Infinite Buffer Closed Lines

• When jobs complete processing at the end of the line, they exit and release their pallet/card, which returns to the front of the line.
• Empty pallets/cards authorize the release of new jobs to the front of the line.
• Within the line, whenever jobs complete processing they are immediately pushed to the downstream station.
• Since buffers are assumed infinite, stations never become blocked for lack of downstream buffer space.
• Note that the WIP level in a CONWIP line is constant, but that the throughput level is not (it depends on line characteristics.

 
• Example: An example line that behaves like a closed line.

 
• Principles: The underlying science and principle behind these lines.

 
• Diagnostics: Enter data for a system and compare performance to an internal benchmark.

 
• Improvement Strategies: Explore options and handles existing for improving an existing line.

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