講義文稿成果mid surface and separate

1、DYNAFORM 5.6 Training TutorialBlank Size EngineeringTutorial IIDescriptions of BSE blank unfolding function for models with thickness by using MidSurface part.Open and Save as DatabaseStart up Dynaform 5.6.Click FileOpen and select Midsurface.df file.Click FileSave As (See Figure 1).Enter Midsurface

2、_(user name)_(date).df as the file name.Click Save to save the database.The data model is shown in Figure 2. The part name is PRODUCT and the model is a part with thickness. The user needs to take out middle surface first and then use Mstep function to unfold.Figure 1Figure 2ii. Middle SurfaceClick

3、BSE Preparation menu.Click Middle Surface button (the third button in the first row), as shown in Figure 3.The program pops up the Select Surfaces window. Click Displayed Surf to select all the displayed surfaces.Click OK to calculate the middle surface of part automatically. Click Done to exit.Clic

4、k Part Turn On/Off button. The middle surface is automatically named as MidSrf1. (See Figure 4). Figure 3Figure 4iii. MeshToggle off the original Product part and keep the middle surface MidSrf1 only. Click on Current Part at the lower right corner and set MidSrf1 as the current part.Click BSE Prepa

5、ration menu.Click Part Mesh button (See Figure 5.a).Click Select Surfaces in the displayed Surface Mesh window (See Figure 5.b).Click Displayed Surf to select middle surfaces and click OK to exit.Type in the mesh max. Size：2mmClick Apply to mesh.Click OK to exit Mesh Quality Check window.Click Yes t

6、o confirm the generated mesh (See Figure 5.c).Click Exit to dismiss the Surface Mesh window.Figure 5(a)(b)(c)iv. Check and Repair MeshToggle off Surface (See Figure 6.a).Select Model Check/Repair (See Figure 6.b).Click Boundary Display icon（the second icon in the first row）(See Figure 6.c).Toggle of

7、f Elements and Node.Click (free rotation) to rotate the model.Click (clear highlight).Click to display the model in isometric view.Click Auto Normal icon (the first icon in the first row).Select CURSOR PICK PARTMove the cursor to select an element on the model (See Figure 6.d).Select No to reverse t

8、he normal direction (See Figure 6.e).Click Exit to dismiss the dialog box.Click OK to exit Model Check/Repair dialog box.Figure 6(a)(b)(c)(d)(e)v. Blank Size EstimateSelect BSE PreparationBlank Size Estimate (See Figure 7.a).Click Null in the displayed blank size estimate window to define material (

9、See Figure 7.b).Click Material Library in the displayed material window (See Figure 7.c).Select CQ (mild) as the material (See Figure 7.d).Click OK to exit MATERIAL TYPE 36 dialog box (See Figure 8.a).Click OK to exit Material dialog box (See Figure 8.b).Automatically enter the part Thickness: 3.20

10、(mm) (See Figure 8.c).Click Apply to run BSE (See Figure 9.a).Click Exit to dismiss BSE Preparation dialog box.Click to open the Display Part dialog box.Select MIDSRF 1 and click OK to close part MIDSRF 1, with OUT Line displayed only.Click to display the blank outline in TOP view (See Figure 9.b).

11、Click to save the database.Figure 7(a)(b)(c)(d)Figure8(a)(b)(c)Figure 9(a)(b)Description about BSE Separate Surface: BSE Preparation Separate Surface can automatically separate the imported model with thickness into three parts: top surface, bottom surface and the surface along part thickness direction. Description for a case of bse02_KettleMouth.igs is given below: Create a new database and click BSE PreparationImport to import bse02_KettleMouth.igs file. Click Group Surfa