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1 – 10 of 83
Article
Publication date: 15 October 2020

Zitong He, Xiaolin Ma, Jie Luo, Anoop Kumar Sahu, Atul kumar Sahu and Nitin Kumar Sahu

Advanced manufacturing machines (AMMs) are searched as a momentous asset across the manufacturing societies for quenching and addressing the production units under economical…

Abstract

Purpose

Advanced manufacturing machines (AMMs) are searched as a momentous asset across the manufacturing societies for quenching and addressing the production units under economical circumstances, i.e. production of high-quality of goods under feasible cost. AMMs are significant in holding the managers against their rivals and competitors with high profit margins. The authors developed the decision support mechanism/portfolio (DSM-P) consist of knowledge-based cluster approach with a dynamic model. The purpose of research work is to measure overall economic worth of AMMs under objective and grey-imperfect (mixed) data by exploring the proposed DSM-P.

Design/methodology/approach

The authors developed the DSM-P that consist of knowledge-based cluster, three multi-criteria decision-making (MCDM) techniques-1-2-3 with complementary grey relational analysis-4(GRA), approach with a dynamic model (complied by technical plus cost and agility measures of AMMs). The proposed DSM-P enables the manager to map the overall economic worth of candidate AMMs under objective and grey-mixed data.

Findings

The presented DSM-P assist the managers for handling the selection problem of AMMs, i.e. CNCs, robots, automatic-guided vehicle, etc under mixed (objective cum grey) data. To enable the readers for intensely understand the work, the utility of proposed approach is displayed by illustrating a polar robot evaluation and selection problem. It is ascertained that the robot candidate-11 alternative is fulfilling the entire technical cum cost and agility measures.

Originality/value

The DSM-P provides more precise and reliable outcomes due to a usage of the dominance theory. Under the dominance theory, the ranks are obtained by MCDM techniques-1-2-3 are compared with ranks gathered by the GRA-4 under objective cum grey data, formed the novelties in presented research work. From a future perspective, the grey-based models in DSM-P can be built/extended/constructed more extensive and can be simulated by the same approach.

Article
Publication date: 1 February 1991

Andrew Lee‐Mortimer

NCR (Manufacturing) Ltd, the sole manufacturer of the company's Automated Teller Machines (ATMs), sees the 1990s as a demanding challenge. The Dundee, Scotland plant, with 36% of…

Abstract

NCR (Manufacturing) Ltd, the sole manufacturer of the company's Automated Teller Machines (ATMs), sees the 1990s as a demanding challenge. The Dundee, Scotland plant, with 36% of the world's ATM market (excluding Japan) and the 1990 winner of the Best UK Factory Award, is aiming to become the undisputed leader. To improve upon its existing position, the site is actively pursuing improvements to its design‐to‐manufacture cycle — Design For Manufacture and Assembly (DFMA) is a key part of this strategy.

Details

The TQM Magazine, vol. 3 no. 2
Type: Research Article
ISSN: 0954-478X

Content available

Abstract

Details

Pigment & Resin Technology, vol. 38 no. 1
Type: Research Article
ISSN: 0369-9420

Article
Publication date: 1 May 1990

Kenneth Andrew

This monograph covers a number of key articlesand presentations by the author over the lastdecade. The points contained in them reflect aclear belief based on experience of…

Abstract

This monograph covers a number of key articles and presentations by the author over the last decade. The points contained in them reflect a clear belief based on experience of creating significant cultural change so that banks become more market‐driven and customer‐orientated. Many of the forecasts made in the articles have become a reality in the marketplace. This monograph begins with a description of changes over the last decade: the introduction of the marketing function into banks, consumer responses, new competitors, technological developments, and the impact of Government. Marketing has faced many difficulties in the banking industry and competitive breakthroughs have not been easy to achieve. Many leaders in the industry believe in business/marketing strategy evolving in close association with IT planning – this is the second topic, IT support may be crucial. The importance of advertising and management of agency relationships is the subject of Chapter 3 – how can it be effectively used? Chapter 4 looks at the ways in which the consumer is presently getting a better deal; Chapter 5 describes the marketing success of the NatWest Piggy Bank within the context of a changing marketing culture. A wider repertoire of marketing techniques are used in the USA (Chapter 6) but if they are to be used in the same way here then the situation will need to approximate more closely to that of the USA – credit and credit cards are the particular focus and the US market is more aggressive. Chapters 7‐9 look at the future of financial services marketing from the retailer′s perspective – the retailer′s detailed approach to a possible new business has distinctive strengths, but their actual opportunities in this market may be restricted to an extent by, for example, inexperience and so lower credibility as vendors of some specialised services like investment management. Chapter 10 appraises the value and strategic nature of market research. Chapter 11 considers the movement of building societies into the wider personal financial services marketplace, the product′s role in the marketing mix, and the impact of the Single Market in Europe. Chapter 12 singles out the cost‐effective technique of automated vetting of customers′ creditworthiness from the special viewpoint of the building society. The monograph concludes with a discussion of the changing market and future prospects: the world of finance is no longer simple; money is no longer the common denominator; the consumer is now the focus; competition to provide services is fierce; the future is exciting!

Details

International Journal of Bank Marketing, vol. 8 no. 5
Type: Research Article
ISSN: 0265-2323

Keywords

Article
Publication date: 8 October 2018

AMM Ahsan, Ruinan Xie and Bashir Khoda

The purpose of this paper is to present a topology-based tissue scaffold design methodology to accurately represent the heterogeneous internal architecture of tissues/organs.

Abstract

Purpose

The purpose of this paper is to present a topology-based tissue scaffold design methodology to accurately represent the heterogeneous internal architecture of tissues/organs.

Design/methodology/approach

An image analysis technique is used that digitizes the topology information contained in medical images of tissues/organs. A weighted topology reconstruction algorithm is implemented to represent the heterogeneity with parametric functions. The parametric functions are then used to map the spatial material distribution following voxelization. The generated chronological information yields hierarchical tool-path points which are directly transferred to the three-dimensional (3D) bio-printer through a proposed generic platform called Application Program Interface (API). This seamless data corridor between design (virtual) and fabrication (physical) ensures the manufacturability of personalized heterogeneous porous scaffold structure without any CAD/STL file.

Findings

The proposed methodology is implemented to verify the effectiveness of the approach and the designed example structures are bio-fabricated with a deposition-based bio-additive manufacturing system. The designed and fabricated heterogeneous structures are evaluated which shows conforming porosity distribution compared to uniform method.

Originality/value

In bio-fabrication process, the generated bio-models with boundary representation (B-rep) or surface tessellation (mesh) do not capture the internal architectural information. This paper provides a design methodology for scaffold structure mimicking the native tissue/organ architecture and direct fabricating the structure without reconstructing the CAD model. Therefore, designing and direct bio-printing the heterogeneous topology of tissue scaffolds from medical images minimize the disparity between the internal architecture of target tissue and its scaffold.

Details

Rapid Prototyping Journal, vol. 24 no. 7
Type: Research Article
ISSN: 1355-2546

Keywords

Article
Publication date: 11 September 2009

Stephen Fox

The purpose of this paper is to inform information and communication design for multi‐disciplinary multi‐national projects through the presentation of examples and recommendations…

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Abstract

Purpose

The purpose of this paper is to inform information and communication design for multi‐disciplinary multi‐national projects through the presentation of examples and recommendations based on lessons learned.

Design/methodology/approach

Experiences from action research involving field study with 20 organizations, together with survey research involving 30 external experts.

Findings

Shared understanding in multi‐disciplinary multi‐national projects can be better enabled through the application of information and communication design.

Research limitations/implications

The action research involved only two cases.

Practical implications

Project participants need to have shared understandings in order to achieve project objectives. There are formidable inherent barriers to shared understanding in multi‐disciplinary multi‐national projects. Generic methods for the communication of information; such as use of gestures, speaking business English, and application of standard process charting; can be ineffective. Particularly, when inherent challenges are exacerbated by the introduction of new technological and/or business concepts. Information design seeks to improve the effectiveness of information. Communication design is concerned with the selection of media most suitable for carrying particular information to specific audiences/recipients.

Originality/value

The originality of the research reported in this paper is that it encompasses: inherent challenges in establishing shared understanding; limitations of generic methods for the communication of information; issues underlying information and communication design; as well as two cases of multi‐disciplinary multi‐national projects. The value of this paper is that it includes practical examples to inform information and communication design by personnel in project businesses. Further, practical recommendations for reducing time and cost are provided. Furthermore, these practical recommendations are related to the challenges highlighted by established theory.

Details

International Journal of Managing Projects in Business, vol. 2 no. 4
Type: Research Article
ISSN: 1753-8378

Keywords

Article
Publication date: 3 December 2018

Kanwal Jit Singh, Inderpreet Singh Ahuja and Jatinder Kapoor

This review paper reveals the literature on ultrasonic, chemical-assisted ultrasonic and rotary ultrasonic machining (USM) of glass material. The purpose of this review paper is…

Abstract

Purpose

This review paper reveals the literature on ultrasonic, chemical-assisted ultrasonic and rotary ultrasonic machining (USM) of glass material. The purpose of this review paper is to understand and describe the working principle, mechanism of material removal, experimental investigation, applications and influence of input parameters on machining characteristics. The literature reveals that the ultrasonic machines have been generally preferred for the glass and brittle work materials. Some other non-traditional machining processes may thermally damage the work surface. Through these USM, neither thermal effects nor residual stresses have been generated on the machined surface.

Design/methodology/approach

Various input parameters have the significant role in machine performance characteristics. For the optimization of output response, several input parameters have been critically investigated by the various researcher.

Findings

Some advance types of glasses such as polycarbonate bulletproof glass, acrylic heat-resistant glass and glass-clad polycarbonate bulletproof glass still need some further investigation because these materials have vast applications in automobile, aerospace and space industries.

Originality/value

Review paper will be beneficial for industrial application and the various young researcher. Paper reveals the detail literature review on traditional ultrasonic, chemical assisted ultrasonic and rotary USM of glass and glass composite materials.

Details

World Journal of Engineering, vol. 15 no. 6
Type: Research Article
ISSN: 1708-5284

Keywords

Book part
Publication date: 25 November 2019

Luis F. Alvarez León

A wave of technological change in the first decades of the twenty-first century is prefiguring a fundamental restructuring of society. Key among the driving forces behind such…

Abstract

A wave of technological change in the first decades of the twenty-first century is prefiguring a fundamental restructuring of society. Key among the driving forces behind such change are powerful technologies with the potential to exert major transformations on a range of human activities and, crucially, to do so without direct human intervention. The technologies collectively referred to as Artificial Intelligence, or AI represent a productive lens through which to investigate two interrelated transformations: the emergence of self-driving cars and the coming shifts in education. This is in particular because AI’s versatility has led it to be directly applied (and increasingly valued) both in new automated driving technologies, and in the development of new forms of instruction. From the educational perspective, this means that the same technologies that are transforming workforce conditions are also reshaping – directly and indirectly – the approaches, objectives, and experiences of students and educational institutions. This chapter lays out how these twin transformations are likely to play out in the case of the automotive industry and the educational pathways of two occupations closely associated with it: automotive engineers and repair technicians. Two key arguments underpin this examination. First, educational programs for these two occupations, (and beyond) should be broadened to develop versatility and adaptability through tools and perspectives that allow people to move vertically within organizations and laterally across industries in the face of rapid technological change. Second, these educational programs must explicitly tackle AI and the coming technological revolution from a variety of dimensions that connect technical skills acquisition with the context on how these technologies are incorporated in society, how they are governed, and what are the various responses to them. This will allow students and professionals to navigate a rapidly changing labor landscape better while endowing them with the vocabulary to actively participate in the debates that shape its construction.

Details

The Educational Intelligent Economy: Big Data, Artificial Intelligence, Machine Learning and the Internet of Things in Education
Type: Book
ISBN: 978-1-78754-853-4

Keywords

Article
Publication date: 13 September 2023

Abhinav Shard, Mohinder Pal Garg and Vishal Gupta

The purpose of this study is to explore the machining characteristics of electrical discharge machining (EDM) when a tool is fabricated using powder metallurgy. Because pure Cu…

Abstract

Purpose

The purpose of this study is to explore the machining characteristics of electrical discharge machining (EDM) when a tool is fabricated using powder metallurgy. Because pure Cu tools obtained using conventional machining pose problems of high tool wear rate, tool oxidation causes loss of characteristics in tool shape.

Design/methodology/approach

The research investigation carried out experiments planned through Taguchi’s robust design of experiments and used analysis of variance (ANOVA) to carry out statistical analysis.

Findings

It has been found that copper and chromium electrodes give less metal removal rate as compared to the pure Cu tool. Analytical outcomes of ANOVA demonstrated that MRR is notably affected by the variable’s polarity, peak current, pulse on time and electrode type in the machining of EN9 steel with EDM, whereas the variables pulse on time, gap voltage and electrode type have a significant influence on EWR. Furthermore, the process also showed that the use of powder metallurgy tool effectively reduces the value of SR of the machined surface as well as the tool wear rate. The investigation exhibited the possibility of the use of powder metallurgy electrodes to upgrade the machining efficiency of EDM process.

Research limitations/implications

There is no major limitation or implication of this study. However, the composition of the powders used in powder metallurgy for the fabrication of tools needs to be precisely controlled with careful control of process variables during subsequent fabrication of electrodes.

Originality/value

To the best of the authors’ knowledge, this is the first study that investigates the effectiveness of copper and chromium electrodes/tools fabricated by means of powder metallurgy in EDM of EN9 steel. The effectiveness of the tool is assessed in terms of productivity, as well as accuracy measures of MRR and surface roughness of the components in EDM machining.

Details

World Journal of Engineering, vol. ahead-of-print no. ahead-of-print
Type: Research Article
ISSN: 1708-5284

Keywords

Article
Publication date: 27 April 2022

Hayri Sezer, Joseph Tang, AMM Nazmul Ahsan and Sudhir Kaul

The purpose of this study is to develop a novel comprehensive three-dimensional computational model to predict the transient thermal behavior and residual stresses resulting from…

Abstract

Purpose

The purpose of this study is to develop a novel comprehensive three-dimensional computational model to predict the transient thermal behavior and residual stresses resulting from the layer-by-layer deposition in the direct metal laser sintering process.

Design/methodology/approach

In the proposed model, time integration is performed with an implicit scheme. The equations for heat transfer are discretized by a finite volume method with thermophysical properties of the metal powder and an updated convection coefficient at each time step. The model includes convective and radiative boundary conditions for the exposed surfaces of the part and constant temperatures for the bottom surface on the build plate. The laser source is modeled as a moving radiative heat flux along the scanning pattern, while the thermal gradients are used to calculate directional and von Mises residual thermal stresses by using a quasi-steady state assumption.

Findings

In this study, four different scanning patterns are analyzed, and the transient temperature and residual thermal stress fields are evaluated from these patterns. It is found that the highest stresses occur where the laser last leaves off on its scanning pattern for each layer.

Originality/value

The proposed model is designed to capture the layer-by-layer deposition for a three-dimensional geometry while considering the effect of the instantaneous melting of the powder, melt pool, dynamic calculation of thermophysical properties, ease of parametrization of various process parameters and the vectorization of the code for computational efficiency. This versatile model can be used for process parameter optimization of other laser powder bed fusion additive manufacturing techniques. Furthermore, the proposed approach can be used for analyzing different scanning patterns.

Details

Rapid Prototyping Journal, vol. 28 no. 9
Type: Research Article
ISSN: 1355-2546

Keywords

1 – 10 of 83