EFFECT OF PET PARISON SIZE ON INJECTION MOULDING MOULD DESIGN

2015 ◽  
Vol 76 (6) ◽  
Author(s):  
Najiy Rizal Suriani Rizal ◽  
Aidah Jumahat ◽  
Ummu Raihanah Hashim ◽  
Mohd Sobri Omar
Keyword(s):  
Injection Moulding ◽  
Low Cost ◽  
High Volume ◽  
Manufacturing Processes ◽  
Light Weight ◽  
Thermoplastic Material ◽  
High Volume Production ◽  
Volume Production ◽  
Mould Design ◽  
Main Component

Injection molding is one of the most popular manufacturing processes for producing good finishing plastic products with low cost and high volume production, especially for the production of plastic bottles. In order to produce high quality plastic bottle with specific size, the injection moulding mould need to be properly designed. This study is aimed to design injection moulding mould for producing three different sizes of Polyethylene Terephthalate (PET) parison. The actual dimensions of a commercial bottle preform of parisan of 25g weight were measured. PET was used as thermoplastic material because it has good strength and light weight properties. The designing process involved two primary components; (1) Female section consists of cavity plate as the main component and (2) male section consists of core plate as the main component. The effect of parisan size on the mould design was evaluated. Three different designs of female and male sections were constructed using CATIA software based on 15g, 20g and 30g parisan weight. The designs were also compared to the existing mould system of 25g PET parisan. It was shown that the design of insert cavity of female section and core cavity of male section were highly influenced by the size of the preform.

Determination of transverse flexural and shear moduli of chopped carbon fiber tape-reinforced thermoplastic by vibration

2017 ◽  
Vol 52 (3) ◽  
pp. 395-404
Author(s):  
Xiuqi Lyu ◽  
Jun Takahashi ◽  
Yi Wan ◽  
Isamu Ohsawa
Keyword(s):  
Carbon Fiber ◽  
Beam Theory ◽  
Transversely Isotropic ◽  
High Volume ◽  
Bending Test ◽  
Thermoplastic Material ◽  
Shear Moduli ◽  
High Volume Production ◽  
Volume Production

Chopped carbon fiber tape-reinforced thermoplastic material is specifically developed for the high-volume production of lightweight automobiles. With excellent design processability and flexibility, the carbon fiber tape-reinforced thermoplastic material is manufactured by compressing large amounts of randomly oriented, pre-impregnated unidirectional tapes in a plane. Therefore, the carbon fiber tape-reinforced thermoplastic material presents transversely isotropic properties. Transverse shear effect along the thickness direction of carbon fiber tape-reinforced thermoplastic beam has a distinct influence on its flexural deformation. Accordingly, the Timoshenko beam theory combined with vibration frequencies was proposed to determine the set of transverse flexural and shear moduli. Meanwhile, the transverse flexural and shear moduli of carbon fiber tape-reinforced thermoplastic beam were finally determined by fitting all the first seven measured and calculated eigenfrequencies with the least squares criterion. In addition, the suggested thickness to length ratio for the 3-point bending test and Euler–Bernoulli model was given.

scholarly journals Tool Life Performance of Injection Mould Tooling Fabricated by Selective Laser Melting for High-Volume Production

Materials ◽  
2019 ◽  
Vol 12 (23) ◽  
pp. 3910 ◽  
Author(s):  
Kashouty ◽  
Rennie ◽  
Ghazy
Keyword(s):  
Selective Laser Melting ◽  
Injection Moulding ◽  
Dimensional Accuracy ◽  
High Volume ◽  
Operating Conditions ◽  
Composition Analysis ◽  
Stainless Steel 316L ◽  
Laser Melting ◽  
High Volume Production ◽  
Volume Production

Rapid Tooling processes are developing and proving to be a reliable method to compete with subtractive techniques for tool making. This paper investigates large volume production of components produced from Selective Laser Melting (SLM) fabricated injection moulding tool inserts. To date, other researchers have focused primarily on investigating the use of additive manufacturing technology for injection moulding for low-volume component production rather than high volume production. In this study, SLM technology has been used to fabricate four Stainless Steel 316L tool inserts of a similar geometry for an after-market automotive spare part. The SLM tool inserts have been evaluated to analyse the maximum number of successful injections and quality of performance. Microstructure inspection and chemical composition analysis have been investigated. Performance tests were conducted for the four tool inserts before and after injection moulding in the context of hardness testing and dimensional accuracy. For the first reported time, 150,000 injected products were successfully produced from the four SLM tool inserts. Tool inserts performance was monitored under actual operating conditions considering high-level demands. In the scope of this research, SLM proved to be a dependable manufacturing technique for most part geometries and an effective alternative to subtractive manufacturing for high-volume injection moulding tools for the aftermarket automotive sector.

scholarly journals Economics and Design Approaches for Small Commercial Turbogenerators

1997 ◽  
Author(s):  
Phillip F. Myers
Keyword(s):  
Material Selection ◽  
Low Cost ◽  
High Volume ◽  
Integrated Approach ◽  
Organizational Setting ◽  
Successful Development ◽  
Aerospace Applications ◽  
High Volume Production ◽  
Volume Production ◽  
Almost All

The successful development of small commercial turbogenerators for automotive and other applications presents a major economic challenge. Current aerospace turbogenerators in the 60 kilowatt power range sell for around $500 per kilowatt. Volume automotive turbogenerators prices must be $30 per kilowatt, or less — a 94% reduction. Turbogenerators for aerospace applications have drastically different requirements on almost all important criteria from automotive turbogenerators. The production of commercial turbogenerators requires a radically different organizational setting, mindset, and overhead structure from that necessary for the aerospace industry. Ground up designs which take an integrated approach to material selection, method of operation, fabrication techniques, supplier base, assembly methods, and low cost overheads will be necessary for commercial success. Significant innovation and simplification, and the natural effects of high volume production are also required. Success will likely require lean, agile, innovative, and specialized organizations.

Printable Electronics: Patterning of Conductive Materials for Novel Applications

2004 ◽  
Vol 828 ◽  
Author(s):  
Anupama Karwa ◽  
Yu Xia ◽  
Daniel M. Clark ◽  
Thomas W. Smith ◽  
Bruce E. Kahn
Keyword(s):  
Materials Science ◽  
Low Cost ◽  
High Volume ◽  
Production Volume ◽  
Wearable Electronics ◽  
Conductive Materials ◽  
High Volume Production ◽  
Volume Production ◽  
Novel Applications ◽  
Printing Processes

ABSTRACTThe convergence of materials science, printing, and electronics promises to offer low cost and high volume production of devices such as transistors, RFID tags, wearable electronics and other novel applications. Although a number of “soft lithographic” techniques have been used to make these devices, they are slow and have a limited production volume [5], [14-15].Here high volume printing processes like rotary letterpress, flexography and offset lithography have been investigated for patterning conductive materials [1]. The synthesis and development of conducting inks using electrically functional polymers has been studied. The feasibility of using such inks in high volume printing processes has been studied. An attempt has been made to print conductive interdigitated electrodes using these inks to obtain uniform coating properties and appropriate electrical characteristics. Various process parameters like type of substrate, inking time and speed, printing pressure, printing force and ink formulation have been investigated.

Satellite-on-a-Chip Development for Future Distributed Space Missions

2006 ◽  
Author(s):  
David J. Barnhart ◽  
Tanya Vladimirova ◽  
Martin N. Sweeting
Keyword(s):  
Low Cost ◽  
High Volume ◽  
Cmos Technology ◽  
Space Mission ◽  
Space Missions ◽  
Small Satellites ◽  
High Volume Production ◽  
Volume Production ◽  
Detailed Assessment ◽  
Distributed Space Systems

A new dimension of space mission architectures is emerging where hundreds to thousands of very small satellites will collectively perform missions in a distributed fashion. To support this architecture, high volume production of femto-scale satellites at low cost is required. This paper reviews current and emerging distributed space systems. A conceptual design of SpaceChip, which is a monolithic “satellite-on-a-chip” based on commercial CMOS technology is detailed. Assessment of the SpaceChip design is given and its use in future distributed space missions is discussed.

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