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Manufacturing cells

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Rafael Cortes
Rafael Cortes

This document discusses manufacturing cell systems and group technology. It defines manufacturing cells as grouping machines together according to similar part families. Each cell produces only one part family and includes all the necessary machines. This improves material flow and reduces lead times compared to functional layouts. An example manufacturing cell is shown with various stations for cutting, welding, assembly, painting, and finishing to produce a complete part family within the cell. Feeder cells can also provide subassemblies to the main assembly cell.

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Rafael Cort辿s 2013 Manufacturing Cell
Product Families by Process: Group Technology is a manufacturing technique in which the parts having similarities in geometry and/or manufacturing process are grouped together. The group of similar parts is known as part family and the group of machineries used to process an individual part family is known as machine cell. It is not necessary for each part of a part family to be processed by every machine of corresponding machine cell. This type of manufacturing in which a part family is produced by a machine cell is known as cellular manufacturing.
Functional Production System: In Functional Manufacturing similar machines are placed close together (e.g. lathes, millers, drills etc.). Functional layouts are more robust to machine breakdowns, have common jigs and fixtures in the same area and supports high levels of demarcation.
Functional Production System: Cutting Deparment (5 Machines) Welding Deparment (5 Machines) Sandblasting Deparment (2 Machines) Assembley Deparment (4 Workstations) Painting Department (2 Workstations) Finishing Department (4 Workstations) Example :
Manufacturing Cell System: Is based upon the principles of Group Technology. In Cellular Manufacturing systems machines are grouped together according to the families of parts produced. The major advantage is that material flow is significantly improved, which reduces the distance travelled by materials, inventory and cumulative lead times. Cellular Manufacturing employs setup reduction and gives the workers the tools to bemultiprocess, operating multiple processes, and multifunctional, owning quality improvements, waste reduction, and simple machine maintenance. This allows workers to easily self-balance within the cell while reducing lead times, resulting in the ability for companies to manufacture high quality products at a low cost, on time, and in a flexible way.
Sandblasting Station Manufacturing Cell System: v v v v v Cutting Machine Welding Machine Assembly Workstation Painting Station Finishing Station Finished Products Sandblasting Station v v v v v Cutting Machine Welding Machine Assembly A Workstation Painting Station Assembly B Station Finished Products Manufacturing Cell for Product Family 1010 Manufacturing Cell for Product Family 2010
Assembly Cell its feeders : An example of an Assembly Cell (pink) and its feeders ( all based on the manufacturing cell concept ) : Workstation 01 Workstation 02 Workstation 04 Workstation 03 Workstation 07 Workstation 06 Workstation 05 Manuf. Cell Sub assembly 110 Kanban Manuf. Cell Sub assembly 610 Kanban Manuf. Cell Sub assembly 310 Kanban

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Manufacturing cells

  • 2. Product Families by Process: Group Technology is a manufacturing technique in which the parts having similarities in geometry and/or manufacturing process are grouped together. The group of similar parts is known as part family and the group of machineries used to process an individual part family is known as machine cell. It is not necessary for each part of a part family to be processed by every machine of corresponding machine cell. This type of manufacturing in which a part family is produced by a machine cell is known as cellular manufacturing.
  • 3. Functional Production System: In Functional Manufacturing similar machines are placed close together (e.g. lathes, millers, drills etc.). Functional layouts are more robust to machine breakdowns, have common jigs and fixtures in the same area and supports high levels of demarcation.
  • 4. Functional Production System: Cutting Deparment (5 Machines) Welding Deparment (5 Machines) Sandblasting Deparment (2 Machines) Assembley Deparment (4 Workstations) Painting Department (2 Workstations) Finishing Department (4 Workstations) Example :
  • 5. Manufacturing Cell System: Is based upon the principles of Group Technology. In Cellular Manufacturing systems machines are grouped together according to the families of parts produced. The major advantage is that material flow is significantly improved, which reduces the distance travelled by materials, inventory and cumulative lead times. Cellular Manufacturing employs setup reduction and gives the workers the tools to bemultiprocess, operating multiple processes, and multifunctional, owning quality improvements, waste reduction, and simple machine maintenance. This allows workers to easily self-balance within the cell while reducing lead times, resulting in the ability for companies to manufacture high quality products at a low cost, on time, and in a flexible way.
  • 6. Sandblasting Station Manufacturing Cell System: v v v v v Cutting Machine Welding Machine Assembly Workstation Painting Station Finishing Station Finished Products Sandblasting Station v v v v v Cutting Machine Welding Machine Assembly A Workstation Painting Station Assembly B Station Finished Products Manufacturing Cell for Product Family 1010 Manufacturing Cell for Product Family 2010
  • 7. Assembly Cell its feeders : An example of an Assembly Cell (pink) and its feeders ( all based on the manufacturing cell concept ) : Workstation 01 Workstation 02 Workstation 04 Workstation 03 Workstation 07 Workstation 06 Workstation 05 Manuf. Cell Sub assembly 110 Kanban Manuf. Cell Sub assembly 610 Kanban Manuf. Cell Sub assembly 310 Kanban