Entities button from the Sketch Command Manager. When you invoke this

tool, the Move Property Manager will be displayed, as shown in Figure and you will

be prompted to select sketch items or annotations.

The options available are Entities to move, Parameters and Repeat.

Rotating Sketched Entities

To rotate the sketched entities, invoke the Rotate Entities tool from the

Sketch Command Manager; the Rotate Property Manager will be displayed, as shownin Figure and you will be prompted to select sketch items or annotations.


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Scaling Sketched Entities

To scale the sketched entities, invoke the Scale Entities tool from theSketch Tools Command Manager; the Scale Property Manager will be displayed,

as shown in the figure, and you will be prompted to select sketch items or annotations.

Copying Sketched Entities

The Copy Entities tool allows you to copy the selected sketched entitiesfrom one location to the other. Choose the Copy Entities button from the Sketch

Command Manager; the Copy Property Manager is displayed, as shown


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Creating linear and circular patterns

Linear patterns in x and y direction either at an angle to either directions. To

create the linear pattern, choose this button from the Sketch Command Manager;the Linear Pattern Property Manager will be displayed, as shown in the figure.The options available are;Direction1 2 Rollout, Direction2 Rollout and Instances to

Skip Rollout

To create the circular pattern, choose this button from the Sketch CommandManager; the Circular Pattern Property Manager will be displayed, as shown in

the figure. The options available in this dialog box are: rollout and Instances to skip.

EDITING PATTERNS

You can edit the patterns of the sketched entities by using the shortcut menu.

Depending on whether you right-click on the instance of the linear or the circular

pattern, the Edit Linear Pattern or the Edit Circular Pattern option will be

available in the shortcut menu. Figure shows the partial view of the shortcut menuthat will be displayed when you right-click one of the instances of a circular pattern.


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WRITING TEXT

To write the text, choose the Text button from the Sketch Command

Manager; the Sketch Text Property Manager will be displayed, as shown in Figure.

Enter the text in the box available in the Text rollout. Figures below show the text

created using the Text tool and the text created along an arc.


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MODIFYING SKETCHED ENTITIES

Modifying a Sketched Line - You can modify the sketched lines by using the Line

Properties Property Manager, which is displayed when you select it using the

Select tool.

Modifying a Sketched Circle - To modify a sketched circle, select it using the Select

tool to display the Circle Property Manager.

Modifying a Sketched Arc - To modify a sketched arc, select it using the Select tool.

The Arc Property Manager will be displayed with the coordinate values of the

center point, start point, and endpoint.

Modifying a Sketched Polygon - Choose the Edit polygon option from the shortcut

menu to display the Polygon Property Manager. You can modify the selected polygon

using the options in the Polygon Property Manager or draw a new polygon.

Modifying a Spline - You can perform five types of modifications on a spline. The

modifications that can be carried on a spline are varies.Modifying the Coordinates of

Control Points - To modify the control points of a spline, select it and use the Spline

Property Manager will be displayed.

Modifying the Coordinates of a Point - To modify the location of a point, select it

using the Select tool; the Sketched Point Property Manager will be displayed. You

can modify the coordinates of the sketched point using this Property Manager.

Modifying an Ellipse or an Elliptical Arc - To modify an ellipse or an elliptical arc,

select it using the Select tool; the Ellipse Property Manager will be displayed. You

can modify the required parameters using the options available in this Property

Manager.

Modifying a Parabola - To modify a parabola, select it using the Select tool; the

Parabola Property Manager will be displayed. You can modify the parameters of the

parabola from this Property Manager.

Dynamically Modifying and Copying Sketched Entities

In the sketcher environment of SolidWorks, you can modify or copy the sketchedentities by dynamically dragging them using the left mouse button. Drag the sketch

according to your requirement and then release the left mouse button. If you choose

Tools > Sketch Setting > Detach Segment on Drag from the menu bar and select a

line of a rectangle to drag, the line segment will be detached from the rectangle.

Splitting Sketched Entity

Use the Split Entities tool to split a sketched entity into two or more entitiesby specifying the split points. To split an entity, choose the Split Entities button from

the Sketch CommandManager; the current cursor will be replaced by the split entitiescursor. You can also delete the split points to convert the split entity into a single


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entity. To delete the split point, select the split point and press the DELETE key from

the keyboard.

References

1. Sham Tickoo. SolidWorks 2007 for Designers. CADCIM Technologies, 525,St Andrews Drive, Schererville, IN 46375, USA.

2. Customizable Power point presentations, Solid Works 2008 for Designers(http://www.cadcim.com/faculy/index.htm)