Chapter 6: Sheet Metal Setting The Parameters Of The Sheet .

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Part 2: Autodesk Inventor BasicsChapter 6: Sheet MetalModelingSetting the Parameters of the Sheet Metalpart1.To set the parameters, click Sheet Metal Setup Sheet Metal Defaults on the ribbon; the SheetMetal Defaults dialog appears.This chapter will show you to: Create a face featureCreate a FlangeCreate a Contour FlangeCreate a Corner SeamCreate PunchesCreate a Bend FeatureCreate Corner RoundsFlat PatternTUTORIAL 1In this tutorial, you create the sheet metal modelshown in figure.This dialog displays the default preferences of thesheet metal part such as sheet metal rule, thickness,material, and unfold rule. You can change thesepreferences as per your requirement.2.To edit the sheet metal rule, click the Edit SheetMetal Rule button on the dialog.Starting a New Sheet metal File1.2.To start a new sheet metal file, click Get StartedLaunch New on the ribbon.On the Create New File dialog, click the SheetMetal.ipt icon, and then click Create.In the Sheet tab of the Style and Standard Editordialog, you can set the sheet preferences such assheet thickness, material, flat pattern bend anglerepresentation, flat pattern punch representationand gap size.www.irinventor.com

Part 2: Autodesk Inventor Basics7.3.4.In the Sheet tab, set the Thickness to 0.12 andleave all the default settings.Click the Bend tab.After setting the required preferences, click theSave and Close button.The Unfold Rule option on the Sheet MetalDefaults dialog defines the folding/unfoldingmethod of the sheet metal part. To modify or set anew Unfold Rule, click the Edit Unfold Rule buttonon the Sheet Metal Defaults dialog.In the Bend tab of this dialog, you can set the bendpreferences such as bend radius, bend relief shapeand size, and bend transition.On the Style and Standard Editor dialog, select therequired Unfold Method.You can define the Unfold rule by selecting theLinear method (specifying the K factor), selecting aBend Table, or entering a custom equation. ClickSave and Close after setting the parameters.5.6.Set the Relief Shape to Round.Click the Corner tab.8.In the Corner tab, you can set the shape and size ofthe corner relief to be applied at the corners.Close the Sheet Metal Defaults dialog.Creating the Base Feature1.Create the sketch on the XZ Plane, as shown infigure (Use the Rectangle Two Point Centertool).437www.irinventor.com

Part 2: Autodesk Inventor Basics2.3.4.3.Set the Distance to 4.4.Click on the Bend from the intersection of thetwo outer faces icon in the Height Datumsection. This measures the flange height fromthe outer face.5.Under the Bend Position section, click theInside of the Bend extents icon.6.Click OK to create the flange.Click Finish Sketch.To create the base component, click Sheet Metal Create Face on the ribbon; the Face dialogappears.Click OK to create the tab feature.Creating the flange1.To create the flange, click Sheet Metal Create Flange on the ribbon; the Flange dialogappears.2.Select the edge on the top face, as shown.Creating the Contour Flange1.Draw a sketch on the front face of the flange, asshown in figure.438www.irinventor.com

Part 2: Autodesk Inventor Basics2.3.4.5.Click Finish Sketch.To create the contour flange, click Sheet Metal Create Contour Flange on the ribbon; theContour Flange dialog appears.Select the sketch from the model.Select the edge on the left side of the top face;the contour flange preview appears.6.Select Edge from the Type drop-down.7.Click OK to create the contour flange.439www.irinventor.com

Part 2: Autodesk Inventor Basics5.Creating the Corner Seam1.To create the corner seam, click Sheet Metal Modify Corner Seam on the ribbon; theCorner Seam dialog appears.6.Click the Bend tab and make sure that theDefault option is selected in the BendTransition drop-down.Click the Corner tab and set the Relief Shape toRound.You can also apply other types of relief using theoptions in the Relief Shape drop-down.7.2.3.Rotate the model.Select the two edges forming the corner.4.Set the parameters in the Shape tab of thedialog, as shown.Click OK.Creating a Sheet Metal Punch iFeature1.Open a new sheet metal file using the SheetMetal.ipt template.2.Create a sheet metal face of the dimensions 4x4.440www.irinventor.com

Part 2: Autodesk Inventor Basics14. Move the cursor outward and click to define theslot radius.3.4.5.6.15. Click Dimension on the Constrain panel andselect the round end of the slot.16. Click to display the Edit Dimension box.17. Click the arrow button on the box and select ListParameters from the shortcut menu; theParameters list appears.Click Manage Parameters Parametersonthe ribbon; the Parameters dialog appears.Select the User Parameters row and click theAdd Numeric button on the dialog. This adds anew row.Enter Diameter in the new row.Set Unit Type to in and type-in 0.04 in theEquation box.18. Select Diameter from the list and click the greencheck on the Edit Dimension box.7.Likewise, create a parameter named Length andspecify its values, as shown below.8.9.Click Done.Click Sheet Metal Sketch Start 2D Sketchon the ribbon.Select the top face of the base feature.On the ribbon, click Sketch Create Rectangle drop-down Slot Center to Center.Click to define the first center point of the slot.Move the cursor horizontally and click to definethe second center point of the slot.10.11.12.13.19. Likewise, dimension the horizontal line of theslot and set the parameter to Length.441www.irinventor.com

Part 2: Autodesk Inventor Basics‘26. On the dialog, select Type Sheet Metal PunchiFeature.27. Select the cut feature from the model geometryor from the Browser window. The parameters ofthe cut feature appear in the Extract iFeaturedialog.20. Click the Point button on the Create panel andplace it at the center of the slot.21. Delete any projected edges (yellow lines) fromthe sketch.22. Click Finish Sketch.23. Click Sheet Metal Modify Cut on theribbon; the Cut dialog appears.Next, you must set the Size Parameters of theiFeature.28. Set the Limit of the Diameter value to Range.The Specify Range dialog appears.29. Set the values in the Specify Range dialog, asshown below and click OK.24. Accept the default values and click OK to createthe cut feature.30. Set the Limit of the Length value to List. TheList Values dialog appears.31. Click on Click here to add value and enter 0.2 asvalue.25. Click Manage Author Extract iFeature onthe ribbon; the Extract iFeature dialog appears.442www.irinventor.com

Part 2: Autodesk Inventor Basics32. Likewise, type-in values in the List Valuesdialog, as shown below.38. Click Save on the dialog; the Save As dialogappears.39. Browse to the Punches folder and enter Customslot in the File name box.33. Click OK.34. Set the Limit of the Thickness value to Range.The Specify Range dialog appears.35. Set the values in the Specify Range dialog, asshown below. Next, click OK.40.41.42.43.Click Save and Yes.Click File Menu Save.Save the sheet metal part file as Custom slot.Switch to the sheet metal file of the currenttutorial.Creating a Punched feature1.2.3.Next, you need to select the center point of the slot.This point will be used while placing the slot.Start a sketch on the top face of the base sheet.On the ribbon, click Sketch Create Point.Place a point and add dimensions to it, as shownbelow.36. Click the Select Sketch button on the ExtractiFeature dialog.37. Select the sketch of the cut feature from theBrowser window.443www.irinventor.com

Part 2: Autodesk Inventor Basics8.4.5.Click Finish Sketch.To create the punch, click Sheet Metal Modify Punch Tool on the ribbon; the PunchToolDirectory dialog appears.6.Select Custom slot.ide from the dialog and clickOpen; the PunchTool dialog appears.Set Length to 0.45 and Diameter to 0.1.9. Click Refresh to preview the slot.10. Click Finish to create the slot.Note: If the slot is not oriented as shown in figure,then click the Geometry tab on the PunchTooldialog and type-in 90 in the Angle box.Creating the Rectangular Pattern7.1.Click the Size tab on the PunchTool dialog.Click Sheet Metal Pattern Rectangular444www.irinventor.com

Part 2: Autodesk Inventor BasicsPattern on the ribbon. The Rectangular Patterndialog appears.2.Select the slot feature.8.Click the Direction 2 button on the dialog.9.Select the edge on the base feature, as shownbelow.You can also select multiple solid bodies from thegraphics window using the Pattern Solids3.4.5.6.7.option.Click the Direction 1 button on the dialog.Select the edge of the base feature, as shownbelow.10. Click the Flipbutton in the Direction 2section to make sure the arrow is pointedtoward right.11. Select Spacing from the drop-down located inthe Direction 2 group.12. Specify Column Count as 2.13. Specify Column Span as 2.Select Spacing from the drop-down located inthe Direction 1 group.Specify Column Count as 5.Specify Column Span as 0.6.445www.irinventor.com

Part 2: Autodesk Inventor Basics14. Click OK to create the pattern.3.4.Click Finish Sketch.Click Sheet Metal Create Face on the ribbonand create a face feature.5.Click Sheet Metal Create Bend on theribbon. The Bend dialog appears.6.Select the edges from the model, as shownbelow.Creating the Bend Feature1.2.Create a plane parallel to the front face of theflange feature. The offset distance is 6.3.Create a sketch on the new work plane.446www.irinventor.com

Part 2: Autodesk Inventor BasicsModify Corner Round on the ribbon; theCorner Round dialog appears.7.8.9.Make sure the Bend Extension is set toperpendicular.2.3.Set the Radius value to 0.2.Set the Select Mode to Feature.4.Select the face feature from the model.5.Click OK to apply the rounds.Click OK to create the bend feature.Hide the work plane (Right-click on it anduncheck Visibilty).Applying a corner round1.To apply a corner round, click Sheet Metal 447www.irinventor.com

Part 2: Autodesk Inventor BasicsCreating Countersink holes1.Click Sheet Metal Modify Hole on theribbon; the Hole dialog appears.2.3.4.Set the Placement method to Concentric.Set the hole type to Countersink.Set the other parameters on the dialog, as shownbelow.5.6.Select the corner round as the concentricreference.7.Click Apply.8.Again, click on the flange face and select theother corner round as the concentric reference.Click on the face of the flange, as shown below.448www.irinventor.com

Part 2: Autodesk Inventor Basics4.9.Leave the default settings of the dialog and clickOK to create the hem.Click OK to create the countersink.Creating Hem features1.To create the hem feature, click Sheet Metal Create Hem on the ribbon; the Hem dialogappears.Mirroring the Features1.2.2.Set the Type to Single.3.Select the edge of the contour flange, as shownbelow.3.Click Mirroron the Pattern panel; the Mirrordialog appears.Click at the bottom of the dialog and makesure the Creation Method is set to Identical.Select the features from the Browser window, asshown below.449www.irinventor.com

Part 2: Autodesk Inventor BasicsYou can set the order in which the bends will beannotation.2.4.5.6.Click the Origin YZ Plane button on thedialogClick OK to mirror the feature.Create a corner seam between the mirroredcounter flange and flange.Click the Bend Order Annotation button on theManage panel of the Flat Pattern tab. The orderin which the bends will be annotated isdisplayed.Creating the Flat Pattern1.To create a flat pattern, click Sheet Metal FlatPattern Flat Pattern on the ribbon.450www.irinventor.com

Part 2: Autodesk Inventor Basics3.4.To change the order of the bend annotation,click on the balloon displayed on the bend. TheBend Order Edit dialog appears.Select the Bend Number check box and enter anew number in the box.5.6.Click OK to change the order.To switch back to the folded view of the model,click Go to Folded Part on the Folded Partpanel.7.Save the sheet metal part.Creating 2D Drawing of the sheet metalpart1.2.3.4.5.6.On the Quick Access toolbar, click the Newbutton.On the Create New File dialog, double-click onStandard.idw.Activate the Base View tool.Click Home icon on the ViewCube.Leave the default settings on the Drawing Viewdialog and click OK.Click and drag the drawing view to top rightcorner of the drawing sheet.7.Likewise, create the front, and top views of thesheet metal part.8.Activate the Base View tool and select SheetMetal View Flat Pattern on the DrawingView dialog.9.Place the flat pattern view below the Isometricview.451www.irinventor.com

Part 2: Autodesk Inventor Basics12. Likewise, select other bend lines on the flatpattern. You can also drag a selection box toselect all the bend lines from the flat patternview.10. To add bend notes to the flat pattern, clickAnnotate Feature Notes Bend on the ribbon.11. Click the horizontal bend line on the flat patternto add the bend note.13. To add centerlines to the flat pattern view, clickthe right mouse button on it and selectAutomated Centerlines.14. On the Automated Centerlines dialog, click thePunches button under the Apply To section.452www.irinventor.com

Part 2: Autodesk Inventor Basics20. Use the Retrieve Dimension and Dimensiontools to add dimensions to drawing.21. Save and close the drawing and sheet metalpart.15. Click OK to add centerlines to the flat patternview. اﯾن آﻣوزش ﺗوﺳط اﻧﺟﻣن اﯾﻧوﻧﺗور اﯾران ﮔردآوری و ﺗﮭﯾﮫ ﺟﮭت داﻧﻠود آﻣوزش ھﺎی دﯾﮕر از ﺳﺎﯾت اﻧﺟﻣن . ﺷده اﺳت . ﺑﺎزدﯾد ﻧﻣﺎﯾﯾ د 16. Likewise, add centerlines to other views on thedrawing sheet.17. To add a punch note, click Annotate FeatureNotes Punch on the ribbon.: آدرس ﺳﺎﯾﺖ اﻧﺠﻤﻦ www.irinventor.com: ﺗﻤﺎس ﺑﺎ اﻧﺠﻤﻦ 0935219181318. Zoom into the flat pattern view and click on thearc of the slot.19. Move the pointer and click to create annotation.453www.irinventor.com

In this tutorial, you create the sheet metal model shown in figure. Starting a New Sheet metal File 1. To start a new sheet metal file, click Get Started Launch New on the ribbon. 2. On the Create New File dialog, click the Sheet Metal.ipt icon, and then click Create. Setting the Parameters of the Sheet Metal part 1.

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