A manufacturing strategy developed by toyota motor corporation of japan over a period of many years. The glossary can be referred to at any time there is a question about how a term, topic, concept, subject or activity is generally. Pdf manufacturing technology glossary of important words. About the author lonnie wilson has been teaching and implementing lean techniques for more than 39 years. Glossary of lean six sigma terms chi solutions, inc. Lean six sigma glossary the glossary that follows is by no means exhaustive on the subjects of lean manufacturing aka lean and or six sigma. Affinity chart aka affinity diagram allys network worksheet. For a process or activity, the maximum throughput that can be sustained. It is composed by 5 phases aimed at the creation of a workplace suited for visual control and for lean thinking application. Dmaic define, measure, analyze, improve and control. Manufacturing where workinprocess smoothly flows through production with minimal or no buffers between steps of the manufacturing. Six sigma glossary lean six sigma training guide copy. A dictionary of lean, manufacturing and continuous improvement. The cash cost of acquiring capital equipment or goods.
Glossary lean manufacturing definitions lean production. Includes both useful tools and formerly popular buzzwords, including sometimes an. Lean glossary 3p production preparation process 3p focuses on eliminating waste through product and process design. Andons are commonly colorcoded green normal operations, yellow changeover or planned maintenance, and red. An approach in which manufacturing work centers cells have the total capabilities needed to produce an item or group of similar items. Lean manufacturing lm is a management system focused on eliminating waste and activities that do not add value, with the aim of reducing costs and improving the quality and productivity of. In sequential manufacturing, the sequencing of production. The structured approach provides transparency, drives a team approach, and increases the chance of solving the problem.
Below are lean and six sigma dictionary definitions for frequently used vocabulary within projects. Dfss design for six sigma is a systematic methodology utilizing tools, training and measurements to enable us to design products and processes that meet customer expectations and can be produced at six sigma quality levels. We would be happy to answer your questions, and we may add your term to the glossary in. Similarly, toyotas supply chain structure and relations with suppliers has become a source of competitive advantage. For a better understanding of these terms and an overview of lean six sigma, check out our free lean six sigma yellow belt training, green belt training, black belt training or lean training. These methodologies are commonly referred to as the toyota production system tps or the toyota business system. Creates a selfsustaining culture which perpetuates a neat, clean, efficient. If you are unsure about the meaning of a term, please feel free to check our lean and six sigma glossary for a definition. Toyota production system, closely related to lean manufacturing, has become the paragon for manufacturing across industries. The automaker uses it as a powerful lean management tool. Creating work cells that support better flow of products is an important step in lean manufacturing improvements. Affinity diagram a technique for organizing individual pieces of information into groups or broader. According to john shook, a toyota veteran and president of twi network inc.
The core principle of lean is to reduce and eliminate nonvalue adding activities and waste. An activity is usually documented in an instruction. Manufacturing technology glossary of important words. It is called five s after the japanese words of each phase. There is a lot of lean jargon and so many terms and funny words when you get started with. A push system such as those driven by mrp material resource planning manufacturing resource planning.
Most commonly, andons are lights placed on machines or on production lines to indicate operation status, notifying management, maintenance and other workers. However, we believe the mainstream terms have been included in this work. Lean manufacturing, lean sigma, flexible manufacturing systems. Glossary of lean six sigma general terms activities the things that go on within a process or subprocess. It has been supplanted by lean manufacturing concepts in the main. His experience spans 20 years with an international oil company where he held a number of management positions. A lean manufacturing system or organization will usually effect many largescale and farreaching changes while implementing lean as a company directive. The term lean derives from the improvement methodologies developed, refined and applied to the specific business needs of toyota. Lean evolved as a coherent response to this challenge over a number of decades a dynamic process of learning and. Lean six sigma terminology 1sample sign test this is used to test the probability of a sample median being equal to hypothesized value. Lean lexicon 5th edition lean manufacturing lei lean. Our lean glossary of terms allows you to learn more about the complex world of lean jargon and understand some common.
Many of our lean dictionary terms part of the continuous improvement companion come with a lean pdf download a single lean pdf file to brush up on a term while waiting for a plane, or get them all to keep a handy lean reference guide on your desk or in a kaizen room you can even print out copies for the whole audience of a class you might be teaching. Hoshin, or strategic deployment, is the lean approach to management, ensuring theres alignment throughout the organization. How to implement lean manufacturing lonnie wilson new york chicago san francisco lisbon london madrid mexico city milan new delhi san juan. New goals in manufacturing systems combined benefits of craft and mass. A never ending pursuit of the complete elimination of nonvalue adding waste so that all activities along a value stream create value. While we have made every effort to present current and accurate definitions, the glossary should be considered as a resource and not as an authoritative reference. Seiri organisation means to select and divide necessary tools, materials and instructions from the unnecessary ones. Lean terms and definitions 5s a method for removing all excess materials and tools from the workplace and organizing the required items using visual controls such that they are easy to find, use and maintain.
With 14 new definitions touching on management, healthcare, startups, manufacturing, and service, the 5 th edition of the lean lexicon, is the most comprehensive edition yet of the handy and practical glossary for lean thinkers. Tps focuses on the complete elimination of waste from the manufacturing process, and is the progenitor of lean manufacturing. Batchandqueue waiting until an area has completed all the inventory of work before moving any work to the next activity. It is not a scheduling system but a production control system that will define production using takt times. Lean and six sigma glossary definitions of commonly used. The minimal envelope ensures the elimination of excess flat space at the workstation or machine. This article will serve as your guide to lean manufacturing terminology. Jidoka traces its roots back to the early 1900s at toyota in japan, then a textile manufacturing company. Lean manufacturing, also referred to as lean production, is a production practice that considers any excess, in terms of resources, time, manpower, space or inventory, as a waste and aims at eliminating it. A3 thinking is the process by which toyota identifies, frames, and then acts on problems and challenges at all levels. Download lean manufacturing powerpoint training presentations. Lean six sigma definitions for common six sigma terms and methodologies. Lean manufacturing and six sigma definitions glossary. Chakuchaku is a standard term that applies to a lean produc tion cell that.
Glossary of advanced manufacturing terms this glossary is intended as a practical and easytouse guide to common terms used in the advanced manufacturing industry. Adjusted rsquared is more useful only if the rsquared is calculated based on a sample not the entire population. Click on the lean six sigma terms below to read definitions. They represent 8 steps to take to solve difficult, recurring or critical problems often customer failures or major cost drivers. Fundamentals of lean professor deborah n ght nga september 12, 2005. The most comprehensive list of manufacturing terms, definitions and acronyms on the internet. Advanced manufacturing national program office amnpo 100 bureau drive, stop 4700, gaithersburg, md 208994700 phone. Sakichi toyoda, an inventor and the founder of toyota, developed a device that could detect broken threads in a loom and stop the machine from producing defective. It was compiled to assist operations management students in courses at the university of michigan business school.
This glossary includes terms pertinent to operations management. A dictionary of lean, manufacturing and continuous. Glossary of lean manufacturing terms lean manufacturing continual reduction of waste in all areas and forms overall strategy drives lean production product development and mazaks mfg. In the book, the authors examined the manufacturing activities exemplified by the toyota production system. One of the major lean manufacturing principles is the usage and control of materials. The list includes a lot of japanese terms, although almost all of them can also easily be explained using english terms, which are also given. Principles, tools, and methods 5 since continuousflow, oneatatime manufacturing is another goal of lean manufacturing, it is important that each workstation or machine be designed to fit within a minimal envelope. Activities the things that go on within a process or subprocess. A visual management tool, originating from the japanese word for lamp. Lessons from the gemba volume 1 is a collection of stories and case studies about applying lss to notforprofit organizations.
Knowing the definitions of lean terms is important to learning how to apply them when building a lean manufacturing system. Glossary of advanced manufacturing terms manufacturing. It is japanese in origin, as are many specialized words in lean. A dictionary of lean, manufacturing and continuous improvement andon flashing lights used to indicate the flow of production at points in a production line. Lean and six sigma glossary definitions of commonly used terms. Appendix lean glossary page 1 1 andon board a visual control device in a work area giving the current status on performance to expectations and alerting team members to emerging issues. Lean manufacturing an overview sciencedirect topics. If you do not find the term you are looking for, please contact us. Lean is defined as a set of management practices to improve efficiency and effectiveness by eliminating waste. The lexicon covers such key lean terms as andon, jidoka, kaizen. Computer aided manufacturing often used synonymously with cad is a similar process of generating manufacturing processes electronically. They are usually performed by a single unit a person, a machine, or a department. Excel spreadsheet that allows you to enter queueing information and apply littles law to your queueing operations. Baka yoke is the japanese term for foolproofing or idiot proofing.
There are a lot of terms that are specific to lean and six sigma. Lean manufacturing concept integrates the most essential japanese production management principles from the 1970s and 1980s, e. Lean manufacturing and six sigma definitions glossary terms. Best lean manufacturing glossary cellular manufacturing is defined and explained. Needless to say, it is not the most politically correct of terms, and has been replaced in common use by poka yoke, or mistake proofing. Most of the lean terms you need to know are listed in this lean manufacturing glossary. Lean manufacturing glossary cellular manufacturing. Glossary of lean terminology association for manufacturing. Accurate, complete, realtime data viewable anywhere. Lean pdf terms download a pdf file of our extensive lean. Glossary of lean production related terms the following contains a sometimes commented glossary of terms related to lean manufacturing or production management with a brief definition.