Just in time or JIT manufacturing

Published by admin on July 17th, 2008 | Tagged Business, Management

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What is JIT or Just in time manufacturing?

Just in Time or JIT is a philosophy from Japan.Just in time or JIT manufacturing involves efficient production of high quality goods using minimum amount of Raw materials, WIP (Work in progress), and Finished Products.

Just in Time or JIT philosophy aims at eliminating all kinds of waste.JIT also seeks continuous improvement in terms of quality and productivity.

The system operates with very little inventory and the output reaches at the next workstation ‘Just in time’.The final assembly is put just before the sale takes place .The goods will not be produced until and unless they are needed, and this depends on the demand for the product.

There are Seven Wastes in Just in Time or JIT: Waste of overproduction, Waste of waiting, Waste of transportation, Waste of processing, Waste of stocks, Waste of motion, Waste of defectives

Important Elements:

In Just in Time or JIT more attention is paid to the value added time, the value added time should be more than the non value added time.
Minimum set up time and Small size of the batches
The Kanban system is used control the flow of materials and goods .Kanban is Japanese word and it means an instruction card.
In the Just in Time or JIT system, preventive maintenance measures are taken to make sure that there is no uncertainty factor and waste of any sort.
Uniform plant loading is adopted to manage variations.
The workers are given the right kind of training so that production goes along in the desired manner and the customer demand is met on time,
JIT gives importance to the relations with the vendors. The vendors must be reliable and supportive.
The concept of quality at source is adopted. This means that the workers take responsibility for the quality of what they are producing.