EKT303/4 PRINCIPLES OF PRINCIPLES OF COMPUTER ARCHITECTURE (PoCA)
Principles of Lean.pptx
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Transcript of Principles of Lean.pptx
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5 Principles of Lean Thinking
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The 5 Principles of Lean Thinking
• Define value from the customer perspective
• Identify the value stream• Make the process flow• Pull from the customer• Head toward perfection
Welding ex.•
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The 5 Principles of Lean Thinking
• Define value from the customer perspective
– How do we define value?Must pass all three criteria;
1) Customer has to care (willing to pay for)
2) Must change the thing,
3) Done right the first time.
95% Waste•
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Seven Forms of WasteAdd Costs but Not Value!
• Transportation• Inventory (Unnecessary)
• Motion (Unnecessary)
• Waiting• Overproduction• Overprocessing (Inappropriate)
• Defects
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“I had to go across the street!"
TransportationExcessive movement of people, information or materials.
Courtesy of Vansco Electronics Ltd.
Spaghetti•
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“We’re running out of room. We need to expand!"
Unnecessary InventoryExcessive storage and delay of information or products.
Courtesy of Vansco Electronics Ltd.
Dell Costs•
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“There’s got to be an easier way!"
Unnecessary MotionAny motion that does not add value
to the product or process.
5S- 90% Fail
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“The parts were supposed to be here yesterday!"
WaitingLong periods of inactivity for people, information,
machinery or materials.
Courtesy of Vansco Electronics Ltd.
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"What do you mean the design's been changed!"
OverproductionProducing more/sooner than the Internal
or External customer needs.
Courtesy of Vansco Electronics Ltd.
Dell-today•
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“Bigger is not necessarily better!"
Inappropriate ProcessingUsing the wrong set of tools, procedures or systems.
Courtesy of Vansco Electronics Ltd.
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“Of course it’s taking a long time!"
DefectsFrequent errors in paperwork, product quality problems etc.
Courtesy of Vansco Electronics Ltd.
CAR•
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The 5 Principles of Lean Thinking
• Define value from the customer perspective
• Identify the value stream
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CustomerSteel
Supplier
1,000per Day
Daily Ordering
PlanningMaterialsOrder Entry
ProductionControl
WeeklyPurchase
Orders
Weekly Schedule (Adjusted
Daily)Daily
Expediting
I
WeeklyDeliveries
2 Coils(3,000 Pcs.)
1,500 Pcs.
1,750 Pcs.
2,000 Pcs.
3 Days 1.5 Days 1.75 Days 2 Days
1 Secs. 10 Secs. 20 Secs. 45 Secs.
10.25 Days
76 Secs.
I I I I
Stamp Press Weld Assembly
Shipping
1 Shift
85% Yield
C/T 1 Sec.
C/O 90 Mins.
C/T 10 Sec.
C/O 30 Mins.
1 Shift
100% Yield
C/T 20 Sec.
1 Shift
90% Yield
C/O 30 Mins.
C/T 45 Sec.
C/O 30 Mins.
1 Shift
100% Yield
2 Days
2,000 Pcs.
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The 5 Principles of Lean Thinking
• Define value from the customer perspective
• Identify the value stream• Make the process flow
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CustomerSteel
Supplier
1,000per Day
Daily Ordering
PlanningMaterialsOrder Entry
ProductionControl
WeeklyPurchase
Orders
Twice Weekly
Deliveries
2 Coils(2,000 Pcs.)
1,000 Pcs.
1,000 Pcs.
2 Days 1 Day .25 Days 1 Day
1 Secs. 45 Secs.
4.25 Days
46 Secs.
Stamp Shipping
Press, Weld and Assembly Cell
250
250
C/T 45 Sec.
C/O 10 Mins.
1 Shift
99% Yield
1 Shift
95% Yield
C/T 1 Sec.
C/O 15 Mins.
250 Pcs.
Coil
Daily ShipSchedule
How long-PLT
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The 5 Principles of Lean Thinking
• Define value from the customer perspective
• Identify the value stream• Make the process flow• Pull from the customer
![Page 17: Principles of Lean.pptx](https://reader035.fdocuments.net/reader035/viewer/2022062314/55cf9ac9550346d033a36514/html5/thumbnails/17.jpg)
The 5 Principles of Lean Thinking
• Define value from the customer perspective
• Identify the value stream• Make the process flow• Pull from the customer• Head toward perfection
![Page 18: Principles of Lean.pptx](https://reader035.fdocuments.net/reader035/viewer/2022062314/55cf9ac9550346d033a36514/html5/thumbnails/18.jpg)
Then• 1924: Iron ore turned into cash in 41 hrs - Henry
Ford… time included 13 hr. non-value added time floating down the Rouge River in Michigan
• 1943: 17 B-17 Bombers built every day – 1/hour built by area farmers using Lean thinking
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“Lean”…
…Just Do It
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THANKYOU