plastic bottle catia 的可乐瓶练习

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饮料瓶的三维结构设计

饮料瓶的三维结构设计

华中科技大学文华学院毕业设计(论文)饮料瓶的三维结构设计学生姓名:徐某某学号:********** 学部(系):机械与电气工程学部专业年级: 09机械设计制造与制造指导教师:韩某某职称或学位:讲师2012年 5 月 20 日目录摘要 (I)关键词 (I)Abstract ......................................................................................................................................................... I I Key words ...................................................................................................................................................... I I 1绪论 .. (1)1.1Pro/e的发展前景 (1)1.2设计饮料瓶的目的和意义 (3)2 三维造型设计 (5)2.1设计饮料瓶的方法比较以及遇到的难点 (5)2.1.1学Pro/e需要的基础 (5)2.2 设计过程 (9)2.2.1饮料瓶设计 (9)2.3 本节小结 (13)3 二维工程图的创建 (14)3.1 设计概述 (14)3.2 设计流程 (14)3.3 本节小结 (15)结论 (16)参考文献 (17)致谢 (18)饮料瓶的三维结构设计摘要本次三维设计使用的是PROE软件,PRO/E作为全世界最普及的3D CAD/CAM系统.被广泛应用于电子、机械、模具、工业设计、汽车、机车、自行车、航天、家电、玩具等各行业。

本文利用PROE进行饮料瓶的三维结构设计,这个模型必须使用曲面造型才能完成设计任务,在日常的模具产品设计中,曲面设计也是必不可少的。

CAXA制造工程师习题(塑料瓶底画法)

CAXA制造工程师习题(塑料瓶底画法)

-第13章 综合实例13.1可乐瓶底的造型和加工13.1.1 凹模型腔的造型13.1.1.1造型方法分析可乐瓶底的表面主要由曲面构成,造型比较复杂。

由于直接用实体造型不能完成,所以先利用CAXA 制造工程师强大的曲面造型功能做出曲面,再利用曲面裁剪除料生成凹模型腔。

可乐瓶底的侧表面可以用网格面来生成,因为是由图6-30可乐瓶底曲面造型的二维图图6-29可乐瓶底曲面造型和凹模型腔造型五个完全相同的部分组成的,我们只要作出一个突起的两根截面线和一个凹进的一根截面线,然后进行环形阵列就可以得到其他几个突起和凹进的所有截面线,最后使用网格面功能生成曲面。

可乐瓶底的最下面的平面我们使用直纹面中的--“点+曲线”方式来做,这样做的好处是在做加工时两张面(直纹面和网格面)可以一同用参数线加工。

最后以瓶底的上口为准,构造一个立方体实体,然后用可乐瓶底的两张面把不需要的部分裁剪掉,就可以得到我们要求的凹模型腔。

13.2.1.2绘制截面线1.按下“F7”键将绘图平面切换到XOZ 平面。

2.单击“矩形”按钮,在立即菜单中选择“中心_长_宽”方式,输入长度42.5,宽度37,输入(21.25,0,-18.5)为中心点,绘制一个42.5×37的矩形。

如图6-31所示 3.单击“等距线”按钮,在立即菜单中输入距离3,拾取矩形的最上面一条边,选择向下箭头为等距方向,生成距离为3的等距线。

相同的等距方法,生成如图所示尺寸标注的各个等距线,如图6-32所示。

4.单击“裁剪”按钮,拾取需要裁剪的线段,然后单击“删除”按钮,拾取需要删除的直线,按右键确认删除,结果如图6-33所示。

5. 作过P1、P2点且与直线L1相切的圆弧。

单击 “圆弧图6-31矩形图6-32等距线图6-33 删除结果-”按钮,选择“两点_半径”方式,拾取P1点和P2点,然后按空格键在弹出的点工具菜单中选择“切点”命令,拾取直线L1。

6.作过P4点且与直线L2相切,半径为6的圆R6。

CATIA实操瓶子的设计方法

CATIA实操瓶子的设计方法

CATIA实操瓶子的设计方法在工业设计领域,CATIA 是一款功能强大的软件,能够帮助设计师实现各种复杂的设计构想。

今天,我们就来详细探讨一下如何使用CATIA 来设计一个瓶子。

首先,打开 CATIA 软件,新建一个零件文件。

在开始设计之前,我们需要明确瓶子的设计要求,比如瓶子的用途(是用于盛装液体还是固体)、容量大小、外观风格(简约、时尚、复古等)、材质(玻璃、塑料、金属等)以及生产工艺(吹塑、注塑、压铸等)。

假设我们要设计一个用于盛装饮料的塑料瓶,容量为 500 毫升,外观简约时尚。

第一步,绘制瓶子的轮廓草图。

选择“草图”工具,在基准平面上绘制瓶子的大致轮廓。

可以先画出一个长方形,作为瓶子的主体部分,然后在长方形的上方和下方分别绘制出弧形,以形成瓶颈和瓶底的初步形状。

注意,在绘制草图时,要合理使用约束工具,确保线条之间的位置和尺寸关系准确无误。

第二步,对草图进行拉伸操作。

选中绘制好的草图,选择“拉伸”工具,输入合适的拉伸长度,从而得到瓶子的初步实体模型。

接下来,对瓶子的瓶颈部分进行细化设计。

再次进入草图模式,在瓶颈处绘制新的草图,如螺纹或者防滑纹理等。

完成草图后,进行相应的特征操作,如旋转、扫掠等,以实现所需的效果。

瓶底的设计也不容忽视。

同样通过草图和特征操作,为瓶底设计出合适的形状,比如平底、凹底或者凸底,并考虑其稳定性和受力情况。

在设计过程中,要时刻关注瓶子的整体比例和对称性。

可以使用CATIA 中的“测量”工具,测量瓶子各部分的尺寸和角度,确保符合设计要求。

然后,对瓶子的表面进行处理。

如果想要瓶子表面呈现出光滑的效果,可以使用“曲面拟合”工具;如果希望有磨砂质感,则可以通过添加纹理或使用“布尔运算”来实现。

此外,还可以为瓶子添加一些装饰元素,如品牌标志、图案等。

这可以通过在瓶身表面绘制草图,然后进行浮雕或刻蚀等操作来完成。

当瓶子的主体设计完成后,不要忘记对其进行装配检查。

将瓶子放入虚拟的包装环境中,查看其与其他部件的配合是否良好,是否存在干涉等问题。

Catia曲面设计的流程

Catia曲面设计的流程

结构曲面设计的流程(Generative Shape Design)结构曲面可乐瓶的设计:首先打开练习里的一个文件,在GSD-F \ Student \ Data \ Bottle \ Bottle_Step1 \ Start_bottle.CA TPart.第一步:建立一个瓶底1. 插人(Insert)一个新的Open Body.(a).在菜单栏里选择(Insert)插人。

(b).在插人菜单里选择Open Body.(c)会弹出一个对话框,见图:2.在结构树上点击Open Body,用右键弹出菜单选择属性(Properties),见图3.选择(Feature Properties),把Open Body改成Bottle_Bottom_a 。

见图:4.建立一个交点( Intersection )(a)选择交点(Intersection)图标。

见图(b)在(first elemen)对话框里选择Sketch.2。

(c)在(second element)对话框里选择Intersect.1。

见图点击ok5.建立一个圆弧:(a)选择Work on Support的图标,见图:(b)选择zx平面作为基准面点击ok(c)选择(Circle )这个图标。

(d) 在(Circle type)里,选择“Center and Point”见图:(c)在(Center)复选框里,用右键弹出菜单,并且选择(Create Point)见图:(d)在这个点的复选框里,选择所需要的参数。

见图:(参考基准点)ReferenceÆPoint复选框里的(Intersect.4),在结构树上点击。

点击ok(c) 圆的中心点被建立了,在(point)复选框里,选择(Intersect.4), 在(Start)复选框里, 选择-90deg, (End)复选框里, 选择90deg。

见图点击ok6.建立二根相切的直线:(a)选择点(Point)的图标:点的参数见图:(b)选择对称(Symmetry)的图标:(c)在元素(Element)复选框里,选择(Point.2), 对称参考轴(Reference)复选框里,选择(Intersect.1), 见图:点击ok7.双击线(Line)的图标:(a)在线的类型里(line type), 选择(Tangent to Curve), 见图:(b)在(Curve)的复选框里,选择(Circle.2), (Element.2)的复选框里,选择(Point.2),相切选项里(Tangency options), 选择(BiTangent). 见图:点击ok(c)重复(b)的操作的方法,做另一个对称的线。

CATIA曲面练习之饮料瓶建模

CATIA曲面练习之饮料瓶建模
Plastic Bottle
1. Bottle Bottom Creation
1.1 • Insert a New Geometrical Set Select Insert in the Menu bar.

Select Geometrical Set in the Insert Menu.
COPYRIGHT DASSAULT SYSTEMES
COPYRIGHT DASSAULT SYSTEMES
51

Redo the same operation with the Plane Symmetry.2

Click on OK to confirm the Split creation. 52
COPYRIGHT DASSAULT SYSTEMES
COPYRIGHT DASSAULT SYSTEMES
50

Click on OK to confirm the fillet creation.
1.15 •
Create the complete bottom. Select the Split icon then the EdgeFillet.1 you have just created and the Plane.4 and keep the side as shown.
• •
Click OK. Select the Circle icon.

Choose ‘’Center and Point’’ as Circle type.

Open a contextual menu in the Center field and choose Create Point 37

catia逆向建模范例(油壶)

catia逆向建模范例(油壶)

CATIA Training Q u i c k S u r f a c eR e c o n s t r u c t i o nD e t a i l e d S t e p sTable of ContentsPlastic bottle exercise (3)Step (1): Scans creation (3)Step (2): Curves creation (5)Step (3): Surfaces creation (10)Step (4): Creating the rough model (18)Step (5): Filleting the model (21)Plastic bottle exerciseStep (1): Scans creationLoad the file exercise_start.CATPart from the indicated directory. Start the Quick Surface Reconstruction workbench.1. Create a first scan at the symmetry plane:a. Click on the Planar sections iconb. Select the tessellationc. Click on the Flip to XZ buttond. Activate the contextual menu of the plane manipulatore. Select the Edit optionf. Set the Y coordinates to 0g. Click the Close buttonh. Check the Grouped into one element optioni. Click on the Apply buttonj. Click on the OK button2. Create a second scan by isoslope computation:a. Click on the Slope analysis iconb. Select the tesselationc. Click on the Flip to X buttond. Set the Filter value to 250e. Check the Distinct optionf. Click on the OK button3. Create a third scan by planar section:a. Click on the Planar sections iconb. Select the tessellationc. Click on the Flip to XY buttond. Activate the contextual menu of the plane manipulatore. Select the Edit optionf. Set the Z coordinates to 205g. Click the Close buttonh. Check the Distinct optioni. Click on the Apply buttonj. Click on the OK button4. Create a last scan by planar sections:a. Click on the Planar sections iconb. Select the tessellationc. Click on the Flip to XY buttond. Activate the contextual menu of the plane manipulatore. Select the Edit optionf. Set the Z coordinates to 0g. Click the Close buttonh. Check the Distinct optioni. Click on the Apply buttonj. Click on the OK buttonStep (2): Curves creationBefore starting the curves creation, create a new open body and name it Curves creation.You can also load the file End_step1.CATPart from the indicated directory1. Create curves from the scan on the symmetry planea. Click on the Curve from scan iconb. Select the first created scanc. Set the Accuracy value to 0.5d. Set the Degree value to 6e. Set the Number value to 20f. Activate the Smoothing creation modeg. Set the Split angle value to 45h. Add two splitting points below the top fillet and before the handle fillet with point continuityi. Add one splitting point below the fillet handle with point continuityj. Add 4 splitting point at the bottom of the bottle with Tangent continuityk. Add one splitting point below the fillet handle with point continuityl. Add 2 splitting points as shown with point continuityTotal splitting points should look like this:m. Click on the Apply buttonn. Click on the OK button2. Create a curve from the second scana. Click on the Curve from scan iconb. Select the scan created by isoslopec. Set the Split Angle value to 90d. Remove all the splitting points using the Remove split option of the contextual menu of eachpointe. Remove both extremities using the Remove split option of the contextual menu of eachextremityf. Add one splitting point on the scan below the top fillet and before the top intersection scang. Add one splitting point on the scan below the bottom intersection scanh. Set the accuracy value to 1mmi. Set the Order value to 4j. Click on the Apply buttonk. Click on the OK button3. Create a curve on the top scana. Click on the Curve from scan iconb. Select the third scan createdc. Set the Accuracy value to 0.5mmd. Click on the Apply buttone. Click on the OK button4. Create a curve on the last scana. Click on the Curve from scan iconb. Select the last scan createdc. Add splitting points with tangent continuity as shownd. Click on the Apply buttone. Click on the OK button5. Hide all the scans6. Trim all the curves createda. Click on the Curves slice iconb. Select all the curves using a trapc. Click on the More buttond. Set the Max distance to 2mme. Click on the Apply button to preview the intersecting pointsf. Click on the OK button7. Delete the two curves in the handle:8. Start the Wireframe and Surface design workbench9. Create a blending curve in the left handle areaa. Click on the Connect curves iconb. Select the extremity point of the top curvec. Select the extremity point of the bottom curved. Reverse the blending direction if necessarye. Click on the OK button10. Create a blending curve in the right handle areaa. Click on the Connect curves iconb. Select the extremity point of the top curvec. Select the extremity point of the bottom curved. Reverse the blending direction if necessarye. Click on the OK buttonStep (3): Surfaces creationBefore starting the surfaces creation, create a new open body and name it Surfaces creation. You can also load the file End_step2.CATPart from the indicated directory.1. Create extruded surfaces to be used as tangency constraints:a. Click on the Extrude iconb. Select a curve in the symmetry planec. Set the Direction to Y axisd. Set the extrusion Limit 1 to 20mme. Reverse the extrusion direction if necessaryf. Click on the OK buttong. Repeat the actions a. to f. for all the curves in the symmetry plane:2. Extrude the middle curve to create a tangency constraint:a. Click on the Extrude iconb. Select the middle curve resulting from the smoothing of the isoslope scanc. Set the Direction to X axisd. Set the extrusion Limit 1 to 20mme. Reverse the extrusion direction if necessaryf. Click on the OK button3. Hide the extruded curves4. Start the Quick Surface Reconstruction workbench5. Activate the points of the left half of the bottle:a. Click on the Activate iconb. Activate the Trap optionc. Activate the Polygonal optiond. Activate the Inside trap optione. Select the tessellationf. Define a trap around the points of the left side of the bottle, excluding the handle pointsg. Click on the OK button6. Create a first surface on these points:a. Click on the Power fit iconb. Set the Point gap value to 0.5mmc. Select the tessellationd. Select the 7 boundary curves for the area to fillKeep the default continuity level for all curvese. Click on the Apply buttonf. Click on the OK button7. Hide the middle symmetry constraint surface8. Activate the points of right half of the tessellation:a. Click on the Activate iconb. Select the tessellationc. Click on the Activate all buttond. Define a trap around the points of the right side of the bottle, excluding the handle pointse. Click on the OK button9. Create a second surface on these pointsa. Click on the Power fit iconb. Set the Point gap value to 0.5mmc. Select the tessellationd. Select the 7 boundary curves for the area to fillKeep the default continuity level for all curvese. Click on the apply buttonf. Click on the OK button10. Activate all the points of the tessellation:a. Click on the Activate iconb. Select the tessellationc. Click on the Activate all buttond. Click on the OK button11. Hide all the symmetry constraints12. Create a cylinder on the top of the bottlea. Click on the Activate iconb. Select the tessellationc. Create a trap around the top of the bottled. Click on the OK buttone. Click on the Basic surface recognition iconf. Select the tessellationg. Activate the Cylinder optionh. Check the Axis optioni. Set the Axis values to 0,0,1j. Click on the Apply buttonk. Click on the OK buttonl. Double-click on the cylinderm. Pull the bottom limit down:n. Click on the OK buttono. Double click on the cylinder circle in the treep. Relimit the cylinder to the necessary part for the model reconstruction:q. Click on the OK button13. Create a plane on the top of the bottlea. Click on the Activate iconb. Select the tessellationc. Create a trap around the top of the bottled. Click on the OK buttone. Click on the Basic surface recognition iconf. Select the tessellationg. Activate the Automatic modeh. Click on the Apply buttoni. Orientate and extend the plane as necessaryj. Click on the OK button14. Create a plane on the bottom of the bottlea. Click on the Activate iconb. Select the tessellationc. Click on the Activate all buttond. Define a trap around the bottom pointse. Click on the OK buttonf. Click on the Basic surface recognition icong. Select the tessellationh. Activate the Plane optioni. Check the Axis optionj. Set the plane normal to 0, 0, 1k. Click on the Apply buttonl. Orientate and extend the plane as requiredm. Click on the OK button15. Create a free form surface on the left handlea. Click on the Activate iconb. Select the tessellationc. Click on the Activate all buttond. Define a trap around the left handle pointse. Click on the OK buttonf. Click on the Power fit icong. Set the Point gap value to 0.5mmh. Select the tessellationi. Click on the Apply buttonj. Click on the OK buttonk. Click on the Activate iconl. Select the tessellationm. Click on the Activate all buttonn. Click on the Extrapolate icono. Select the right side boundary of the created surface p. Select the last created surfaceq. Set the Limit type to Lengthr. Set the Length to 10mms. Set the Continuity parameter to Curvaturet. Click on the OK button16. Repeat the operation 15 on the right side handleStep (4): Creating the rough modelBefore starting the rough model creation, create a new open body and name it rough model. You can also load the file End_step3.CATPart from the indicated directory.1. Create a Join with the two main surfaces of the bottle2. Start the Wireframe and surface workbench3. Create the top boundary of the join4. Create the bottom boundary of the join5. Start the Quick Surface Reconstruction workbench6. Extrapolate the join in the +Z direction:a. Click on the Extrapolate iconb. Select the top boundary of the joinc. Select the Joind. Set the Limit type to Lengthe. Set the Length to 4mmf. Set the Continuity parameter to Curvatureg. Click on the OK button7. Extrapolate the join in the -Z direction:a. Click on the Extrapolate iconb. Select the bottom boundary of the joinc. Select the Joind. Set the Limit type to Lengthe. Set the Length to 20mmf. Set the Continuity parameter to Tangentg. Set the Extremities parameter to Tangenth. Click on the OK button8. Split the geometry by the symmetry planea. Double-click on the Split iconb. Select the top Cylinderc. Select the ZX planed. Click on the Other side button if necessarye. Click on the OK buttonf. Select the left handle surfaceg. Select the ZX planeh. Click on the Other side button if necessaryi. Click on the OK buttonj. Select the right handle surfacek. Select the ZX planel. Click on the Other side button if necessarym. Click on the OK buttonn. Select the top planar surfaceo. Select the ZX planep. Click on the Other side button if necessaryq. Click on the OK buttonr. Select the bottom planar surfaces. Select the ZX planet. Click on the Other side button if necessaryu. Click on the OK buttonv. Click on the Cancel button9. Trim all the elements to get the rough model:a. Double-click on the Trim iconb. Select the top cylinderc. Select the top planar surfaced. Click on the Other side… buttons if necessarye. Click on the OK buttonf. Select the previous Trimg. Select the extrapolated joined surfaceh. Click on the Other side… buttons if necessaryi. Click on the OK buttonj. Select the previous Trimk. Select the left handle surfacel. Click on the Other side… buttons if necessary m. Click on the OK buttonn. Select the previous Trimo. Select the right handle surfacep. Click on the Other side… buttons if necessary q. Click on the OK buttonr. Select the previous Trims. Select the bottom planar surfacet. Click on the Other side… buttons if necessary u. Click on the OK buttonv. Click on the Cancel buttonStep (5): Filleting the modelBefore starting filleting the model, create a new open body and name it filleted model. You can also load the file End_step4.CATPart from the indicated directory.1. Create two 2mm fillets at the top of the bottlea. Click on the Edge fillet iconb. Select the 2 top edges of the bottlec. Set the Radius value to 2mmd. Click on the OK button2. Create two 2mm fillets around the handlesa. Click on the Edge fillet iconb. Select the 2 edges around the handles of the bottlec. Set the Radius value to 2mmd. Set the Extremities parameter to Maximume. Click on the OK button3. Determine the value of the radius for the bottom filleta. Click on the Curvature analysis iconb. Select the tessellationc. Set the Type parameter to Radiusd. Set the Radius type parameter to Maximume. Move the cursor in the fillet area to find the radius valuef. Click on the Cancel button4. Create the bottom filleta. Click on the Edge fillet iconb. Select the bottle bottom edgec. Set the Radius value to 12mmd. Set the Extremities parameter to Maximume. Click on the OK button5. Hide the tessellation6. Create a symmetry of the last filleted surface around the XZ plane。

plasticbottlecatia的可乐瓶练习精修订

plasticbottlecatia的可乐瓶练习精修订

p l a s t i c b o t t l e c a t i a 的可乐瓶练习集团标准化工作小组 #Q8QGGQT-GX8G08Q8-GNQGJ8-MHHGN#Plastic Bottle ExerciseExercise Presentation : Plastic BottlePlastic Bottle (1) : Creating the Bottom of the bottlePlastic Bottle (2) : Creating the Body of the bottlePlastic Bottle (3) : Creating the bottleneckPlastic Bottle (4) : Assemble the three Geometric SetsPlastic Bottle (5) : Create the Bottleneck screwExerciseExercise Presentation: Plastic Bottle3 HoursIn this exercise you will see how to create a plastic bottleu sing the Generative Shape Design workbench f unctionalities :Creating wireframe elements (point, line, plane..)Creating surfaces (sweep,loft, extrude,revolve…)Manipulating surfaces (trim, symmetry, join…)Design Intent : Plastic BottleCreation of wireframe geometry : points, lines, planes, helix using the stacking commandscapabilities and working on supportCreation of surfaces using Sweep, Loft, Extrude and Revolve Operations on surfaces using Fillets, Trim, Join and healing Analysing the surfaces using the connect checker.Design Process : the Plastic Bottle1Create theBottom of thebottle4Assemble the threeGeometrical Set C reate theBottleneck3Create thebody of thebottle 25Create the bottleneck screw on the assembledpartPlastic BottleStep 1: Creating the bottom of the bottle.30 minComplete the existing wireframe geometry.Create the bottom’s bottle surfacesDo It Yourself (1/4)Part used:(2)(3)1- Insert a new Geometrical Set , rename it as Bottle_Bottom.2- Create an Intersection point between the axis and the green profile .3- Working on the ZX plane support, draw a circle by Center and point (creating the center point on the fly) with the following characteristics :C enter point on the pink axis and 5 mm below the Intersection point just createdas point and –90 and 90 degrees as Start and End angle.Do It Yourself (2/4)(6) (4)(7)(9)4- Create a point on plane (-15mm ; -20mm) with the as reference.5- Create a Symmetry of this point using the pink axis as reference.6- Using these two points, create two bi-tangent lines with the previous circle.7- Trim the two created lines with the circle.8- Exit the Work on support mode.9- Create two symmetric planes with an angle of 36 degrees with the YZ reference plane.Do It Yourself (3/4)(11) (10)(12)10- Create an Explicit sweep using the as profile and the green as Guide curve. 11- Create a 180 degrees revolved surface using the as profile and the as axis. 12- Trim the two created surfaces.Do It Yourself (4/4)(13)(14)(16)(15)13- Create a Variable edge fillet as shown.14- Split the created with the two 36 degrees planes created before. 15- Create 4 Rotate surfaces (72 degrees) to complete the bottom. 16- Join the created surfaces and rename the Join as Bottle_Bottom.Plastic BottleStep 2: Creating the body of the bottle.20 minComplete the existing wireframe geometry.Create the body’s bottle surfaces.Do It Yourself (1/3)Part used:(2)(4) (5)(3)1- Insert a new Geometrical Set, rename it as Bottle_Body.2- Create two parallel curves of the on the ZX plane at a distance of 3mm in both directions.3- Create a parallel curve of the on the at a distance of inward. 4- Create 2 Combined curves between the and the two curves and 5- Create a Combined curve between the and theDo It Yourself (2/3)(7)(6)6- Create an Implicit Circular Swept surface with three guides using the three created combined curves as guide curves.7- Create 3 instances of this Sweep using a Translate along the Z axis and the Repeat object after OK option. For the distance between the instances, create the formula :‘Starting_crv\\Plane \Offset’ /58- Join the created surfaces with the original sweep.Do It Yourself (3/3)(11) (9)(10)(12)9- Create a Revolved surface using the as profile and the the as Revolution axis.10- Trim the created revolved surface with the previous Join.11- Create a 2 mm edge fillet on the edges resulting of the previous Trim. 12- Rename the created fillet as Bottle_Body.Plastic BottleStep 3: Creating the bottleneck.60 minComplete the existing wireframe geometry.Create the bottleneck surfaces.Do It Yourself (1/8)Part used:(1)(2)(3)1- Insert a new Geometrical Set, rename it as Bottleneck.2- Create a Point between the and points with a ratio of3- Create a plane parallel to the through the createdDo It Yourself (2/8)4- Draw the following Sketch on the ZX plane.(5)5- Create two extrema ( Minimum and Maximum) on the sketch in the Z direction.Do It Yourself (3/8)(7)(6) (8) 6- Create a Revolved surface using the as profile and the as Revolution axis.7- Create a Boundary curve with the lower edge of the revolution surface.8- Create a point on the boundary using a ratio of curve length, and using the Point “”as reference point.Do It Yourself (4/8)(10)(9)9- Create a 12 mm Extruded surface with thein the Z axis direction upward.10- Create a Boundary curve with the upper edge ofthe extruded surface.11- Create a 35 mm radius circle on the withthe as center.(11)Do It Yourself (5/8)(12)(13)12- Create two projected points of on the and on the13- Create a Multisection Surface between the three sections : ; ;Use the boundaries surfaces as tangents and the and its projections as closing pointsDo It Yourself (6/8)(14)(15) 14- Create a Line on the Loft. Starting from the with an angle of 45 deg with the upperboundary and with a length of 500 mm.15- Create a second line on the Loft, starting of the with all the same characteristics than the previous line.Do It Yourself (7/8)(14)(16)(15)14- Create a new boundary curve on the revolution surface relimited by the two previous lines. 15- Create a second boundary on the Extruded surface relimited by the two previous lines. 16- Hide the Loft and create a Fill surface with four previous curves.Do It Yourself (8/8)(18) (17)17- Create 7 rotated instances of the fill surface around the axis (45 deg rotation).18- Join all these rotated surfaces with the fill surface, and with the extruded and the revolved surfaces.19- Rename the join as Body_style.Plastic BottleStep 4: Assemble the three Geometric Sets.20 minComplete the existing wireframe geometry.Assemble the previous bodies with trim operations and fillets.Do It Yourself (1/5)Part used:(1)(2)1- Insert a new Geometric Set, rename itBottle_Assembled.2- Create a 2mm upward offset plane from the .3- Create a 2mm downward offset plane from the.(3)Do It Yourself (2/5)(4)(6)(5)4- Create an Intersection between the and the Bottle_Body.5- Create an Intersection between the and the Bottle_Body.6- Create an Intersection element between the and the Bottle_Bottom.。

plastic bottle-catia 经典的可乐瓶练习

plastic bottle-catia 经典的可乐瓶练习

Plastic Bottle ExerciseExercise Presentation : Plastic BottlePlastic Bottle (1) : Creating the Bottom of the bottlePlastic Bottle (2) : Creating the Body of the bottlePlastic Bottle (3) : Creating the bottleneckPlastic Bottle (4) : Assemble the three Geometric Sets Plastic Bottle (5) : Create the Bottleneck screwExerciseExercise Presentation: Plastic Bottle3 HoursIn this exercise you will see how to create a plastic bottle u sing the Generative Shape Design workbenchf unctionalities :Creating wireframe elements (point, line, plane..)Creating surfaces (sweep,loft, extrude,revolve…)Manipulating surfaces (trim, symmetry, join…)Design Intent : Plastic BottleCreation of wireframe geometry : points, lines, planes, helix using the stacking commandscapabilities and working on supportCreation of surfaces using Sweep, Loft, Extrude and Revolve Operations on surfaces using Fillets, Trim, Join and healing Analysing the surfaces using the connect checker.Design Process : the Plastic Bottle1Create theBottom of thebottle4Assemble the threeGeometrical Set Create theBottleneck3Create thebody of thebottle 25Create thebottleneck screw on the assembledpartPlastic BottleStep 1: Creating the bottom of the bottle.30 minComplete the existing wireframe geometry.Create the bottom’s bottle surfacesPart used: start_bottle.CATPartIntersect.1Intersect.4(2)Sketch.2(3)1- Insert a new Geometrical Set , rename it as Bottle_Bottom.2- Create an Intersection point between the Intersect.1 axis and the green profile Sketch.2.3- Working on the ZX plane support, draw a circle by Center and point (creating the center point on the fly) with the following characteristics :•Center point on the pink axis and 5 mm below the Intersection point just created (Intersect.4) •Intersect.4 as point and –90 and 90 degrees as Start and End angle.(6) (4)(7)(9)4- Create a point on plane (-15mm ; -20mm) with the Intersect.4 as reference.5- Create a Symmetry of this point using the pink axis (Intersect.1) as reference.6- Using these two points, create two bi-tangent lines with the previous circle.7- Trim the two created lines with the circle.8- Exit the Work on support mode.9- Create two symmetric planes with an angle of 36 degrees with the YZ reference plane.Do It Yourself (3/4)(11)(10)(12)10- Create an Explicit sweep using the Trim.2 as profile and the green Sketch.2 as Guide curve.11- Create a 180 degrees revolved surface using the Sketch.1 as profile and the Intersect.1 as axis.12- Trim the two created surfaces.Do It Yourself (4/4)(13)(14)(16)(15)13- Create a Variable edge fillet as shown.14- Split the created EdgeFillet.1 with the two 36 degrees planes created before. 15- Create 4 Rotate surfaces (72 degrees) to complete the bottom.16- Join the created surfaces and rename the Join as Bottle_Bottom.Plastic BottleStep 2: Creating the body of the bottle.20 minComplete the existing wireframe geometry.Create the body’s bottle surfaces.Part used: bottle_step2begin.CATPartCircle.1Parallel.3(2)Sketch.4Parallel.1 Parallel.2Sketch.4 Plane.2Circle.1(4) (5)(3)1- Insert a new Geometrical Set, rename it as Bottle_Body.2- Create two parallel curves of the Sketch.4 on the ZX plane at a distance of 3mm in both directions. 3- Create a parallel curve of the Circle.1 on the Plane.2 at a distance of 1.6mm inward.4- Create 2 Combined curves between the Circle.1 and the two curves Parallel.1 and Parallel.25- Create a Combined curve between the Sketch.4 and the Parallel.3(7)(6)6- Create an Implicit Circular Swept surface with three guides using the three created combinedcurves as guide curves.7- Create 3 instances of this Sweep using a Translate along the Z axis and the Repeat object after OK option. For the distance between the instances, create the formula :‘Starting_crv\Plane.2\Plane offset.1\Offset’ /58- Join the created surfaces with the original sweep.Sketch.3(11)(9)(10)(12)9- Create a Revolved surface using the Sketch.3 as profile and the the Intersect.1 as Revolution axis.10- Trim the created revolved surface with the previous Join.11- Create a 2 mm edge fillet on the edges resulting of the previous Trim.12- Rename the created fillet as Bottle_Body.Plastic BottleStep 3: Creating the bottleneck.60 minComplete the existing wireframe geometry.Create the bottleneck surfaces.Do It Yourself (1/8)Part used: bottle_step3begin.CATPartIntersect.3Point.3Plane.2Intersect.2(1)(2)(3)1- Insert a new Geometrical Set, rename it as Bottleneck.2- Create a Point between the Intersect.2 and Intersect.3 points with a ratio of 0.6 3- Create a plane parallel to the Plane.2 through the created Point.34- Draw the following Sketch on the ZX plane.Plane.3(5)Intersect.35- Create two extrema ( Minimum and Maximum) on the sketch in the Z direction.(7)(6) (8)6- Create a Revolved surface using the Sketch.3 as profile and the Intersect.1 as Revolution axis.7- Create a Boundary curve with the lower edge of the revolution surface.8- Create a point on the boundary using a 0.125 ratio of curve length, and using the Point “Extremum.2”as reference point.(10)(9)9- Create a 12 mm Extruded surface with the Circle.1 in the Z axis direction upward.10- Create a Boundary curve with the upper edge of the extruded surface.11- Create a 35 mm radius circle on the Plane.5 with the Point.3 as center.(11)(12)(13)12- Create two projected points of Extremum.2 on the Circle.3 and on the Boundary.213- Create a Multisection Surface between the three sections : Boundary.1 ; Circle.3 ; Boundary.2 Use the boundaries surfaces as tangents and the Extremum.2 and its projections as closing points(14)(15)14- Create a Line on the Loft. Starting from the extremum.2 with an angle of 45 deg with the upperboundary and with a length of 500 mm.15- Create a second line on the Loft, starting of the Point.4 with all the same characteristics than the previous line.(14)(16)(15)14- Create a new boundary curve on the revolution surface relimited by the two previous lines.15- Create a second boundary on the Extruded surface relimited by the two previous lines. 16- Hide the Loft and create a Fill surface with four previous curves.Do It Yourself (8/8)(18)(17)17- Create 7 rotated instances of the fill surface around the intersect.1 axis (45 deg rotation).18- Join all these rotated surfaces with the fill surface, and with the extruded and the revolved surfaces. 19- Rename the join as Body_style.Plastic BottleStep 4: Assemble the three Geometric Sets.20 minComplete the existing wireframe geometry.Assemble the previous bodies with trim operations and fillets.Do It Yourself (1/5)Part used: Bottle_Step4Begin.CATPart(1)(2)1- Insert a new Geometric Set, rename itBottle_Assembled.2- Create a 2mm upward offset plane from the Plane.1.3- Create a 2mm downward offset plane from thePlane.2.(3)(4)(6)(5)4- Create an Intersection between the Plane.7 and the Bottle_Body.5- Create an Intersection between the Plane.6 and the Bottle_Body.6- Create an Intersection element between the Plane.1 and the Bottle_Bottom.(7) (8)7- Create an Implicit linear swept surface with two guide curves : Intersect.6 and Intersect.7 8- Create an Implicit linear swept surface with two guide curves : Intersect.5 and Circle.1(9)(11) (10)(12)9- Trim the upper swept surface with the Bottle_Body. 10- Trim the previous Trim with the Body_Style surface. 11- Trim the lower swept surface with the Bottle_Bottom. 12- Trim the two last trims.Do It Yourself (5/5)(13)(14) 13- Create a 6mm EdgeFillet on the two sharp edges.14- Rename the fillet as Bottle_Assembled.Plastic BottleStep 5: Creating the bottleneck screw.20 minComplete the existing wireframe geometry.Create the screw surfaces.Part used: Bottle_Step5Begin.CATPart1- Insert a new Geometrical Set, rename it as Bottleneck_Screw.2- Create on the fly a point and a plane with the characteristics shown below.(2)(3)(4)3- Create a Helix starting from the last created Point.5 with Intersect.1 as axis and with the followingparameters : Pitch = 3 mm / Height = 7mm / Orientation = Counterclockwise4- Create a line normal to the helix on the last Plane.8 starting at 1.6mm from the Point.5 with a Length of 20mm(5)(6) 5- Create a point on the helix at a distance of 0.8mm from the starting Point.56- Create a Connect Curve to link the Helix with the Line.5Do It Yourself (4/4)(7)(8)7- Create an Implicit circular profile swept surface. Choose Center and radius as subtype, Connect.1 as Center curve and a radius of 0.8mm.8- Trim the created sweep with the assembled bottle.。

catia 练习题

catia 练习题

catia 练习题CATIA 练习题近年来,计算机辅助设计软件(Computer-Aided Design,简称CAD)在工程设计领域得到了广泛应用。

其中,CATIA是一款功能强大的CAD软件,被广泛用于航空、汽车、机械等行业。

为了提高对CATIA软件的熟练程度,下面将给出一些CATIA练习题,供大家练习和思考。

1. 绘制一个简单的零件在CATIA中,我们可以通过绘制零件来熟悉软件的基本操作。

选择一个简单的零件,比如一个螺栓或者一个齿轮,尝试使用CATIA的绘图工具和建模功能绘制出该零件的三维模型。

可以尝试使用不同的绘图方法和参数,以及添加一些细节来提升模型的真实感。

2. 进行装配设计在实际工程设计中,往往需要将多个零件进行装配,以形成一个完整的产品。

在CATIA中,我们可以通过装配设计功能来模拟这个过程。

选择几个零件,比如一个螺栓、一个螺母和一个垫圈,尝试使用CATIA的装配设计功能将它们组装在一起。

可以调整零件的位置和方向,以及添加约束条件,使得它们能够正确地相互连接。

3. 进行运动仿真在一些特定的工程设计中,我们需要对零件或者装配体进行运动仿真,以验证其设计的合理性。

在CATIA中,我们可以通过运动仿真功能来实现这个目标。

选择一个具有运动部件的零件或者装配体,尝试使用CATIA的运动仿真功能对其进行仿真。

可以设置零件的运动方式和参数,观察其在不同条件下的运动情况,并分析其对其他部件的影响。

4. 进行结构分析在一些工程设计中,我们需要对零件或者装配体进行结构分析,以评估其在工作条件下的强度和稳定性。

在CATIA中,我们可以通过结构分析功能来实现这个目标。

选择一个具有一定复杂性的零件或者装配体,尝试使用CATIA的结构分析功能对其进行分析。

可以设置材料的物性参数和加载条件,观察其在不同条件下的应力和变形情况,并评估其是否满足设计要求。

通过以上练习题,我们可以更好地熟悉和掌握CATIA软件的使用。

CATIA造型设计_可乐瓶实例练习(图文教程)

CATIA造型设计_可乐瓶实例练习(图文教程)

Detailed Steps
39. 在邊線上建立點 � � � 使用 建點 指令 點的形式:曲線上 曲線:邊界.1 比例:0.125 參考點 :端點.2
選擇曲線長度比例

確認完成
40. 建立拉伸曲面 � � 使用拉伸指令 斷面:圓.1 方向:12mm
極限 1:12mm
極限 2 :0mm
COPYRIGHT DASSAULT SYSTEMES 2002
H:-15MM,
V:-20MM

使用 對稱
指令

元素:點.2 參考:相交.1
確認完成兩點。
5.
使用畫線指令 . � 線形式:與曲線相切 � 曲線:圓.2 元素 2:點.2 依附:ZX 平面 形式:BiTangent
� �
確認
完成第一條直線。
以相同方式作第二條線。
6.
修剪直線與圓弧 � 選擇修剪指令
步驟 2: 建立 Bottle Body 曲面
18. 插入一個新的為封閉主體 Open Body.
19. 並將其特徵名稱改為 Bottle_Body.
COPYRIGHT DASSAULT SYSTEMES 2002
16
Generative Shape Design
Detailed Steps
20.雙擊 平行曲線 指令
32. 將其特徵名稱更改為 Bottleneck.
COPYRIGHT DASSAULT SYSTEMES 2002
28
Generative Shape Design
Detailed Steps
33. 在兩平行平面間建立一點
� � �
點選建點指令 點的形式:之間 確認 完成

CATIA实操瓶子的设计方法

CATIA实操瓶子的设计方法

CATIA实操瓶子的设计方法在工业设计领域,CATIA 是一款功能强大的软件,被广泛应用于各种产品的设计与开发。

瓶子作为我们日常生活中常见的物品,其设计过程也可以通过 CATIA 来实现。

接下来,我将为您详细介绍 CATIA实操瓶子的设计方法。

首先,在开始设计之前,我们需要对瓶子的功能、用途和外观有一个清晰的概念。

比如,是要设计一个饮料瓶、化妆品瓶还是香水瓶?不同的用途会对瓶子的形状、尺寸和材质有不同的要求。

确定好设计目标后,打开 CATIA 软件。

在 CATIA 的操作界面中,我们可以选择“零件设计”模块来开始创建瓶子的基本形状。

第一步,绘制瓶子的轮廓草图。

选择一个合适的平面,比如 XY 平面,然后使用“草图绘制”工具,绘制出瓶子大致的轮廓。

可以先从简单的几何形状入手,比如圆形、矩形等,再通过线条的调整和修剪,逐渐形成瓶子的初步形状。

在绘制草图时,要注意尺寸的准确性和线条的流畅性。

可以根据预先设定的瓶子尺寸,在草图中添加尺寸约束,以确保绘制的图形符合设计要求。

第二步,对草图进行拉伸操作。

完成草图绘制后,使用“拉伸”工具,将草图沿着 Z 轴方向拉伸一定的高度,从而形成瓶子的立体形状。

拉伸的高度要根据瓶子的实际高度进行设定。

第三步,对瓶子进行细节设计。

这包括瓶口的螺纹、瓶身的纹理、标签的位置等。

对于瓶口螺纹,可以通过“螺旋线”和“扫描”等工具来创建。

瓶身的纹理可以使用“雕刻”或者“投影”等功能来实现。

标签的位置则可以通过在瓶身上绘制一个平面,然后在该平面上添加标签的图案来模拟。

第四步,进行瓶子的倒圆角和倒角操作。

为了使瓶子的外观更加美观和舒适,通常需要对瓶子的边缘进行倒圆角和倒角处理。

可以选择需要倒圆角或倒角的边缘,然后设置相应的半径或角度值。

第五步,对瓶子进行材质和颜色的设置。

在 CATIA 中,可以从材质库中选择合适的材质,如玻璃、塑料、金属等,并为瓶子赋予相应的颜色。

这样可以更直观地看到瓶子的最终效果。

CATIA实操瓶子的设计方法

CATIA实操瓶子的设计方法

CATIA实操瓶子的设计方法在产品设计领域,CATIA 是一款功能强大且广泛应用的软件。

瓶子作为常见的生活用品,其设计过程涵盖了多个环节和技术要点。

下面将详细介绍使用 CATIA 进行瓶子设计的实操方法。

首先,打开 CATIA 软件后,我们需要明确瓶子的设计要求。

这包括瓶子的用途(例如盛装液体、固体等)、容量大小、外观风格(简约、时尚、复古等)、材质选择(塑料、玻璃、金属等)以及相关的尺寸限制等。

有了清晰的设计要求,才能为后续的设计工作提供明确的方向。

接下来进入草图绘制阶段。

在 CATIA 的“草图编辑器”中,选择一个合适的平面作为基准面。

比如,如果要设计一个圆柱形的瓶子,我们可以选择 XY 平面。

然后,使用各种绘图工具,如直线、圆弧、圆等,勾勒出瓶子的大致轮廓。

在绘制草图时,要注意线条的准确性和连贯性,同时合理运用几何约束和尺寸约束,确保草图的尺寸和形状符合设计要求。

完成草图绘制后,通过拉伸、旋转、扫掠等特征操作,将二维的草图转化为三维的实体模型。

以圆柱形瓶子为例,我们可以对绘制好的圆形草图进行拉伸操作,给定拉伸的高度,从而得到瓶子的主体部分。

在瓶子的细节设计方面,比如瓶口的螺纹、瓶身的纹理、标签位置等,需要使用 CATIA 的高级特征功能。

对于瓶口螺纹,可以通过“螺旋线”和“扫掠”命令来创建;瓶身的纹理可以通过“雕刻”或“投影”等工具实现;而标签位置则可以通过在瓶身上创建平面,并在平面上绘制标签的轮廓来确定。

设计过程中,还需要考虑瓶子的壁厚。

壁厚的设置既要保证瓶子的强度和稳定性,又要尽量节省材料。

可以通过“偏移”命令来为瓶子的实体模型添加壁厚。

另外,瓶子的底部设计也不容忽视。

常见的瓶底有平底、圆底、凹底等。

对于平底,直接在瓶子底部创建一个平面即可;圆底可以通过旋转或者倒圆角的方式实现;凹底则需要更加复杂的建模操作,可能涉及到曲面的构建和修剪。

在完成初步的模型设计后,进行模型的检查和优化是必不可少的步骤。

CATIA实操瓶子的设计方法

CATIA实操瓶子的设计方法

CATIA实操瓶子的设计方法在工业设计领域中,CATIA(Computer-Aided Three-Dimensional Interactive Application)是一款领先的三维设计软件,被广泛应用于汽车、航空航天、工业制造等领域。

本文将介绍CATIA实操瓶子的设计方法,帮助读者更好地理解和掌握CATIA软件的应用。

一、CATIA软件简介CATIA是法国达索公司(Dassault Systèmes)开发的一款集成化软件,具有强大的三维建模和分析功能。

它能够帮助设计师进行产品的虚拟设计、仿真和优化,从而提高设计效率、降低成本,并确保产品的质量和可靠性。

二、瓶子的设计流程瓶子作为常见的包装容器,其设计过程可以分为概念设计、草图设计、模型构建和后期修饰等环节。

下面将详细介绍CATIA软件在瓶子设计中的应用方法。

1. 概念设计在CATIA软件中,我们可以使用Sketcher工作台或Shape工作台进行瓶子的概念设计。

首先,通过手绘或草图提炼出瓶子的形状和比例,并将其转化为2D几何图形。

然后,利用Sketcher工作台中的线条、圆弧、曲线等功能绘制出瓶子的具体形状。

2. 草图设计在概念设计的基础上,我们可以使用Assembly Design工作台或Part Design工作台进行瓶子的草图设计。

通过将概念设计中的几何图形导入到CATIA软件中,然后应用各种工具进行几何修正、对称绘制、图形扫描等操作,得到更加精确的瓶子形状。

3. 模型构建在草图设计完成后,我们可以使用Part Design工作台将瓶子的草图模型转化为三维实体模型。

通过选择适当的构建方法,如拉伸、旋转、倒角等,将2D草图转化为3D实体,得到瓶子的基本形态。

4. 后期修饰在模型构建完成后,我们可以使用Generative Shape Design工作台对瓶子进行进一步的修饰。

通过应用曲面生成、修剪、偏移等功能,对瓶子的表面进行细节调整和美化,使其更加符合设计要求。

CATIA实操瓶子的设计方法

CATIA实操瓶子的设计方法

CATIA实操瓶子的设计方法在工程设计领域中,CATIA(Computer Aided Three-dimensional Interactive Application)是一款功能强大的三维模型设计软件。

有着广泛的应用范围,包括瓶子的设计。

本文将介绍CATIA实操中瓶子的设计方法。

首先,在开始进行瓶子的设计之前,我们需要明确瓶子的形状、尺寸和功能要求。

以此为基础,可以确定设计的目标和约束条件,进而有针对性地运用CATIA进行瓶子的设计。

CATIA提供了多种建模方式,包括参数化建模和曲面建模。

对于瓶子的设计,可以选择使用曲面建模功能,以获得更加自由的形状控制。

1. 导入基准几何体:在开始设计之前,我们需要导入瓶子的基准几何体,例如圆柱体或立方体作为底座。

通过CATIA的操作工具和命令,可以将其导入到软件中,并确定其位置和尺寸。

2. 转换基准几何体:在获得基准几何体之后,我们可以使用CATIA提供的转换工具对其进行编辑和变形。

通过旋转、放大、缩小等操作,可以将基准几何体转换为瓶子的初步形状。

3. 创造瓶口:瓶口是瓶子的一个重要组成部分,通过在基准几何体上添加曲面或其他几何体,可以创造出瓶子的瓶口。

CATIA提供了多种曲面创建和编辑工具,可以根据需求进行相应的操作。

4. 设计瓶身:通过调整和编辑基准几何体和曲面,我们可以逐渐形成瓶子的瓶身。

可以通过添加曲线、调整曲面形状等方式,对瓶子的外形进行精细调整。

在这一过程中,可以使用CATIA的参数化功能,以便于后期的修改和调整。

5. 添加细节:为了使瓶子的设计更加完善和真实,可以通过添加细节来增加瓶子的质感和美观度。

比如,可以在瓶身上添加花纹、纹理等细节,以及进行涂装和渲染。

6. 分析和验证:设计完成后,我们可以使用CATIA提供的分析工具对瓶子进行性能和强度分析。

通过这些分析结果,可以对设计进行优化和改进,确保瓶子的功能和可靠性。

总结起来,CATIA提供了丰富的工具和功能,能够满足瓶子设计的需求。

CATIA实操瓶子的设计方法

CATIA实操瓶子的设计方法

CATIA实操瓶子的设计方法在产品设计领域,CATIA 是一款功能强大的软件,被广泛应用于各种工业设计项目中。

瓶子作为日常生活中常见的物品,其设计过程在CATIA 中也有着独特的方法和技巧。

接下来,我将为您详细介绍如何使用 CATIA 来设计瓶子。

首先,在开始设计之前,我们需要明确瓶子的设计要求。

这包括瓶子的用途(例如是用于盛装液体还是固体)、容量大小、外观风格(是简约现代还是复古华丽)、材料选择(玻璃、塑料、金属等)以及制造工艺(吹塑、注塑、压铸等)等方面的考虑。

这些因素将直接影响到瓶子的形状、结构和尺寸。

然后,打开 CATIA 软件,进入到零件设计模块。

我们可以从绘制瓶子的大致轮廓开始。

选择“草图”工具,在基准平面上绘制一个瓶子的侧视图轮廓。

这个轮廓可以是一个简单的曲线形状,大致勾勒出瓶子的主体部分。

接下来,使用“旋转”命令,将草图绕着中心线旋转 360 度,形成瓶子的初步立体形状。

在这一步,我们可以根据需要调整旋转的角度,以得到不同形状的瓶子。

此时得到的瓶子可能还比较粗糙,需要进一步的细节处理。

我们可以使用“凸台”、“凹槽”等工具来添加瓶口、瓶底和瓶身的一些特征。

比如,在瓶口处创建一个凸台,用于安装瓶盖;在瓶底创建一个凹槽,增加瓶子的稳定性。

对于瓶子的表面,我们可以通过“曲面”工具来进行修饰,使其更加光滑和自然。

比如,使用“填充曲面”来填补瓶子表面的不平整部分,或者使用“扫掠曲面”来创建一些特殊的纹理和装饰。

在设计瓶子的过程中,尺寸的控制非常重要。

CATIA 提供了精确的尺寸标注和约束功能,我们可以通过选择线条和点,然后输入具体的数值来确定瓶子各个部分的尺寸。

同时,还可以设置尺寸之间的关系,如相等、平行、垂直等,以保证设计的准确性和一致性。

另外,为了更好地观察和评估设计效果,我们可以使用 CATIA 的渲染功能。

给瓶子赋予材质和颜色,调整光照效果,使其在虚拟环境中呈现出更加真实的外观。

这样可以帮助我们及时发现设计中存在的问题,并进行相应的修改。

CATIA实操瓶子的设计方法

CATIA实操瓶子的设计方法

CATIA实操瓶子的设计方法在工业设计领域,CATIA 是一款功能强大的软件,被广泛应用于产品的设计与开发。

瓶子作为日常生活中常见的物品,其设计过程需要综合考虑多个因素,如外观、功能、材料等。

接下来,我将为大家详细介绍使用 CATIA 进行瓶子设计的具体方法。

首先,在开始设计之前,我们需要明确瓶子的设计需求。

这包括瓶子的用途(是用于盛装液体、固体还是气体)、容量大小、形状偏好(是圆柱形、方形还是其他独特形状)、材质选择(玻璃、塑料、金属等)以及是否有特殊的功能要求(如防漏、易于握持等)。

有了明确的设计需求,我们就可以打开 CATIA 软件,开始创建新的零件文件。

进入工作界面后,我们首先要确定瓶子的基本形状。

如果是圆柱形瓶子,我们可以通过绘制一个圆形草图,然后使用拉伸命令将其拉伸成一个圆柱体。

在绘制草图时,要注意尺寸的准确性,可以根据预先设定的容量和尺寸要求进行绘制。

对于瓶子的瓶口部分,通常需要单独设计。

我们可以在圆柱体的顶部绘制一个新的草图,用来确定瓶口的形状和尺寸。

瓶口的设计要考虑到与之配套的盖子或封口的形式,以确保密封性能良好。

接下来是瓶子的瓶身细节设计。

这可能包括纹理、凹槽、凸纹等。

比如,如果想要在瓶身上添加一些防滑的纹理,可以通过绘制相应的草图,并使用凸台或凹槽命令来实现。

如果希望瓶子具有独特的外观,可以在瓶身上设计一些曲线或折线,以增加视觉效果。

在设计瓶子的底部时,需要考虑稳定性。

一般来说,平底的瓶子更加稳定,但也可以根据设计需求设计成弧形或其他形状。

同样,通过绘制草图和使用相应的特征命令来完成底部的设计。

当瓶子的主体形状设计完成后,我们还需要对其进行倒角和圆角处理。

这不仅可以使瓶子看起来更加美观,还能减少在使用过程中可能造成的伤害。

倒角和圆角的大小和位置可以根据实际情况进行调整。

在 CATIA 中,我们还可以对瓶子进行渲染,以更直观地查看设计效果。

通过选择合适的材质和光照效果,可以让瓶子看起来更加逼真。

用日常生活中装饮料的塑料空瓶请你设计做演示液体

用日常生活中装饮料的塑料空瓶请你设计做演示液体

1、用日常生活中装饮料的塑料空瓶,请你设计:做演示液体压强和大气压强存在及其性质的物理实验各一个.要求制作方法简便,并只加少量其他辅助器材.画图并写明制作方法、实验步骤.2、我们生活的空间存在着大气压,只是我们平时没有在意它的存在.现提供下列器材:A.塑料吸盘两个B.玻璃片一块C.玻璃杯一个D.带吸管的纸盒饮料一盒E.水.请你选择所需器材,设计一个小实验来证明大气压的存在。

(1)写出你所选用的器材,并简述你的实验方法及观察到的现象。

(2)请举出一个在生活中应用大气压的例子:3、将试管口朝下放,在酒精灯火焰上方加热3~5s,然后立刻将试管口竖直插入盛水的容器中某处不动。

(1)你猜想可能产生的现象是(2)你猜想的依据是。

4、给你一个矿泉水瓶子,请你设计一个小实验来验证当气体的体积不变时,如果温度降低气压就会减小:(1)做法____;(2)现象_____;(3)推理_____。

5、用密闭性较好的茶杯装大半杯热水,拧紧杯盖,过较长一段时间后,杯盖会很难拧下来.(1)简要回答产生这一现象的原因.(2)请设计两种打开杯盖的方法,并说出每方法用到的物理原理.(不能损坏杯子)(3)根据这个现象,请你提出两个问题:问题一:?问题二:?6、大气压随高度的升高而降低,一只登山队测出了几个高度的大气压,如下表所示。

(1)请你根据表中的数据,在图所示的坐标中作出大气压随高度变化的图像。

(2)根据图像,可以看出大气压随高度变化的数量关系大致为:。

(3)当高度为1km时,大气压约为Pa。

当高度为3000km时,已到了大气层的边缘,此处的大气压约为Pa。

(4)除了高度,大气压还与什么因素有关?请提出你的一个猜想:。

7、两只杯子,分别盛有清水和盐水,但没有标签,你能否用压强计将它们区别开?(1)当压强计的金属盒在空气中时,U形管两边的液面应当相平,而小明同学却观察到如(a)所示的情景. 出现这种情况的原因是:U形管左支管液面上方的气压______大气压(填“大于”、“小于”或“等于”);调节的方法是:A.将此时右边支管中高出的液体倒出 B.取下软管重新安装(2)小明再作图(b)所示的检查. 当用手指按压(不论轻压还是重压)橡皮膜时,发现U形管两边液柱的高度几乎不变化.出现这种情况的原因是:_____.(3)压强计调节正常后,小明将金属盒先后浸入到两杯液体中,如图(c)和(d)所示. 他发现图(d)中U形管两边的液柱高度差较大,于是认为图(d)杯子中盛的是盐水. ①你认为,小明的结论是(填“可靠的”或“不可靠的”);②简要说明理由:.8、利用日常生活中装饮料的塑料空瓶可以做演示液体压强或大气压强存在和性质的物理实验。

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(4)
(5)
(3)
1- Insert a new Geometrical Set, rename it as Bottle_Body. 2- Create two parallel curves of the Sketch.4 on the ZX plane at a distance of 3mm in both directions.
Copyright DASSAULT SYSTEMES
Plastic Bottle
Step 3: Creating the bottleneck.
60 min
Complete the existing wireframe geometry. Create the bottleneck surfaces.
Copyright DASSAULT SYSTEMES
Do It Yourself (2/3)
(7)
(6)
6- Create an Implicit Circular Swept surface with three guides using the three created combined curves as guide curves.
30 min
Complete the existing wireframe geometry. Create the bottom’s bottle surfaces
Copyright DASSAULT SYSTEMES
Do It Yourself (1/4)
Intersect.1
Intersect.4
Creating wireframe elements (point, line, plane..) Creating surfaces (sweep,loft, extrude,revolve…) Manipulating surfaces (trim, symmetry, join…)
Copyright DASSAULT SYSTEMES
Copyright DASSAULT SYSTEMES
Do It Yourself (1/8)
Part used: bottle_step3begin.CATPart
Intersect.3
Point.3 Plane.2 Intersect.2
(1)
(2)
(3)
1- Insert a new Geometrical Set, rename it as Bottleneck. 2- Create a Point between the Intersect.2 and Intersect.3 points with a ratio of 0.6 3- Create a plane parallel to the Plane.2 through the created Point.3
Part used: start_bottle.CATPart
Sketch.2
(2)
(3)
Copyright DASSAULT SYSTEMES
1- Insert a new Geometrical Set , rename it as Bottle_Bottom.
2- Create an Intersection point between the Intersect.1 axis and the green profile Sketch.2.
Copyright DASSAULT SYSTEMES
Do It Yourself (4/4)
(13)
(14)
(16) (15)
13- Create a Variable edge fillet as shown. 14- Split the created EdgeFillet.1 with the two 36 degrees planes created before. 15- Create 4 Rotate surfaces (72 degrees) to complete the bottom. 16- Join the created surfaces and rename the Join as Bottle_Bottom.
Copyright DASSAULT SYSTEMES
Do It Yourself (1/3)
Part used: bottle_step2begin.CATPart
(2)
Sketch.4
Plane.2
Circle.1
Parallel.1
Parallel.2
Parallel.3 Sketch.4
Circle.1
3- Create a parallel curve of the Circle.1 on the Plane.2 at a distance of 1.6mm inward. 4- Create 2 Combined curves between the Circle.1 and the two curves Parallel.1 and Parallel.2 5- Create a Combined curve between the Sketch.4 and the Parallel.3
8- Join the created surfaces with the original sweep.
Copyright DASSAULT SYSTEMES
Do It Yourself (3/3)
Sketch.3
(11) (9)
(10)
(12)
9 - Create a Revolved surface using the Sketch.3 as profile and the the Intersect.1 as Revolution axis. 10- Trim the created revolved surface with the previous Join. 11- Create a 2 mm edge fillet on the edges resulting of the previous Trim. 12- Rename the created fillet as Bottle_Body.
Create the body of the
bottle 2
Copyright DASSAULT SYSTEMES
5
Create the bottleneck screw on the assembled
part
Plastic Bottle
Step 1: Creating the bottom of the bottle.
Design Intent : Plastic Bottle
Creation of wireframe geometry : points, lines, planes, helix using the stacking commands capabilities and working on support Creation of surfaces using Sweep, Loft, Extrude and Revolve Operations on surfaces using Fillets, Trim, Join and healing Analysing the surfaces using the connect checker.
Copyright DASSAULT SYSTEMES
Exercise
Exercise Presentation: Plastic Bottle
3 Hours
In this exercise you will see how to create a plastic bottle using the Generative Shape Design workbench functionalities :
Copyright DASSAULT SYSTEMES
Plastic Bottle
Step 2: Creating the body of the
20 min
Complete the existing wireframe geometry. Create the body’s bottle surfaces.
7- Create 3 instances of this Sweep using a Translate along the Z axis and the Repeat object after OK option. For the distance between the instances, create the formula : ‘Starting_crv\Plane.2\Plane offset.1\Offset’ /5
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Design Process : the Plastic Bottle
1
Create the Bottom of the
bottle
4
Assemble the three Geometrical Set
3
Create the Bottleneck
Copyright DASSAULT SYSTEMES
Do It Yourself (3/4)
(11) (10)
(12)
10- Create an Explicit sweep using the Trim.2 as profile and the green Sketch.2 as Guide curve. 11- Create a 180 degrees revolved surface using the Sketch.1 as profile and the Intersect.1 as axis. 12- Trim the two created surfaces.
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