scholarly journals Lean Six Sigma for Quality and Performance Improvement of POH Process of Wagon Wheel CTRB

2019 ◽  
pp. 471-486
Author(s):  
Tafadzwa Majoni ◽  
Prashant Tomar
Keyword(s):  
Six Sigma ◽  
Lean Six Sigma ◽  
Premature Failure ◽  
Process Improvements ◽  
Work In Process ◽  
Long Run ◽  
Takt Time ◽  
Improvement Programs ◽  
Lean Tools ◽  
Tools And Techniques

Due to high competition in present world, every end user of a product demand their products to be delivered to them on time with good quality. Hence it is an objective of every industry to satisfy their customer requirements. In the long run, this can be achieved by continuous and constant process improvements. Lean Six Sigma is an overall quality improvement approach combining and capitalizing the strengths of Six Sigma and Lean Management improvement programs. In CTRB periodic overhaul, several process steps and workplaces are required for the job, the movement of inventory between the workplaces can be very time consuming unless it is suitably planned. The major areas that need great attention in this system are WIP (work in process), Takt time and process variability. In this study, focus is on the application of lean tools and techniques with their principles coupled with six sigma DMAIC methodology. The objective of this study is to identify the best possible tools and techniques to tackle premature failure of CTRBs whilst in service due to early presence of defects which are closely associated to the POH process. It also discusses the methodology generally adopted, tools and techniques used and benefits obtained. By mapping current state of the POH process and takt time, future state improvement can be done in order to reduce cycle time using Lean tools such as Poke-Yoke, Jidoka, 5S, SMED

New Horizons for Shipbuilding Process Improvement

2005 ◽  
Author(s):  
Bahadir Inozu ◽  
M. J. Niccolai ◽  
Clifford A. Whitcomb ◽  
Brian Brian MacClaren ◽  
Ivan Ivan Radovic ◽  
...  
Keyword(s):  
Process Improvement ◽  
Six Sigma ◽  
Lean Six Sigma ◽  
Defense Contractors ◽  
New Era ◽  
Process Improvements ◽  
New Horizons ◽  
Direct Reports ◽  
Design For Six Sigma ◽  
Strategy Design

“In 2004, we start an Initiative --Lean Six Sigma Initiative to achieve our Op Ex Goals. We will be conducting a number of on boarding sessions for Six Sigma with senior leaders in DOD, NAVY, and most importantly Defense Contractors. We will require Six Sigma training for direct reports.” John Young, ASN (RDA) The announcement of NAVSEA’s Lean Six Sigma initiative has ushered in a new era in the ways that naval combatants are designed, built, and operated. As the Navy’s budgetary constraints increase in the coming years, the challenges they face in the 21st century will grow. New levels of process performance are mandated. This paper first highlights the opportunities that the Lean Six Sigma roadmap brings to shipbuilding process improvement and then details the efforts to adopt Lean Six Sigma and align it with the continuous improvement initiative at NGSS. Aspects of management strategy, Design for Six Sigma, replicating process improvements as part of integrating Lean Six Sigma with Knowledge Management are discussed.

Lean Six Sigma: a clinical treatment for the recovery of Indian manufacturing sector from the after-effects of coronavirus

2020 ◽  
Vol 17 (3) ◽  
pp. 311-322 ◽  
Author(s):  
Harsimran Singh Sodhi
Keyword(s):  
Six Sigma ◽  
Manufacturing Industry ◽  
Manufacturing Sector ◽  
Lean Six Sigma ◽  
Clinical Treatment ◽  
Content Type ◽  
After Effects ◽  
The World ◽  
Tools And Techniques ◽  
The Impact

PurposeManufacturing industry is quite badly hit due to the coronavirus. Manufacturing has been stopped in every country. The present study will provide assistance to the practitioners to recover manufacturing sector from the after-effects of coronavirus.Design/methodology/approachA thorough review of the recent articles published in the newspaper and web has been done to make a viewpoint on the global industrial impact due to epidemic corona. Reports of WHO, IMF, World Bank, RBI and so forth are also reviewed. Further, Lean Six Sigma has been suggested which can be implemented to recover manufacturing industry from the ill effects of corona.FindingsIn present study the problem causd in the manufacturing sector due to corona virus has been identified and a clinical treatment for the same has been proposed by using the tools and techniques of Lean Six Sigma.Originality/valueThe impact of coronavirus has become a huge issue not only for the physical health of human beings but also for the economic health of most of the countries in the world, as it is pushing the world economy toward huge economic depression. Therefore, it becomes the moral responsibility of industrial experts to suggest the tools and techniques to the manufacturing industry for faster recovery.

A study on how to improve the throughput time of Lean Six Sigma projects in a construction company

2014 ◽  
Vol 5 (2) ◽  
pp. 212-226 ◽  
Author(s):  
Aat van den Bos ◽  
Benjamin Kemper ◽  
Vincent de Waal
Keyword(s):  
Six Sigma ◽  
Selection Process ◽  
Lean Six Sigma ◽  
Throughput Time ◽  
Content Type ◽  
Construction Company ◽  
Construction Companies ◽  
Project Completion ◽  
Depth Analysis ◽  
Improvement Programs

Purpose – The purpose of this paper is to study the use of the Lean Six Sigma (LSS) methodology in a construction company. Design/methodology/approach – In our study we analyze 62 LSS improvement projects carried out within a Dutch company. In our analysis we focus on both speed, in terms of throughput time (THT), and impact, in terms of project completion, of each project. Findings – From the analysis we conclude that the current THT of a project is about a year and we identify important factors that cause large project's THTs These factors are then translated into recommendations for an efficient execution of LSS improvement projects. Research limitations/implications – The analysis is based on a sample from one company of the Dutch construction industry. The scope should be broadened as more companies adopt quality and process improvement programs, such as LSS. Originality/value – The narrowed scope, only one company and focused mostly on the speed of projects, helped to do an in-depth analysis. Therefore, we are able to present concrete and useful recommendations that relate to practical issues in the execution of improvement projects. These recommendations offer a checklist for construction companies in the project selection process, in situations of starting or improving an LSS program

scholarly journals Integrating Lean Six Sigma and Supply Chain Practices for Improving the Supply Chain Performance

2012 ◽  
pp. 67-74 ◽  
Author(s):  
Sunil Jauhar ◽  
Piyush Tillasi ◽  
Rachana Choudhary
Keyword(s):  
Supply Chain ◽  
Six Sigma ◽  
Lean Six Sigma ◽  
Supply Chain Performance ◽  
Statistical Control ◽  
Bottom Line ◽  
Quality Cost ◽  
Process Improvements ◽  
Organizational Functions ◽  
Product And Process

This paper describes the fusion of Lean and Six Sigma is required to achieve the fastest rate of improvement in quality, cost, delivery and process speed. By combining Lean and Six Sigma it is possible to achieve highly effective improvements in a company’s operations. Six Sigma doesn’t focus on speed. And, Lean cannot bring a process under statistical control. Lean Six Sigma efforts tend to be aligned by organizational functions rather than supply chains. This can result in departmental improvements, but fall short in achieving end to end supply chain improvements. Supply chain management (SCM) is a major issue in many industries as organizations begin to appreciate the criticality of creating an integrated relationship with their suppliers and customers, as well as all other stakeholders. It is concerned with smoothness, economically driven operations and maximizing value for the end customer through quality delivery. Hence, research is undertaken to integrate lean Six Sigma and SCM that will focus on how their integration drives rapid focused product and process improvements which result in controlled, sustainable, and validated improvements to the bottom line.

scholarly journals Implementation of Lean Six Sigma in public Road Transportation

2019 ◽  
Vol 9 (1) ◽  
pp. 4937-4940
Keyword(s):  
Customer Satisfaction ◽  
Continuous Improvement ◽  
Six Sigma ◽  
Lean Six Sigma ◽  
Customer Requirements ◽  
Road Transportation ◽  
Defect Reduction ◽  
Defect Identification ◽  
Public Road ◽  
Lean Tools

This paper presents the defect identification, defect reduction and continuous improvement in public road transportation by using lean six sigma methodologies. Lean methodologies will reduce the waste i.e. unnecessary efforts or tasks. The main aim of lean is to improve productivity i.e. to increase profit to the organization. The six sigma methodologies are centered towards the elimination of variations i.e. reduction of defects. The main objective of six sigma is 3.4 defects per million opportunities, whichlead to fulfilling the customer requirements. The six sigma tools arearithmeticaland statistical based. The lean mainly focused on the flow and the six sigma mainly focused on the problem. By combining, these two methodologies and implementing in public road transportation will leads to increase the profit of the organization and customer satisfaction. The results achieved by using DMAIC methodology and lean tools.

scholarly journals A new lean Six Sigma hybrid method based on the combination of PDCA and the DMAIC to improve process performance: Application to clothing SME

2019 ◽  
Vol 70 (05) ◽  
pp. 447-456 ◽  
Author(s):  
ABBES NEDRA ◽  
SEJRI NÉJIB ◽  
CHAABOUNI YASSINE ◽  
CHEIKHROUHOU MORCHED
Keyword(s):  
Six Sigma ◽  
Lead Time ◽  
Success Factors ◽  
Lean Six Sigma ◽  
Process Performance ◽  
Combination Technique ◽  
Sigma Level ◽  
Quality Certification ◽  
Tools And Techniques ◽  
And Control

This paper proposes a new Lean Six Sigma (LSS) methodology to improve process for clothing small- and medium-sized enterprise SME. The methodology is based on combination of two approaches which are the PDCA (Plan, Do, Check, and Act) and the DMAIC (Define, Measure, Analyze, Improve, and Control). The combination technique consists in applying the PDCA to continuously improve and control every DMAIC steps. The DMAIC approach has included Lean Six Sigma tools and techniques, as well as the success factors obtained from a survey, to improve its efficiency. The proposed approach is applied to improve the performances indicators such as Z sigma, Cp, cycle time, and lead time for the case of clothing SME in Tunisia. As an example, the Z-sigma has increased from the sigma level was improved from 1.45 to 3.85. The process capability Cp from 0.5 to 1.3 and the lead time was decreased from 39.47 days to 30.23 days. Finally, the study is concluded by sorting out the effects of the type of produced articles and the presence or not of the quality certification on the application of the proposed approach. The effectives from using PDCADMAIC technique are better when it’s applied with certified company, than non-certified one.

Application of Lean Six Sigma in conservative dentistry: an action research at an Indian dental college

2021 ◽  
Vol ahead-of-print (ahead-of-print) ◽  
Author(s):  
Ajay Noronha ◽  
Shreeranga Bhat ◽  
E.V. Gijo ◽  
Jiju Antony ◽  
Suma Bhat
Keyword(s):  
Action Research ◽  
Six Sigma ◽  
Single Case ◽  
Lean Six Sigma ◽  
Lessons Learned ◽  
Healthcare Sector ◽  
Content Type ◽  
Conservative Dentistry ◽  
Tools And Techniques

PurposeThe article evaluates the obstacles, lessons learned and managerial implications of deploying Lean Six Sigma (LSS) in a dental college hospital in India.Design/methodology/approachThe work adopts the action research (AR) methodology to establish a case study, which is carried out using the LSS define–measure–analyze–improve–control (DAMIC) approach in a dental college. It uses LSS tools to enhance the productivity and performance of the Conservative Dentistry Department of a dental college and to unravel the obstacles and success factors in applying it to the education and healthcare sector together.FindingsThe root cause for high turn-around time (TAT) is ascertained using LSS tools and techniques. The effective deployment of the solutions to the root causes of variation assists the dental college to reduce the TAT of the Conservative Dentistry process from an average of 63.9 min–36.5 min (i.e. 42.9% improvement), and the process Standard Deviation (SD) was reduced from 2.63 to 2 min. This, in turn, raises the sigma level from 0.48 to 3.23, a noteworthy successful story for this dental college.Research limitations/implicationsWhile the results and recommendations of this research are focused on a single case study, it is to be noted that the case study is carried out with new users of LSS tools and techniques, especially with the assistance of interns. This indicates the applicability of LSS in dental colleges; thus, the adopted modality can be further refined to fit India's education and hospital sector together.Originality/valueThis article explains the implementation of LSS from an aspiring user viewpoint to assist dental colleges and policymakers in improving competitiveness. In addition, the medical education sector can introduce an LSS course in the existing programme to leverage the potential of this methodology to bring synergy and collaborative research between data-based thinking and the medical field based on the findings of this study. The most important contribution of this article is the illustration of the design of experiments (DOE) in the dental college process.

scholarly journals Factors evaluation and variable that influence the improvement programs in continuous support specialists vision

2016 ◽  
Vol 15 (3) ◽  
pp. 88-101
Author(s):  
Roberto Jorge Junior ◽  
Dirceu Da Silva ◽  
Roque Rabechini Junior
Keyword(s):  
Continuous Improvement ◽  
Six Sigma ◽  
Exploratory Study ◽  
Strategic Alignment ◽  
Lean Six Sigma ◽  
Quality Analysis ◽  
Improvement Programs ◽  
Continuous Support ◽  
Governance Training ◽  
Reward And Recognition

This work has the objective to identify the factors and variables that make influence at sustainability of continuous improvement programs. It has done an exploratory study, by the quality analysis, with qualified experts in Lean Six Sigma methodologies and huge experience to implement these projects to qualify the factors and variables. The results, which ones were discussed and resort by literature basis generated a package of variables related with factors that make influence to sustainability of continuous improvement programs. Factors are related technical aspects but also involve other 12 factors like: strategic alignment, communication, leadership involvement, culture, governance, training, human resources support, learning organization, reward and recognition, infrastructure, experts support and client vision.

scholarly journals Definición del KPi Porcentaje de sacos con defecto y Takt Time

2019 ◽  
pp. 21-29
Author(s):  
Verónica Petra Hernández-Pastrana ◽  
Juan Carlos Kido-Miranda ◽  
Pascual Felipe Pérez-Cabrera ◽  
Norma Rodríguez-Bucio
Keyword(s):  
Recent Work ◽  
Six Sigma ◽  
Lean Six Sigma ◽  
Work Team ◽  
Takt Time ◽  
Successful Execution ◽  
Six Sigma Methodology ◽  
And Control

In the defining phase of the Lean Six Sigma Methodology, opportunities for improvement must be identified, determined and interpreted the client’s voice to define the objectives with the work team that applies the tools, skills and knowledge so that the company is productive and competitive. This recent work shows how to obtain an objective that is specific, realistic, measurable and on time, being the key to a successful execution of improvement, the KPi that was worked was the percentage of bags with defect in the first section of a Manufacturer, identifying the average of defective bags, specifying to lower said average by 90% to be significant and quantifiable, so that the company can continue with the Measure, Analyze, Improve and Control phases, two of the critical operations identified with the parameters of quality required by the client as well as the calculation of the Takt Time of the process of the first section of the Manufacturer in order to observe the bottlenecks in the different operations that make up the area.

Performance and service quality enhancement in a healthcare setting through lean six sigma strategy

2021 ◽  
Vol ahead-of-print (ahead-of-print) ◽  
Author(s):  
Ajay Noronha ◽  
Shreeranga Bhat ◽  
E.V. Gijo ◽  
Jiju Antony ◽  
Alessandro Laureani ◽  
...  
Keyword(s):  
Service Quality ◽  
Six Sigma ◽  
Processing Time ◽  
College Education ◽  
Healthcare Setting ◽  
Lean Six Sigma ◽  
Content Type ◽  
Sustainable Solutions ◽  
Tools And Techniques

PurposeThe article intended to excavate the Lean Six Sigma (LSS) deployment challenges, Critical Success Factors (CSF), tools and techniques, and managerial implications in an Indian healthcare setting.Design/methodology/approachThe article illustrates a case study established using Action Research (AR) approach. Further, the case study is based on the Define, Measure, Analyze, Improve, Control (DMAIC) phases of LSS. The performance and service quality of the Endodontics department of a dental college attached to a hospital is enhanced and sustained through the LSS strategy.FindingsThe processing time of Root Canal treatment is reduced by determining the root causes for delay and implementing sustainable solutions. The structured deployment of the LSS strategy helped the Endodontics department to reduce the processing time from an average of 116 min–84 min. Thus, the process's sigma level is enhanced from 0.06 to 4.17 and assisted in sustaining the results.Research limitations/implicationsThe case study's findings are based on the single AR carried out at an Endodontics department of a dental college hospital based on LSS strategies. Even though this study's results cannot be generalized, the deliverables of the case study can be used to develop the LSS roadmap for the dental colleges to enhance the service quality and safety of the patients.Originality/valueThe article provides step-by-step details for implementing LSS in dental college hospitals with critical analysis based on robust statistical tools and techniques. The case study provides evidence of the adoption of LSS in medical college education and provides the confidence to adopt the same through novice users. The study's findings may persuade the policymakers to add LSS in the medical education curriculum to reinforce safety and reduce errors in the healthcare system.

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