【推荐】surf introduce

tommy221

CH1 Design Philosophy
Design Planning
  
            Start-up
               Delivery of Design Requirements
            DevelOPMent Tools
  
When To Use Pro/SURFACE
  
            External Influences
            Direct Influences
                Internal Influences
          
  
Applying Design Philosophy to a Component Shape
               Hair Brush Handle
  
Summary            
  
CH2 Pro/SURFACE Model
            Construction
  
Complex Modeling Styles
  
        [$#8226] Style1:Known geometric shapes
               added to or subtracted from  
               one another
  
        [$#8226]Style2:Smooth outer profile or
               curvature all around
  
        [$#8226]Style3:Blinded shapes
  
Summary
  
Known geometric shapes added to or  
               subtracted from one another
  
   
  
步驟1  建立新零件,並輸入零件名稱
     &nbspart → Create → [輸入零件名稱 Sruf_1]
  
步驟2  建立Datum Plane
      Create → Datum → Plane → Default
  
步驟3  建立一條Curve特徵
      Create → Datum → Curve → Sketch | Done  
      → [選DTM2為sketch plane] → Okay  
      → [選DTM3為Bottom refer plane ]  
      → [進入Sketcher模式,繪製如圖1之剖面] → Done  
      → OK → [完成Datum Curve之建構]  
      MAIN/View → Orientation → Default → Done/Return
      → [零件如圖2所示]
  
  圖 1
  
  圖 2
  
步驟4  建構圓柱面特徵
      Create → Surface → New → Sweep | Done  
      → Select Traj → [選剛才建構之curve] → Select | Done
      → Okay → Open Ends | Done  
      → [進入Sketcher模式,繪製如圖3之剖面] → Done  
      → OK → [完成Surface之建構]  
      MAIN/View → Orientation → Default → Done/Return
      → [零件如圖4所示]  
   
圖 3
  
   
圖 4
  
步驟5  Copy剛才完成的Surface Feature
      Create → Copy → Mirror | Select | Independent | Done
      → [選剛才完成的Sweep surf] → Done Sel → Done
      → [選要鏡射的平面(DTM3)] → [零件如圖5所示]
  
   
圖 5
  
步驟6  將兩個曲面merge
      Create → Surface → Merge → [選取兩個曲面]
      → Flip → Okay → Flip → Okay → Done sel  
      → Done → [零件如圖6所示]
  
  圖 6
  
步驟7  建構倒圓角特徵
      Create → Surface → New → Fillet | Done  
      → Simple | Done → Variable | Edge Chain | Done
      → [選取兩個圓柱面交界處] → Done  
      → [在中間再加入一點] → Done → [給圓角值1]
      → [給圓角值1] → [給圓角值1.5] → OK  
      → [完成倒圓角Surface之特徵]  
      MAIN/View → Orientation → Default → Done/Return
      → [零件如圖7所示]
  
   
圖 7
  
步驟8 建構矩形面特徵
      Create → Surface → New | Done → Extrude  
      → One side / Open Ends / Done → [選DTM2為sketch plane]  
      → Flip → Okay → [選DTM3為Top refer plane ]  
      → [進入Sketcher模式,繪製如圖8之剖面] → Done  
      → Blind | Done → [輸入8之深度(Depth)] → OK  
      → [完成Surface之建構]  
      MAIN/View → Orientation → Default → Done/Return
      → [零件如圖9所示]
  
   
圖 8
  
  圖 9
  
步驟9  將兩個曲面merge
      Create → Surface → Merge → [選取兩個曲面]
      → Flip → Okay → Flip → Okay → Done sel  
      → Done → [零件如圖10所示]
  
   
圖 10
  
步驟10  建構倒圓角特徵
      Create → Surface → New → Fillet | Done  
      → Simple | Done → Variable | Edge Chain | Done
      → [選取圓柱面與矩形面交界處] → Done  
      → [增加新的半徑值的點共增加8個點] → Done  
      → [給兩種圓角值,短邊給1,長邊給1.5] → OK  
      → [完成倒圓角Surface之特徵]  
      MAIN/View → Orientation → Default → Done/Return
      → [零件如圖11所示]
  
  圖 11
  
步驟11  建構Trim特徵
      Create → Surface → Trim → Extrude | Solid | Done  
      → [選要被trim掉的surface] → One side | Done  
      → Make Datum → Offset → [選DTM1] → Enter Value  
      → [輸入-30之Offset距離] → Done → Okay  
      → [選DTM2為Top refer plane ]  
      → [進入Sketcher模式,繪製如圖12之剖面] → Done  
      → OK → [完成Surface之建構]  
      MAIN/View → Orientation → Default → Done/Return
      → [零件如圖13所示]
   
圖 12
   
圖 13
  
步驟12  建構薄殼特徵
      Create → Solid → Protrusion → Use Quit/Thin/Done  
      → [選取surface特徵] → Flip → Okay  
      → [輸入薄殼厚度0.15] → OK
      MAIN/View → Orientation → Default → Done/Return
      → [零件如圖14所示]
  
  圖 14
  
   
  
Smooth outer profile or curvature all around
   
  
步驟1 建立新零件,並輸入零件名稱
     &nbspart → Create → [輸入零件名稱 Sruf_2]
  
步驟2 建立Datum Plane
      Create → Datum → Plane → Default
  
步驟3 建構圓柱Surface特徵
      Create → Surface → New | Done→ Extrude  
      → One side / Open Ends / Done → [選DTM2為sketch plane]
      → Flip → Okay → [選DTM3為Top refer plane ]  
      → [進入Sketcher模式,繪製如圖1之剖面] → Done  
      → Blind | Done → [輸入20之深度(Depth)] → OK  
      → [完成Surface之建構]  
      MAIN/View → Orientation → Default → Done/Return
      → [零件如圖2所示]
  
   
圖 1
  
   
圖 2
  
步驟4 建構圓弧面特徵
      Create → Surface → New | Done → Extrude  
      → Both side / Open Ends / Done → [選DTM3為sketch plane]  
      → Okay → [選DTM2為Top refer plane ]  
      → [進入Sketcher模式,繪製如圖3之剖面] → Done  
      → Blind | Done → [輸入12之深度(Depth)] → OK  
      → [完成Surface之建構]  
      MAIN/View → Orientation → Default → Done/Return
      → [零件如圖4所示]
  
   
圖 3
   
圖 4
  
步驟5  建立底面規跡的 Curve特徵
      Create → Datum → Curve → Intr [$acute] Surf | Done  
      → Whole → [選圓柱面] → Whole → [選圓弧面]  
      → [產生交線]
      MAIN/View → Orientation → Default → Done/Return
      → [零件如圖5所示]
  
   
圖 5
步驟6  建構二個Datum Plane特徵
      Create → Datum → Plane → Through → [選圓柱面的軸心]  
      → Angle → [選DTM3] → Done → Enter value → [給60度]
      → [同上的步驟在Enter value 給-60度] → Done
      → [完成兩個Datum Plane之建構] → [零件如圖6所示]
  
   
圖 6
  
步驟7  建構point特徵
      Create → Datum → Point → Curve [$acute] Surf  
      → [選前半邊的curve] → [選DTM4] → Done sel  
      → Curve [$acute] Surf → [選前半邊的curve] → [選DTM5]
      → Done sel → Curve [$acute] Surf → [選後半邊的curve]  
      → [選DTM4] → Done sel → Curve [$acute] Surf  
      → [選後半邊的curve] → [選DTM5] → Done sel → Done
      → [完成四個point之建構] → [零件如圖7所示]
   
圖 7
  
步驟8  建立一條頂面Curve特徵
      Create → Datum → Curve → Sketch | Done  
      → [選DTM3為sketch plane] → Okay  
      → [選DTM2為Top refer plane ]  
      → [進入Sketcher模式,繪製如圖8之剖面] → Done  
      → OK → [完成Datum Curve之建構]  
      MAIN/View → Orientation → Default → Done/Return
      → [零件如圖9所示]
   
圖 8
   
圖 9
步驟9  建立另二條頂面Curve特徵
      [同步驟8分別建構出通過 PNT2,PNT0及PNT1,PNT3兩條
      curve] → [零件如圖10,11所示]
  
   
圖 10
  
   
圖 11
步驟10  建構頂面中心point特徵
      Create → Datum → Point → Curve [$acute] Curve  
      → [任選兩條剛才步驟建構的Curve] → Done  
      → [完成PNT4之建構]  
  
步驟11 將三條Curve用Split分段
      Create → Datum → Curve → Split | Done  
      → [選頂面三條curve中的任一條] → [再選PNT4] → Both
      → Okay → OK  
      → [重覆上述的步驟將其他兩條curve也分成兩段]  
  
步驟12  建構曲面特徵
      Create → Surface → New → Advanced | Done  
      → Boundaries | Done → Blended Surf | Done  
      → First Dir | Add Item | Chain → One By One | Select | Pick
      → [選頂面Curve前  部4條(每選一條要Done一次)]  
      → Second Dir | Add Item | Point/Vertex → [選PNT1]  
      → Done Sel → Chain → One By One | Select | Pick
      → [選圓周curve的前  端] → Done → Done Curves
      → Bndry Conds → Define → [選Boundary #1]  
      → Normal | Done → [選DTM3為Normal的平面]
      → Done → OK → [選Boundary #2] → Normal | Done  
      → [選DTM3為Normal的平面] → Done → OK → Done  
      → OK → [完成Boundaries Surface之建構]  
      MAIN/View → Orientation → Default → Done/Return
      → [零件如圖12,13所示]
  
   
圖 12
  
   
圖 13
步驟13  建構另一曲面特徵
       [同步驟12建構出另外一個曲面] → [零件如圖14,15所示]
  
   
圖 14
  
   
圖 15
步驟17  將兩個曲面merge
      Create → Surface → Merge → [選取兩個半頂面]
      → Done sel → Done → [零件如圖16所示]
  
   
圖 16
  
步驟18  建構薄殼特徵
      Create → Solid → Protrusion → Use Quit/thin/Done  
      → [選取surface特徵] → Done → [輸入薄殼厚度0.2]
      → OK
      MAIN/View → Orientation → Default → Done/Return
      → [零件如圖17所示]
  
   
圖 17
   
Blinded shapes
   
步驟1 建立新零件,並輸入零件名稱
     &nbspart → Create → [輸入零件名稱 Sruf_3]
  
步驟2 建立Datum Plane
      Create → Datum → Plane → Default
  
步驟3 建構圓柱Surface特徵
      Create → Surface → Extrude → One side / Open Ends / Done
      → Make Datum → Offset → [選DTM1] → Enter Value  
      → [輸入30之Offset距離] → Done → Okay  
      → [選DTM2為Top refer plane ]  
      → [進入Sketcher模式,繪製如圖1之剖面] → Done  
      → Up to surface → [選DTM1] → OK  
      → [完成Surface之建構]  
      MAIN/View → Orientation → Default → Done/Return
      → [零件如圖2所示]
   
圖 1
  
  圖 2
  
步驟4  建構平面特徵
      Create → Surface → New → Flat | Done  
      → Make Datum → Offset → [選DTM3] → Enter Value  
      → [輸入15之Offset距離] → Done → Okay  
      → [選DTM2為Top refer plane ]  
      → [進入Sketcher模式,繪製如圖3之剖面] → Done  
      → OK → [完成Surface之建構]  
      MAIN/View → Orientation → Default → Done/Return
      → [零件如圖4所示]
  
  圖 3
  
  圖 4
  
步驟5  Copy步驟4的Flat Surface
      Create → Copy → Same/Refs | Select | Independent | Done
      → [選步驟4的Surface] → Done Sel → Done
      → [選DTM1的尺寸] → Done → [給新的offset值12]
      → Okay → Done  
      → [完成的零件如圖5所示]
  
  圖 5
  
步驟6  建構另一個平面特徵
      Create → Surface → New → Flat | Done  
      → Make Datum → Offset → [選DTM2] → Enter Value  
      → [輸入20之Offset距離] → Done → Okay  
      → [選DTM3為Bottom refer plane ]  
      → [進入Sketcher模式,繪製如圖6之剖面] → Done  
      → OK → [完成Surface之建構]  
      MAIN/View → Orientation → Default → Done/Return
      → [零件如圖7所示]
  
   
圖 6
  
   
圖 7
  
步驟7  Copy步驟6的Flat Surface
      Create → Copy → Same/Refs | Select | Independent | Done
      → [選步驟6的Surface] → Done Sel → Done
      → [選DTM1的尺寸] → Done → [給新的offset值17]
      → Okay → Done  
      → [完成的零件如圖8所示]
   
圖 8
  
步驟8  建立兩條通過兩面的 Curve特徵
      Create → Datum → Curve → Thru Point | Done  
      → [選在同一方向上兩個平面的右下角]  
      → Done sel → Done → OK
      [以同樣的步驟選另外兩個平面的右下角建立另一條curve]  
      MAIN/View → Orientation → Default → Done/Return
      → [零件如圖9所示]
   
圖 9
步驟9 建立規跡的 Curve特徵
      Create → Datum → Curve → Thru Point | Done  
      → [選上下平面的右下角] → Done → Tangency | Define
      → Start | Crv/Edge/Axis | Tangent  
      → [選垂直的curve] → Okay → End | Crv/Edge/Axis | Tangent
      → [選水平的curve] → Flip → Okay → Done → OK  
      MAIN/View → Orientation → Default → Done/Return
      → [零件如圖10所示]
  
  圖 10
  
步驟10  建構圓柱面上的三個point特徵
      Create → Datum → Point → On Surface  
      → [將視角轉成前視圖選圓柱面]  
      → [再依據前視圖(如圖11)選取point大概的位置] → Done sel  
      → [選point的位置計算平面DTM1及DTM3]  
      → [point的位置接受內定值] → Done
      → [完成point之建構] → [零件如圖12所示]
  
   
圖 11
  
  圖 12
  
步驟11 建立規跡的 Curve特徵
      Create → Datum → Curve → Thru Point | Done  
      → [共選5個點包含兩個垂直,水平的右下角及步驟10的三個
          point] → Done → Tangency | Define
      → Start | Crv/Edge/Axis | Tangent  
      → [選垂直的curve] → Okay → End | Crv/Edge/Axis | Tangent
      → [選水平的curve] → Flip → Okay → Done/Return → OK  
      MAIN/View → Orientation → Default → Done/Return
      → [零件如圖13所示]
  
  圖 13
  
步驟12  建構支架曲面特徵
      Create → Surface → New → Advanced | Done  
      → Swept Blend | Done → Pivot Dir | Done  
      → [選DTM1為垂直面] → Okay → Select Traj  
      → [選三條curve包括垂直,水平及通過三點的curve]  
      → Done → Capped Ends | Done → Accept → Next → Next
      → Next → Accept → [直接Enter,不對Z軸旋轉]  
      → [進入Sketcher模式,用use edge繪製如圖14,15之剖面,
         注意start point的方向要一致] → Done  
      → [同前面兩個步驟,共有四個section以序完成] → Done
      → OK → [完成Surface之建構]  
      MAIN/View → Orientation → Default → Done/Return
      → [零件如圖16所示]
   
圖 14
  
   
圖 15
  
   
圖 16
  
步驟13  建構實體特徵
      Create → Solid → Protrusion → Use Quit/Solid/Done  
      → [選取surface特徵] → OK
      MAIN/View → Orientation → Default → Done/Return
      → [零件如圖17所示]
   
圖 17
   
Multiple-style Models
  
   
  
步驟1 建立新零件,並輸入零件名稱
     &nbspart → Create → [輸入零件名稱 Sruf_4]
  
步驟2 建立Datum Plane
      Create → Datum → Plane → Default
  
步驟3 建立底面Curve特徵
      Create → Datum → Curve → Sketch | Done  
      → [選DTM2為sketch plane] → Okay  
      → [選DTM3為Bottom refer plane ]  
      → [進入Sketcher模式,繪製如圖1之剖面] → Done  
      → OK → [完成Datum Curve之建構]  
      MAIN/View → Orientation → Default → Done/Return
      → [零件如圖2所示]
  
   
圖 1
  
   
圖 2
  
步驟4 建構point特徵
      Create → Datum → Point → Curve [$acute] Surf  
      → [選右邊Curve] → [選DTM3] → Done sel → Curve [$acute] Surf
      → [選左邊Curve] → [選DTM3] → Done sel → Curve [$acute] Surf
      → [選前端Curve] → [選DTM1] → Done sel → Curve [$acute] Surf
      → [選後面Curve] → [選DTM1] → Done sel → Done
      → [完成Datum Point之建構]  
      MAIN/View → Orientation → Default → Done/Return
      → [零件如圖3所示]
  
   
圖 3
  
步驟5 建立頂面Curve特徵
      Create → Datum → Curve → Sketch | Done  
      → [選DTM3為sketch plane] → Okay  
      → [選DTM2為Top refer plane ]  
      → [進入Sketcher模式,繪製如圖4之剖面] → Done  
      → OK → [完成Datum Curve之建構]  
      MAIN/View → Orientation → Default → Done/Return
      → [零件如圖5所示]
  
  圖 4
  
  圖 5
  
步驟6 建立另一條頂面Curve特徵
      Create → Datum → Curve → Sketch | Done  
      → [選DTM1為sketch plane] → Okay  
      → [選DTM2為Top refer plane ]  
      → [進入Sketcher模式,繪製如圖6之剖面] → Done  
      → OK → [完成Datum Curve之建構]  
      MAIN/View → Orientation → Default → Done/Return
      → [零件如圖7所示]
  
  圖 6
  
  圖 7
  
步驟7 建構頂面中心point特徵
      Create → Datum → Point → Curve [$acute] Curve  
      → [選步驟5,6建構的Curve] → Done  
      →  [完成Datum Point之建構] → [零件如圖8所示]
  
  圖 8
  
步驟8 將四條Curve用Split分段
      Create → Datum → Curve → Split | Done  
      → [選DTM3方向的Curve] → [再選PNT4] → Okay
      → Ok → Create → Datum → Curve → Split | Done  
      → [選DTM1方向的Curve] → [再選PNT4] → Okay
      → Ok → Create → Datum → Curve → Split | Done  
      → [選前端的Curve] → [再選PNT2] → Both → Okay
      → Ok → Create → Datum → Curve → Split | Done  
      → [選左邊小段的Curve] → [再選PNT1] → Both → Okay
      → Ok → Done → [完成Datum Curve之建構]  
      MAIN/View → Orientation → Default → Done/Return
      → [零件如圖9所示]
  
  圖 9
  
步驟9  建構曲面特徵
      Create → Surface → New → Advanced | Done  
      → Boundaries | Done → Blended Surf | Done  
      → First Dir | Add Item | Chain → One By One | Select | Pick
      → [選PNT1到PNT4的Curve] → Done  
      → [選PNT1到PNT2的Curve] → Done  
      → Second Dir | Add Item | Chain → One By One | Select | Pick
      → [選PNT2到PNT4的Curve] → Done  
      → Point | Vertex → [選PNT1] → Done Sel → Done Curves
      → Bndry Conds → Define → [選Boundary #1]  
      → Normal | Done → [選DTM3為Normal的平面]
      → OK →[選Boundary #3] → Normal | Done  
      → [選DTM1為Normal的平面] → OK → Done  
      → OK → [完成Boundaries Surface之建構]  
      MAIN/View → Orientation → Default → Done/Return
      → [零件如圖10所示]
  
   
  
   
圖 10
  
步驟10  Copy剛才完成的Surface Feature
      Create → Copy → Mirror | Select | Independent | Done
      → [選剛才完成的Boundary surf] → Done Sel → Done
      → [選要鏡射的平面(DTM3)] → [零件如圖11所示]
      → [再依上面步驟選DTM1為鏡射面將兩個surf mirror到右邊]
      → [零件如圖12所示]
  
  圖 11
  
  圖 12
  
步驟11  將三個曲面merge
      Create → Surface → Merge → [選取左邊的兩個曲面]
      → Done sel → Done → [再一次將左右兩邊的曲面merge]
      → Done sel → Done → [零件如圖13所示]
  
   
圖 13
  
步驟12  建構圓錐面特徵
      Create → Surface → New → Revolve | Done  
      → Oneside | Open End → [選DTM3為sketch plane] → Okay  
      → [選DTM2為Top refer plane ]  
      → [進入Sketcher模式,繪製如圖14之剖面] → Done  
      → 360 | Done → OK → [完成Surface之建構]  
      MAIN/View → Orientation → Default → Done/Return
      → [零件如圖15所示]
  
   
圖 14
   
圖 15
  
步驟13  建構point特徵
      Create → Datum → Point → At Center → [選圓錐較小的面]   
      → Done sel → On Surface → [選DTM2為point所在平面]
      → [再選point大概的位置] → Done sel  
      → [選point的位置計算平面DTM3及DTM1]  
      → [給距離DTM3為0] → [給距離DTM1為4] → Done
      → [完成PNT5及PNT6之建構] → [零件如圖16所示]
  
   
圖 16
步驟14 建立規跡的 Curve特徵
      Create → Datum → Curve → Thru Point | Done  
      → [選PNT5及PNT6] → Done → Tangency | Define
      → Start | Crv/Edge/Axis | Tangent  
      → [選圓錐的中心軸線A-1] → Okay  
      → End | Crv/Edge/Axis | Normal → [選DTM2] → Flip
      → Okay → Done/Return → OK  
      MAIN/View → Orientation → Default → Done/Return
      → [零件如圖17所示]
   
圖 17
  
步驟15  建構圓柱面特徵
      Create → Surface → New → Sweep | Done  
      → Select Traj → [選剛才建構之curve] → Done → Okay
      → Open Ends | Done  
      → [進入Sketcher模式,繪製如圖18之剖面] → Done  
      → OK → [完成Surface之建構]  
      MAIN/View → Orientation → Default → Done/Return
      → [零件如圖19所示]
  
   
圖18
  
   
圖19
步驟16  建構底面特徵
      Create → Surface → New → Flat | Done  
      → [選DTM2為sketch plane] → Okay  
      → [選DTM3為Top refer plane ]  
      → [進入Sketcher模式,繪製如圖20之剖面] → Done  
      → OK → [完成Surface之建構]  
      MAIN/View → Orientation → Default → Done/Return
      → [零件如圖21所示]
  
   
圖 20
  
   
圖 21
  
步驟17  將四個曲面merge
      Create → Surface → Merge → [先選取圓錐面及圓柱面]
      → Done sel  → Done → Merge → [再選取圓弧頂面及底面]
      → Done sel  → Done → Merge → [最後選取兩個merge面]]
      → Flip → Okay → Flip → Okay → Done
      → [零件如圖22所示]
  
   
圖 22
  
步驟18  建構倒圓角特徵
      Create → Surface → New → Fillet | Done  
      → Simple | Done → Constant | Edge Chain | Done
      → [選取頂面和支架圓柱面交界處] → [給圓角值1.5]
      → Done → OK → [完成倒圓角Surface之特徵]  
      MAIN/View → Orientation → Default → Done/Return
      → [零件如圖23所示]
  
   
圖 23
  
步驟19  建構實體特徵
      Create → Solid → Protrusion → Use Quit/Solid/Done  
      → [選取surface特徵] → OK
      MAIN/View → Orientation → Default → Done/Return
      → [零件如圖24所示]
  
   
圖 24
  
   
Multiple-style Models
  
   
  
步驟1 建立新零件,並輸入零件名稱
     &nbspart → Create → [輸入零件名稱 Sruf_5]
  
步驟2 建立Datum Plane
      Create → Datum → Plane → Default
  
步驟3 建立半圓的Surface特徵
      Create → Surface → Extrude → Both side | Open Ends  
      → Done → [選DTM1為sketch plane] → Okay  
      → [選DTM3為Top refer plane ]  
      → [進入Sketcher模式,繪製如圖1之剖面] → Done  
      → Blind | Done → [輸入60之深度(Depth)] → OK
      → [完成Surface Extrude之建構]  
      MAIN/View → Orientation → Default → Done/Return
      → [零件如圖2所示]
  
   
圖 1
  
   
圖 2
  
步驟4 建立上半圓的Curve特徵
      Create → Datum → Curve → Sketch | Done → Make Datum
      → Offset → [選DTM1] → Enter Value  
      → [輸入30之Offset距離] → Done → Okay  
      → [選DTM2為Top refer plane ]  
      → [進入Sketcher模式,繪製如圖3之剖面] → Done  
      → OK
      → [完成Datum Curve之建構]  
      MAIN/View → Orientation → Default → Done/Return
      → [零件如圖4所示]
   
圖 3
  
  圖 4
  
步驟5 重覆上述步驟在Entervalue給10的值完成相同的一條Curve
       如圖5所示
  
  圖 5
  
步驟6  Copy剛才完成的二條Curve
      Create → Copy → Mirror | Select | Independent | Done
      → [選剛才完成的二條Curve] → Done Sel → Done
      → [選要鏡射的平面(DTM1)] → [零件如圖6所示]
   
圖 6
  
步驟7  建構另外一條Curve
      Create → Datum → Curve → Sketch | Done → Make Datum
      → Offset → [選DTM1] → Enter Value  
      → [輸入20之Offset距離] → Done → Okay  
      → [選DTM2為Top refer plane ]  
      → [進入Sketcher模式,繪製如圖7之剖面] → Done  
      → OK → [完成Datum Curve之建構]  
      MAIN/View → Orientation → Default → Done/Return
      → [零件如圖8所示]
  
   
圖 7
  圖 8
  
步驟8  Copy步驟7的Curve
      Create → Copy → Mirror | Select | Independent | Done
      → [選剛才完成的一條Curve] → Done Sel → Done
      → [選要鏡射的平面(DTM1)]  
  
步驟9  再Copy步驟7的Curve
      Create → Copy → Same/Refs | Select | Independent | Done
      → [選步驟7完成的Curve] → Done Sel → Done
      → [選DTM1的尺寸] → Done → [給新的offset值0]
      → Okay → Okay → Done  
      → [完成的零件如圖9所示]
  
   
圖 9
  
步驟10  建構曲面特徵
      Create → Surface → New → Advanced | Done  
      → Boundaries | Done → Blended Surf | Done  
      → First Dir | Add Item | Chain → One By One | Select | Pick
      → [依序選取之前建構的7條Curve] → Done Curves
      → OK → [完成Boundaries Surface之建構]  
      MAIN/View → Orientation → Default → Done/Return
      → [零件如圖10所示]
  
  圖 10
  
步驟11  將兩個曲面merge
      Create → Surface → Merge → [選取兩個曲面]
      → Flip → Okay → Flip → Okay → Done sel  
      → Done → [零件如圖11所示]
  
   
圖 11

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