Read the summary and the most important questions on Operational excellence

• 1 Introduction

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• The opposite (of the topic value stream) is WASTE:

  • non-valued added but necessary. Reduce. 
  • and non-value & unnecessary. Eliminate.

• Excess inventory (= sick factory)

  Excess raw material, WIP or finished goods causing many other wastes

• Overprocessing or incorrect processing

  Anything more than is needed to meet customer requirement

• 2 chapter 2 lean enterprise: foundational principles

• 2.1 Standard work

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• Companies that are not using lean methods and are not improving processes will likely have

  - instability
  - isolated processes

• Prerequisites of standardized work:

  1. Work task must be repeatable
  2. Line and equipment must be reliable (downtime should be minimal)
  3. Quility issues must be minimal

• 3 primary standardized work documents:

  1. Standardized work chart/sheet
  2. Standardized work combination table
  3. Production capacity sheet

• Stndardized work is not the same as work standards

  Before you can begin with standardized work, you must clarify your work standards

• 2.2 5S and visual control

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• In red tag area are:

  - stocks
  - equipment
  - spaces

• 2.3 total productive maintenance (TPM)

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• OEE: Overall Equipment Effectiveness (%)

  (Availability x Performance x Quality)
  (Production Time x Production output x Quality)
  

• 2.4 Value stream mapping (VSM)

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• Why value stream mapping is an essential tool?

  • Helps you to visualize more than just the single process
  
  • Exposes waste
  • Directs activities and sets priorities
  • It show the linkage between the information flow and the material flow. No other tool does it.