CELLULAR LAYOUT
ORIGIN/INTRODUCTION OF
CELLULAR LAYOUT
FLOW IN A U-CELL
• EQUIPMENT AND WORKSTATIONS USED TO PRODUCE ARE ARRANGED TO
FACILITATE
• CONTINUOUS PRODUCTION FLOW IN S...
CELLULAR LAYOUT
• EVERY CELL CONTAINS A GROUP OF MACHINES WHICH ARE DEDICATED TO
THE PRODUCTION OF A FAMILY OF PARTS.
• ON...
CELLULAR LAYOUT
• USED TO MAKE PARTS IN JUST-IN-TIME MANUFACTURING
• BASED ON GROUP TECHNOLOGY
• GROUP TECHNOLOGY (GT): A ...
EXAMPLE OF GROUP TECHNOLOGY
PROCESS FLOW BEFORE THE GROUP
TECHNOLOGY
PROCESS FLOW AFTER THE GROUP
TECHNOLOGY
TRADITIONAL BATCH PROCESSING
ONE PIECE FLOW
• HANDLING ITEMS ONE AT A TIME ELIMINATES WASTES INHERENT IN BATCH
PRODUCTION
• AND ENABLES A BALANCED FLOW...
REQUIREMENTS FOR THE CELLS LAYOUT
• IDENTIFICATION OF FAMILIES PRODUCTS
• A HIGH LEVEL OF TRAINING, FLEXIBILITY AND EMPOWE...
IMPROVING LAYOUTS USING WORK CELLS
IMPROVING LAYOUT USING WORK CELLS
EXAMPLE OF CELLULAR LAYOUT
CONTINUE
• THE PREVIOUS SLIDE SHOWS A FACILITY IN WHICH THREE PARTS A, B, C FLOW
THROUGH THE MACHINES.
• SOME OTHER PARTS ...
EXAMPLE TABLE
Parts 1 2 3 4 5 6 7 8 9 10 11 12
A x x x x x
B x x x x
C x x x
D x x x x x
E x x x
F x x x
G x x x x
H x x x...
CELLULAR LAYOUT OF THE EXAMPLE
Parts 1 2 4 8 10 3 6 9 5 7 11 12
A x x x x x
D x x x x x
F x x x
C x x x
G x x x x
B x x x ...
FINAL VIEW AFTER CELLULAR LAYOUT
EACH OF A, B, C NOW VISITS ONLY ONE AREA, MINIMIZING JUMPING
12
12 3
4
5
6
7
8 910
11
A B...
OBJECTIVE OF CELLULAR LAYOUT
• ELIMINATION OF WASTE (MUDA)
Transportation
Inventory
Movement
Waiting
Over
Processing
Over ...
CELLULAR LAYOUT ADVANTAGES
• REDUCED MATERIAL HANDLING AND TRANSIT TIME
• REDUCED SETUP TIME
• REDUCED WORK-IN-PROCESS INV...
CELLULAR LAYOUT DISADVANTAGES
• SOMETIMES CELLS MAY NOT BE FORMED BECAUSE OF INADEQUATE PART
FAMILIES
• SOME CELLS MAY HAV...
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Cellular LayOut

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Cellular layout helps us in increasing the productivity with minimizing the cost.
It is the latest technique to minimize the cost and increase the profits without affecting the organization. The concept of LEAN management.

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Transcript of "Cellular LayOut"

  1. 1. CELLULAR LAYOUT
  2. 2. ORIGIN/INTRODUCTION OF CELLULAR LAYOUT
  3. 3. FLOW IN A U-CELL • EQUIPMENT AND WORKSTATIONS USED TO PRODUCE ARE ARRANGED TO FACILITATE • CONTINUOUS PRODUCTION FLOW IN SMALL LOTS. Example of Cellular Layout
  4. 4. CELLULAR LAYOUT • EVERY CELL CONTAINS A GROUP OF MACHINES WHICH ARE DEDICATED TO THE PRODUCTION OF A FAMILY OF PARTS. • ONE OF THE PROBLEMS IS TO IDENTIFY A FAMILY PARTS THAT REQUIRE THE SAME GROUP OF MACHINES. • THESE LAYOUTS ARE ALSO CALLED AS GROUP TECHNOLOGY LAYOUTS.
  5. 5. CELLULAR LAYOUT • USED TO MAKE PARTS IN JUST-IN-TIME MANUFACTURING • BASED ON GROUP TECHNOLOGY • GROUP TECHNOLOGY (GT): A METHOD OF ORGANIZING PARTS INTO FAMILIES WITH SIMILAR MANUFACTURING REQUIREMENTS • A MANUFACTURING CELL IS CREATED FOR EACH PART FAMILY
  6. 6. EXAMPLE OF GROUP TECHNOLOGY
  7. 7. PROCESS FLOW BEFORE THE GROUP TECHNOLOGY
  8. 8. PROCESS FLOW AFTER THE GROUP TECHNOLOGY
  9. 9. TRADITIONAL BATCH PROCESSING
  10. 10. ONE PIECE FLOW • HANDLING ITEMS ONE AT A TIME ELIMINATES WASTES INHERENT IN BATCH PRODUCTION • AND ENABLES A BALANCED FLOW OF WORK.
  11. 11. REQUIREMENTS FOR THE CELLS LAYOUT • IDENTIFICATION OF FAMILIES PRODUCTS • A HIGH LEVEL OF TRAINING, FLEXIBILITY AND EMPOWERMENT OF EMPLOYEES • BEING SELF-CONTAINED, WITH ITS OWN EQUIPMENT & RESOURCES
  12. 12. IMPROVING LAYOUTS USING WORK CELLS
  13. 13. IMPROVING LAYOUT USING WORK CELLS
  14. 14. EXAMPLE OF CELLULAR LAYOUT
  15. 15. CONTINUE • THE PREVIOUS SLIDE SHOWS A FACILITY IN WHICH THREE PARTS A, B, C FLOW THROUGH THE MACHINES. • SOME OTHER PARTS D,E,F,G & H ARE ALSO INCLUDED IN THE NEXT SLIDES. • THE ROWS CORRESPOND TO THE PARTS AND COLUMNS TO THE MACHINES. • JUST BY INTERCHANGING ROWS AND COLUMNS, EVENTUALLY A MATRIX IS OBTAINED WHERE THE “X” MARKS ARE ALL CONCENTRATED NEAR THE DIAGONAL. THIS MATRIX PROVIDES THE CELLS. FOR EXAMPLE, PARTS A, D AND F REQUIRE MACHINES 1, 2, 4, 8 AND 10 WHICH FORMS A CELL.
  16. 16. EXAMPLE TABLE Parts 1 2 3 4 5 6 7 8 9 10 11 12 A x x x x x B x x x x C x x x D x x x x x E x x x F x x x G x x x x H x x x Machines
  17. 17. CELLULAR LAYOUT OF THE EXAMPLE Parts 1 2 4 8 10 3 6 9 5 7 11 12 A x x x x x D x x x x x F x x x C x x x G x x x x B x x x x E x x x H x x x Machines
  18. 18. FINAL VIEW AFTER CELLULAR LAYOUT EACH OF A, B, C NOW VISITS ONLY ONE AREA, MINIMIZING JUMPING 12 12 3 4 5 6 7 8 910 11 A BCRaw materials Cell1 Cell 2 Cell 3 Assembly
  19. 19. OBJECTIVE OF CELLULAR LAYOUT • ELIMINATION OF WASTE (MUDA) Transportation Inventory Movement Waiting Over Processing Over Production Defects
  20. 20. CELLULAR LAYOUT ADVANTAGES • REDUCED MATERIAL HANDLING AND TRANSIT TIME • REDUCED SETUP TIME • REDUCED WORK-IN-PROCESS INVENTORY • BETTER USE OF HUMAN RESOURCES • BETTER SCHEDULING, EASIER TO CONTROL AND AUTOMATE • LESS FLOOR SPACE REQUIRED • REDUCED DIRECT LABOR • HEIGHTENED SENSE OF EMPLOYEE PARTICIPATION • INCREASED USE OF EQUIPMENT & MACHINERY • REDUCED INVESTMENT ON MACHINERY & EQUIPMENT
  21. 21. CELLULAR LAYOUT DISADVANTAGES • SOMETIMES CELLS MAY NOT BE FORMED BECAUSE OF INADEQUATE PART FAMILIES • SOME CELLS MAY HAVE A HIGH VOLUME OF PRODUCTION AND OTHERS VERY LOW. THIS RESULTS IN POORLY BALANCED CELLS • WHEN VOLUME OF PRODUCTION CHANGES, NUMBER OF WORKERS ARE ADJUSTED AND WORKERS ARE REASSIGNED TO VARIOUS CELLS. TO COPE WITH THIS TYPE OF REASSIGNMENTS, WORKERS MUST BE MULTI-SKILLED AND CROSS-TRAINED • SOMETIMES, MACHINES ARE DUPLICATED IN DIFFERENT CELLS. THIS INCREASES CAPITAL INVESTMENT
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