PRODUCT AND TOOLING DESIGN OF SLANTED GLASS INJECTION MOULD FOR VISUALIZATION OF FLOW MOLTEN PLASTIC

2015 ◽  
Vol 77 (21) ◽  
Author(s):  
M. Amran ◽  
M. Faizal ◽  
M. Shahir ◽  
R. Izamshah ◽  
Sivaraos Sivaraos
Keyword(s):  
Design Process ◽  
Cooling System ◽  
Plastic Material ◽  
Injection Mould ◽  
Plastic Materials ◽  
Draft Angle ◽  
Mould Cavity ◽  
Tooling Design ◽  
Plastic Injection Mould ◽  
Injection Molded Plastic

A two-plate plastic injection mould having a new method of embedded slanted glass at mould cavity side is designed where it can be used to visualize the flow of molten plastic material moving inside the mould cavity. Due to observation of molten plastic materials cannot be done in actual mould made from metal, therefore slanted glass mould is developed. This project shows the design process of slanted glass mould from initial plastic product design until mould tooling design. The plastic product and the slanted glass mould were designed using SolidWorks software. In designing and producing the injection molded plastic product, various factors are needed to be considering such as corner radius, draft angle and the product wall thickness  Two different geometrical shapes of plastic products  have been designed that were the flat and ring plastic product. Meanwhile for mould tooling design, the method to capture the flow pattern of molten plastic materials is the most considering factor in this project. Others considering factors included are location of feeding system, tolerance fitting and water cooling system. Thus, this project helps mould designer the important of design process should be considered during plastic design and tooling design especially for slanted glass injection mould.

Applications on Nanocomposite Coating Technology in Plastic Injection Mould Cavity Surface Treatment

2011 ◽  
Vol 418-420 ◽  
pp. 812-817
Author(s):  
Bin Wang ◽  
Jing Li ◽  
Chang Wang ◽  
Xiu Xin Hu
Keyword(s):  
Surface Treatment ◽  
Surface Engineering ◽  
Nanocomposite Coating ◽  
Cavity Surface ◽  
Injection Mould ◽  
Coating Technology ◽  
Abrasive Resistance ◽  
Mould Cavity ◽  
Plastic Injection Mould ◽  
Plastic Injection

Nano surface engineering is a protection technology using nanometer material and nanometer technology, pointing at failure forms, characteristics and mechanism, comprehensively using a variety of traditional surface engineering technology. Nanocomposite coating technology which develops on the basis of the traditional composite coating technology was briefly introduced in the article. The research of application nanocomposite coating technology in plastic injection mould cavity surface treatment has just started. The nanocomposite coating technology was compared with the ordinary nickel electro-brush coating and the basic approach which realizes nanometer on the mould cavity was described. The advantages of nanocomposite coating were comprehensively and effectively explained. It can increase the coating thickness and hardness, improve the abrasive resistance, fatigue resistance and corrosion resistance of the plastic injection mould cavity, thereby enhancing the service life of mould.

Automatic Synthesis of Cooling System Design for Plastic Injection Mould

2001 ◽  
Author(s):  
C. L. Li
Keyword(s):  
System Design ◽  
Cooling System ◽  
Research Area ◽  
Plastic Part ◽  
Injection Mould ◽  
Design Synthesis ◽  
Initial Design ◽  
Important Research Area ◽  
Plastic Injection Mould ◽  
Plastic Injection

Abstract This paper reports an automatic algorithm that synthesizes the design of cooling system for plastic injection mould. Automation in cooling system design is an important research area that has not received much attention. In the proposed method, a building block approach to design synthesis is adopted. Given a plastic part and a library of pre-defined cooling sub-systems, the algorithm first decomposes the part into features known as cooling features. For each cooling feature, the corresponding cooling sub-systems are retrieved from the library. The cooling sub-systems are then modified and combined into an initial design of the cooling system for the entire plastic part. The performance of the initial design is verified by using CMold analysis. A design synthesis program has been implemented and an example is given to illustrate the feasible of the proposed algorithm.

scholarly journals Study of the Biodegrability of Degradable/Biodegradable Plastic Material in a Controlled Composting Environment

2012 ◽  
Vol 19 (3) ◽  
pp. 347-358 ◽  
Author(s):  
Magdalena Vaverková ◽  
František Toman ◽  
Dana Adamcová ◽  
Jana Kotovicová
Keyword(s):  
Plastic Material ◽  
Laboratory Scale ◽  
Biodegradable Plastic ◽  
Preliminary Evaluation ◽  
The Czech Republic ◽  
Chain Stores ◽  
Plastic Bags ◽  
Plastic Materials ◽  
Scale Test

Study of the Biodegrability of Degradable/Biodegradable Plastic Material in a Controlled Composting EnvironmentThe objective of this study was to determine the degrability/biodegradability of disposable plastic bags available on the market that are labeled as degradable/biodegradable and those certified as compost. The investigated materials were obtained from chain stores in the Czech Republic and Poland. Seven kinds of bags (commercially available) were used in this study. One of them was a disposable bag made of HDPE and mixed with totally degradable plastic additive (TDPA additive). Another was a disposable made of polyethylene with the addition of pro-oxidant additive (d2w additive). One was labeled as 100% degradable within various periods of time, from three months up to three years, and four were certified as compostable. The test was carried out in a controlled composting environment. The biodisintegration degree of the obtained pieces was evaluated following a modified version of ČSN EN 14806 Norm "Packaging - Preliminary evaluation of the disintegration of the packaging materials under simulated composting conditions in a laboratory scale test" and a modified version of ČSN EN ISO 20200 "Plastics - Determination of the degree of disintegration of plastic materials under simulated composting conditions in laboratory-scale test" (ISO 20200:2004). The emphasis was put on determination whether the bags are degradable/biodegradable or not.

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