Lean Cell Design -Presentation project part c rohan naik & aditya kamble
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Transcript of Lean Cell Design -Presentation project part c rohan naik & aditya kamble
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LEAN CELL DESIGN
FINAL PROJECT PART C
Project ByRohan Naik --5009-5130
Aditya Kamble -- 5009-4898IE-400/564 – Lean Enterprise
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Weights 0.3 0.2 0.2 0.2 0.1 1.0
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Alternatives # of Change Overs
# of Workers
OEE # WorkStati
on
Stage Total Investme
nt
Profit Per Day
Pay back Period(Days)
2 Change Over Case
2 7 0.75 9 Current $9000 $142 43.25
Minimize Inventory
4 9 0.5833 13 1 $16,000 $142.21 62.62
3 Change Over Case
3 6 0.90 9 3 $9010 $142.68 43.25
Minimize Work Station
1 6 0.97 9 3 $9000 $142.68 43.20
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A1 B1 A2 B2
C
E D1F D2
OP1 OP2
OP5OP6
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TAKT=82 TAKT=82
PCT=70PCT=62
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Average Std Deviation Sigma Level Demand
X- Demand 174 5.9 3 192
Y- Demand 175 9.5 3 204
Total 349 11.9 3 385
At the 3 Sigma Level, We find :
The Average Cycle time we Take as 60 (since X is at 60 and Y is at 70 and they are approx. equal)
At 3σ, Max Demand = 385 and corresponding planned cycle time = 64
This Suggest that we can handle fluctuations up to 3σ levels and meet the demands.
Operating at PCT minimizes inventory
Working days considered for calculations
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Revenue / unit: X = $2.75, Y = $4.00
Material Costs / unit: X = $1.50,Y = $2.00
Labor Costs / unit: X = $0.96,Y = $1.09 Expected profit for the year = $52,427.50
Total Unit Cost: X = $2.46,Y = $3.09
Profit / unit: X = $0.29,Y = $0.91
Cost of workstations = $9,000
Stage III Improvement Costs = $12,000 Investment cost = $ 31,485.50
Payback period = 43 Days
Annual Savings / Annual Cost
Annual Savings based on inventory carryover cost savings and operator savings = $20942
Profit per day =$ 142.65
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Cell-based design for Operations A to F:
Achieved main objective
Minimized floor place
Minimize inventory
Minimize number of Operators : 6
Minimize number of Workstation : 9
Maximum space for additional product families
Additional Value Stream Improvements:
Supermarket-based finished goods delivery and at injection molding
Plastic raw material delivery from 1 /week to 1 /day.
Changeover time improvements at Injection Molding from 60 to 30 minutes.
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Project Part C By:
Rohan Naik – 5009-5130Aditya Kamble – 5009-4898