How to implement Single minute exchange of die
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Transcript of How to implement Single minute exchange of die
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How to Implement SMED : Steps and Phases
Presented by : Nikunj Rana
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Stages Of SMED
Step 4Develop One Step Setup Training Plan
TOTA
L SE
T U
P T
IME
INT
ER
NA
L SE
T U
P T
IME
120 MINS
STAGE I
Segregate Internal External Elements
STAGE II
Convert some Internal Elements or parts of those to External Elements
STAGE III
Reduce times of residual Internal Elements
80 MINS
40 MINS
7 MINS
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The SMED Process
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Five Steps to Quick Changeover
4
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One Step Set-up Implementation Plan
Separate Internalfrom External
Setup
Optimizing Setup ProcessesIntegrate Internal into
External Setup
Reduction of Setup Processes
ProgressiveEnhancement
s
Step 2Develop Specific
Implementation Plan
Step 3Develop Communication
Plan
Step 5Implement One Step
Set-up
Step 6Verification / Standardization
Step 1Develop One Step Setup Implementation Team
Step 4Develop One Step Setup Training Plan
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Implementation TechniquesSeparate internal from external setup operationsConvert internal to external setupStandardize function, not shapeUse functional clamps or eliminate fasteners altogetherUse intermediate jigsAdopt parallel operations Eliminate adjustmentsMechanization
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SMED Phases : Phase IInternal and external setup operations must be distinguished.• Internal setup operations can only be
performed when the machine is stopped. (Example: Mounting or removing dies)
• External setup operations can be conducted while the machine is operating. (Example: Transportation of tools and parts to where they are needed.)
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SMED Phases : Phase II
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SMED Phases : Phase III
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SMED Phases : Phase IV
Streamlining of all aspects of setup operations.• Emphasis is on eliminating both
internal and external operations to reduce overall setup time. This involves investing in technology such as product redesign, new tooling, or automation.
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Benefits of SMEDStockless production which drives capital turnover rates,
Reduction in footprint of processes with reduced inventory freeing floor space
Productivity increases or reduced production time
Elimination of unusable stock from model changeovers and demand estimate errors
Goods are not lost through deterioration
Ability to mix production gives flexibility
New attitudes on controllability of work process amongst staff
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SMED Examples
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SMED Examples
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SMED Examples
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For example: A slide clamp reduced the time required to load and unload parts to fixture. 2 hold-down clamps eliminated the need to tape parts during a glue-up operation. Set slide allows quick (temporary) alignment of 2 parts.
SMED Examples
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SMED ExamplesSplit thread boltsHandlesToggle clampsU-shaped washers
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05/02/2023 17
Make the tool part of the screw device -- you don’t need a tool, and this will save time in disassembling and reassembling the tooling and fixturing!
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05/02/2023 18
Reduce the amount of screw turns and eliminate the tool!
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05/02/2023 19
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05/02/2023 20
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Thank You