Transportation waste is any unnecessary movement of people, products, materials or information.
Though the spelling of the word “team” does not include an I, the definition does acknowledge that each individual must do their part. The word team is defined simply as: a group of individuals who come together for a common purpose or to reach a specific objective.
The Theory of Constraints is a philosophy that is used to identify the point in a process where constraints and bottlenecks prevent the process or system from achieving its highest level of performance. To simplify the definition, the theory of constraints tells us that "the throughput of a system is determined by the systems biggest constraint (bottleneck).
The Philosophy was developed by Dr. Eliyahu M. Goldratt. He covered the philosophy in many different books such as: The Goal and Theory of Constraints. You can click on any of the links in this definition if you are interested in reading one of Dr. Goldratts books.
Dr. Goldratt taught that there were five essential steps used in the theory of constraints. Those five steps are:
Throughput is the rate at which a process or a system reaches its objectives/goals. The rate was first discussed and heavily analyzed in the book Theory of Constraints. The metric is most often measured using "rates" or "monetary" measurements (meaning money). Throughput is often referred to as manufacturing cycle time.
The Traditional Yield is taken at the final step of a process to measure the effectiveness of the overall process. This type of measurement does not take into account scrap, rework or any other inefficiencies in a process it only looks at what goes in and what comes out.
John is machining 5 parts today. During the machining phase 2 parts are oversized. John goes back and machines the parts down to size and they pass inspection giving him 5 good parts. His yield on the 5 piece run was 100%.
The ABC's of