icemsurf教程PPT课件

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1、ICEM surf TrainingSurfaces*Surface Creation-Global Offset -create an offset surface with constant distance from the original surface.ICEM surf TrainingSurfacesICEM surf TrainingSurfaces*Surface Creation-Global Blend -generates one or several blend patches between two connecting edges.-The connecting

2、 edges may consist of several segmentsICEM surf TrainingSurfacesICEM surf TrainingSurfacesICEM surf TrainingSurfacesICEM surf TrainingSurfaces*Surface Creation-By Curves(N-Sided Blend)-Using this function you may create an n-sided blend,e.g.to fill a gap in a surface.多邊型的面，至多12個邊ICEM surf TrainingSu

3、rfacesICEM surf TrainingSurfacesICEM surf TrainingSurfaces*Surface Creation-Profiles-a profile surface is created by dragging one or several profile curves along a spine curve.-The spine consist of one or several connected curve segments,and must be tangent continuous,.-The profiles are along the sp

4、ine curve by the local coordinate system,defined by the moving frame type.-If several profiles have been selected,they must have the same number of sharp bends.-The profiles must be connected to the spine curve at different positions.-If an attachment geometry is specified,the intermediate profiles

5、are attached to it.-the profiles may be adapted to additional geometry,the limit geometry,by rotating or sliding.The Main Menu Profiles 指定軌跡(spine)與截面(profile)做掃出ICEM surf TrainingSurfacesICEM surf TrainingSurfacesICEM surf TrainingSurfacesThe Parameter Menu for the Moving Frame Type ICEM surf Train

6、ingSurfacesPriority is set to Tangent-3D radial(default setting):z-axis=tangent of the spine curve y-axis is determined by the vectorPriority is set to Vector-radial in direction of the vector:y-axis=vector z-axis is determined by the tangent of the spine curveICEM surf TrainingSurfacesPriority is s

7、et to Tangent:x-axis=connection to the corresponding point on the second curve z-axis is determined by the tangent of the spine curvePriority is set to Vector:x-axis=connection to the corresponding point on the second curve y-axis is determined by the vectorICEM surf TrainingSurfaces Priority is set

8、 to Tangent:y-axis=surface normal z-axis is determined by the tangent of the spine curve Priority is set to Vector:y-axis=surface normal x-axis is determined by the vectorICEM surf TrainingSurfacesICEM surf TrainingSurfaces*Surface Creation-Duct Surface-Duct surfaces are tubular profile surfaces wit

9、hout an explicitly specified spine curve.用數條不相交的曲線形成曲面ICEM surf TrainingSurfacesICEM surf TrainingSurfaces*Surface Creation-Fillet -create fillets between surfaces with a sharp bend at the transitions.做倒R之面，可做變化RICEM surf TrainingSurfacesICEM surf TrainingSurfacesICEM surf TrainingSurfacesICEM surf

10、TrainingSurfacesICEM surf TrainingSurfacesICEM surf TrainingSurfaces*Surface Creation-Offset -An offset surface with a distance may be computed for a surface.-A variable distance can be defined additionally for the offset computation of a single patch.將surface往normal方向位移ICEM surf TrainingSurfacesICE

11、M surf TrainingSurfaces*Surface Creation-Flanges -a flange depth and a flange angle can be specified.The flange angle 0?defines the basic flange direction.patch邊界或曲線長出一個具角度的直面ICEM surf TrainingSurfacesICEM surf TrainingSurfacesICEM surf TrainingSurfacesICEM surf TrainingSurfacesICEM surf TrainingSur

12、facesICEM surf TrainingSurfacesICEM surf TrainingSurfaces*Surface Creation-Fillet Flange -create flanges on fillet surfaces.tangentially to the selected patches -The edges of the patches are the spine curve.-The fillet surface can be trimmed at or extrapolated up to the starting edge.ICEM surf Train

13、ingSurfacesICEM surf TrainingSurfacesICEM surf TrainingSurfaces*Surface Creation-Ruled Surface -A curve is translated along a vector by which a translation surface is created.用一條curve做直直長出的patchICEM surf TrainingSurfaces*Surface Modification-Point -surface(patch cluster)are modified by using a refer

14、ence patch which is manipulated instead of the surface.-curves and raw data,can be modified with this function.ICEM surf TrainingSurfacesICEM surf TrainingSurfaces*Surface Modification-Control Point-a surface(patch cluster)are modified by using a reference patch which is manipulated instead of the s

15、urface.-curves and raw data,can be modified with this function.指定一個面當基準來拉動整個modelICEM surf TrainingSurfaces*Surface Modification-Matching(Multiple Matching)-a patch transition(matching)for three or four Bezier patches may be created by one step.-K-and T-transitions,connections of part edges can also

16、 be realized with function.調整有共點之一組面間的連續性ICEM surf TrainingSurfacesICEM surf TrainingSurfacesICEM surf TrainingSurfacesICEM surf TrainingSurfaces*Surface Modification-Refit Surface -a patch cluster may be mapped onto digitized data.-The patch cluster structure remains unchanged將數個patches對點側資料做逼近ICEM

17、 surf TrainingSurfaces*Surface Modification-Feature Design -Using this function you may draw and adapt geometry elements to surfaces.將舊設計套入新設計中ICEM surf TrainingSurfacesICEM surf TrainingSurfacesICEM surf TrainingSurfacesICEM surf TrainingSurfacesICEM surf TrainingSurfacesICEM surf TrainingSurfaces*

18、Surface Modification-Global Fillet -create with one step fillet surfaces at multiple patch clusters,including at surfaces intersecting each other.對整個Model做全域性的倒R處理ICEM surf TrainingSurfacesICEM surf TrainingSurfaces*Surface Modification-Crowning -the surface shape is modified in a point directly by

19、the specified value(see figure below).-in tool manufacturing to compensate the spring-back of the sheet metal for the whole geometry.ICEM surf TrainingSurfacesICEM surf TrainingSurfaces*Surface Modification-Convert-convert surfaces from NURBS to Bezier representation,and vice versa.-Different result

20、s are obtained according to the original geometry and the option Approximate轉變曲面函數形式ICEM surf TrainingSurfacesICEM surf TrainingSurfaces*Surface Modification-Invert Normals -The normals of surfaces,patches and faces can be inverted and aligned with this function.改變曲面之U、V方向ICEM surf TrainingSurfaces*

21、Surface Modification-Global Face Untrim Several faces can be untrimmed by one step to restore the original patches.ICEM surf TrainingSurfaces*Surface Modification-Global Trim-According to the option Faces All,either faces are created by the trim operation,or patches are reapproximated.ICEM surf Trai

22、ningSurfacesICEM surf TrainingSurfaces-File Import DB 引入 front car 結果如下 -編輯曲面 執行 CtrIP 選擇所有物件 在對話框中設定，對 X 方向投影 固定 Y,Z 方向 設定移動方式為 Row 選擇保障桿下沿邊界當參考面 拉扯下方曲面 過程如下Global Modeling exerciseICEM surf TrainingSurfaces -跳離對話視窗 結果如下 ICEM surf TrainingSurfacesFeature Based Design exercise-File Import DB 取入 log1

23、 檔案 結果如 下 -按下 Fdesign 選擇平面上的所有物件 若平面也被選入，則需移除這平面 當提示要求輸入參考 面時，選擇 log 上的那個平面 當要求輸入另一參考面時，選擇弧面 結果如下H:ota-trainingkddatlog1ICEM surf TrainingSurfaces多重曲線的曲面合成 exercise-File Import DB 取 回 M util _ curve 檔案 結 果 如 下-建 構 曲 面 按 下 Curves 點 選 缺口 邊 線 OK 在 變 數 Edge Infl,Flatness,Height 上，利 用 拉 棒 調 整 造 型 最 好 將 光 源 偵 測Highlight 打 開 以 下 為 對 話 框 的 內 容 ICEM surf TrainingSurfaces-調整後結論為下-注意所產生的新曲面為四角面ICEM surf TrainingSurfacesGlobal Filleting exercise-File Import DB 取入 Global_fillet_member 檔案 結果如下 -執行 Gfillet 選取所有物件 輸入 R 2 結果如下