stockless production their idea behind the change was: … push to pull (uitleg bij de film).pdf ·...
TRANSCRIPT
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Stockless ProductionFrom Push to Pull
• At HP there was in 1983 a division which wanted to make a change over from Push to Pull.
• It was the Greely Colorada Division• They made Disc Units• Their goal was to get a batch quantity of
one piece
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Their idea behind the change was:
Out of balance
Scrap
Unreliable deliveries
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What did they try to realize at HP:
• Advantages:⇓ Inventory⇓Lead time⇓Space⇓ Work on hand⇓Rework
• Effects:⇑Quality⇑Productivity⇑ Involvement
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The Film Stockless Production
Be a were of the problems in this simulated production line.Don’t look only to the working procedures.Watch to the people themselves.Write down all what you find remarkable.
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Produce and Package the Box
To sticker To Stitch Tape it To Pack
Halve a box
Box in the Box
Box with sticker
Box with wire stich
Sticker on box
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QualityProblems
Rework
Cycle timeLead time
Work on Hand
Space
Pull1 piece
Pull3 pieces
Push6 pieces
MethodMeasurement
Performance-Indicators 1
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HiddenQualityProblems
26 piecesRework
3:17 minute
Cycle timeLead-time
30 piecesWork on Hand
2 tablesSpace
Pull1 piece
Pull3 pieces
Push6 pieces
MethodMeasurement
Performance-Indicators 2
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VisibleHiddenQualityProblems
3 pieces10 pieces26 piecesRework
0:19minute
1:40 minute
3:17 minute
Cycle timeLead-time
4 pieces12 pieces30 piecesWork on Hand
1 tables2 tables2 tablesSpace
Pull1 piece
Pull3 pieces
Push6 pieces
MethodMeasurement
Performance-Indicators 3
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Results at HP
Before2,8 months4000 m2
5 days
100%
After1,2 months2000m2
2,5 days
115%
SubjectInventorySpace
Work on Hand
Productivity
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The “fixed-position stop system”
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ANDONS
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Toyota Production System
Source: http://www.toyota.co.jp/en/vision/production_system/index.html22
Conceptual diagram of the kanban system
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