查询词典 cad cam

The valve is mainly made up of body, disc, axle, rocker, connecting rod, cam and spring etc, realizing discharging and air locking making use of the continual action of cam, connecting rod and spring. The cam is controlled by electric pneumatic, so the open angle and time of valve can be controlled in some range by reducing gear.

电动锁气翻板卸灰阀主要由阀体、阀板、阀轴、摇杆、连杆、凸轮、弹簧等零件组成，利用凸轮、连杆、弹簧连续动作实现锁气卸灰，凸轮系统由电气控制，因而阀板的开启角度和时间可由减速装置控制在一定范围内。

The production of globoid indexing cam and gas engine burningchamber are employed as refrences to analyze the method to mathematical modeling of complexed functional feature, furthermore, the research work of the character of surface feature production is deeply done .Advancing and optimizing the producting process, as well as the whole simulated machining by making UG NX2. 0 as the supporting system. Building the Fixture Library CAD/CAM Document system and producting template of DMU70V. Exploring the structure and flow chart of the Document System;Developing the MDF File by means of GPM module. All the above provide profound preparation to establish a further integrated manufacturing environment around 5-Axis NC production center.

在本文中，综合论述了特征建模的方法，以弧面分度凸轮和内燃机燃烧室作为实例，重点研究了复杂功能曲面的建模及曲面分析方法；并从五坐标加工角度出发，详细研究了曲面零件的加工特性，提出并优化了具体的工艺过程；利用UnigraohicsNX2.0作为开发工具，对建模和加工过程进行了全程仿真；围绕DMU70V建立了专属夹具库、文件体系及工艺模板；综合规划了五坐标数控加工的CAD/CAM文件体系的结构和运作流程；开发了GPM五坐标后处理DMF文件，为建立以五坐标数控加工中心为主的加工体系打下了良好的基础。

Taking Master CAM as an example, the paper introduces the technique of postposition dispose for numerical automatic control programming based on CAD/CAM integration, and explains by the example the process of postposition dispose for numerical control programming, generating the numerical control programming, and then producing and machining.

以Master CAM为例，介绍了基于 CAD /CAM一体化的数控自动编程加工中的后置处理技术，以及在当前条件下如何进行数控加工后置处理。

Process of program by hand, improve the efficiency, reduce the losing and wasting.The models and methods of optimization design for disc cam which in CT36-110 spring operating mechanism that the paper has put forward has some theory significance and applicable value for spread and apply the CAD/CAE/CAM technique in high voltage switch industry.

本文的研究所提出的CT36-110型弹簧操动机构中盘形凸轮优化设计的数学模型和优化方法对高压开关行业进一步推广应用CAD/CAE/CAM技术，开展优化设计研究具有一定的理论意义和实用价值。

With CAD/CAM integrated modeling technology and NC programming manufacturing to develop cold box process casting technology of engine cylinder block and cylinder head of linear four-cylinder,two-air valve mid-position cam,four-stroke direct-jet combustion chamber,drying cylinder sleeve turbocharged and oil intercooled diesel engine in accordance with EUROⅢ standard of automobile tail gas exhaust.

运用 CAD /CAM一体化复合建模与数控编程加工技术，研究开发了符合欧Ⅲ汽车排放标准的直列四缸、二气门中置凸轮、四冲程直喷燃烧室、干式缸套涡轮增压和机油中冷式柴油发动机缸体缸盖冷芯盒铸造成形工艺。

At present, the company from development to production tooling, from milling, grinding, cars, wire-cut EDM and injection molding to spraying, etc., are imported special precision equipment to ensure that the process accuracy and product quality; we have to master Pro / E, CATIA, UG , MASTER CAM, as well as other modern CIMATRON advanced CAD / CAM software engineers engaged in various complicated plastic mold design and development.

目前，公司从模具研制到产品生产，从铣、磨、车、线切割到EDM以及注塑喷涂等，均采用进口专用精密设备，确保工艺精度和产品质量；我们拥有掌握Pro/E、CATIA、UG、MASTER CAM以及CIMATRON等现代先进CAD/CAM软件的工程师从事各类复杂的塑胶模具的设计和开发。

Based on CAD/CAM/CAE software——I DEAS Master Series,the standard feature library suitable to accumulator type unit injector is built up.A research on its variable structure,parametric design and 3 dimensional structure FEA is carried on with advanced CAD/CAE technique.It ensures the successful design of accumulator type unit injector.

本文基于大型CAD／CAM／CAE软件I－DEASMasterSeries，采用先进的CAD／CAE技术，建立了适于蓄压式泵喷嘴的标准特征库，对其进行变结构、参数化设计及3维有限元结构计算研究，为蓄压式泵喷嘴结构的设计成功提供了可靠的保证。

A divided B-spline surface model of shoe tree is founded, which offered the sound tree model for the shoemaking CAD/CAM. The calculating equation for control points of the bottom of the shoe tree is established for first time. A new method called LID to construct lateral and front surfaces of the shoe hell is proposed which furnishes the possibility for the hell CAD.

本文建立的楦体分块B样条曲面模型，为制鞋CAD/CAM提供了良好的楦体模型；首次建立并给出了楦底控制点计算方程和楦底分块Bezier曲面模型，奠定了鞋跟鞋底造型的基础；文中提出的设计鞋跟跟口面和跟侧面的LID方法，为鞋跟造型提供了实现可能性。

It has the following characteristics: 2D drawings can be maintained with a high degree of consistency of 3D model; CAD /CAPP /CAM are integrated by the generation of comp lete manufacturing information and the integrated digital p roduction line of shell, outfitting and painting is imp lemented basically; the generation of comp lete manufacturing and management information of shell, outfitting and painting lays the foundation for the integration of design, manufacturing and management; the entity and parametrized technology is used to ensure the establishment of ship p roductmodelwith comp lete topology relations; and the data interfaces for the heterogeneous CAD data and information integration ensure the collaborative design for the factories and the institutes.

SPD系统具有如下特点：能保持三维模型与二维图纸的高度一致；通过生成完整的加工制造信息实现CAD/CAPP/CAM集成，基本打通&壳、舾、涂一体化&的数字化生产线；通过生成壳、舾、涂完整的制造和管理信息，为实现船舶&设计、制造、管理一体化&奠定基础；通过实体和参数化技术为建立具有完整拓扑关系的船舶产品模型提供有力手段；并通过与其他系统的数据接口实现异构CAD的数据和信息集成，为厂、所协同设计创造技术条件等。

In order to assurance the maching accuracy and surface quality of steam turbine blades,based on typical CAD/CAM software Pro/Engineer 2.0,the flow diagram of parametric modeling and maching of turbine blades is drawn;The 3-D entity model of Steam Turbine Blade is upbuilt by parametric modeling method,and the fit-method with NURBS is extracted to smooth the curve surface,and the matrix expression of NURBS is deduced to make the surface more accurate;Then based on it's CAD model,the maching technology process...

为保证汽轮机叶片的加工精度和表面质量，以典型的CAD/CAM软件Pro /Engineer Widefire2.0中文版为基础，绘制了汽轮机叶片参数化设计加工的流程图；用参数化建模方法建立了叶片的三维实体模型，提出用NURBS曲线拟合方法进行光顺处理，并推导出NURBS的矩阵表达式便于截面型线的拟合，进而使叶片的造型更加精确；在CAD模型的基础上，分析了叶片的加工工艺流程，并用软件的CAM功能对叶片进行数控加工仿真，生成了NC代码。

Finally it offers the analysis of the fault-tolerance system as well as its test verification.

这样，运行于空间环境中的系统的设计目标就是在保证系统实时性

However, it is still difficult to find out the real reason of the increase of the keratinized gingiva during the orthodontic extrusion whether it is due to the proliferation of the gingival tissue or to its elastic nature, that is because the proliferation of the fibroblasts as well as the connective tissue changes in volume and the intra-fibers spaces were all immeasurable in most of the studies.

然而，仍然难以找到真正的原因增加的角化牙龈在正畸挤压它是否是由于扩散的牙龈组织或其弹性性质，这是因为增殖的成纤维细胞以及作为结缔组织的变化量和内部纤维空格都是不可估量的，大多数的研究。