基于CAXA的减速器装配动画设计

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摘要

机械识图是机械设计专业基础课程和核心课程，同时，也是毕业设计考试必

考内容之一。它是一门理论性与实践性较强的课程，也是当前大学院校中师生普遍

反映较难学的一门课程。其主要任务是培养学生具有一定的识读、绘制机械图样的

能力，为后续专业课程的学习和从事数控应用技术工作打下坚实的基础，所以学

好机械识图是十分重要和必要的。机械识图在教学模式上多以平面形式进行，由于

学生空间想象力不够，不容易建立空间立体感，造成学生的学习兴趣不高，教学

效果不是很理想。

在计算机技术迅速发展的今天，各类三维软件（如 CAXA3D 实体设计、

UG、Pro/E 等）的应用越来越普及，通过借助 CAXA3D 实体设计软件强大的三维实

体造型功能和零件图模块，通过对零件实体模型的演示，把原本抽象、静止的平面

图形转换成形象、生动的立体模型，帮助学生理解课程中的重点和难点，同时提高

了学生的学习兴趣，最终提升了课堂教学的效果。

本课题以减速器为研究对象，从基本零件信息出发，应用 CAXA3D 实体设计

进行装配体建模和装配仿真，实现了减速器各个结构组成及整机的装配仿真动画。

研究过程包括基本零件建模、装配体建模、和装配动画生成三个模块。课题提出面

向装配的研究思路，分析了各模块之间的紧密联系，并且将整个研究过程模块化。

最后，对生成的装配仿真动画。

本课题已完成了减速器的装配模型，对其进行了装配体建模并生成了装配仿

真动画，基本达到了减速器产品演示和装配工人培训的目的。

关键词:虚拟装配；装配仿真动画；减速器； CAXA3D 实体设计

Abstract

Mechanical recognition course is a basic course and core course for

mechanical design major, and it is also one of the compulsory content

of graduation design examination. It is a highly theoretical and

practical course, and it is also a difficult course for teachers and

students in universities and colleges. Its main task is to train

students to have a certain ability to read and draw mechanical

drawings, and lay a solid foundation for the subsequent professional

courses and engage in NC application technology work, so it is very

important and necessary to learn mechanical drawing well. Mechanical

mapping is mostly carried out in a flat form on the teaching mode. Due

to insufficient spatial imagination of students, it is not easy to

establish a three-dimensional sense of space, resulting in low learning

interest of students, and the teaching effect is not very satisfactory.

With the rapid development of computer technology, the application of

various 3D software (such as CAXA3D solid design, UG, Pro / E, etc.) is

becoming more and more popular. By using the powerful 3D solid modeling

functions and part drawing modules of CAXA3D solid design software, The

demonstration of the solid model of the part converts the original

abstract, still plane graphics into vivid, vivid three-dimensional

models, helping students understand the key points and difficulties in

the course, at the same time increasing students' learning interest,

and ultimately improving the effect of classroom teaching.

This project takes the reducer as the research object. Starting from

the basic parts information, CAXA3D solid design is used to perform

assembly modeling and assembly simulation. The structural simulation of

the reducer and the assembly of the entire machine are realized. The

research process includes three modules: basic part modeling, assembly

modeling, and assembly animation generation. The project proposes

assembly-oriented research ideas, analyzes the close relationship

between the various modules, and modularizes the entire research

process. Finally, the generated assembly is animated.

This topic has completed the assembly model of the reducer, modeled the

assembly and generated the assembly simulation animation, which

basically achieved the purpose of product demonstration and assembly

worker training for the reducer.

Key words: Virtual assembly; assembly simulation animation; reducer;

CAXA3D solid design

目 录
第 1 章 绪  论........................................................................................................................................1
1 概述..........................................................................................................................................1
2 研究课题的背景.......................................................................................................................2
3 国内外研究现状分析...............................................................................................................2
4 本课题研究目标......................................................................................................................3
5 本课题研究的意义..................................................................................................................3
第 2 章  CAXA 3D 实体设计虚拟建模系统环境..................................................................................5
1 系统平台的选择......................................................................................................................5
2　应用软件简介........................................................................................................................5
2.1 CAXA 3D 实体设计的特点.........................................................................................5
2.2 CAXA3D 实体设计的组成部分...................................................................................6
3  CAXA3D 实体设计在教学中应用.......................................................................................13
第 3 章 减速器机构实体建模..............................................................................................................15
1 减速器三维参数化建模........................................................................................................15
1.1 轴承端盖的实体建模过程.......................................................................................15
1.2 轴的实体建模过程....................................................................................................20
2 本章小结................................................................................................................................23
III

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摘要：

摘要机械识图是机械设计专业基础课程和核心课程，同时，也是毕业设计考试必考内容之一。它是一门理论性与实践性较强的课程，也是当前大学院校中师生普遍反映较难学的一门课程。其主要任务是培养学生具有一定的识读、绘制机械图样的能力，为后续专业课程的学习和从事数控应用技术工作打下坚实的基础，所以学好机械识图是十分重要和必要的。机械识图在教学模式上多以平面形式进行，由于学生空间想象力不够，不容易建立空间立体感，造成学生的学习兴趣不高，教学效果不是很理想。在计算机技术迅速发展的今天，各类三维软件（如CAXA3D实体设计、UG、Pro/E等）的应用越来越普及，通过借助CAXA3D实体设计软件强大的三维实体造型功能...

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