What
is Just-In-Time concept? Since the emergence of this term it was difficult for
science and business people to define it. Even today many companies think that
they are using JIT concept, but actually, they are not realising that. JIT must
be integrated in company philosophy and no just dead letters.
JIT
is define as “a philosophy of manufacturing based on planned elimination of a;;
waste and on continuous improvement of productivity”. It also has been
described as an approach with the objective of producing the right part in the
right place, at the right time (in order word “Just-In-Time”). Basic of the
concept is that the company produce only what is needed, when it needed, and in
the quantity it needed. The company produce only what the costumer requests, to
actual orders, not to forecasts. JIT also can define as producing the necessary
units, with the required quantity & quality, at the last the safe
moments. It means that company can manage with their own sources and allocate
them very easily. Figure shows a drawing of the JIT concept.
Benefits of
JIT
- Reduced operating cost
- Greater performance and through put
- Higher quality
- Improved delivery
- Increased flexibility and innovativeness
JIT
Components
- Production levelling
- Pull system
- Good housekeeping
- Small Lot Production
- Setup time reduction
- Total Preventive Maintenance (TPM)
- Total Quality Control (TQC)
- JIT purchasing
- Line balancing
- Flexible manufacturing
- Small group activities
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