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Structural Scheme Optimization Design for the Stationary Platen of a Precision Plastic injection molding machine

Chinese Journal of Mechanical Engineering 2014年第4期27卷 714-721页

作者： REN Bin ZHANG Shuyou TAN Jianrong State Key Laboratory of Fluid Power Transmission and Control Zhejiang University Department of Civil and Architectural Engineering City University of Hong Kong

The current development of precision plastic injection molding machines mainly focuses on how to save material and improve precision, but the two aims contradict each other. For a clamp unit, clamping precision improving depends on the design quality of the stationary platen. Compared with the parametric design of stationary platen, structural scheme design could obtain the optimization model with double objectives and multi-constraints. In this paper, a SE-160 precision plastic injection molding machine with 1600 kN clamping force is selected as the subject in the case study. During the motion of mold closing and opening, the stationary platen of SE-160 is subjected to a cyclic loading, which would cause the fatigue rupture of the tie bars in periodically long term operations. In order to reduce the deflection of the stationary platen, the FEA method is introduced to optimize the structure of the stationary platen. Firstly, an optimal topology model is established by variable density method. Then, structural topology optimizations of the stationary platen are done with the removable material from 50%, 60% to 70%. Secondly, the other two recommended optimization schemes are given and compared with the original structure. The result of performances comparison shows that the scheme II of the platen is the best one. By choosing the best alternative, the volume and the local maximal stress of the platen could be decreased, corresponding to cost-saving material and better mechanical properties. This paper proposes a structural optimization design scheme, which can save the material as well as improve the clamping precision of the precision plastic injection molding machine.

关键词： finite element analysis injection molding machine stationary platen topology optimization

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Model evolvement and reuse technology of injection molding machine based on performance knowledge

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High Technology Letters 2008年第2期14卷 205-209页

作者：魏喆 Feng Yixiong Tan Jianrong Wang Jinlong State key laboratory of CAD＆CG Zhejiang University Hangzhou 310027 P. R.China School of Computer Engineering Qingdao Technological University Qingdao 266033 P.R. ChinaI

To illuminate the necessity of model evolvement and reuse, dynamics of injection molding machine＇s product models are analyzed. The performance knowledge is used to support the model evolvement and reuse. The driven factors of mechanical product model are concluded. The dynamic characteristics of reuse. Finally, HT1800X1N series injection molding machines are taken as examples to illuminate that the arithmetic is correct and practical.

关键词： performance knowledge model evolvement knowledge reuse injection molding machine

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Distributed Intelligent Control System of the injection molding machine Based on ARM Controller

Distributed Intelligent Control System of the Injection Mold...

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2011 IEEE International Conference on Computer Science and Automation Engineering(CSAE 2011)

作者： Zhilei Cui Computer Department Suzhou Vocational University Suzhou P.R.China Jine Wang School of Mechanical and Electric Engineering Soochow University Suzhou P.R.China

In this paper,a new ARM controller-based distributed intelligent control system,combining the process the features of the injection molding machine,is *** technology and fieldbus technology are *** basic components of the hardware and the design scheme of the software are also *** innovative application of the artificial intelligence technology in the control system of the injection molding machine enables the simple processing procedure self-learning,fault diagnosing and process parameters *** ARM controller as the slave computer of this control system can not only realize the on-site control for the injection molding machines but also can provide distributed remote control services for the host *** closed-loop control system,composed of the ARM controller and sensors,realizes the prompt adjustment of the processing parameters,such as flow,injection pressure and the control of multi-stage injection pressure in the molding process *** can meet the requirements of different plastic products.

关键词： injection molding machine ARM controller distributed control system artificial intelligence

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Model predictive control of servo motor driven constant pump hydraulic system in injection molding process based on neurodynamic optimization

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Journal of Zhejiang University-Science C(Computers and Electronics) 2014年第2期15卷 139-146页

作者： Yong-gang PENG Jun WANG Wei WEI College of Electrical Engineering Zhejiang University Department of Mechanical and Automation Engineering Chinese University of Hong Kong

In view of the high energy consumption and low response speed of the traditional hydraulic system for an injection molding machine,a servo motor driven constant pump hydraulic system is designed for a precision injection molding process,which uses a servo motor,a constant pump,and a pressure sensor,instead of a common motor,a constant pump,a pressure proportion valve,and a flow proportion valve.A model predictive control strategy based on neurodynamic optimization is proposed to control this new hydraulic system in the injection molding *** results showed that this control method has good control precision and quick response.

关键词： Model predictive control Recurrent neural network Neurodynamic optimization injection molding machine

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液压注塑机与电动注塑机共创注塑机的发展

液压注塑机与电动注塑机共创注塑机的发展

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PPTS2005塑料加工技术高峰论坛

作者：张友根宁波海航塑料机械制造有限公司

在注塑机市场中,长期来,液压注塑机占据着主导地位,然而随着电动注塑机的发展,液压注塑机日益受到越来越大的挑战。液压注塑机与电动注塑机两者之间优势的相互关系如何,各自的市场的定位如何,发展趋势是什么?等等。本文就这些问题发表... 详细信息

在注塑机市场中,长期来,液压注塑机占据着主导地位,然而随着电动注塑机的发展,液压注塑机日益受到越来越大的挑战。液压注塑机与电动注塑机两者之间优势的相互关系如何,各自的市场的定位如何,发展趋势是什么?等等。本文就这些问题发表作者的看法,供有关人士参考。1 电动注塑机的发展现状在“K2001”塑料和橡胶工业展览会上,可以看到这一点,中、小型注塑机发展的一个主要趋势是全电动注塑机。在“K2004”塑料和橡胶工业展览会上,DEMAG、NETSTAL、BDTTENFELD

关键词： injection molding machine Electric injection molding machine Hydraulic injection molding machine Application Capability Development

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