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Engineering and

Technical DrawingUsing Solid Edge Version 17By Jerry Craig

SDCSchroff Development Corporation

www.schroff.com

www.schroff-europe.com

Images from Solid Edge Gallery

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Solid Edge V17 2D Drawing

2D Sketches

Chapter 2

Entity

ObjectsLines Arcs

Circles

and

Ellipses

Rectangles

Editing

Sketches

Fillets

and

Chamfers

Trimming

and

Extending

IntelliSketch

Settings

Geometric

Relations

Selecting

Entities &

Deleteing

Construction

Lines

Reference

PlanesSelecting

Profile

View

Using

2D Sketches

Create

Part

Create

Assembly

Grid SettingsRe-Setting

Origin

Constraining

Sketches

Smart

Dimensions

Standard

Dimensions

TutorialAccurate

Layout

Creating

Drawings

Adding Text

and

Dimensions

Printing

2D

Profiles

2D

Sketches

Key-In

Values

Geometric

Constraints

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Solid Edge V172D Drawing

2D Drawings may take two forms:

2D Sketches show the outlines and locations of mul-tiple shapes or parts to be designed.

2D Profiles must be closed shapes with no entities

inside or crossing the sketch. The sketch at the rightmay be used to create a part by selecting specificshapes then cleaning up the outline by trimminginner curves. The final shape must be a single series ofconnected lines and arcs.

Complete MasterSketch. (Cannot beused to create a partin this form).

Profile must be aclosed loop withno internal lines.

Resulting 3Dobject with depthadded.

Portions of the Master Sketch are copiedwhen creating individual part features.

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Assembly Sketches (Layouts)

These are used to define the criticalgeometry in a series of mating parts.Elements from the master sketch maybe selected to create the individual

parts. This assures that the parts are thecorrect size and are located in exactlythe right place.

Elements of the part sketches whichare derived from the master sketch maybe associated (linked) back to the mas-ter sketch. This means that any changein the master sketch will update all theassociated parts.

Portions of the sketch were used tocreate the base of the pillow block as-sembly.Other portions of the same sketch willbe used to create the opening for thebearing.

Modeling the bearing is done by selecting the inner circles. The bronze bearing is created as a separate part.

The final assembly is shown with the parts modeled exactly as they fit.

As you can see, 2D sketches are the basis for much of the design and part creation process. These sketches canbe very general at first then, exact sizes can be assigned later. All parts associated to the master sketches will re-size to the new dimensions. Each part will be the right size and in the right place.

ExplodedAssembly view.

BronzeBearing

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Starting a 2D Drawing

Any new object starts with a 2D sketch. Complexobjects can be designed more efficiently by creating amaster sketch with part geometry defined by a seriesof overlapping lines. As the part shape evolves the 2D

lines are used to add material or cut away material.

Simpler shapes may be designed by staring directlywith the Protrusion or revolved Protrusion icons.Master sketches give more control over the modeling

process.

Component Sketches are placeholders for existing parts or for related items yet to be designed.

Once Sketch is started, The Ribbon Bar displays prompts and options.A Reference Plane must be selected. Or, a new reference plane must be defined as a 2D drawing plane.

A pop down dialog box allow the selection of alternateplanes for starting the sketch.

Coincident Option starts a sketch on one of theexisting reference planes.

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A 2D drawingscreen appears.

The Draw toolbarreplaces the Maintoolbar.

The drawingsurface is now theFront (X-Z) plane.

The horizontalline is the edgeview of the Top(X-Y) plane.

The vertical line is

the edge of the Side(Y-Z) plane.

Draw menu items

may hve several op-

tions selected from

pop down menus.

The first tutorial(chapter 1) intro-

duced the 2D draw-ing process.

2D drawing surface = Front (X-Z) plane

Edge of Top (X-Y) planeEdgeofSide(Y-Z)plane

Exercise:

Start Solid Edge. Click Sketch. Click the Front reference plane.

Draw some shapes.Explore the pop downs

Press ESC key to stop a command.

When finished, click the RETURN button.

Exit Do not save the drawing.

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Draw Menu

Edit Menu

Constraints Menu

Drawn items may be changedby editing lengths, angles,

diameter/radius, etc.

When items are connected,changing one item may causeanother entity to change in anunexpected or unwanted man-ner.

Placing constraints on a 2Dsketch helps to ensureEngineering Intent.

Constraining sketches is an important step in the design process. Many features may be changed as the designevolves. Making sure the master sketch changes in a predictable manner is critical.

Constraints are a combination of geometric (parallel, vertical, concentric, tangent, etc.) and dimensional lengths.The first tutorial (chapter 1) introduced some of these ideas.

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Line command. Starting a line displays the Line Ribbon Bar.

Color Type Thickness

Toggle between line and arc

ActiveLineStyle

Intent Zone

Alignment IndicatorMany indicators will appear as a drawing iscreated. These help to insure good geometry.

A straight line was drawn then the arc togglewas selected. The intent zone creates the arc

based on how the mouse moves out of theintent zone.

Alignment indicators flash when horizon-tal.vertical, extensions or other alignmentsare sensed.

Indicators may be turned On/Off by clickingTools menu and clicking the selection but-tons.

Tools ... Intellisketch ... Relationships

toggles various geomentric indicatorson/off.

Alignment IndicatorsOn/Off toggles.

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Arc.

Three options are shown.The arc ribbon bar gives slightlydifferent options for each arc type.

Curve.

Click a series of points.A smooth curve isdrawn.

Curve has many set-tings and options.CheckHelp for moreinformation.

Rectangle.

Quick method:

Select Rectangle.Hold down leftmouse button andsketch diagonal line.

Usesmart dimensions

to set size.

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Constraining Sketches.

Constraints help to insure that changes to a sketch behave in a predictable manner. Editing causes shapes tochange and parts often must be re-sized for weight, strength, appearance or other reasons. All of the changescan result in some weird shapes unless constraints are in place to control the changes.

Two types of constraints are used: Dimension Constraints and Geometric Constraints.

Dimension Constraints

Smart Dimensions are applied to individual elements.A single pick will dimension a line, circle, etc.

A pop down menu for other dimension types is shown.Distance between and angle between relate two items.

Driving dimensions control a part feature.Driven dimensions are controlled by other dimen-sions. Each type is a different color on the screen.

Geometric Constraints

Turns display of geometric iconsOff/On

The geometric con-straint icons are shown.Choosing and applyingconstraints is a matter ofplanning which elementsmust remain fixed inrelation to other ele-ments that are allowed tochange.

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Aligning Geometry

The rectange is centeredon the reference planes us-ing connect constraint.

(The first tutorial in chap-

ter 1 used horizontal and

vertical to do the same

thing).

Connect the mid-point ofthe horizontal line to thevertical (Y-Z) plane.

Connect the mid pointof the vertical line to thehorizontal (X-Y) plane.

Changing the 2.000 and 3.000 dimensions will keep the rectangle centered.

A hexagon has been circumscribedabout a circle. We want to be able tochange the circle size and keep thehexagon shape.

Lines are connect constrained andtangent constrained.

Changing the circle size produces in anunexpected result!

What other constraints need to be addedto fix the problem?

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Editing 2D sketches.2D drawings are often constructed using basic shapes then editing the shapes to get the final forms.

Fillet is a rounded corner. Chamfer is a beveled corner.

Offset may be one side or both sides.

Sizes and locations may be fixedby placing dimensions.

Objects may be moved or re-sized by changing the dimensionvalue.

Move pop-down displays several related edit-ing commands.

The rectangle shape was modified using the fillet editing command.

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Trim

Inner circular arcs wereremoved using trim.

Extend would not work butTrim would work.

Extend will only workif there is a stopperboundry.

Construction Lines

Regular lines may be toggled to con-struction line status (and back).Construction lines are not considered aspart of aprofile sketch.

Using construction lines is a good wayto anchor geometry and locate circlecenters, etc.

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Grid and Grid Snap

Placing a grid on the screen enables additional drawing accuracy controls. By setting a useful grid spacing andtoggling Snap To Grid, the start and end points of lines, centers of circles, etc. can be placed accurately.

Grid is very useful when an item must be placed relative to an existing point. Re-set the grid zero then mea-sure over to the new point.

Toggle GridOn/Off with thescreen icon or useTools ...Grid

Grid Ribbon Baris shown.

Grid settings dialog

Grid display On/Off

Snap to GridOn/Off

Set Gridto Origin

Set Grid 0,0 to newlocation

Grid Options Dialog Box

Sets major line spacing,Minor spaces per major,colors, etc.

A typical decimal inch setting is shown.

Working with architectural layouts, a typi-

cal setting might be:Major = 1 footMinor = 12 (1 inch)

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Origin 0,0

Decimal inch grid settingshown.

Grid Snap enabled so startand end points are on gridintersections.

X,Y locations may be set byclicking left mouse button orby keying in points.

Re-Sizing the Grid Area

Click the Select Tool

Click near the outside of thegrid.

Drag the grid to a new area.

A new ribbon bar forGrid Size Setting will appear

at the top of the screen.

An auto-resize option may be

enabled.

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Tutorial - Shaft Support Start a new Part. Be sure to use More ... Normeng.par as the startup file Click Sketch Pick the Front (X-Z) reference plane.Refer back to this drawing for dimensions

1. Set up a decimal inch grid as shown in the previous section. 1.000 inch major lines and 10 minor lines.2. Draw the base of the part as shown.Start Line at -2.000,-0500 to -2.000, 0.000 to 3.000,0.000 to 3.000, 0.500Re-size the grid if needed.

Origin 0,0

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3. Draw two circles with center at

X = 0.000, Y = 3.000

The small circle is 1.000 diameter.( symbol = diameter)

The large circle is .875 radius.( R= radius)Use the Tab Key to move the inputto radius in the circle ribbon bar.

4. Draw a line straight down from theside of the large circle.

Make sure the line is tangent to thecircle and is indicated vertical.

5. Draw a short line across from

-2.000, 0.500

6. Use the Trim Corner tool to closethe corner.

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7. Re-set the grid origin to theend of the line at 3.000, 0.000

Click the re-position originicon on the grid ribbon bar.

Click the end if the line at3.000,0.000.

8. Draw the circleat -0.620, 1.250Key in the center location

in the X: and Y: boxes in thegrid ribbon bar.

Point to the center location. Origin 0,0

9. Draw line tanget to 2 circlesas shown.

Use tangent constraint tobe sure line is tangent to bothcircles.

10. Draw line from0.000, 0.500 tangent to the bot-tom of the right circle.

Save the drawingas ShaftSupport

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The bottom of the large circle and the upper side of the right circle.

The .500 radius at the left side of the drawing. (We could have used Fillet at step 6.)

Place dimensions on the sketch as shown. Use dimension constraints to correct any location errors.

Be sure the center of the two circles is in vertical alignment with the Side (Y-Z) reference plane.

Save the drawing.

(Next, we will make a part and a drawing).

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13. Click the Return icon

The sketch can be seen on the Front(X-Z) plane.

14. ClickProtrusion

15. Select the Front (X-Z) plane

16. ClickIncludeJust O.K the dialog box.

17 Click each of the lines and arcsthat define the outline of the part.A Include icon will appear on eachitem.

Do NOT include the reference

planes.

The final outline should be a closedloop.

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18. ClickRETURN and set thedepth of the part to 1.000

19. ClickCutout

Select the Front(X-Z)plane.

20. ClickInclude

Just OK thedialog box.

Include the 1.00diameter centercircle.

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20. ClickRETURNClick the Through Next optionin the cutout ribbon bar.Use the mouse to point the cutout arrow to-

ward the back of the part.

Save the model.

Making a drawing.

Be sure the part is savedfrom the previous steps.

21. ClickNew on the

File Menu.Click the More Taband selectNormeng.dft

A default drawing sheetwill show.

22. At the bottlom of the screen, Right Clickthe Sheet option.

Part Properties.

Collecting data for Bill of Material lists is an important documentation step. If your instructor provides data,fill in the dialog boxes. If not, just Cancel.

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23. Click the Background Taband select A-Sheet (8 1/2 x 11 size)

24. Select theShaftSupport.par modelfrom the folder where yousave it.

25. SelectFront

for the key view.

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26. The Front view is selectedby default.

ClickTOP , RIGHT andISOMETRIC as shown.

ClickFinish.The drawing will fit at a scaleof 1:2 . Select that option be-fore placing the views.

Click a view to move it on thesheet.

Place some dimensions asshown.

Save and Print the drawing.

End of tutorial

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Problem 1.__ Layout the sketch in the Part Environment.

__ Dimension the sketch.

__ Set up an A size sheet in the Draft Environment.

__ Place the views of the part as shown in the previous tutorial.

__Fill in the Title Block as shown. Use your name in the DR BY: box.

__Dimension the drawing.

__Save and Print the drawing.

Thickness = 1.000

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Thickness = .125

Problem 2.

Create the sketch for the partshown below.

Follow the steps as shown in

Tutorial 1.

Create a drawing,

dimension save and print.

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Problem 3.

Create sketch and model. Make a drawing as shown in Tutorial 1. Dimension, Save and Print.

Part = Template

Thickness = .25

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Problem 4.Do the Modeling Parts with Sketches tutorial. Make a drawing as shown in Tutorial 1.Save and Print the model and the drawing.

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