نتایج جستجو برای: plastic molding

تعداد نتایج: 59688  

2016
YUAN LIU Yuan Liu Wen-long Yao

It is well known that in blend modification, PC(Polycarbonate)/ABS(Acrylonitrile-Butadiene -Styrene) alloy polymers were used very common , but because of its high production cost and poor processing performance limited its application in marine materials. To improve the problem, We studied the behavior of ABS/PC alloy performance, and made a lot of exploration to increase the toughness, made i...

2013
A. Tellaeche R. Arana

Injection molding is a very complicated process to monitor and control. With its high complexity and many process parameters, the optimization of these systems is a very challenging problem. To meet the requirements and costs demanded by the market, there has been an intense development and research with the aim to maintain the process under control. This paper outlines the latest advances in n...

Injection molding is one of the most common processes which are used for manufacturing different plastic parts. This method includes 3 continuous steps: filling of the mold, cooling and driving the part out. A wide range of plastic and Non-Plastic materials can be used as raw material in this process. One of the most important advantages of this way of production is that it is very economic. In...

Journal: :علوم و تکنولوژی پلیمر 0
منا فیروزه سعید کاظمی نجفی اسماعیل قاسمی

mechanical properties of wood/plastic composites manufactured by polyethylene and polypropylene blends (pp/hdpe) were studied. the sebs (styrene-ethylene butylene-styrene) and epdm (ethylene-propylene diene monomer) were used as compatibilizers to improve the compatibility and miscibility of the interface between hdpe and pp phases. the sawdust and polymers were compounded using an internal mix...

2017
Masatoshi Sakai Kento Watanabe Hiroto Ishimine Yugo Okada Hiroshi Yamauchi Yuichi Sadamitsu Kazuhiro Kudo

In this work, a thermal molding technique is proposed for the fabrication of plastic electronics on curved surfaces, enabling the preparation of plastic films with freely designed shapes. The induced strain distribution observed in poly(ethylene naphthalate) films when planar sheets were deformed into hemispherical surfaces clearly indicated that natural thermal contraction played an important ...

2017
Xiaoxin Wang Guoqun Zhao Guilong Wang

The main objective of writing review on warpage optimization of injection molded plastic part is to investigate the optimization techniques used for minimization of warpage by optimizing process parameters during injection molding. Highly complex design of plastic products now a days demands dimensional accuracy and good surface finish. As the injection molded part cools, uneven distribution of...

Journal: :Microelectronics Reliability 2003
C. Hillman B. Castillo Michael G. Pecht

Plastic encapsulated microcircuits with aluminum triple track structures were exposed to mixed flowing gas conditions to simulate and accelerate possible environments during long-term storage. No increase in resistance was measured and no corrosion products were observed after 800 h of accelerated exposure. Further experimentation indicated that chloride gas reacts with surface moisture in micr...

Journal: :BioTechniques 2005
Gina S Fiorini Daniel T Chiu

This review article describes recent developments in microfluidics, with special emphasis on disposable plastic devices. Included is an overview of the common methods used in the fabrication of polymer microfluidic systems, including replica and injection molding, embossing, and laser ablation. Also described are the different methods by which on-chip operations--such as the pumping and valving...

2011
Shoudong Xu Kah Chong

Autodesk Moldflow is a simulation package for plastic injection molding. As part of the solutions for Digital prototyping, it helps CAE analysts and manufacturers optimize the design of plastic parts and injection molds. In general, models of the plastic parts are created at the first stage of product optimization and the major concern is the manufactured quality of the parts. Once the product ...

Injection molding is one of the most common processes which are used for manufacturing different plastic parts. This method includes 3 continuous steps: filling of the mold, cooling and driving the part out. A wide range of plastic and Non-Plastic materials can be used as raw material in this process. One of the most important advantages of this way of production is that it is very economic. In...

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