Study on Rapid Manufacturing of CAFÉ Injection Mold

2011 ◽  
Vol 189-193 ◽  
pp. 777-780
Author(s):  
Yan Fang Yue ◽  
Yong Di Zhang ◽  
Guang Yang ◽  
Jin Ye Wang ◽  
Bin Wei
Keyword(s):  
Injection Molding ◽  
Rapid Prototyping ◽  
Cell Phone ◽  
Rapid Manufacturing ◽  
Injection Mold ◽  
Molding Machine ◽  
Mold Making ◽  
A Cell ◽  
Plastic Parts ◽  
Polypropylene Sample

Rapid tooling developed from the rapid prototyping technology is a new method and technology of mold making, and this paper mainly studies the composite aluminum-filled epoxy (CAFÉ) mold，which is one of the rapid bridge toolings, applied to thermoforming of the plastic parts. The material formula of the CAFÉ mold with E51 as matrix is developed, and using the formula we have made the CAFÉ mold for the back shell of a cell phone charger, which is installed at the injection molding machine to do the test and finally successfully obtain the polypropylene sample. In addition, the process of making the CAFÉ mold is described in detail in the paper.

Study on Improving the Life of Stereolithography Injection Mold

2012 ◽  
Vol 468-471 ◽  
pp. 1013-1016 ◽  
Author(s):  
Hua Qing Lai
Keyword(s):  
Injection Molding ◽  
Injection Molding Process ◽  
Injection Mold ◽  
Molding Process ◽  
Molded Parts ◽  
Injection Molded ◽  
Plastic Parts ◽  
Assembly Operations ◽  
Conventional Injection Molding ◽  
Shape And Size

Molding is one of the most versatile and important processes for manufacturing complex plastic parts. It is a method of fabricating plastic parts by utilizing a mold or cavity that has a shape and size similar to the part being produced. Molten polymer is injected into the cavity, resulting in the desired part upon solidification. The injection-molded parts typically have excellent dimensional tolerance and require almost no finishing and assembly operations. But new variations and emerging innovations of conventional injection molding have been continuously developed to offer special features and benefits that cannot be accomplished by the conventional injection molding process. This study aims to improving the life of stereolithography injection mold.

scholarly journals THE STRESS EVALUATION OF THE TOGGLE MECHANISM OF THE THREEPLATEN INJECTION MOLDING MACHINE BY R-F COUPLED MBD MODEL

2020 ◽  
Vol 9 (6) ◽  
pp. 5-9
Keyword(s):  
Stress Distribution ◽  
Injection Molding ◽  
Mechanical Behavior ◽  
Fe Model ◽  
Injection Mold ◽  
Molding Machine ◽  
Injection Molding Machine ◽  
Stress Evaluation ◽  
Simulation Tools ◽  
Flexible Parts

The aim of the paper is to evaluate the mechanical behavior of the toggle mechanism of an injection mold machine. Different commercial simulation tools were combined to create a rigid-flexible (R-F) coupled multibody (MBD) model for the toggle system of the injection mold machine. Several flexible parts were included by importing the MNF files of the parts generated by the FE model. Then the R-F coupled MBD model of the toggle system were developed in the MBS software. The stress distribution of each component of the toggle system was illustrated. The results show that less stress is loaded at the middle of all the levers. Greater load is applied at the end of the crosshead toggle lever. Finally, some suggestions are given for the lightweight improvement of the toggle system.

Education in plastics manufacturing: Aluminum mold making and injection molding

2021 ◽  
pp. 030641902110511
Author(s):  
Robert Kelley Bradley
Keyword(s):  
Injection Molding ◽  
Modern World ◽  
Negative Consequences ◽  
Molding Machine ◽  
Injection Molding Machine ◽  
Design Project ◽  
Senior Design ◽  
Mold Making ◽  
Manufacturing Methods

Plastics are ubiquitous in the modern world with both positive and negative consequences. Students will benefit from understanding how plastics are manufactured. They will be more aware of the material and have a better appreciation for the need to recycle. Injection molding is one of the primary plastics manufacturing methods and hobby scale injection molding machines can be used to educate students about plastics and polymers. Furthermore, it is possible to create custom injection molds from aluminum using similar hobby scale tools. In this article, experiences introducing injection molding in the classroom and experiences with mold making as a senior design project are presented. Suggestions and procedures for using the injection molding machine and for creating custom aluminum molds are covered.

CAE-Based Injection Molding Analysis of Mobile Phone Battery Cover

2012 ◽  
Vol 538-541 ◽  
pp. 1130-1133
Author(s):  
Jun Kai Yang ◽  
Yun Jie Xu
Keyword(s):  
Injection Molding ◽  
Mobile Phone ◽  
Product Quality ◽  
Product Design ◽  
Cell Phone ◽  
Production Costs ◽  
Improve Quality ◽  
Cooling Process ◽  
Cover Design ◽  
Plastic Parts

In this thesis, CAE software is used to carry out the injection molding analysis of mobile phone battery cover and simulate the filling and cooling process so as to determine the formability of plastic parts and product quality. In the process of product design, it can also predict possible defects so as to optimize mold structure, save production costs, and improve quality and efficiency of cell phone battery cover design.

scholarly journals A Cost-Effective Method for Rapid Manufacturing a Precision Mold With Microstructures Using Hybrid Manufacturing Technologies

2021 ◽  
Author(s):  
Chil-Chyuan Kuo ◽  
Bo-Han Lin ◽  
Zheng-Ting Luo
Keyword(s):  
Injection Molding ◽  
Dimensional Accuracy ◽  
Cost Effective ◽  
Numerical Control ◽  
Rapid Manufacturing ◽  
Injection Mold ◽  
Molded Part ◽  
Cost Effective Method ◽  
Length Width ◽  
Manufacturing Technologies

Abstract Injection molding is a cost-effective to manufacture molded products by injection molding machine. A precision part with microstructures can be fabricated effectively through a precision mold. In this study, a cost-effective method for rapid manufacturing a precision component and a precision injection mold with microstructures by integrating additive manufacturing, rapid tooling, and computer numerical control milling. It was found that of the dimensional accuracy of a precision component in the length, width, and height can be controlled at approximately 30 µm. Injection molding was performed using an injection mold with microstructures with a microstructure of 950 µm and the dimensional accuracy of a molded part in the length, width, and microstructure can be controlled at approximately 60 µm, 50 µm, and 10 µm, respectively. The remarkable findings of this study can be used for the fabrication of molds or dies efficiently and economically for trial production in the mold industry since the quality of the precision component and the precision mold can meet the standards of the general industry.

scholarly journals Influence of mold design and injection parameters on warpage deformation of thin-walled plastic parts

Polimery ◽  
2021 ◽  
Vol 66 (5) ◽  
pp. 283-292
Author(s):  
Bo Wang ◽  
Anjiang Cai
Keyword(s):  
Injection Molding ◽  
Process Parameters ◽  
Mold Design ◽  
Injection Mold ◽  
Injection Process ◽  
Injection Parameters ◽  
Injection Mold Design ◽  
Thin Walled ◽  
Warpage Deformation ◽  
Plastic Parts

Thin-walled plastic parts are susceptible to deformation during injection molding. Using the example of a notebook battery cover, optimization of the injection mold design and injection process parameters was performed with Moldflow software, which resulted in about 69% reduction of the deformations. Moreover, the uneven material shrinkage during the injection process has been shown to be the main cause of deformations of thin-walled plastic parts.

The Evolution of Augmentative Communication and the Importance of Alternate Access

2011 ◽  
Vol 20 (1) ◽  
pp. 34-37 ◽  
Author(s):  
David Chapple
Keyword(s):  
Augmentative And Alternative Communication ◽  
Cell Phone ◽  
Handheld Devices ◽  
Alternative Communication ◽  
Access Methods ◽  
The Past ◽  
Communication Device ◽  
Internet Browser ◽  
A Cell ◽  
Development Of Language

Abstract Over the past 20 years, there have been many advances in the computer industry as well as in augmentative and alternative communication (AAC) devices. Computers are becoming more compact and have multiple purposes, such as the iPhone, which is a cell phone, mp3 player, and an Internet browser. AAC devices also have evolved to become multi-purpose devices; the most sophisticated devices have functionality similar to the iPhone and iPod. Recently, the idea of having the iPhone and iPad as a communication device was initiated with the development of language applications specifically for this format. It might be true that this idea could become the future of AAC devices; however, there are major access issues to overcome before the idea is a reality. This article will chronicle advancements in AAC devices, specifically on access methods, throughout the years, towards the transition to handheld devices. The newest technologies hold much promise with both features and affordability factors being highly attractive. Yet, these technologies must be made to incorporate alternate access if they are to meet their fullest potential as AAC tools.

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