Determining the essential characetristics of Six Sigma Black Belts

A Six Sigma Black Belt (SSBB) plays the role of a full-time team leader responsible for implementing process improvement projects using the Six Sigma methodology (Define-Measure-Analyse-Improve-Control) within the business to drive up customer satisfaction levels and business productivity. Black Belt projects are typically defined so that they can be completed in less than 6 months, and are generally focused on high-priority business issues and are targeted to add $175,000 to$250,000 to the bottom-line of organisations (Snee, 2004). A fully trained BB will be expected to deliver a minimum of $500,000 to well over$1,000,000 in direct cost savings to the bottom-line of an organisation per year (Harry and Schroeder, 2000). Moreover, a BB is expected to complete between 4 to 6 projects per annum depending on the scope of the project, complexity of the project and availability of data. The BB program of study focuses on an understanding of the Six Sigma philosophy, key principles and concepts, tactics, application of tools and techniques, project management skills, etc. So,why the martial arts terminology? The sole function of a BB is to focus on disciplined problem solving using the DMAIC (Define-Measure-Analyse-Improve-Control) methodology and a specific set of tools and techniques with speed (i.e. project completion in a short period of time). The purpose here is to defeat the enemy – variation in processes which lead to customer dissatisfaction (Brue and Howes, 2006)

Winning customer loyalty in an automotive company through Six Sigma: a case study

Six Sigma is a disciplined approach to improving product, process and service quality. Since its inception at Motorola in the mid 1980s Six Sigma has evolved significantly and continues to expand to improve process performance, enhance business profitability and increase customer satisfaction. This paper presents an extensive literature review based on the experiences of both academics and practitioners on Six Sigma, followed by the application of the Define, Measure, Analyse, Improve, Control (DMAIC) problem-solving methodology to identify the parameters causing casting defects and to control these parameters. The results of the study are based on the application of tools and techniques in the DMAIC methodology, i.e. Pareto Analysis, Measurement System Analysis, Regression Analysis and Design of Experiment. The results of the study show that the application of the Six Sigma methodology reduced casting defects and increased the process capability of the process from 0.49 to 1.28. The application of DMAIC has resulted in a significant financial impact (over U.S. $110 000 per annum) on the bottom-line of the company

Statistical thinking and its role for industrial engineers and managers in the 21st century

Purpose – The purpose of this paper is to demonstrate the vital linkage between six sigma and statistical thinking. The paper also explains the key characteristics required for statistical thinking and some of the common barriers in the implementation of the key principles of statistical thinking. Design/methodology/approach – The objectives of the paper have been achieved in several ways. The paper provides the key principles of statistical thinking and then discusses the possible reasons for lack of statistical thinking in modern organizations. The paper then illustrates the linkage between the statistical principles and six sigma. The tools and techniques of six sigma used within statistical thinking are also highlighted in the paper. Findings – The key findings of this work include the relationship between the two key powerful methodologies: six sigma and statistical thinking, reasons for lack of applications of statistical thinking in organizations, the future role of managers and engineers in companies with regard to statistical thinking era and the commonalities in the application of tools and techniques between these two methodologies. Research limitations/implications – The paper needs more justification through surveys and case examples and this will be the future step of this study. In fact, one of the co-authors is currently conducting a survey in the UK organizations to investigate the relationship between statistical thinking and six sigma. Practical implications – The paper is very practical in nature and it does yield a great value to those people who are currently embarking on six sigma program, especially at senior manager and executive levels. Originality/value – Very little is published in the field of statistical thinking in the UK academic world. In fact, there is a cognitive gap in this field and this paper certainly forms a good platform for further research that will enable to bridge the gap

Six sigma in service organisations: Benefits, challenges and difficulties, common myths, empirical observations and success factors

Purpose – Six sigma has received considerable attention over the last four years in the UK service sector. The purpose of this paper is to present a review of the literature on six sigma as applied to the service industry, followed by a presentation of the key findings obtained from a pilot survey carried out in UK service organisations. Design/methodology/approach – This paper presents some of the most common challenges, difficulties, common myths, and implementation issues in the application of six sigma in service industry settings. It also discusses the benefits of six sigma in service organisations, tools and techniques of six sigma for service performance improvement, key criteria for the selection of winning projects, followed by the results of a six sigma pilot survey in UK service organisations. Findings – The results of the study show that the majority of service organisations in the UK have been engaged in a six sigma initiative for just over three years. The average sigma quality level of the companies was around 2.8 (approximately 98,000 DPMO). Management commitment and involvement, customer focus, linking six sigma to business strategy, organisational infrastructure, project management skills, and understanding of the six sigma methodology are the most critical factors for the successful introduction, development and deployment of six sigma. Originality/value – This paper reports the first study on the status of six sigma implementation in UK service organisations. The findings and key observations of this paper will be of immense value to the six sigma academic and research community