用CATIA软件画汽车线束3D教学

1、Copyright DASSAULT SYSTEMES 20021Electrical Harness Installation电气安装电气安装Electrical HarnessAssembly电气装配电气装配Getting Started Samples简例简例Copyright DASSAULT SYSTEMES 20022Electrical Harness Installation电气安装电气安装Electrical HarnessAssembly电气装配电气装配CATIA Training FoilsVersion 5 Release 13 2004Copyright DASSAU

2、LT SYSTEMES 20023Course PresentationObjectives of the courseIn this course you will learn how to build a harness integrated within the DMU and how to connect the bundle segments to your electrical components.下面的讲义介绍如何在电子装配中建立电气用具和如何使用线束连接它们下面的讲义介绍如何在电子装配中建立电气用具和如何使用线束连接它们Targeted audienceNew Electri

3、cal V5 users适用对象是适用对象是CATIA V5初级学者初级学者Prerequisites Catalog Editor, CATIA V5 basics0.5 dayCopyright DASSAULT SYSTEMES 20024Table of Contents内容提要内容提要1. Introduction to Electrical Harness Installation介绍介绍Electrical Harness Installation workbench presentation电气安装模块菜单位置电气安装模块菜单位置2. Bundle Segment (BNS)

4、definition线束定义线束定义Geometric Bundle几何定义几何定义Bundle Segments线束定义线束定义Split a Bundle Segment线束分段线束分段3. Links Management线束联结线束联结Link the electrical objects与电器器件的联结与电器器件的联结Links Management联结修改联结修改4. Local Slack Management线束局部松弛度的修改线束局部松弛度的修改Adding Local Slack增加增加Removing Local Slack取消取消5. Support Managemen

5、t线束支撑线束支撑Routing of BNS through Supports增加增加Removal of Support from Bundle Segment取消取消6. Rectangular Sections矩形截面矩形截面Change bundle segment section改变线束截面改变线束截面7. Floating Junction线束连接点线束连接点Define the constraints of the floating junction定义连接点定义连接点Copyright DASSAULT SYSTEMES 20025Accessing the workbenc

6、hes进入电气安装界面进入电气安装界面Allows the geometrical harnesses creation. It links bundle segments together to create this harness.产生线束定义，线束连接产生线束定义，线束连接Allows the bundle segments creation within a geometrical bundle线束的线束的几何定义几何定义Copyright DASSAULT SYSTEMES 20026User Interface用户界面用户界面Electrical Harness Assembly

7、电气装配电气装配Electrical Harness Installation电气安装电气安装线束几何定义Copyright DASSAULT SYSTEMES 20027Terminology术语术语Geometric Bundle线束组线束组Bundle Segment线束线束Also called segment, a geometrical subdivision of a geometrical bundle.It is the branch of harness graphical representation in the digital mock-up. Electrical

8、object federating a bundle segments group.A geometrical bundle is mandatory in order to create a bundle segment.Support电器库元件支承件电器库元件支承件An Electrical catalog item that is utilized when routing geometrical bundles.It controls the entry and exit of the bundle segment as it is routed through the DMU. Fl

9、oating Junction线束连接点线束连接点A junction that automatically finds a natural position. Alternative Bundle Segment Section线束截面线束截面The sections of a bundle segment need not be circular, they can follow the profile of another sketch.Copyright DASSAULT SYSTEMES 20028Define a geometric bundle定义线束组定义线束组Copyrigh

10、t DASSAULT SYSTEMES 20029Define a point生成点生成点Select the “Bundle Segment” function1The new point is added to the BNSSelect the point function and give the coordinates2选择图标生成点的图标Copyright DASSAULT SYSTEMES 200210Define a Line生成线生成线Select the “Bundle Segment” function1The new line is added to the BNSSe

11、lect the line function give it the coordinates2选择图标生成线的图标Copyright DASSAULT SYSTEMES 200211Define a plane生成平面生成平面Select the “Bundle Segment” function1The plane is added to the bundle segmentSelect the “Plane” function and define its coordinates2选择图标生成平面的图标Copyright DASSAULT SYSTEMES 200212Define a b

12、undle segment定义单个线束定义单个线束The BNS is updatedSelect the “Bundle Segment Definition” function and define it2Select the “Bundle Segment” function1选择图标生成线束的图标Copyright DASSAULT SYSTEMES 200213Define a bundle segment定义线束段定义线束段123截面和松弛度设置线束控制点生成样条线Copyright DASSAULT SYSTEMES 200214Define a bundle segment :

13、 following a surface (1/2)线束附着面线束附着面123Select the points the BNS has to go through and the surface.You may have to invert the BNS orientation in case the surface orientation is not correspondingIf two BNS are on two distinct surfaces, you have to connect them with a third BNS not lying on any surfac

14、e or create a join.选曲面线束两端点在此曲面上改方向连接两个不同面上的线束Copyright DASSAULT SYSTEMES 200215Define a bundle segment : following a surface (2/2)线束附着面线束附着面The external references to the points the BNS is using are created automatically.The surface the BNS is lying on is represented by an external reference as wel

15、l.Tools / Options / Mechanical Design / Part Design / General / External References : Keep Link with Selected Object.Activate this option or you will loose the links to the objects that belong to other parts.相关设置自动生成相关参考点和曲面Copyright DASSAULT SYSTEMES 200216Split a bundle segment (1/2)分割线束分割线束Create

16、 a new point on the Bundle Segment spline (“on curve”)2Select the “Bundle Segment” function1Isolate point3选图标生成点隔离点Copyright DASSAULT SYSTEMES 200217Split a bundle segment (2/2)The BNS is split.5Exit the Bundle Segment command4Add point to the BNS route definition6Split the bundle segment加入点退出分割线束分割

17、完毕Copyright DASSAULT SYSTEMES 200218Links Management线束连接线束连接Objective : You are going to learn how to connect two bundle segments together or to an electrical component Link the electrical objects线束和电器连接线束和电器连接 Links management连接管理连接管理Copyright DASSAULT SYSTEMES 200219Between two bundle segments两线束之

18、间连接两线束之间连接Create two bundle segments1Select the “Link” function and both BNS, close to the extremity to link2The GBN is updated生成两线束选择图标和两线束连接Copyright DASSAULT SYSTEMES 200220Between a bundle segment and an electrical component线束和电器连接线束和电器连接Create an equipment and a BNS within a GBN12Select the fun

19、ction “Link”, the BNS and a connectorThe BNS got himself connected to the connector automatically产生设备和线束选择LINK图标线束和电器自动连接Copyright DASSAULT SYSTEMES 200221Links Visualization连接图示连接图示Select the “Related Objects” function“相关目标”图标Copyright DASSAULT SYSTEMES 200222Unlink two electrical objects切断连接切断连接Se

20、lect the funtion “Unlink”12The connection is lost but the geometry remains.切断图标连接去掉，线束还在Copyright DASSAULT SYSTEMES 200223Local Slack Management松弛度松弛度Objective : You are going to learn how to add or remove Slack locally along the bundle segmentAdd Local Slack增加增加Remove Local Slack去掉去掉Copyright DASSA

21、ULT SYSTEMES 200224Add Local Slack to a bundle segmentSelect the “Add local slack to a bundle segment portion1Select the bundle segment next to the point where the additional slack is to start. Click on “Add slack” , key Slack Definition value.2Slack is added to the bundle segment after the point.图标

22、在线束上欲增加松弛度附近选点输入松弛度松弛加在选点之后的线束Copyright DASSAULT SYSTEMES 200225Removing Local Slack from a bundle segment去掉松弛去掉松弛Select the “Add local slack to a bundle segment portion1Select the bundle segment to display the Local Slack Management Panel. Click on “Ignore Slack” 2Slack is Ignored and the bundle is

23、 modified 同样图标不同选项取消松弛Copyright DASSAULT SYSTEMES 200226Support Management增加线束支撑增加线束支撑Objective : You are going to learn how to add a Support to a bundle segment and also how to remove a Support from a bundle segmentAdd Support增加增加Remove Support去掉去掉Copyright DASSAULT SYSTEMES 200227Add a support to

24、a bundle segmentCreate a bundle segment routed through 3 supports. Add an additional support.1Select the “Add Support to bundle segment” and select the bundle segment followed by the Support2The bundle is routed Through the support三支撑模型，支撑必须用Electrical Part Design中Support 命令定义选图标和第四支撑增加完毕Copyright D

25、ASSAULT SYSTEMES 200228Remove a support去掉支撑去掉支撑1Select the “Remove Support from bundle segment” and select the bundle segment2The Support is removed and the bundle route is modified图标Copyright DASSAULT SYSTEMES 200229Section Management线束截面线束截面Objective : You are going to learn how to change the sect

26、ion of a bundle segment from circular to rectangular.Change Section更换截面更换截面Copyright DASSAULT SYSTEMES 200230Replacing a circular section with a rectangular sectionCreate a bundle segment1Sketch new rectangular profile on the same plane as the current bundle segment profile2Activate the “Rib Definit

27、ion” panel and select the rectangular profile3产生一个线束增加截面草图更换截面Copyright DASSAULT SYSTEMES 200231Floating Junction线束连接点线束连接点Objective : You are going to learn how to manage a floating bundle segment junction Manage bundle segment Junction positioning修改连接点位置修改连接点位置Copyright DASSAULT SYSTEMES 200232Flo

28、ating Junction ManagementDefine the constraint geometry for the floating junction1Create the bundle segments 2Move the Junction 增加分支点去掉分支点Copyright DASSAULT SYSTEMES 200233Electrical Harness Flatterning线束展平线束展平Electrical Harness Flattening offers the following main functions:it flattens bundle segments or electrical and geometrical bundles展平线束 it straightens bundle seg