the time of delay due to factors other than considered. Analysis Statistical process control Xbar chart Rbar chart Total quality management Fishbone diagram Pareto chart X- bar chart • Xbar charts are the control charts for process means. The control limits in X bar charts place bounds on the amount of variability we are willing to tolerate in our sample means. In X bar charts we have • A
Premium Bar chart Chart Pie chart
established a goal to reduce defects 10-fold with a 50% reduction in cycle time every 2 years. QUESTION: Define a process. Draw a picture. Answer: A process is the vehicle for transforming inputs into outputs‚ see figure below. Feedback loops are used to move data to appropriate points in the process for decision making purposes. Inputs Manpower Services Materials / Goods Methods Environment Process Transform inputs into outputs by creating time‚ place form value Outputs Manpower Services Materials
Premium Six Sigma Control chart Failure mode and effects analysis
Quality Control and Improvement Chapter outline 9.1 9.2 9.3 9.4 9.5 9.6 9.7 9.8 9.9 Design ’Of quality control systems Process quality control Attribute control Variables control Using control charts Continuous improvement Six Sigma Lean and Six Sigma Quality control and improvement in industry Student Internet exercises Solved problems Discussion questions Problems Selected bibliography 9.10 Key points I In the last chapter‚ we reviewed the long history of quality management. In the early
Premium Control chart Quality control Process capability
Vol. 4/1‚ June 2004 11 qcc: An R package for quality control charting and statistical process control by Luca Scrucca Introduction The qcc package for the R statistical environment allows to: • plot Shewhart quality control charts for continuous‚ attribute and count data; • plot Cusum and EWMA charts for continuous data; • draw operating characteristic curves; • perform process capability analyses; • draw Pareto charts and cause-and-effect diagrams. I started writing the package
Premium Control chart Process capability
(Defining quality‚ moderate) 22. 10. ISO 9000 has evolved from a set of quality assurance standards toward a quality management system. 23. True (International quality standards‚ moderate) 24. 11. Quality is mostly the business of the quality control staff‚ not ordinary employees. 25. False (Total quality management‚ moderate) 26. 12. TQM is important because quality influences all of the ten decisions made by operations managers. 27. True (Total quality management‚ moderate) 28. 13.
Premium Control chart Quality management Quality assurance
References: 1. Eli Whitney‚ http://technology.ksc.nasa.gov/ETEAM/whitney.html. 2. Joseph M. Juran and A. Blanton Godfrey‚ Juran ’s Quality Handbook‚ McGraw-Hill‚ 1998. 3. Kaoru Ishikawa‚ What Is Total Quality Control? The Japanese Way‚ Prentiss- Hall‚ 1985. 4. Juran‚ Juran ’s Quality Handbook 5. Philip B. Crosby‚ Quality Is Free—The Art of Making Quality Certain‚ McGraw-Hill‚ 1979. Copyrights @ JOHTIKUMAR N SONS 2005‚ hindiwala
Premium Quality management Quality assurance Control chart
Total Quality Management Quality has been defined by many authors .Some definitions are * Fitness for use –Joseph .M. Juran * Compliances with specific requirement –Philip .B. Crosby * Function of continuous improvement by reducing variability of desired output – Edward Deming * The totality of characteristics of an entity that bear upon its ability to satisfy the stated & unstated needs of the customer - ISO 8402 * Quality is perceived by customers ‚based on his actual
Premium Quality management Management ISO 9000
philosophy. Before globalization took over the world and technological advances became vital for survival‚ competitive pressures were much lower‚ and companies were usually satisfied with focusing their efforts on ensuring quality in the production process only. Now however‚ quality is often thought to start and end with the customer‚ it exists in every activity of a company and all points leading to and from the customer must aim for high-quality service and interaction. Therefore Quality is definitely
Premium W. Edwards Deming Quality Control chart
A1) Evaluate the quality control program at Polaroid prior to Project Greenlight. Prior to Project Greenlight‚ Polaroid had a plan to shift its quality control efforts from a traditionally QC inspection process to an operator-based quality control process. While it was easy to convince upper management of the cost savings that would be achieved through reduced sampling‚ it was more difficult to prove that Project Greenlight would not give up quality. Following the implementation of Project Greenlight
Premium Control chart Quality control Arithmetic mean
Quality Guru- Kaoru Ishikawa Kaoru Ishikawa is a well-known quality guru. He is credited for the development of the seven quality control tools‚ including the cause and effect diagram; also known as the fishbone diagram. Ishikawa was born in Tokyo and was the oldest of eight sons. He attended university at the University of Tokyo and earned his Engineering Degree in Applied Chemistry; he later achieved his Doctorate of Engineering at the University of Tokyo. Ishikawa began work in the engineering
Premium W. Edwards Deming Ishikawa diagram Joseph M. Juran