Single Minute Exchange of Die (SMED)

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Questions and Answers

In the context of SMED, what is the primary difference between internal and external activities?

  • Internal activities involve only manual labor, while external activities involve automated processes.
  • External activities are always more time-consuming than internal activities.
  • Internal activities require more resources than external activities.
  • Internal activities can only be performed when the machine is stopped, while external activities can be done while it's running. (correct)

What is the first step in implementing a SMED activity?

  • Converting internal activities to external activities.
  • Identifying the current changeover time and steps involved. (correct)
  • Training employees on the new changeover process.
  • Documenting the new changeover procedure.

According to the principles of SMED, what is the main objective when analyzing changeover processes?

  • Converting internal activities to external activities to reduce downtime. (correct)
  • Increasing the changeover time to allow for thorough inspection.
  • Maximizing the number of internal activities to ensure quality.
  • Minimizing the number of operators involved in the changeover.

Which of the following is NOT a key element of a quick changeover, according to the content?

<p>Complicate the process for better control. (A)</p> Signup and view all the answers

What should companies do after implementing changes based on SMED principles?

<p>Continuously monitor and measure the changeover time for further improvements. (D)</p> Signup and view all the answers

What is the purpose of creating a process flow of a shift changeover in the context of SMED?

<p>To identify areas for improvement and optimize the changeover process. (A)</p> Signup and view all the answers

In which area can technology be used to improve changeover/handover processes?

<p>In the handover of information, materials, or products. (B)</p> Signup and view all the answers

Which of the following actions aligns with the 'eliminate' element of quick changeover?

<p>Removing any non-essential steps. (A)</p> Signup and view all the answers

Which element of the SMED methodology focuses on strategies like using one-touch attachments rather than bolts?

<p>Simplify (D)</p> Signup and view all the answers

What is the ultimate goal of applying SMED principles in an organization?

<p>To minimize changeover time and maximize production efficiency. (B)</p> Signup and view all the answers

Flashcards

Single Minute Exchange of Die (SMED)

A methodology for reducing waste and changeover time, to enable flexible and responsive production.

Internal Activities (SMED)

Operations that can only be performed when the machine or process is stopped.

External Activities (SMED)

Operations that can be done while the machine or process is still running.

Objectives of SMED

Convert internal to external, eliminate unnecessary work, and simplify/standardize remaining tasks.

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Steps in a SMED Exercise

Identify steps, categorize as internal/external, convert internal to external, implement and test, document and train, continuously improve.

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Three Elements of Quick Changeover

Eliminate, combine, and simplify steps to reduce changeover time.

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Setup Checklist (SMED)

Ensuring everything is set up, tools are organized, unnecessary handling is removed, setup procedures/instructions are written, and optimum run time is determined.

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Study Notes

  • Single Minute Exchange of Die (SMED) aims to change from one process/product to another with little to no downtime.
  • SMED can be applied to signage, aircraft, and systems.

Internal vs. External Activities

  • External activities can be done while the machine is running.
  • Internal activities can only be carried out when the machine or process has stopped.
  • The objective is to convert as much internal work as possible to external work, eliminate unnecessary work, and simplify and standardize as much as possible.

SMED Exercise Steps

  • Identify the current changeover time and specific steps.
  • Divide the changeover process into internal and external activities.
  • Analyze each step to convert internal activities into external activities.
  • Implement and test the new process to ensure safety, efficiency, and effectiveness.
  • Document the new process and train employees.
  • Continuously monitor and measure the changeover time for further reduction.
  • Develop the four stages of SMED to create an optimized changeover process.

Improving Changeover with Technology

  • Identify areas where technology can improve the changeover or handover of information of materials/product.

Three Elements of Quick Changeover

  • Eliminate
  • Combine
  • Simplify

Setup Checklist

  • Ensure everything is set up and on hand.
  • Tools are identified and organized/stored.
  • Unnecessary handling has been eliminated.
  • Slots/grooves have replaced bolting.
  • New set-up procedures have been written.
  • Setting standards and instructions have been written.
  • Optimum run time to set-up time has been determined.
  • Optimum number of set-up operators has been determined.

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