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Showing 1 to 20 of 63 for “"Injection moulding"”.
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Numerical simulation of the plastics injection moulding process
… is widely used for the simulation of the injection moulding process. The influence of the Hele-Shaw approximations is, however, unknown. A two-dimensional numerical model based on the Hele-Shaw formulation, and a model based on the Navier-Stokes equations without the Hele-Shaw …
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In-line process measurements for injection moulding control. In-line rheology and primary injection phase process measurements for injection moulding of semi-crystalline thermoplastics, using instrumented computer monitored injection moulding machines, for potential use in closed loop process control
… measurements are studied, during the primary injection phase, as a potential aid to closed loop process control for injection moulding. The feasibilities of attaining rheological and process measurements of sufficient accuracy and precision for use in process control are investigated. The …
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Development of water-soluble PEG-based binder systems for Ti Metal Injection Moulding
… can justify the costs. Therefore, Metal Injection Moulding (MIM) has received increasing attention in recent decades to prepare Ti products as a cost-effective and competitive processing route. Nevertheless, impurity control is still a great challenge to Ti Metal Injection Moulding (Ti- …
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Application of restaurant waste lipids (RWL) as a binder component in metal injection moulding
… (RWL) is introduced as binder component in metal injection moulding since it’s contains rich amounts of free fatty acids which is suitable as secondary binder components. Different binder formulation of RWL and Polypropylene (PP) were prepared as the binders and the mixture of these binders with …
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DEVELOPMENT OF FUZZY-NEURO APPROACH BASED INTELLIGENT SYSTEMS FOR PARAMETER RESETTING OF INJECTION MOULDING
Plastic injection moulding is a commonly used manufacturing process due to its mass production capacity and relatively low production cost per part. However, process parameter setting for moulding defect correction is a complex and difficult task since a large number of factors ranging from part …
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Investigation of mould design and process parameter optimisation of plastic injection moulding for thin wall part
In plastic injection moulding industries such as automotive, packaging and medical, demands for thin wall parts increases for the reason of light weight, lower cycle time, lower part cost and higher productivity. However, a lot of challenges faced by the moulders since the mould and processing …
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Investigation of injection moulding for novel drug delivery systems. An investigation into the use of injection moulding to produce pharmaceutical dosage forms and to understand the relationship between materials, processing conditions and performance, in particular drug release and stability
The feasibility of the injection moulding (IM) was explored for the development of novel drug delivery systems. Controlled release formulations were developed using a substituted cellulose derivative, hydroxypropyl methyl cellulose acetate succinate (HPMCAS) and a graft co-polymer (Soluplus®). BCS …
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Fibre Length Distribution and Dispersion during the Injection Moulding Process: An experimental study evaluating fibre length attrition and dispersion during processing of long glass fibre reinforced polymer composites in injection moulding including an evaluation of long glass fibre measurement techniques
… length dispersion and distribution within the injection moulding process of long glass fibre reinforced polypropylene, sponsored by Autodesk Simulation. The primary material used in this investigation was a 15 mm long glass fibre reinforced polypropylene consisting of two fibre content levels, …
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The Formulation of Titanium - based Metal Feedstocks and the Fabrication of Parts using the Powder Injection Moulding Process
… about without innovative technologies. Plastic injection moulding has long held a place in NZ manufacturing to produce large quantities of complex parts and holds the key to such innovation. Titanium metal parts were fabricated by injection moulding titanium based metal powder feedstock followed …
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The introduction of a new manufacturing facility for plastic injection moulding at Acco-Rexel Ltd', Llangeinor, South Wales
… , Acco-Rexel Ltd saw the need to re-invest in an injection moulding facility to manufacture components for its high volume stapling machine products. Injection moulding in itself is not new, but modern manufacturing methods such as Just-In-Time(small batch manufacturing) are still being developed …
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Effect of Process Parameters and Material Attributes on Crystallisation of Pharmaceutical Polymeric Systems in Injection Moulding Process. Thermal, rheological and morphological study of binary blends polyethylene oxide of three grades; 20K, 200K and 2M crystallised under various thermal and mechanical conditions using injection moulding
… of a polymeric system, processed via injection moulding, was presented and a sample of response optimisation was introduced which can be mimicked to suite a specific need. Three grades of pure polyethylene oxide; 20K, 200K and 2M, were first characterised using differential scanning …
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Development of an aluminium filled epoxy insert using perfactory rapid prototyping technique and electroless nickel plating for low volume plastic injection moulding
… a rapid tool for low volume production plastic injection moulding is designed, developed, and tested on an injection moulding machine. The tool is designed as a cavity insert of injection mould for plastic parts by an indirect rapid tooling approach. The plastic part is modelled in a CAD system …
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A service orientated architecture and wireless sensor network approach applied to the measurement and visualisation of a micro injection moulding process. Design, development and testing of an ESB based micro injection moulding platform using Google Gadgets and business processes for the integration of disparate hardware systems on the factory shop floor
… services as well as allowing the Micro Injection Moulding (µIM) process to be monitored on the web through service and data integration. An Enterprise Service Bus (ESB) based middleware layer integrates the Wireless Sensor Network (WSN) based environmental and simulated machine process …
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The effect of chemical treatment, fibre length, fibre content and injection moulding parameters to uv irradiation resistance of oil palm fibre reinforced composites
… content, fibre treatment, coupling agent and injection moulding parameter to ultraviolet (UV) light resistance of this composite and also the optimum setting of them were investigated. The UV resistance was examined via the change of mechanical properties after UV exposured in the UV …
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Gas assisted injection moulding: Experiment and simulation. Industrial machine experimental studies of the effect of process variables on gas bubble formation, and with simulation based upon a pseudo-concentration method.
The gas assisted injection moulding process is an important extension to conventional injection moulding. Gas assist can be applied in a number of ways, but here the penetration of a gas bubble through the polymer melt is of interest. A 3D fi nite element implementation of a pseudo concentration …
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Relationship between the micromorphology and mechanical properties of semicrystalline polypropylene
… conventional and shear controlled orientation injection moulding (SCORIM) techniques by systematically changing carefully controlled processing conditions, mould geometry and compound additives. Both SCORIM and conventional techniques were employed for iPP injection moulding using three moulds …
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Bubble dynamics in polymeric foams
… parts to upholstery. They are produced either by injection moulding (of non-reactive polymeric fluids) or reaction injection moulding. We use standard rheological models (Oldroyd B and Pompom) to investigate bubble growth driven by gas diffusion as a model for injection moulding. To model reaction …
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Optimization processability of ss316l used natural hydroxyapatite from waste tilapia fish bones in metal injection molding
… a Natural Hydroxyapatite (NHAP) powder in metal injection moulding. Feedstock were prepared based on water atomized Stainless steel 316L (SS316L) and combination of NHAP powder bind with Low density Polyethylene (LDPE) and Palm stearin (PS). The results of rheological analysis show feedstocks …
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An investigation of the failure mechanisms of thermoplastic composites at various rates of strain and temperatures
… were provided by PLASTAMID (pty) ltd. The injection moulded specimens of polypropylene, polyamide 6-6, 30% talc filled polypropylene, 30% short glass fibre reinforced polypropylene and 30% short glass fibre reinforced polyamide 6-6 were tested in tension, flexure and impact (lzod, Charpy …
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Synergistic artificial neural network scheme for monitoring and diagnosis of multivariate process variation in mean shifts
… in quality control of process in plastic injection moulding part. This process was selected since it less reported in the literature. In the related point of view, this study should be useful in minimizing the cost of waste materials. The result of this study, suggested this scheme has a …
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