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CAE

Categories: Ahead NewsStars: 3Stars Visit: - Release time: 2015-12-17 17:57:00
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CAE --- Aheadmold

7.3    CAE

Computer-aided engineering simplifies the creation of the database, by allowing several applications to share the information in the database. These applications include, for example, (a) finite-element analysis of stresses, strains, deflections, and temperature distribution in structures and load-bearing members, (b) the generation, storage, and retrieval of NC data, and (c) the design of integrated circuits and other electronic devices.
With the increasing sophistication of computer hardware and software, one area which has grown rapidly is computer simulation of manufacturing processes and systems. Process simulation takes two basic forms: (a) it is a model of a specific operation intended to determine the viability of a process or to optimize or improve its performance; (b) it models multiple processes and their interactions, and it helps process planners and plant designers in the layout of machinery and facilities.
Individual processes have been modeled using various mathematical schemes. Finite-element analysis has been increasingly applied in software packages (process simulation) that are commercially available and inexpensive. Typical problems addressed are process viability (such as the formability of sheet metal in a certain die), and process optimization (for example, the material flow in forging in a given die, to identify potential defects, or mold design in casting, to eliminate hot spots, to promote uniform cooling, and to minimize defects).
Simulation of an entire manufacturing system involving multiple processes and equipment helps plant engineers to organize machinery and to identify critical machinery elements. In addition, such models can assist manufacturing engineers with scheduling and routing  (by discrete event simulation). Commercially available software packages are often used for these simulations.
Polymer processing, in its most general context, involves the transformation of a solid (sometimes liquid) polymeric resin, which is in a random form (e.g. powder, pellets, beads), to a solid plastics product of specified shape, dimensions, and properties. The ultimate properties of the article are closely related to the microstructure. Therefore, the control of the process and product quality must be based on an understanding of the interactions between resin properties, equipment design, operating conditions, thermo-mechanics history, microstructure, and ultimate product properties. Mathematical modeling and computer simulation have been employed to obtain an understanding of these interactions. Such an approach has gained more importance in view of the expanding utilization of computer aided engineering (CAE) systems in conjunction with plastics processing.

Article come from China injection tools maker - AHEADMOLD, website is WWW.AHEADMOLD.COM.

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