利用NX软件设计一部数码相机的全过程

1、 Case study Digicam (Part file name:digicam.prtWork Layer = 100Step 1将Layer3的 Magenta Curve in 拉伸 : Start Distance=25 & End Distance=-25.Step 2将Layer4的黄色曲线投影到拉伸的曲面上 Step 3以Layer5的橙色曲线为引导线，紫色曲线为Section 扫掠 Step 4以Layer2的Cyan 色 Datum Plane对称将曲面镜像改颜色为Blue.Step 5利用Layer7的2组白色线串以及投影的绿色线为Primary, 以 Swe

2、pt Face Edges andMagenta Curve 为 Cross 生成Through Curve Mesh Step 6用Layer 8.的Green Curve 和Through Curve Mesh Edge 做Bounded PlaneStep 7以End Points 为 Primary 以Magenta Curve 及网格面的Edge 为Cross 做Mesh 面Step 8使用所有的 Edges 做Bounded Plane Step 9Sew All FacesStep10 将Layer 11的黄色线投影到 Extruded Green Face.Step11同理，利

3、用Layer 12的 Orange Curve & Purple Curve as 做扫描面 Step12Mirror Swept Face about Cyan Datum Plane in Layer 2.Step13用Layer 14的两组白色线及Projected Green Curve 为Primary ，Swept Face Edges 为Cross.生成Through Curve Mesh Step14以End Points 为 Primary 以Magenta Curve 及网格面的Edge 为Cross 做Mesh 面用Green Curve 和Through Cur

4、ve Mesh Edge 做Bounded PlaneStep15Bounded Plane using All Edges of Faces.Step16Sew All Faces together into a solid. Step17使用Layer 17 的Orange Curve 为 Guide Purple Curve 为 Section.做扫描Step18用 Swept Face.Trim Solid Step19Blend Edge, R = 6.Step20Chamfer Edges, 1st Offset = 0.25 & 2n dOffset = 4. Step2

5、1生成Face Blend 使用 Conic 类型， 1st Offset = 1 & 2nd Offset = 1.5.Step22生成Taper ， Angle = 10, Direction = Y & Reference Point.选Corner Point Step23Blend Highlighted Edges using R = 1.5.Step24 拉伸Layer 21的 Purple Curve , Start Distance = 0 & End Distance = 6.Step25 Offset Highlighted Face = -0.1

6、. Step26拉伸Layer 22的 Purple Curve, Start Distance = 0 & End Distance = 6.Step27 Offset Highlighted Face = -0.3.Step28设At Timestamp & Blank Original 抽取实体. 并将 Extracted Body 改成灰色Gray. Step29拉伸Layer 24的 Cyan Curves ， Start Distance = 10 & End Distance = 60.Step30 将抽取前的物体用Extruded Face 如图所示Tr

7、im Body. Step31将抽取的灰色物体如图用拉伸面Trim BodyStep32 拉伸Layer 25的 Magenta Curves ， Start Distance = 13 & End Distance = 20与灰色的抽取物体subtracted Step33拉伸Layer 26的Yellow Curves， Start Distance = 0 & End Distance = 5与灰色的抽取物体subtractedStep34 生成 Sphere ，Diameter = 5.5 圆心定在 Layer 27.的点上 Step35 Chamfer Edges ，

8、1st Offset = 0.25 and 2nd Offset = 3.Step36 Blend Edges ， R = 3. Step37Blend Edge ， R = 1.Step38拉伸Layer 23的 Yellow Curves ， Start Distance = 0 & End Distance = 5.Step39Offset Highlighted Faces with 0.3. Step40将拉伸的 Solid 抽取（ At Timestamp & Blank Original.） 将刚抽取的实体改为白色. Step41将灰色Gray Body.用刚抽取

9、的白色实体Subtract Step42 用原来的实体将相机外壳Subtract (如右图所示. Step43Extrude Orange Curves in Layer 20 with Start Distance = 0 & End Distance = 5.Step44Offset Highlighted Faces with 0.1.Step45Extract Body of the Blue Solid with At Timestamp & Blank Original. Change the newlyExtracted Body to White. Step46

10、Subtract Extracted White Body from Gray Body.Step47 Subtract Original Extruded Blue Body from Blue Body.Step48Extrude Purple Curve in Layer 29 with Start Distance = 0 & End Distance = 5.Step49 Offset Highlighted Face with 0.3. Step50Extrude Green Curve in Layer 30 with Start Distance = 0.0 &

11、 End Distance = 6.0.Step51 Chamfer Highlighted Edge with Single Offset = 0.5.Step52Offset Highlighted Face to 0.3. Step53Offset Highlighted Face to 0.3.Step54 Extrude the Green Curves in Layer 64 with Start Distance = 0 & End Distance = 4.0,Subtract from Gray Body.Step55Offset Highlighted Faces

12、with 0.2. Step56Chamfer Highlighted Edges with Single Offset = 0.5.Step57Chamfer Highlighted Edge with Single Offset = 0.5. Step58Chamfer Highlighted Edges with Single Offset = 0.5.Step59Chamfer Highlighted Edge with Single Offset = 0.5. Step61Chamfer Highlighted Edges with Double Offset, 1st Offset

13、 = 0.25 & 2nd Offset = 2. Step62Create 3 Spheres with Diameter = 4 & Unite with Blue Body. Location of Sphere isLayer 36.Step63Extrude Purple Curve in Layer 38 with Start Distance = 0 & End Distance = 5 andSubtract from Gray Body.Step64Extrude Purple Curve in Layer 38 with Start Distance

14、 = 0 & End Distance = 5 andSubtract from Blue Body.Step65Extrude Blue Curve in Layer 39 with Start Distance = 0 & End Distance = 5 andSubtract from Gray Body.Step66Extrude Green Curve in Layer 40 with Start Distance = 0 & End Distance = 5 andSubtract from Gray Body. Step68Extrude Magenta

15、 Curve in Layer 42 with Start Distance = 0 & End Distance = 5 andSubtract from Gray Body.Step69Extrude Magenta Curve in Layer 42 with Start Distance = 0 & End Distance = 5 andSubtract from Blue Body.Step70Offset Highlighted Faces with 0.3. Step71Chamfer Highlighted Edges with Single Offset =

16、 0.5.Step72Create Cylinder with Diameter = 15 & Height = 15, then Subtract from Blue Body,Location is determined by Layer 44. Direction is +ZC Axis.Step73Repeat the same operation for another Blue Body.Step74Offset Highlighted Faces with 0.3. Step75 Offset Highlighted Face with 0.2. Step76 如 右 图

17、 所 示 ， 将 外 壳 抽 取 (At Timestamp & Blank Original将 刚 抽 取 的 物 体 改 成 绿 色 . Highlighted Faces Green Body Step77 继 续 抽 取 绿 色 外 壳 ， 将 新 抽 取 物 体 改 成 黄 色 (At Timestamp & Blank Original Step78 拉 伸 Layer 48 的 Magenta Curves ， Start Distance = -25 & End Distance = 10. Yellow Body Magenta Curves Step

18、79 利 用 拉 伸 面 将 最 初 兰 色 实 体 Trim body. Step80 同 理 拉 伸 Layer 50 的 Magenta Curves， Start Distance = -25 & End Distance = 10. Step81 同 样 将 最 初 兰 色 实 体 用 拉 伸 面 Trim Body Step82 如 右 图 所 示 将 抽 取 的 Yellow Body 用 拉 伸 面 修 剪 . Step83 用 另 一 拉 伸 面 将 抽 取 的 绿 色 实 体 修 剪 。 . Step84 Offset Highlighted Faces with

19、0.2. Highlighted Faces Step85 Extrude Cyan Curve in Layer 52 with Start Distance = 0 & End Distance = -20. Step86 Extrude Magenta Curve in Layer 53 with Start Distance = 0 & End Distance = 8. Cyan Curve Magenta Curve Step87 Blend Highlighted Edge with R = 3. Step88 Blend Highlighted Edges wi

20、th R = 0.5. Highlighted Edge Highlighted Edges Step89 Extrude White Curve in Layer 56 with Start Distance = 0 & End Distance = 5. Step90 Chamfer Highlighted Edge with Single Offset = 0.25. Step91 Extrude Yellow Curve in Layer 57 with Start Distance = 0 & End Distance = 20. White Curve Yellow Curve Highlighte