Results 221 to 230 of about 1,925,273 (264)
A methodology for shrinkage measurement in micro-injection moulding [PDF]
Polymer Testing, 2013 Abstract The aim of this paper is to provide a method for measuring shrinkage in micro injection moulded (μ-IM) parts – no standardised approach being reported as yet in the literature. This study investigates the feasibility of implementing the international standards used to investigate shrinkage in conventional (macro) moulding at the micro-scale.
Jeffrey R Alcock
exaly +5 more sources
Micro Injection Moulding Process Parameter Tuning [PDF]
Procedia CIRP, 2015 AbstractThis paper focuses on tuning the micro injection moulding process parameters. In this study four process parameters namely, barrel temperature, mould temperature, holding pressure and injection speed were considered. In order to capture their behaviour a L16 Orthogonal Array with two levels for each parameter was employed to produce the design ...
Christian Griffiths
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Part mass and shrinkage in micro injection moulding: Statistical based optimisation using multiple quality criteria [PDF]
Polymer Testing, 2013 Purpose: The aim of this paper is to optimise process conditions in micro injection moulding (m-IM) to minimise shrinkage whilst maximising part mass.
Usama Attia, Jeffrey R Alcock
exaly +2 more sources
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Investigation of surface treatment effects in micro-injection-moulding
International Journal of Advanced Manufacturing Technology, 2009Micro-injection-moulding as a replication method is one of the key technologies for micro-manufacture. An important stage in micro-injection- moulding which can affect the accuracy and mechanical properties of the produced components is part de-moulding.
Samuel Bigot +2 more
exaly +5 more sources
Micro Injection Moulding Process and Product Characterization
Volume 7: 5th International Conference on Micro- and Nanosystems; 8th International Conference on Design and Design Education; 21st Reliability, Stress Analysis, and Failure Prevention Conference, 2011Due to its high efficiency for the large scale production of polymeric parts, micro injection moulding is one of the key technologies of the new millennium. Although a lot of researches have been conducted to identify the most effective processing conditions for micro injection moulding, the comprehension of the influence of all parameters on the ...
RSurace +5 more
openaire +3 more sources
Plastics, Rubber and Composites, 2007
AbstractAn analysis of the effect of process parameters on the height replication of microstructures on lightguiding plates produced by micro-injection moulding (MIM) and micro-injection–compression moulding (MICM) is presented. The plates, of the size employed for LCD displays on digital cameras, feature microstructures with a radius from 100 to 300μm,
exaly +2 more sources
AbstractAn analysis of the effect of process parameters on the height replication of microstructures on lightguiding plates produced by micro-injection moulding (MIM) and micro-injection–compression moulding (MICM) is presented. The plates, of the size employed for LCD displays on digital cameras, feature microstructures with a radius from 100 to 300μm,
exaly +2 more sources
New plastification concepts for micro injection moulding
Microsystem Technologies, 2002Until now there are no suitable injection moulding machines available for the production of single micro parts, so injection moulders produce big, but precise sprues to achieve the necessary shot weight. Very often over 90 % of the polymer are wasted and this waste can be an important cost factor.
W. Michaeli, A. Spennemann, R. Gärtner
openaire +1 more source
Micro Injection Moulding of Polymeric Components
AIP Conference Proceedings, 2011Micro components and micro devices are strongly used in several fields: IT components, biomedical and medical products, automotive industry, telecommunication area and aerospace. A micro component is characterized by small dimensions of the product itself or small dimensions of the functional features.
G. Trotta +7 more
openaire +5 more sources
2017
The micro-injection of plastics is currently the technology with the greatest future potential development for the manufacture of plastics components weighing less than 1 g and with tolerances in the range of 10–100 microns, thus allowing complicated geometries and high surface quality.
Andreu Sancho +2 more
openaire +1 more source
The micro-injection of plastics is currently the technology with the greatest future potential development for the manufacture of plastics components weighing less than 1 g and with tolerances in the range of 10–100 microns, thus allowing complicated geometries and high surface quality.
Andreu Sancho +2 more
openaire +1 more source
The effects of tool surface quality in micro-injection moulding
Journal of Materials Processing Technology, 2007Micro-injection moulding is one of the key technologies for micro-manufacture and is widely used as a cost effective replication method for mass production. The capabilities of this replication technology have to be studied systematically in order to determine the process constraints.
S S Dimov
exaly +5 more sources