CATIA工程图详细教程精

Click to edit Master title style,Click to edit Master subtitle style,Second level,Third level,Copyright DASSAULT SYSTEMES,#,Copyright DASSAULT SYSTEMES,1,第四部分：工程绘图,Copyright DASSAULT SYSTEMES,2,工程绘图简介：两种创建工程图的方式,3D 2D,2D,1.,交互式,2.,创成式,Copyright DASSAULT SYSTEMES,3,工程图生成流程：,零件设计,装配设计,工程图,设计更改,- A -,产生几何视图,- B -,生成尺寸标注,草图设计,关 联,由于它们之间的关联性，在设计没有定型时也可以先生成工程图，一旦设计的模型更改，工程图也将自动更新。,Copyright DASSAULT SYSTEMES,4,工程图生成步骤：连接器上盖,生成标准三视图及轴侧视图,1,添加视图（剖视、局部视图等）,2,视图规划（视图的摆放位置）,3,增加尺寸标注（公差、基准、形位公差等）,4,60,30,3D,设计更改,更新视图观察视图是否更改,5,Copyright DASSAULT SYSTEMES,5,1,Accessing the Workbench,Drafting workbench is accessed from 1- Start menu 2- File menu,3- Workbench Icon,2,3,Copyright DASSAULT SYSTEMES 2002,6,Drafting Toolbars and Objects,1 -,2 -,3 -,4 -,5 -,6 -,7 -,8 -,Each toolbar contains objects related to specific tasks.Objects within these toolbars are compressed and can be expanded for accessing additional functionalities.,Dimension properties,Text properties,Graphic properties,1,2,3,4,6,5,7,8,Copyright DASSAULT SYSTEMES,7,几个概念,Drawing,:,单个零件或装配的完整工程图，可包括一张或若干张图纸（,Sheet ）。,Sheet,:,单张图纸，可包括多个投影视图（,View）。,View,:,画法几何中的投影视图，可分主视图（,Front View）、,辅助视图、局部视图等。,Detail Sheet,:,可存放多个组件（,component）,的图纸。,Component,:,可看作在图纸中可重复使用的图块。,Background,和,Working Views,:Catia,中一张图纸（,sheet）,可分为背景（,Background）,和工 作视图（,Working Views），,背景放置多张图纸共有的元素，如图框和标题栏等，工作视图放置工程图的主要内容，如投影视图和文字说明等，是每张图纸都不同的。两者可相互切换，编辑时互不干扰。,Copyright DASSAULT SYSTEMES 2002,8,View Frame,View Name,and,View Scale,Grid,Active view (,underlined,in the tree and with a,red,frame),Specifications Tree,Views,Prompt zone,Drafting Terminology,Copyright DASSAULT SYSTEMES,9,A CATDrawing file has a structure which lists all the sheets and views contained in the document.,A Drawing Document file has extension CATDrawing and is identified by the file extension.,CATDrawing file extension,What is a Drawing?,Copyright DASSAULT SYSTEMES,10,1. Views can be associative (linked to 3D parts) or Unassociative (unlinked from a 3D part).,a. Associative (Linked) Views to a 3D part are called,GENERATED VIEWS,.,b. Unassociative (Unlinked) Views to a 3D part are called,DRAW VIEWS,.,3D Part,What are the different types of Views?,Generated Views,Draw Views,Starting a Generative Drawing,You will learn how to generate a drawing directly from a 3D part.,Guide Piece,Drawing,Copyright DASSAULT SYSTEMES,12,1- Start menu,Drawing Documents (CATDrawing) can be created in various ways.,How to Start a Generative Drawing from a CATPart?,2- File menu,3- Workbench Icon,Copyright DASSAULT SYSTEMES,13,File,Options:,New.,for starting a default drawing document,New from.,for starting a drawing from an existing document,Open.,for opening an existing document,The,New from,or,Open,options could be for retrieving company startup documents.,Classical Method to Start Generating a Drawing,Copyright DASSAULT SYSTEMES 2002,14,Setting Drawing Sheet Format and Drafting Standards,Click the,Modify,option to change the default sheet format size, orientation, and display.,The Administrator can customize these standards according to requirements. This can be done through the Standard Definition dialog box that appears on selecting,Tools,Standards.,Format settings can be modified later if necessary: for example the paper orientation or size with menu,File + Page Setup.,1.Standards,ISO, ANSI,and,JIS,can be set.,2.Sheet styles(A0,A1,A2.)can be set.,3.Orientation (Landscape or Portrait)can be set.,Copyright DASSAULT SYSTEMES,15,Setting First Angle Projection,2,1,3,Right click on the sheet.,Click on properties.,Select first angle method,After changing the Sheet properties to the first angle projection standard, set the sheet as the default so all other sheets will be created with the same angle of projection.,Copyright DASSAULT SYSTEMES,16,Starting a Drawing with a Blank Sheet,1,Change to the Drafting Workbench from the Part Workbench.,You can select the Blank Sheet option in the new drawing creation dialog box. Select OK to accept the default drawing standards and Format Size.,Select drafting from the list of favorites.,2,3,Defining the Main Views,You will learn how to define the main views for a drawing using the View Wizard. The geometry will be generated into these views from the associated Part Document.,Copyright DASSAULT SYSTEMES,18,1- Individually one by one,2- or by View Wizard,Views can be created in various ways:,2,The,View Wizard,is a quick way to select predefined view configurations or define a customized view configuration.,Many types of views can be created one by one in an “as needed” approach.,Creating Views,1,Copyright DASSAULT SYSTEMES,19,Creating a Front View Using Multi-Selection (1/2),You can create a front view either from a part, sub-body of a part, product, or from the sub-part of a product using a reference plane.,1,Start the drawing with a blank sheet,Select the Front View icon from the Views toolbar,Switch or activate the CAT Part or CAT Product document (window),Note: the Front View is used as the defining view when creating projection views.,2,3,Copyright DASSAULT SYSTEMES,20,Creating a Front View Using Multi-Selection (2/2),Select the bodies or parts to display in the tree (use Ctrl key). If none is selected, all bodies or parts will be displayed. Or select a local view axis to set the view origin.,Select your front view plane. A preview will be shown on the drawing sheet.,Click anywhere on the drawing sheet to generate the view.,When selecting a view plane, an orientation preview will be displayed when pre-selected (,highlighted under the cursor),Preview of the front view,4,5,6,Copyright DASSAULT SYSTEMES,21,Rotating the Front View with View Manipulator (1/2),clicking up arrow,Dragging green handle,clicking center left arrow,clicking right arrow,1. Up, down, right and left arrows flip background plane view in 90 degrees.,2.Center left and right arrows rotate view 30 degrees in the same plane.,The 30 degrees increment can be changed with the contextual menu on the dial.,3.The green handle(dot) rotates view freely on the same plane.,Before accepting the view, it can be reoriented with the view manipulator,When finished, click on dial center or anywhere on sheet to generate the Front View.,Copyright DASSAULT SYSTEMES,22,Rotating the Front View with View Manipulator (2/2),Set the increment of Rotation,View Manipulator contextual menu settings,Set the angle of Rotation,Set free Rotation,Copyright DASSAULT SYSTEMES,23,To add a (Top) view on this drawing,Select desired location to place the view,1,4,Adding,a Projection View on a Drawing,The Top view is generated with the default projection standard set to first angle projection (ISO Standard).,Activate the view (front) to project from (blue axes on and underlined in tree). Select the View Projection icon,2,Move cursor where View is to be projected,3,A preview of the projection view appears.,A projection view is created from previously created view.,Copyright DASSAULT SYSTEMES,24,Additional View Generation,In this lesson you will generate section, detail, auxiliary, isometric and broken views on a drawing,Adding Section Views and Cuts,Adding Secondary Views,Additional Reference Material,Summary,Adding Section Views and Cuts,You will learn how to add section views and section cuts to the drawing,Copyright DASSAULT SYSTEMES,26,What are the different types of Sections Views ?,Offset Sections,1.Simple,offset section -,a full section with a simple single cutting plane,fully,passing through the part,2.Complex,offset section -,a full section in which the cutting plane is,offset,to pass through important features,Simple Offset Section,Aligned Sections,Aligned,sections,also called revolved sections, has a cutting plane revolving around an axis.,There are 3 main types of sectional views; full section, offset or aligned depending on how the cutting plane is defined.,Complex Offset Section,Copyright DASSAULT SYSTEMES,27,Section View:,A view of the cutting plane and any geometry that extends beyond the cutting plane in the direction of the sight (arrows).,Section Views and Section Cuts,Section Cut,: A view of only the material that the cutting edge touches when passing through the part.,Difference between a,section view,(Offset or Aligned) and,section cut,(Offset or Aligned)is explained here.,Copyright DASSAULT SYSTEMES,28,Click at A, double click at B, then place the view C,To add a section view on this drawing,The section is added,(A),1,Activate the front view and select the desired Section View icon,(B),(C),Adding a Simple Section View on a Drawing,Use the section cut icon and the same process to make a section cut view,Note : Preview appears,2,3,4,Front view is active when the blue axis is visible and the view name is underlined in the tree. If the Frame option is set on then the frame color will be red around the active view.,Adding Secondary Views,You will learn how to add secondary views,Detail Views,Clipped Views,Isometric Views,Breakout Views,Broken Views,Copyright DASSAULT SYSTEMES,30,Secondary Views:,1),Detail Views,: A detail view is defined by a callout on an existing view around the area to be enlarge for the new view. The callout can be a,circle,or an free-hand sketched,profile,.,2),Clipped Views,: A clipping view is defined by a “callout” on an existing view. The callout can be a,circle,or an free-hand sketched,profile,and the clipping will remove all the existing views geometry that is not in the callout.,3),Isometric Views,: An isometric view is the projection of the 3D part and its relation to the current rotation of the XYZ plane.,4),Broken Views,: A broken view is defined by adding break lines to determine an area of the view that will be removed. Views can be broken horizontally or vertically.,What are secondary Views ? (1/2),Secondary Views are added to improve the clarity of the description of a part through better visualization and/or to aid in dimensioning. There are seven types of secondary views.,1,3,2,4,Copyright DASSAULT SYSTEMES,31,Secondary Views:,5),Breakout Views,: A breakout view allows the creation of a local cut (by a plane) in order to see the inside of a part without cutting it totally.,6),Auxiliary Views,: An auxiliary view is a view created in a given direction which is not a direction that can be obtained with a standard view,7),Unfolded Views,: An Unfolded view is a view that can only be obtained from a Sheet Metal part. This kind of view unfolds the sheet metal part in accordance with the rules which have been applied to the bends,What are secondary Views ? (2/2),5,7,6,Copyright DASSAULT SYSTEMES 2002,32,Select the Isometric icon,1,Adding an Isometric View,3,A preview of the Isometric View displays,4,Select anywhere on the drawing to generate the view,(A),2,Select a face on the part in the Part or Product document,If needed, use the View Manipulator to reorient the Isometric view.,Copyright DASSAULT SYSTEMES,33,Editing Views Layout and Properties,In this lesson you will change the layout of views on a drawing and change the properties of the views,Editing View and Sheet Properties,Repositioning Views,Modifying Views,Modifying Profile Definition,Additional Reference Material,Summary,Editing view and sheet properties,You will learn how to edit the view and sheet properties.,Copyright DASSAULT SYSTEMES,35,View and Sheet properties control all the variables related to specific views and sheets of the drawing.,What are view and sheet properties?,Copyright DASSAULT SYSTEMES 2002,36,Select the view to modify in the tree or View frame and Properties with the contextual menu,1,Select the View or Graphic tab and change the necessary options, here :,(A) View name,(B) Dress up to have fillets on,(C) Visualization to remove the frame,View Properties,Multi-selection of views is allowed on a single sheet or on different sheets,2,A,B,C,Copyright DASSAULT SYSTEMES,37,Select the Sheet (Sheet1),in the tree,and Properties in the contextual menu to change its name.,2,Use this option to generate the views on the sheet using the 1st angle projection method (ISO),1,Modify the Sheet name, scale, or projection method (ANSI or ISO).,Sheet Properties,Copyright DASSAULT SYSTEMES,38,Views can be repositioned in five different ways.,Repositioning Views Options:,1 - Relative Positioning,2 - Maintain (or not) alignment with “Parent” Front view,3 - Superpose origins with another view,4 - Align views by element selection,5 - Text and View positioning tool,The “Parent” Front view relationship is established when views are added from the front view or created with the Wizard. These “children” views will maintain the alignment link with the “parent” front view unless the alignment is broken.,2,2,1,Repositioning views on a single sheet,3,1,4,5,Copyright DASSAULT SYSTEMES 2002,39,Select the view or views to be aligned,2,Select the positioning tool Icon,Moving views on a sheet with the Positioning Tool,1,3,Select the desired positioning option (Vertical Distribute),4,The views will move accordingly (aligned vertically at an evenly distributed distance),The positioning tool can be position both views and text. They can be aligned from an element, Spaced vertically or horizontally, distributed or even moved a specific distance,Modifying Profile Definition,You will learn how to modify the geometrical properties of the definition profile of Section, Detail and Auxiliary views.,Copyright DASSAULT SYSTEMES,41,The design of your parts or products will evolve with time. CATIA allows you to modify the arrangement of views, and to modify the section, detail and auxiliary views to clarify your drawings.,Original part,Original associated drawing,New version of the part,Updated drawing, section view modified,Why change the Profile?,Copyright DASSAULT SYSTEMES,42,Double click on the Section view callout to open the ,Edit/Replace,toolbar which allows you to perform several kinds of modifications.,1,Move the section profile,: Select the callout. Drag and drop at a new location.,Changing Section View Profile,(1/3),Select the exit icon to apply the modifications.,3,2a,You can drag the section profile and drop at a new location,Isometric view,Copyright DASSAULT SYSTEMES,43,Double click on the Section view callout to open the ,Edit/Replace,toolbar which allows you to perform several kinds of modifications.,Inverse the view direction,: select the ,Invert Profile direction,icon.,Changing Section View Profile,(2/3,),Click on the exit icon to apply the modifications.,1,3,2b,You can inverse the direction of section profile by using Edit /Replace toolbar.,Copyright DASSAULT SYSTEMES,44,Replace the profile,: select the ,Replace Profile,icon. Create your new profile to replace the old one.,Double click on the Section view callout to open the ,Edit/Replace,toolbar which allows you to perform several kinds of modifications.,Changing Section View Profile (3/3),Select on the ,End Profile Edition,icon to apply the modifications.,You can replace the section profile with a new one using the Edit/Replace toolbar.,1,2c,3,Dimensioning Introduction and Terminology,You will be introduced to dimensioning and the dimensioning terminology,Copyright DASSAULT SYSTEMES,46,Tolerance,Text,above,the main value,Main Value,Text,under,the main value,Text,before,the main value,Text,after,the main value,Dimension line,Extension line,Extension gap (Blanking),Overrun,Terminology:,Tools:,General/Quick,Dimensioning,Automatic Dimensioning,Weld,Text,Text with Leader,Geometric Tolerances,Datum,Roughness symbol,Datum Target,Weld Symbol,Balloon,Cumulated Dimension,Stacked Dimension,Text Replicate,Dimensioning Terminology and Tools,Text Template,Specific Dimensioning,Copyright DASSAULT SYSTEMES,47,Connector Housing,Master Exercise Presentation,10 min,In this exercise you will learn Generative Drafting fundamental concepts by generating the drawing of the connector housing from the 3D Part. This process includes the creation or generation of all necessary views, dimensions and Annotations. You will also see the associativity of the 3D part to the drawing when the connector housing is modified.,Copyright DASSAULT SYSTEMES,48,Connector Housing,Step 1: Views Generation,5 min,In this step you will quickly Generate 3 main views and an isometric view of the connector housing. You will then check drawing default options.,Copyright DASSAULT SYSTEMES,49,Connector Housing,Step 2 : Additional Views,20 min,In this step you will add two section views and three detail views. You will also add an extra isometric view.,Do not dimension any views yet.,Catch,Detent,Clip,Copyright DASSAULT SYSTEMES,50,Connector Housing,Step 3 : Properties,15 min,In this step you will change the view properties of the name,scale, fillet representation and hidden line visualization. You will modify a detail view callout and redefine a section view profile. You will also change the position of a view and the hatching representation.,Do not dimension any views yet.,Copyright DASSAULT SYSTEMES,51,Connector Housing,Step 4 : Dimensioning & Tolerancing,30 min,In this step you will dimension two parts with the automatic and manual methods. You will also add a datum and a Geometric tolerance,Copyright DASSAULT SYSTEMES,52,Connector Housing,Step 5 : Finalizing the Drawing,30 min,In this step you will change the specifications in 3D and make the drawing up to date with the 3D parts new dimensions.Then you will Draw a title block and store it, and you will Print the drawing on a simple office printer,