‘The next process is the customer.’


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‘The next process is the customer.’

  • ‘The next process is the customer.’

  • Kaoru Ishikawa



A JIT system means that incoming goods arrive, proceed directly to equipment for processing, become work-in-process, and through value-added activities become finished goods just-in-time for the customer to pick up.

  • A JIT system means that incoming goods arrive, proceed directly to equipment for processing, become work-in-process, and through value-added activities become finished goods just-in-time for the customer to pick up.



Just-in-time requires three basic components:



Pull systems

  • Pull systems

    • Pull systems are manufacturing systems that require that products to be produced only when needed by a customer.


Continuous flow processing

  • Continuous flow processing

    • Continuous flow processing focuses on one-piece-at-a-time production.
    • Stagnation of work-in-process inventory in and between processes must be eliminated.


Takt time

  • Takt time

    • the rate a process must produce an item in order to meet customer demand.
    • Takt time is defined as:
  • Available working time per day

  • Takt time = --------------------------------------------

  • Customer demand rate per day



Seven sources of waste were identified by Taiichi Ohno, also of Toyota Motor Company:

  • Seven sources of waste were identified by Taiichi Ohno, also of Toyota Motor Company:

  • Some people have modified this list to include intellect waste.



Kanban

  • Kanban

    • display card in Japanese
    • a sign, card, or label, that communicates what is needed and when.


Kanban (Pull Inventory Management)

  • Kanban (Pull Inventory Management)

    • Kanban improves process management by focusing on visual control of the process.
    • Kanban cards tell the worker what must be produced as well as what has been produced.
    • Workers can not do more than the Kanban cards tell them to.


Jidoka

  • Jidoka

    • the Japanese word for autonomation.
    • Jidoka is one of the two main pillars of the Toyota Production system.
    • When a Jidoka system is present, machines and equipment are designed to stop automatically when a problem is detected. Any operator on the line also has the power to stop production.


Jidoka

  • Jidoka

    • Jidoka systems alert the worker to when a defective item is produced or a machine malfunction has occurred .



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