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J.I.T. - Just In Time PowerPoint PPT Presentation


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J.I.T. - Just In Time. History. The basic elements of JIT were developed by Toyota in the 1950s. This evolved into the Toyota Production System . Adopted, as part of ‘Lean manufacturing’, by many process manufacturers. Supplier. Stock. Process. What is JIT and why do we do it?.

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J.I.T. - Just In Time

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J i t just in time

J.I.T. -

Just In Time


J i t just in time

History

  • The basic elements of JIT were developed by Toyota in the 1950s.

  • This evolved into the Toyota Production System.

  • Adopted, as part of ‘Lean manufacturing’, by many process manufacturers


What is jit and why do we do it

Supplier

Stock

Process

What is JIT and why do we do it?

  • Aligned to plan

  • Continuity of supply critical

  • Quality control

  • Spread risk

  • Minimise level

  • Working capital

  • Cashflow

  • Space

  • Avoid obsolescence

  • Demand driven

  • Easy to plan

  • Continuous

  • Flexible

  • Part of Lean


What is jit and why do we do it1

  • This theory is applicable to repetitive manufacturing processes

  • Ensure that the right parts are in the right place at the right time

  • Minimise waste by reducing inventory (increasing inventory turnover)

  • Ensure the use of a stable plan (no late/ rush orders)

  • Ensure quick set up times on all production lines

  • This allows short production runs & small purchasing lot sizes

  • Use preventative maintenance plans (during non production time to avoid unexpected breakdowns)

  • Ensure that there is a well trained flexible workforce (to minimise line manning issues)

  • Implement a supplier quality assurance programme (to ensure there are no issues with raw materials)

What is JIT and why do we do it?


J i t just in time

Case Study – Edrington

  • Each order is exploded into its component parts

  • Production orders are raised and scheduled on the production plan

  • Raw material orders are raised by the Buyers/ Resource Planners

  • Raw material delivery schedules are agreed with the suppliers

  • Materials are stored close to their point of use

  • Production personnel request materials using a computerised Kanban system

  • A preventative maintenance system is used to maintain production lines

  • A vendor appraisal/ supplier award system is used to maintain quality/ cost/ service


Production order sample

Production Order - sample

Break out production order


Delivery schedule

Delivery Schedule


Dry goods storage

Dry Goods Storage


J i t just in time

Kanban


Rdt picking list

RDT – Picking List


Vendor appraisal

Vendor Appraisal


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