CATIA工程图详细教程

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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
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Starting a Generative Drawing
You will learn how to generate a drawing directly from a 3D part. Drawing
Guide Piece
How to Start a Generative Drawing from a CATPart?
Dimension properties
Graphic properties
Text properties
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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 )。
Drawing Documents (CATDrawing) can be created in various ways. 1- Start menu
2- File menu
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3- Workbench Icon
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Classical Method to Start Generating a Drawing
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添加视图(剖视、 局部视图等)
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视图规划(视图的 摆放位置)
30 60 3D设计更改
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更新视图观察视图 是否更改
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Accessing the Workbench
Drafting workbench is accessed from 1- Start menu 2- File menu 3- Workbench Icon
零件设计
装配设计
关联
设计更改
工程图
-A 产生几何视图
-B 生成尺寸标注
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。
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工程图生成步骤:连接器上盖
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生成标准三视图及 轴侧视图
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增加尺寸标注(公 差、基准、形位公
差等)
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第四部分:工程绘图
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工程绘图简介:两种创建工程图的方式
1.交互式
2D
2.创成式 3D 2D
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工程图生成流程:
草图设计
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DCopyright5Drafting Toolbars and Objects
Each toolbar contains objects related to specific tasks.Objects within these toolbars are compressed and can be expanded for accessing additional functionalities.
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
The New from or Open options could be for retrieving company startup documents.
Specifications Tree
Active view (underlined in the tree and with a red
frame)
Views
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Prompt zone
View Frame
Grid View Name
)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
S 等,是每张图纸都不同的。两者可相互切换,编辑时互不干
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Drafting Terminology
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What are the different types of Views?
1. Views can be associative (linked to 3D parts) or Unassociative (unlinked from a 3D part).
and View Scale
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What is a Drawing?
A Drawing Document file has extension CATDrawing and is identified by the file extension.
CATDrawing file extension
A CATDrawing file has a structure which lists all the sheets and views contained in the document.
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
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