Office_TOC_sample

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Office_TOC_sample

  1. 1. Lean Office - Theory of Constraints Superfactory Excellence Program™ www.superfactory.com © 2005 Superfactory™. All Rights Reserved.
  2. 2. Outline <ul><li>Introduction to Constraints </li></ul><ul><li>Five Steps Of Theory of Constraints </li></ul><ul><li>Drum Buffer Rope </li></ul><ul><li>Issues with TOC </li></ul><ul><li>Measurements & Financial Issues </li></ul>© 2005 Superfactory™. All Rights Reserved.
  3. 3. Five Steps Of TOC <ul><li>Identifying the constraint </li></ul><ul><li>Decide how to exploit the constraint </li></ul><ul><li>Subordinate everything else to the decision in step 2 </li></ul><ul><li>Elevate the constraint </li></ul><ul><li>Go back to step 1, but avoid inertia </li></ul>© 2005 Superfactory™. All Rights Reserved.
  4. 4. Drum Buffer Rope <ul><li>Drum-Buffer-Rope for Process Control </li></ul><ul><ul><li>Drum : The Pace Setting Resource - constraint </li></ul></ul><ul><ul><li>Buffer : The amount of protection in front of the resource </li></ul></ul><ul><ul><li>Rope : The scheduled staggered release of material to be in line with the Drum’s schedule. </li></ul></ul>© 2005 Superfactory™. All Rights Reserved. 60 70 40 60 Constraint (Drum) Rope Buffer A Pull System
  5. 5. Throughput (“T”) <ul><li>The rate at which the system generates money through sales. (Or, the money coming into the organization.) </li></ul><ul><li>Building inventory is not throughput </li></ul><ul><li>Only $ generated by the system get counted; e.g., raw materials and purchased parts are not throughput. </li></ul><ul><li>T = Selling Price - Materials </li></ul>© 2005 Superfactory™. All Rights Reserved.
  6. 6. TOC, TQM and JIT <ul><li>All 3 methods attempt to reduce variation and recognize the interdependencies. </li></ul><ul><li>Statistical process control is emphasized in the quality area to help identify ways to reduce variations. </li></ul><ul><li>Cells are used to reduce the dependencies „..U cell configurations , where one worker is moving with the processed piece from one machine to another“ </li></ul><ul><li>Predetermined schedules, in TOC, reduce both statistical fluctuation and dependent resources. </li></ul>© 2005 Superfactory™. All Rights Reserved.

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