数字化产品

• In this paper , we mainly analyze the pricing strategy of digital products under the network economy environment . digital products are the results of the development of information technology with three characteristics of indestructibility , transmutability and reproductivity
  数字化产品是信息技术发展的产物,在网络经济环境下的数字化产品的具有与传统产品截然不同的特性,包括非破坏性、可改变性和可复制性三种物理特点。
• Fourth , many matching elements digital assembly technology was studied for the assembly quality of the digital product . fifth , after the elements of affecting assembly quality were talked about , the key matching element and their implement method have been discussed
  其次，为了保证数字化产品的装配质量，对多要素匹配数字装配技术进行了研究，在论述了影响装配精度的因素后，详细讨论了影响装配质量的关键匹配要素及匹配方法。
• Experts from the entire world have made a lot of efforts on cad and dfa technologies . however , there was rarely papers reported that the basic assembly process of digital product and key matching elements were researched from the point of view of assembly quality
  装配作为产品生产过程中的重要一环，国内外学者对其cad及可装配性技术进行了许多有益的探索，但从装配质量的角度，分析数字化产品装配过程及其关键匹配要素尚很少见。
• At present , popular cad software ( solidedge , solidworks , mdt , pro / e etc ) ca n ' t satisfy the request of digital product design . their assembly technology can realize assembly restraints ( mate , align , orient etc ) , but ca n ' t implement these matching elements
  目前主流cad软件如solidedge 、 solidworks 、 mdt 、 pro e等，其装配技术主要能实现匹配、对齐、定向等装配约束，未能实现影响装配质量的其它关键要素匹配，不能满足数字化产品设计的要求。
• The mostly features of virtual manufacture are to analyze the production ' s machinability and other characteristics from its full lifecycle . and all processes of analysis and simulation are based on corresponding data model , so digital production model occupies an important position in the virtual manufacture
  而虚拟制造的主要特点就是从产品全生命周期的角度分析产品的可加工性等诸项性能，并且所有的分析和仿真过程都是以相应的数据模型为基础的，这就使数字化产品模型在虚拟制造中占据了非常重要的地位。
• Based on the simulated technology , the virtual manufacturing ( vm ) is used to estimate function and capability of production by digital production model , and evaluate its machining indexes included by machinability , cost and so on from the point of view of full periodic production , and this can reduce disadvantage factors brought from practicality model machining in conventional machining mode , such as long period , high cost , bad integration and so on
  虚拟制造是以仿真技术为基础，从产品全生命周期的角度出发，通过数字化产品模型来预估产品的功能、性能，进而评价其可加工性及成本等加工指标，可减少传统的加工模式采用实物模型加工所带来的周期长、成本高及集成性差等不利因素。
• Referring to boeing aircraft product data and combining cad / cam and product data technology development , advance the concept of product data of design for manufacturing and the form of product data integration definition facing manufacture , and set up the digital product data system supporting the advanced manufacturing technology from the point of view engineering . 2
  参照波音飞机的数字化产品数据定义和描述，结合cad cam技术和产品数据的发展，提出了面向制造的产品数据描述的概念及产品数据的集成定义形式，从工程角度，建立支持先进制造技术和pdm技术的数字化产品数据体系。
• Involving in the production mode and current state of chinese aircraft manufacturing enterprise and boeing ' s aircraft digital design and manufacturing technology , the article analysis and studies from the engineering point of view the critical technology and implementation method for pdm application in chinese aviation industries , with pdm technology as the topic
  首先，以pdm技术为研究内容，结合我国飞机工业企业的生产模式与现状，以及波音飞机数字化产品设计与制造技术，从工程角度分析和研究我国航空制造业应用pdm的关键技术和实施方法。
• Sixth , a technology validation prototype system of the digital product assembly and key matching elements is developed . seventh , the secondary development of solidedge is put up and the assembly process and key matching elements . of the typical hole shaft assembly are researched . so the technology principle and implement method are validated
  最后，开发了一种数字化产品装配及关键要素匹配的技术验证原型系统，在该系统中，通过对solidedge进行二次开发，以典型装配副孔轴装配为主要应用对象，分析了装配过程及关键匹配要素，对所研究的技术原理及实现方法进行了验证。
• As a mature technology for its static and accurate positioning , is widely used in the fields of geoscience study , geoid survey and other survey applications , which has brought about a new revolution for the methods and ways of survey . the digital photogrammetry can effectively reduce the work of the field survey and alleviate the labor intensity . its output results , such as digital ground model and digital products , can be widely used for engineering construction ; the outlook of its application has a bright future
  Gps静态精密定位作为一种成熟技术已广泛应用于地球科学研究、大地测量等各个测绘应用领域，给测量手段和方式带来了一场新的革命；数字摄影测量技术可以有效减少野外测量的工作量，减轻劳动强度，其输出成果数字地面模型及其数字化产品，与工程建设结合最为紧密，应用前景非常广阔；遥感地质技术可为公路规划和设计从宏观上提供准确可靠的工程地质资料； cad作为一种可以极大地提高设计效率的有效手段已经被广泛采用，目前正朝着可视化、动态化、三维化方向发展。