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die design
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  die design
Also, the UBET-based preform design tool is presented as a process and die design tool for multistage forging processes.
      
The material constants of semisolid material in the stress-strain curve are proposed to perform the numerical analysis for a die design of semisolid forging.
      
This article presents a proof-of-concept illustrating the potential utility of layer-based extrusion dies for the die design and fabrication process.
      
Extrusion die design and development often requires significant craftsman skill and iterative improvement to arrive at a production-ready die geometry.
      
Precise selection of die velocity, process temperature, and die design is necessary to produce satisfactory products.
      
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CIM is a strategic solution for enterprises to meet competitive demands. Atpresent,there is no common accepted prescription to implement CIM concept. A stepwise approach is taken by Dong Feng Automobile Corporation to realise their CIM development program.The first step of the program is to establish a integrated CAD/CAPP/CAM system of autobody development and panel die design and manufacturing.In this paper, the necessity of integration is analysed, and the system integration methods, architecture of...

CIM is a strategic solution for enterprises to meet competitive demands. Atpresent,there is no common accepted prescription to implement CIM concept. A stepwise approach is taken by Dong Feng Automobile Corporation to realise their CIM development program.The first step of the program is to establish a integrated CAD/CAPP/CAM system of autobody development and panel die design and manufacturing.In this paper, the necessity of integration is analysed, and the system integration methods, architecture of the Integrated system and physical environment are discussed.

CIM是企业面对市场竞争的发展战略,目前还没有一个普遍接受的解决方案。在东风汽车公司CIMS应用工程中采用了分步实施的策略,首先在车身开发与覆盖件模具设计与制造中应用CAD/CAPP/CAM集成系统。本文分析了应用集成系统的必要性,讨论了系统集成方案、系统的结构和物理实现

This paper introduces an expert system for extrusion die design. The system, combining CAD with expert system, adopts the modularized design and management knowledge with frame adding rule. The interchangeable upward linking inference engine can dispose complicated branching intersection and inference tree. The system hosts friendly interface and possesses the characters of 3-D work panel, Chinese bill, timely graph prompt and interactive design.

介绍了挤出模设计专家系统JCMES.该系统采用模块化设计,将CAD与ES相结合,采用“框架+规则”管理知识,其逆向推理机可以处理具有任意复杂分叉的与或推理树,并具有通用性.该系统人机界面良好,具有立体工作版面、全汉化接口、适时图形提示、交互式设计等特点.

This paper is the statement of goals guidelines and procedures to automate the generation of an optimized ordering of 2-D tool paths for 2. 5D axis milling of arbitrary pockets for molds and dies designed on a geometric modeler. It addresses the overall goal of increasing productivity by shortening manufacturing time. The tool retraction has to be reduced to the minimal number possible.

复杂型胶类零件的加工是数控编程中的一个难点.本文从提高加工算法的稳定性和加工效率的角度出发.提出了一个复杂平面型腔数控加工的优化算法.即通过二维环的等距、自交、集合等基本运算.按“端点同环最短距离优先剖面线算法”规划并优化刀具轨迹.最后给出了应用实例.

 
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