Six Sigma application for quality improvement of the hot press in process

Six Sigma is a systematic improvement method, a management approach designed to continuously improve corporate business processes and achieve customer requirement. This paper presents a case study conducted at a cell phone manufacturing company that intended to use the DMAIC method to carry out a structured approach to Six Sigma projects with fewer defective units generated by the cell phone hot press in process. In this process, Boss cracking and torque force failure led to high scrap costs and line downtime, which ultimately affected the supply of the assembly line. To this end, the Six Sigma approach was applied starting with the problem being defined, measured, and exhaustively analyzed to determine the root cause: poor injection molding structure, metal insert not perpendicular to the hole, improperly set molding machine parameters, and core/cavity dimension variation. A series of improvement measures addressing these factors increased the quality level of the process by improving the mold design to increase venting, optimizing the product structure to add the guide chamfer, and developing a standardized molding parameter setup procedure. Methods to maintain process control were also identified and implemented. The use of several quality tools and the use of Six Sigma methods also made the process more consistent.

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Observations on Raytheon 6 σ: The ASTOR Early Engagement

Volume 3: 7th Design for Manufacturing Conference ◽

10.1115/detc2002/dfm-34197 ◽

2002 ◽

Author(s):

David H. Treichler ◽

Ronald Carmichael

Keyword(s):

Six Sigma ◽

Large Scale ◽

Lessons Learned ◽

Management Approach ◽

Thought Processes ◽

Change Analysis ◽

Customer Involvement ◽

The Uk ◽

Industry Needs ◽

Six Sigma Approach

Raytheon Six Sigma (R6Sigma) is a six-step quality management approach and culture change effort that has proven to be highly effective. It incorporates lessons learned from the earlier efforts by Motorola, Texas Instruments, Allied Signal, General Electric, and many others. Within each of these major companies, the Six Sigma approach is a reflection of the company’s unique culture and specific industry needs. However, one criticism common to most of these programs is that the change analysis and leadership tools are engaged too late in the overall process. Building upon the lessons learned by other organizations, the paper recounts the early engagement of the Six Sigma tools, coupled with direct customer involvement, on a large-scale program by the Raytheon Company: The Airborne Stand-off Radar (ASTOR) system, which is under development for the UK Ministry of Defense (MOD). Because the ASTOR program is still years from completion, this paper cannot provide detail in terms of final lessons learned or quantified results derived from the front-end application of R6Sigma on this program. The purpose of this paper is to capture the thought processes behind (and initial stages observed during) early customer involvement and the application of R6Sigma process improvement approaches at the beginning of the program.

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Process Optimization by DMAIC Approach in Algerian Industry

INTERNATIONAL JOURNAL OF MANAGEMENT & INFORMATION TECHNOLOGY ◽

10.24297/ijmit.v7i2.3181 ◽

2013 ◽

Vol 7 (2) ◽

pp. 1074-1083

Author(s):

Dr.Mechenene Athmane ◽

Aouag Hichem

Keyword(s):

Process Optimization ◽

Six Sigma ◽

Business Processes ◽

Long Run ◽

Quality Costs ◽

Six Sigma Methodology ◽

And Control ◽

Six Sigma Approach

The aim of this paper is to contribute to the improvement of the performance of the functioning of the SCIMAT company. For that purpose, we made a diagnosis of all workshops to identify the possible axes of improvement and to choose the solutions to be implemented.This diagnosis is made by implementation of DMAIC methodology of Six sigma approach at SCIMAT company in Algeria, DMAIC is the five-step approach that makes up the Six Sigma tool kit, and its sole objective is to drive costly variation from manufacturing and business processes. The five steps in DMAIC are Define, Measure, Analyze, Improve, and Control. As the backbone of the Six Sigma methodology, DMAIC delivers sustained defect-free performance and highly competitive quality costs over the long run.

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The Evolution of Augmentative Communication and the Importance of Alternate Access

Perspectives on Augmentative and Alternative Communication ◽

10.1044/aac20.1.34 ◽

2011 ◽

Vol 20 (1) ◽

pp. 34-37 ◽

Cited By ~ 13

Author(s):

David Chapple

Keyword(s):

Augmentative And Alternative Communication ◽

Cell Phone ◽

Handheld Devices ◽

Alternative Communication ◽

Access Methods ◽

The Past ◽

Communication Device ◽

Internet Browser ◽

A Cell ◽

Development Of Language

Abstract Over the past 20 years, there have been many advances in the computer industry as well as in augmentative and alternative communication (AAC) devices. Computers are becoming more compact and have multiple purposes, such as the iPhone, which is a cell phone, mp3 player, and an Internet browser. AAC devices also have evolved to become multi-purpose devices; the most sophisticated devices have functionality similar to the iPhone and iPod. Recently, the idea of having the iPhone and iPad as a communication device was initiated with the development of language applications specifically for this format. It might be true that this idea could become the future of AAC devices; however, there are major access issues to overcome before the idea is a reality. This article will chronicle advancements in AAC devices, specifically on access methods, throughout the years, towards the transition to handheld devices. The newest technologies hold much promise with both features and affordability factors being highly attractive. Yet, these technologies must be made to incorporate alternate access if they are to meet their fullest potential as AAC tools.

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