Literature review
The ‘Just in time’ (JIT) approach is based on a lean manufacturing system which was developed to optimize and
improve manufacturing efficiency by reducing manufacturing lead time through waste elimination. It was
derived from the Toyota Production System as a purpose to minimize inventory and improve throughput [9].
It has been described as an approach to produce the right part and quantity when it is needed either by end
customer or next process [2, 4]. Takt time which derived from demand is used to regulate manufacturing pace on
floor [10]. As a result, smoothed material flow and synchronized processing time has been established to
increase efficiency and productivity of the manufacturing system. JIT implementation would expose all wastes at
the entire area that are currently hidden when inventory is reduced.