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In manufacturing, changeover is the process of converting a line or machine from running one product to another. Changeover times can last from a few minutes to as much as several weeks in the case of automobile manufacturers retooling for new models. Reducing changeover times became a popular way to reduce waste in Lean manufacturing after Taiichi Ohno and Shingo Shigeo popularized the SMED (Single Minute Die Exchange) method in the, now famous, Toyota Production System (TPS). The terms set-up and changeover are sometimes used interchangeably however this usage is incorrect. Set-up is only one component of changeover. Example: A soft drink bottler may run 16oz glass bottles one day, perform a changeover on the line and then run 20oz plastic bottles the next day.

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  • Changeover (en)
  • وقت التحويل (ar)
  • Troca Rápida de Ferramentas (pt)
  • Ställtid (sv)
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  • في كل عمليات التصنيع أو الإنتاج هناك فترات من الزمن حيث تكون المعدات غير متاحة بسبب تغييرات الأدوات والتغييرات في المواد، وتغييرات الأجزاء، وتغييرات البرنامج، أو أي تغييرات أخرى على الإنتاج ولا يمكن تنفيذها بدون توقف المعدات. بشكل عام، يشار إلى هذه الأحداث باسم وقت التحول (Changeover Time)، أو قت «الإعداد»، أو «التجهيز». (ar)
  • In manufacturing, changeover is the process of converting a line or machine from running one product to another. Changeover times can last from a few minutes to as much as several weeks in the case of automobile manufacturers retooling for new models. Reducing changeover times became a popular way to reduce waste in Lean manufacturing after Taiichi Ohno and Shingo Shigeo popularized the SMED (Single Minute Die Exchange) method in the, now famous, Toyota Production System (TPS). The terms set-up and changeover are sometimes used interchangeably however this usage is incorrect. Set-up is only one component of changeover. Example: A soft drink bottler may run 16oz glass bottles one day, perform a changeover on the line and then run 20oz plastic bottles the next day. (en)
  • Troca Rápida de Ferramentas é um método de otimizar a produção em linha de montagem industrial, utilizado para analisar e reduzir significativamente o tempo de trocas e ajustes entre produções diferentes. A forma de se mensurar este tempo é baseado entre a última peça boa de um lote e a primeira peça boa do próximo lote de produção. (pt)
  • Ställtid (en Changeover) innebär tid att ställa i ordning, ställa av och ställa om, det vill säga tiden mellan så kallad produktiv tid. Ordet anges komma från tryckeribranschen. Ställtid var tiden då tryckpressen inte rullade inför nästa tryckning. Senare har begreppet använts även gällande andra maskiners tillverkning av olika produkter. Enligt "Single Minute Exchange of Die" (SMED), av japanen Shigeo Shingo, kan man även skilja på inre ställtid (internal/IED) som innebär att maskinen/linjen stoppas, respektive yttre ställtid (external/OED) varvid moment kan utföras utan att maskinen/linjen stoppas. (sv)
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  • في كل عمليات التصنيع أو الإنتاج هناك فترات من الزمن حيث تكون المعدات غير متاحة بسبب تغييرات الأدوات والتغييرات في المواد، وتغييرات الأجزاء، وتغييرات البرنامج، أو أي تغييرات أخرى على الإنتاج ولا يمكن تنفيذها بدون توقف المعدات. بشكل عام، يشار إلى هذه الأحداث باسم وقت التحول (Changeover Time)، أو قت «الإعداد»، أو «التجهيز». (ar)
  • In manufacturing, changeover is the process of converting a line or machine from running one product to another. Changeover times can last from a few minutes to as much as several weeks in the case of automobile manufacturers retooling for new models. Reducing changeover times became a popular way to reduce waste in Lean manufacturing after Taiichi Ohno and Shingo Shigeo popularized the SMED (Single Minute Die Exchange) method in the, now famous, Toyota Production System (TPS). The terms set-up and changeover are sometimes used interchangeably however this usage is incorrect. Set-up is only one component of changeover. Example: A soft drink bottler may run 16oz glass bottles one day, perform a changeover on the line and then run 20oz plastic bottles the next day. (en)
  • Troca Rápida de Ferramentas é um método de otimizar a produção em linha de montagem industrial, utilizado para analisar e reduzir significativamente o tempo de trocas e ajustes entre produções diferentes. A forma de se mensurar este tempo é baseado entre a última peça boa de um lote e a primeira peça boa do próximo lote de produção. O sistema de Troca Rápida de moldes das prensas foi criado por Taiichi Ohno funcionário da Toyota.Na produção em massa os moldes permaneciam nas prensas de 2 a 3 meses porque a sua troca levara aproximadamente um dia inteiro. Taiichi Ohno criou métodos e procedimentos que levaram essa prática a durar apenas 3 minutos. (pt)
  • Ställtid (en Changeover) innebär tid att ställa i ordning, ställa av och ställa om, det vill säga tiden mellan så kallad produktiv tid. Ordet anges komma från tryckeribranschen. Ställtid var tiden då tryckpressen inte rullade inför nästa tryckning. Senare har begreppet använts även gällande andra maskiners tillverkning av olika produkter. Enligt "Single Minute Exchange of Die" (SMED), av japanen Shigeo Shingo, kan man även skilja på inre ställtid (internal/IED) som innebär att maskinen/linjen stoppas, respektive yttre ställtid (external/OED) varvid moment kan utföras utan att maskinen/linjen stoppas. Ställtid populariserades 1999 med Bodil Jönssons bok Tio tankar om tid. Begreppet har sedan dess även diskuterats inom andra områden, exempelvis inom sjukvården diskuterades ställtid 2005 angående undersköterskors och läkarsekreterares uppgifter och även tiden mellan olika operationer har diskuterats. Inom utbildningsområdet förekommer begreppet också, exempelvis anger Lärarförbundet att ställtid är skilt från rast. (sv)
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