Plant layout

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Machine Sequencing• Machining centers (departments) are laidout in such way that the total forward flowson the line is maximized, or total backwardflows are minimized.• Hollier developed two heuristic algorithmsthat can achieve ordering of machines forminimizing backtrack flows8
Hollier Method 1Step 1:Develop the “From-To” chart from part routing data.The data contained in the chart indicates numbers ofparts moves between machines (or work stations) inthe cell. Moves into and out of the cell are notincluded in the chart.Step 2:Determine the “From” and “To” sums foreach machine. This is accomplished by summing allof the “From” trips and “To” trips for each machine.9
Page 3 and 4: Some of the objectives of the plant
Page 5 and 6: From - to chart• Provides informa
Page 10 and 11: Hollier Method 1Step 3:Assign machi
Page 12 and 13: Hollier Method 1Step 4:Reformat the
Page 14 and 15: Example 5.1 (solution)Iteration No.
Page 16 and 17: Example 5.1 (solution)Iteration No.
Page 18 and 19: Percentage of in-sequence moves(%)
Page 20 and 21: Activity relationship analysis• A
Page 22 and 23: Proportion of each ratingRatingA &
Page 24 and 25: Layout algorithms• In general, la
Page 26 and 27: Relationship Diagramming Process (R
Page 28 and 29: Relationship Diagramming Process (R
Page 30 and 31: Example 5.2Given the activity relat
Page 32 and 33: Example 5.2 (solution) 1 st stageNe
Page 34 and 35: Example 5.2 (solution) 1 st stageWi
Page 36 and 37: Example 5.2 (solution) 2 nd stageFu
Page 38 and 39: Example 5.2 (solution) 2 nd stage12
Page 40 and 41: Example 5.2 (solution) 2 nd stage14
Page 42 and 43: CRAFT-(Computerized RelativeAllocat
Page 44 and 45: Example (Craft)Initial layoutTotal
Page 46 and 47: AB interchangingMovement Cost = (20
Page 48 and 49: Other interchanges and savingsADSav
Page 50: Interchanges and savingsADBCSavings

Plant layout

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