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SMED stands forSingle-Minute Exchange of Die.
SMED system is a set of techniques thatmakes it possible to perform equipmentset up and change over operation inunder 10 minutes in the single-minuterange.
SMED approach is Simple & Universal
WHAT IS SMED ?
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Goal of SMED is to dramaticallyshortenchangeover times
It may not be possible to reach thesingle-minute range for all setups, but
SMED does dramatically reduce setup
times in almost all cases.
GOAL OF SMED
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Customer today want a variety ofproducts in just the quantity they need.
They expecthighquality,
a goodprice andspeedydelivery of requisite quantity
WHY SMED IS IMPORTANT FOR COMPANIES?
CUSTOMERS REQUIREMENT OF THE DAY?
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Delivering What Customers Want, When They Want, in the Quantity They Want
CUSTOMER DELIGHT:ANY DAY & EVERY DAY
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Trouble with
Large-Lot
Production
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Trouble with Inventory
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Inventory Covers up other problems
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Trouble with Large-Lot Production
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Benefits of SMEDfor Companies
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Benefits of ShorteningChangeover Time with SMED
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Benefits of SMEDfor Individuals
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SMED Makes Daily ProductionGo Smoother
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Steps in Setup Proportion of Setup
Time Before SMEDImprovements
Preparation, After-ProcessAdjustments, Checking of
Materials and Tools
Mounting and Removing Blades,Tools and Parts
Measurements Settings, andCalibrations
Trial Runs and Adjustments
30%
5%
15%
50%
Basic Setup Steps & their TimeBreak-up before SMED Improvement
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Using Videotape to Do a SetupAnalysis
Th Th S f SMED
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The Three Stages of SMEDImplementation
Before SMED
Internal and
External Setup
not differentiated
Stage 1
Separate
Internal and
External setup
Stage 2
Convert Internal
setup to
External setup
Stage 3
Streamline
all aspects of
setup
1.Checklists2.Function Checks3.Improved Transport
of Parts & Tools
1.Advance Preparationof Operating Conditions
2.Function Standardization3.Intermediary Jigs
1.Parallel Operations2.Function Clamps3.Eliminating
Adjustments
4.Mechanization
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Stage1: Separating Internal and External
Setup
The most important step in implementing SMED is
distinguishing between internal and externalsetup. By doing obvious things like preparationand transport while the machine is running, thetime needed for internal setup, with the machinestopped, can be usually cut by as much as 30 to50 percent.
Three Stages of SMED
Th S f SMED C td
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Stage2:Converting Internal Setup to ExternalSetup
Further reducing setup time toward the single-minute range involves two important activities:
1) reexamining operations to see whether any
steps are wrongly assumed to be internal setup,&
2) finding ways to convert these steps to externalsetup.
Operations can often be converted to external setupby looking at their true function.
Three Stages of SMEDContd
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Step 3: Streamlining All Aspects of the
Setup Operation
To further reduce setup time, the basic
elements of each setup are analyzed in detail. Specific principles are applied to shorten the
time needed, especially for steps that must bedone as internal setup, with the machine
stopped.
Three Stages of SMED Contd.
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