Advanced Materials Research Vol. 845

Abstract: Purpose The purpose of this paper is to determine lean critical success factors for manufacturing organisations in developing countries.Research methodology This paper is based on an extensive literature review of factors that influence the lean adoption process in developed countries and mapping these factors with lean current issues in developing countries to draw up successful factors suitable for developing countriesFindings The results of the literature review revealed several factors that influence the process of adopting lean manufacturing in developing countries, including the organisational infrastructure, trade agreements, political and economic environments, ability and willingness to change organisational structure and culture and, top management support and commitment.Limitations The recommended lean key factors are a conceptual-based model. An empirical based study is needed to provide practical evidence about the validity of that model

Abstract: This paper presents a preliminary work on a development of dynamic job shop scheduling model. The motivation of the study comes from an urgent need for practical procedures to enable easier and accurate feedback at operational level particularly related to job shop in small and medium-sized companies. A spreadsheet-based scheduling template is formulated and modeled using Microsoft Excel. A job shop benchmark case study available in OR-Library has been chosen to demonstrate the applicability of the basic model. The preliminary result indicating that the proposed spreadsheet model needs further refinement through incorporation of dynamic factors to be obtained from industrial practitioners.

Abstract: Lean manufacturing strategy (LMS) is an acknowledged system that has the capability to realign and effectively focus operational objectives towards achieving higher profitability through improvements by eliminating unneeded or wasteful factors of manufacturing. Implementations of lean within the automotive industry in Malaysia is not far-reaching as expected and is currently being adopted as a pick-and choose system and only applied in certain stages rather than a total systems approach. Thus, not enabling these organizations to fully explore and exploit the systems effectiveness. Even the effective implementation of a single lean tool such as just-in-time can result in significant performance improvements for a firm in question, taking LMS as a total approach reinforces its multiple tools together and the joint value of these complementary LMS tools are significantly greater than the sum of their individual values. Pertinent to this inability to be effective, is the discovery of barriers hindering full adoption of the LMS, this paper attempts to mention and discuss to some extent two of the most crucial elements that persists in its implementation.

Abstract: Production and distribution planning might come as one integrated system or separately managed. The distribution planning may include the storage and handling of products, transportation and delivery of products, and so on. Some industries may have inventory/distribution network which are very complex, due to its distribution network and may also be subjected to specific routing restriction. The restriction may affect the optimization of the performance of the distribution network. The aim of this paper is to present a conceptual model which minimizes the total distribution cost for a multi production plant, multi distribution center and multi retailers under seasonal demand and multi time period. The supply chain under consideration comprises of multi role nodes as the production plant and/or distribution center.

Abstract: Traditional statistical process control (SPC) charting techniques were developed to monitor process status and helping identify assignable causes. Unnatural patterns in the process are recognized by means of control chart pattern recognition (CCPR) techniques. There are a broad set of studies in CCPR domain, however, given the growing doubts concerning the performance of control charts in presence of constrained data, this area has been overlooked in the literature. This paper, reports a preliminary work to develop a scheme for fault tolerant CCPR that is capable of (i) detecting of constrained data that is sampled in a misaligned uneven fashion and/or be partly lost or unavailable and (ii) accommodating the system in order to improve the reliability of recognition.

Abstract: Mobile Augmented Reality (AR), which mixes the real world and the virtual world on hand-held devices, is a growing area of the manufacturing industry. Since mobile AR can be used to augment a users view of an industry plant, it provides alternative solutions for design, quality control, monitoring and control, service, and maintenance in complex process industries, such as the aluminium smelting industry. The objective of this paper is to discuss the integration of mobile AR within an aluminium industrial plant, in order to achieve effective fault detection and diagnosis. The possible integration of mobile AR within an aluminium fault detection and diagnosis system is shown with regard to four main functions, namely (1) plant information system, (2) fault history, (3) interactive troubleshooting, and (4) statistical analysis results. This paper opens up possible future works, where the potential use of mobile AR can be explored as an additional user interface component, for increasing the effectiveness of process monitoring within the aluminium smelting process.

Abstract: Surface roughness indicates the damage of the bone tissue due to bone machining process. Aiming at inducing the least damage, this study evaluates the effect of some cutting conditions to the surface roughness of machined bone. In the turning operation performed, the variables are cutting speed (26 and 45 m/min), feed (0.05 and 0.09 mm/rev), tool type (coated and uncoated), and cutting direction (longitudinal and transversal). It was found that feed did not significantly influence surface roughness. Among the influencing factor, the rank is tool type, cutting speed, and cutting direction.

Abstract: In competitive environment, manufacturers have to come out with innovative solution to market their product including by implementing life cycle engineering concept. Life cycle costing (LCC) is one of the aspects that need to be considered when adapting this concept. In addition, costing is one of the important aspects that need to consider carefully. In order to perform LCC analysis, one of the important steps is estimating costs. Cost estimation model should not only consider pre production and production cost design, manufacturing, assembly but also post production customer use and end of life. Development of cost estimation model or methodology is needed to simplify the LCC analysis so that it able to produce result in short time and more accurate. This paper has review on LCC, cost estimation techniques and several developed cost estimation model in order to determine research gap and research direction on developing a methodology to assessing LCC of membrane system for wastewater filtration.

Abstract: Success indicators in bone drilling include clean, good accuracy drilled holes without damage at the surrounding tissue. This study investigates the influence of cutting parameters in bone drilling against hole accuracy (enlargement diameter, circularity error, and cylindricity error) and surface roughness (Ra). A series of bone drilling experiments was carried out using femur bovine bone and without irrigation. Variations of drill type (high speed steel and coated and uncoated carbide) and cutting speed (19 m/min and 94 m/min) were used as input variables, while the feed rate (0.025 mm/rev) was constant. It was found that coated carbide drill results minimum magnitude on all machining responses. Type of tool gives significant effect on diameter enlargement and surface roughness, yet not on circularity and cylindricity errors. The range of cutting speed evaluated does not give significant effect on any surface integrity measures.

Abstract: Sustainability assessment has received increasing attention in academic, industry and government over the past decades. There are varieties of sustainability assessment has been developed in difference methodology and it is application. In this paper, sustainability assessment using indicators has been introduced for hollow fiber membrane module life cycle. In addition, this paper discussing the determination of proper parameters involved in developing methodology for assessing its sustainability. In order to balancing the sustainability, 3D of sustainability aspect will be considered; environmental, economical and social.