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02/24/2012 12:33 AM
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In any production system with limited resources, the release times of work orders have immense effect on WIP, lead times, throughput and on-time delivery. The natural variation, the known variation among work orders, resource capacities, the existing workload, setups and batching are mostly responsible for delays in the flow of any work order. However, production becomes lean as shown on the web page, Lean Production (webpage hosted by my company) when setup times are reduced and work orders are released at right times. We expect reduction in WIP and lead times as shown in the second diagram when we avoid the push system. The second diagram represents potential benefit from any rational approach like Lean, TOC, QRM, finite scheduling, etc.
In summary, job release times have a major impact on workflow, production control and shop performance. In my view, properly selected job release times can significantly reduce the need for kanban control in job shop environment.
Edited: 02/24/2012 at 12:33 AM by Lean Moderator
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Note: These forums are moderated by the Lean Enterprise Institute. All posts are reviewed prior to appearing on the site. Views expressed in these forums do not necessarily represent the views of the Lean Enterprise Institute.
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