以把手零件建模为例，详细介绍了UG曲线空间组合投影命令的原理及其具体应用。
This paper takes a handle for example to introduce the concrete principle and application of UG curve space composite projection order.
为了提供建模过程中所需的海量生物资料，我们提出了标准生物学零件建模资料库语言，使得描述复杂的生物学过程变为可能。
With a mass of data for the use of modeling, we propose the Standard biological Parts modeling Database Language, which enables descriptions of complicated biological processes.
其主要讨论的是一个分析人员选择光学零件的建模方式应依据的几个要素。
A key idea to be conveyed is that an analyst's choice of how to model optical components is dependent on several factors.
研究了零件信息建模的方法。
在零件的形状建模中，语义层中的形状元素、几何居中的信息及它们之间的联系同时建立。
During part modelling, the shape elements in the semantic information and the geometric information and their links are built at the same time.
在对现行的零件信息建模方法进行比较，结合项目的实际情况，在现有理论的基础上提出了比较实用的零件信息建模方法。
After referring current part information modeling methods and taking the actual situation of the project into account, a practical part information modeling method is presented.
进行零件信息建模的方法和动态制造资源信息建模的方法研究。
The method of the part information modeling and the method of the dynamic manufacturing resources information modeling are studied.
通过绘制实例，快速准确地利用AUTOCAD2006进行零件机械臂的实体建模。
Through the example, carries on the entity modeling of components mechanical arm fast and accurately use AUTOCAD2006.
采用智能产品建模的方法，建立了气动潜孔冲击器的概念模型、装配模型和零件模型。
The conception model, assembly model and parts model of pneumatic hole impinger are established by the method of intelligent modeling.
讨论曲面零件信息建模方法，通过建立信息处理、转换模块以连接CAD/CAM 。
The information modeling of sculptured surface is discussed. An information processing and converting module are developed in order to integrate CAD and CAM.
针对网络化环境下的复杂零件协同制造，研究了协同制造任务信息模型及建模方法。
Aiming at the collaborative manufacturing of complex parts in networked environment, the collaborative manufacturing task information model and its model building method were studied.
同时，系统也能够输入其它CAD系统产生的几何模型，经过转换，把几何模型变为以面片模型表达的构件单元，实现复杂零件的建模。
At the same time, the systematic also can be inputted entity model which generated by other CAD software. Translate the entity model to facet model, and obtain the geometry models of compound parts.
在零件三维建模和装盒机虚拟装配总成的基础上，完成了对零件的加工制造，最终完成了装盒机的实际装配。
In part three-dimensional modeling and virtual assembly cartoning machine assembly based on the completed parts of the processing, the final completion of the actual assembly of the cartoning machine.
通过几何建模，建立常用机构标准零件的面片模型，为机构模型的建立提供了必要的构件单元。
To supply the part elements for simulation, build the facet model of standard part in common use through geometry modelling.
系统误差补偿是提高零件加工精度的重要途径，其中系统误差的建模是关键。
Systematic error compensation is one important approach to enhance the machining precision, and systematic error modeling is the key process for the compensation.
针对机械零件反求建模过程中常见二次曲面的表面重建问题，提出了曲面拟合分步计算法。
To solve the problem of quadric surface reconstruction in reverse modeling for mechanical parts, a two-step fitting algorithm was presented.
在此基础上研究了基于典型实例工艺的工艺设计关键技术，包括零件实例信息建模、实例工艺检索、实例工艺修订。
It puts forward some key technologies of process planning such as case modeling, case process searching, case process editing etc.
本文以蜗杆、蜗轮及分度凸轮等具有空间曲面轮廓的蜗杆类零件为研究对象，探讨了该类零件的实体建模问题。
This dissertation focuses on the solid modeling of the Worm-Type Parts, such as the worm, worm wheel, indexing CAM, and so on, which has spacial surface.
依据测量及其数据处理技术，完成了某导向器零件样件的3d建模及其精铸蜡型建模。
According as measurement and their data processing technique, accomplished some guiding device's 3d building model and building model of Investment-casting press mould.
在零件特征建模部分，用特征来描述零件信息。
Since parts information can be described entirely by feature, feature plays an important role in the modeling.
研究了装配特征的分类及装配特征的描述，在CAXA实体设计中进行零件的特征建模，并将这些零件装配成具有层次关系的装配设计模型。
The classification and the description of the assembly features are researched and the feature models of the parts are built in CAXA, and the parts are assembled to hierarchical assembly model.
零件强度校核中，首先选择危险零件，根据ADAMS建模基本尺寸，利用PROE对零件进行建模。
In the process of intensity check of parts, we choose the dangerous parts first. According to the basic size of the model in ADAMS, we establish a model based on PROE.
文章首先采用特点建模技术，以特点为单元，将油膜轴承零件按特点信息分类，建立了完整的零件信息模型；
This article adopts characteristics modeling, and based on characteristics, to divide the components by characteristics information, so a whole components information model is come out.
研究了CAD零件信息与数字化装配系统的信息转换方法，采用面向对象技术实现了产品的装配建模。
Information transformation technology from CAD system to digital assembly system was studied, and the product assembly model was built by using object-oriented method.
该虚拟环境主要包括仿真环境的建立和加工过程的建立两部分，其中仿真环境的建立包括加工中心的建模和零件的建模。
The simulation and machining process were built up in the virtual manufacturing environment. Models of machining center and part were produced in the simulation environment.
建模——建模是相当简单的…全部是POLY模型和一些细小的零件！
Modeling - modeling was pretty straightforward... All poly modeling and a lot of little pieces!
利用UG三维CAD软件对汽车保险杠进行了三维建模，并转换到Dynafor中建立了该零件的有限元分析模型。
The three-dimension model is set up for auto-bumper by the UG three-dimension CAD software, and the model is translated into the DYNAFORM for building its FEM model.
零件信息建模是并行工程中的一个关键问题，除需具有常规集成化零件模型的特点外，还应满足并行工程的要求。
The part modelling is a key part in concurrent engineering. Besides the conventional characteristics, the model should meet the needs from concurrent engineering.
首先确定了车轮零件的类型和相关基本参数，然后运用UG软件对车轮零件进行三维建模。
First the type of wheel parts and related basic parameters are determined, and then using UG software to build the model of the wheel parts.
使用UG三维CAD软件对汽车侧围外板零件进行三维建模，并转换到Dynaform中建立了侧围外板零件的有限元模型；
We build the three-dimension numerical model for the automobile's side frame outer panel by the CAD software, UG and translate it into the DYNAFORM for building its FEM model;
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