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CONSOLIDATION (OF FAILING PARTS)RECAP
2
Key Findings:
Typically higher costs with consolidation, e.g.:
The more parts are consolidated the lower the benefit
Shorter replenishment lead time least interesting benefit
Nevertheless, cases with significant costs savings even if key characteristics are worse with consolidation
total cost model to decide about value of consolidation
CM design Consolidated design
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DUAL SOURCING CONCEPT
3
CM source
AM source
Capital goods
with printable
and failing parts
Spare
part stock
When to use AM to supplement CM source?
What are the cost benefits of Dual Sourcing?
How often we use AM design relative to CM design?
RESEARCH QUESTIONS
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Simulation model in place
Model for small instances implemented and validated
First small experiments completed
Typical result:
Consider slow moving part with stock level of 1
In case stock on hand is equal to 1 use CM
Quality/low costs > Speed
In case stock on hand is equal to 0 use AM
Speed > Quality/low costs
Cost savings of more than 20% possible
RESEARCH STATUS
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Initial lifecycle phase (high uncertainties)
Less overstocking
Less risk of downtime
Long resupply lead times for CM parts:
Reduce stock levels
Reduce downtime
APPLICATION AREAS
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