Material Requirements Planning (MRP)

Material Requirements Planning (MRP): A computerized system typically used to determine the quantity and timing requirements for delivery and production of items. Using MRP specifically to schedule production at processes in a value stream results in Push production, because any predetermined schedule is only an estimate of what the next process will actually need. Manufacturing […]

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Leveling

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Leveling: The process or method used to distribute work within the value stream to maximize material and information flow efficiency. – Institute of Operational Excellence

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CONWIP

Constant Work In Process. This is another way of defining FIFO. (See FIFO.) – Institute of Operational Excellence

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Waste Muri Mura Muda – 003

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When it comes to the Japanese terms Muri, Muda, and Mura, more often than not people will put Muda first, because it refers directly to the waste being avoided within the system, and although it is of vital importance, the order should be: Mura: Before we can do anything else, we must first plan and […]

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Kanban

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Kanban, which directly translates into signboard or billboard in Japanese, is a scheduling system for lean production used in businesses who promote, use, and work in a lean environment where waste is prevented in all forms. It is a development that maintains and therefore controls inventory levels; a signal tells a supplier to produce and […]

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Kaizen

Kaizen is a term used by the Japanese which directly translates into “improvement”. However, it most generally refers to the practice of continuous improvement, which provides the common idea that it is an action among many workers, from CEO to lower ranked employees, throughout a workplace whom all are directly involved in improving all functions […]

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JIT LIST of Methodologies

Sepheri provides a list of methodologies of JIT manufacturing that “are important but not exhaustive”: 1. Housekeeping – physical organization and discipline. 2. Make it right the first time – elimination of defects. 3. Setup reduction – flexible changeover approaches. 4. Lot sizes of one – the ultimate lot size and flexibility. 5. Uniform plant […]

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Just-in-time (JIT) manufacturing

Just-in-time (JIT) manufacturing, which is also commonly known as just-in-time production, is a part of the Toyota Production System (TPS) where it has reportedly originated. Just-in-time (JIT) manufacturing reduces time waste within a business by reducing the time it may take for a supplier or a customer to gain contact and/or completion with a business. […]

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Jidoka

Jidoka, also known as Autonomation, describes a feature in a machine’s design that affects the principal of Jidoka, which is used in the Toyota Production System and in Lean Manufacturing. Autonomation might likewise be called “intelligent automation” or “automation that features a human touch.” At Toyota, if a strange circumstance emerges the machine stops and […]

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Heijunka

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Heijunka is a term in Japanese that indirectly refers to a process known as Production Leveling, or Production Smoothing. It reduces unevenness within a work space, which is known as Mura (unevenness, inconsistent), the original Japanese term. This is considered unreasonable and overburdening, which is translated into the Japanese term Muri. By leveling or smoothing […]

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