Toyotas Jit Revolution

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Toyotas JIT Revolution

1. The JIT production system was one of the most significant production management approaches of the post WWII era. Discuss in detail, the concept of the JIT and its advantages.

The implementation of the JIT (Just in Time) system implemented by Toyota, is to make the production process more effective in time and costs. The strongest point of the JIT system is to eliminate inventory, to reduce the transportation in between production places. "Just-in-Time" means making only "what is needed, when it is needed, and in the amount needed." Having the right material, at the right time at the right place, and in the exact amount. The production of the product is directly related to the demand. “Supplying "what is needed, when it is needed, and in the amount needed" according to this production plan can eliminate waste, inconsistencies, and unreasonable requirements, resulting in improved productivity”. All the processes that involve JIT conform a chain that is “boosted” by the start of the first process at the first link of the chain, which will give way to the next link process consecutively. The JIT system is conformed mainly of the following components:

Jidoka, is a part of the Toyota Production System in which the worker can stop the production line if an abnormality is detected. This involves enough preparation and knowledge and familiarity with production and machinery from the worker.

Kanaban, is a system of cards that makes the JIT system function in a proper way. The right time of production and the right amount of production required is controlled by the correct application of the Kanaban system.

Heijunka, is an important part of the JIT process and it is used as the method to reduce the muda (waste). The way to do this is to eliminate the peaks of production and to stick to the production of intermediate goods at a constant rate, to allow further processing to be carried out at a constant and predictable rate....
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