Lean Green Project Christopher Lanari Advisor: Jane Paulson.
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Transcript of Lean Green Project Christopher Lanari Advisor: Jane Paulson.
![Page 1: Lean Green Project Christopher Lanari Advisor: Jane Paulson.](https://reader035.fdocuments.net/reader035/viewer/2022062308/56649d9c5503460f94a851ca/html5/thumbnails/1.jpg)
Lean Green ProjectChristopher Lanari
Advisor: Jane Paulson
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Overview
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Overview: The Company, Uponor
• u p-ʊ-nɔɹ• Cross-linked
Polyethylene pipe (PEX) extrusion
• Plumbing, radiant heating/cooling, fire safety– Residential– Commercial
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Overview: The Project
• New extruder system– Faster production– Higher operation cost
• Same proportion as production gain
– No net gain for Uponor• Goal: Minimize operational costs through
reduction of energy, water, and other inputs, using Lean tools and philosophies
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Approach: Lean Manufacturing
• Philosophy based on continuous improvement– Minimize waste
• Defective product• Overproduction• Waiting• Non-/Under-utilized talent• Transportation• Inventory• Motion• Excessive processing
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Extrusion Overview
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Extrusion Overview
Feeder
Extruder
Die
Cross-Link
Cooling Tanks
Measurements
Coil
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Prioritizing EffortsTools
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Value Stream Maps
• Lean visual tool to help analyze a process’ current state and plan a future state
Reorder!
Too long!
Too much!Process 1
Other information
Process 2
Other information
Process 3
Other information
CustomerSupplier
Production Control
Daily Schedule
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Value Stream Maps• Enterprise MN• Energy (Electricity)• Water• Compressed Air• Nitrogen Gas
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Pareto Charts
• Highlights high-impact factors– Histogram + Cumulative Percentages
Example
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A3 Project Management
• Story of a project– Background/Problem– Root Cause Analysis– Goals– Action Items– Follow Up/Verification
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Action Item: Optimize Curing
• Initial State– All settings at 100%– Product within specifications
• Final State– All settings at 70%– Product still within specifications– $55,300 annual savings
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Action Item: Insulate Extruder
• Reduce heat loss to reduce consumed electricity– Heating elements
• 200 – 250 oC– Reduce to 43 oC
• Energy reduction– $2,600 annual savings
• More safe workplace
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Action Item: Switch To Comp. Air
• Initial State– Nitrogen
• Final State– Compressed Air– $1,300 annual savings– No 100% N2 fumes released
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Action Item: Redundant Blower
• Initial State
• Final State
– $650 annual savings
Cooling Tank 1
Cooling Tank 2
Air Blower
Measure
Cooling Tank 3
Air Blower
Measure
Coil
Cooling
Tank 1
Cooling
Tank 2
Cooling
Tank 3
Air Blower
Measure 1
Measure 2
Coil
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Action ItemsRecommendation Initial State Future State Reduction Annual Savings Status
Optimize Curing Process
115.2 kW 38.4 kW 76.8 kW $55,300 In Progress (95%)
Insulate Extruder Barrel
3.7 kW 0.1 kW 3.6 kW $2,600 In Progress (75%)
Switch from Nitrogen to Compressed Air
12 ft3/hr N2 12 ft3/hr Air 12 ft3/hr N2 $1,300 In Progress (95%)
Remove Redundant Blower
0.9 kW 0 kW 0.9 kW $650 In Progress (50%)
TOTAL119.8 kW,12 ft3/hr N2
38.5 kW,12 ft3/hr Air
81.3 kW,12 ft3/hr N2
$59,800
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Internship Benefits
• Project Management• Models
– Cost Analysis– Energy Flow
• Lean Manufacturing Principles
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Q & A