SIMULATION

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Kosta Karachristos
SIMULATION OF CHESIRE DIRECT CONVEYOR SYSTEM
Ralph Minaya
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OVERVIEW

• Introduction
• Background
• System Description
• Scope
• Assumptions
• Data Collection
• Model Behavior
• Current Proposed

• Verify Validate
• Conclusions Recommendations

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INTRODUCTION

• Orders Shipped in 24 Hrs
• Designer Merchandise Received
• Merchandise Processed for Stock
• Loaded Onto Auto Conveyor
• Currently Bottlenecks Occur On Conveyor
• Merchandise Stocked for Consumer Orders

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GOAL

• Establish Correct Work Load Between Receiving
  Stock
• Minimize Conveyor Bottlenecks

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BACKGROUND - Receiving

• Prepped In Bin Boxes
• Loaded On To Conveyor
• Readily Available

PREP AREA
CONVEYOR
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BACKGROUND - CONVEYOR
Conveyor

• Once Loaded Barcode Directs Bin Box
• Bin Box Dim. (1 x 2 x 1) ft

Bar Scanner
Bin Box
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BACKGROUND - Stock Put Away

• Bin Boxes Loaded On Shelves
• 3 Put Away Persons

Stock Locations
Bin Boxes
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SCOPE DATA COLLECTION

• Receiving
• Readily Available
• Mean .55 Bins/Min
• Distribution Based on 18 Production Weeks
• Weibull Distribution
• Conveyor
• 714 ft in Length
• 122 ft/min
• Capacity 357 bin boxes
• (contd)

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SCOPE DATA COLLECTION

• Stock Put-Away
• 3 Personnel
• Mean 1 Bin/Min
• Distribution Based on 18 Production Weeks
• Weibull

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VERIFY VALIDATE

• Met with Cheshire Direct Management Personnel
• IE Manager
• Receiving Manager
• Stock Manager
• Receiving Stock Personnel
• Time Study Results
• 55 min in entire system
• 5 min conveyor time
• Current Model Results
• 56.48 min in entire system
• 5.97 min conveyor time

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CONCLUSIONS RECOMMENDATIONS

• Communication Must Improve Between Stock
  Receiving Personnel