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Just In Time
INTRODUCTION:-
∙ During 1970s and 1980s JIT was
developed by Japanese company,Toyoto
to achieve product quality at minimum
 cost.

∙ After world war 2,manufacturing co. faced
challenges of increasing the speed to fulfill the
customer needs with quality and less cost.

∙ JIT PHILOSOPHY-known as philosophy coz it
goes beyond inventory control and includes
full production system.
“just in time is an approach that seeks to
   eliminate all sources of waste in production
          activities by providing the right
       part at right time and at right place”.

∙ A philosophy of continuous and forced
  problem solving.
∙ Supplies and components are “pulled” through
this system where needed.
∙ Add value by driving out waste.
∙ No excess time and inventory.
∙ Rapid response and low cost.
ELEMENTS:-
1. To acquire inventory when needed.
2. Improve qualities to zero defects.
3. Reduce lead time by reducing set-up
times ,queue lengths and lot sizes.
4. To revise operations daily.
5. Cost minimizing factor.
6. Involvement of people.
Concepts of JIT:-

1. Elimination Of waste and variability.

2. ‟PULL‟ versus „PUSH‟ system.

3. Manufacturing cycle time.
   WASTE REDUCTION:-
      .Anything that does not add value.
      .products being stored, delayed,
       products waiting in queue and defectives..


   VARIABILITY REDUCTION:-
      .Due to internal and external factors.
      .Is any deviation from the optimum process
       that delivers perfect product on time.
. JUST IN TIME is pull system as material
Is supplied only when requested and needed.



. PUSH SYSTEM- A system that pushes
  materials into downstream work stations
  regardless of their need or availability of
  resources to perform work.
.Time between the arrival of raw material
 and shipping of finished material
 JUST IN TIME helps reducing it.

OTHER NAMES:-
1.ZERO INVENTORY
2.SYNCHRONOUS MANUFACTURING.
3.MATERIAL AS NEEDED.
   Produce according to customer needs.
   Produce as quickly as customer wants.
   Produce perfect quality.
   Produce in minimum lead times.
   Produce product with features that customer
    wants.
   Produce with no waste of labour, material
    or equipment.
   1.PULL METHOD OF MATERIAL FLOW:-
        system that pulls a unit to where it is
        needed just as it is needed.

   2.CONSISTENT HIGH QUALITY:-
         Eliminate scrap and achieve uniform
          flow.
         Implementation of behavioral and
    statistical methods of TQM.
3.SMALL LOT SIZES:-
     Rather building up of inventory
     JIT system maintain inventory
     with small lot size.

 4.UNIFORM WORK LOAD:-
     Assembling the small type and
     number of products each day.

 5.STANDERDISED COMPONENTS:-
      Achieve high productivity and
      low inventory.
      Repetitive production situation.
6.CLOSE SUPPLIER TIES:-
       Close relationship with suppliers
       enable to operate with low level of
       inventories.
7.FLEXIBLE WORK FORCE:-
        Workers with multiskills trained to
        perform more than one job.
8.AUTOMATED PRODUCTION:-
        Low cost production.
        greater profits.
        greater market share.
   Good quality products.
   Fastest response time.
   Lowest cost.
   Work as competitive advantage.
   Timeliness.
   Full utilization of resources and workers.
   Improved production process.
   JIT DEMAND DISCIPLINE-on time, no defects.
   BASED ON COOPERATION-no suspicion or
    distrust in suppliers, managers, workers.
   AMBIGOUS-different managers think
    differently.
   EXPENSIVE-training cost, preventive
    maintenance, consulting cost.
   STRESS ON SHOP WORKERS.
   TIMELY SETUPS-short setups and frequent
     shipments and receipts.
Just In Time

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Just In Time

  • 2. INTRODUCTION:- ∙ During 1970s and 1980s JIT was developed by Japanese company,Toyoto to achieve product quality at minimum cost. ∙ After world war 2,manufacturing co. faced challenges of increasing the speed to fulfill the customer needs with quality and less cost. ∙ JIT PHILOSOPHY-known as philosophy coz it goes beyond inventory control and includes full production system.
  • 3. “just in time is an approach that seeks to eliminate all sources of waste in production activities by providing the right part at right time and at right place”. ∙ A philosophy of continuous and forced problem solving. ∙ Supplies and components are “pulled” through this system where needed. ∙ Add value by driving out waste. ∙ No excess time and inventory. ∙ Rapid response and low cost.
  • 4. ELEMENTS:- 1. To acquire inventory when needed. 2. Improve qualities to zero defects. 3. Reduce lead time by reducing set-up times ,queue lengths and lot sizes. 4. To revise operations daily. 5. Cost minimizing factor. 6. Involvement of people.
  • 5. Concepts of JIT:- 1. Elimination Of waste and variability. 2. ‟PULL‟ versus „PUSH‟ system. 3. Manufacturing cycle time.
  • 6. WASTE REDUCTION:- .Anything that does not add value. .products being stored, delayed, products waiting in queue and defectives..  VARIABILITY REDUCTION:- .Due to internal and external factors. .Is any deviation from the optimum process that delivers perfect product on time.
  • 7. . JUST IN TIME is pull system as material Is supplied only when requested and needed. . PUSH SYSTEM- A system that pushes materials into downstream work stations regardless of their need or availability of resources to perform work.
  • 8. .Time between the arrival of raw material and shipping of finished material JUST IN TIME helps reducing it. OTHER NAMES:- 1.ZERO INVENTORY 2.SYNCHRONOUS MANUFACTURING. 3.MATERIAL AS NEEDED.
  • 9. Produce according to customer needs.  Produce as quickly as customer wants.  Produce perfect quality.  Produce in minimum lead times.  Produce product with features that customer wants.  Produce with no waste of labour, material or equipment.
  • 10. 1.PULL METHOD OF MATERIAL FLOW:- system that pulls a unit to where it is needed just as it is needed.  2.CONSISTENT HIGH QUALITY:- Eliminate scrap and achieve uniform flow. Implementation of behavioral and statistical methods of TQM.
  • 11. 3.SMALL LOT SIZES:- Rather building up of inventory JIT system maintain inventory with small lot size. 4.UNIFORM WORK LOAD:- Assembling the small type and number of products each day. 5.STANDERDISED COMPONENTS:- Achieve high productivity and low inventory. Repetitive production situation.
  • 12. 6.CLOSE SUPPLIER TIES:- Close relationship with suppliers enable to operate with low level of inventories. 7.FLEXIBLE WORK FORCE:- Workers with multiskills trained to perform more than one job. 8.AUTOMATED PRODUCTION:- Low cost production. greater profits. greater market share.
  • 13. Good quality products.  Fastest response time.  Lowest cost.  Work as competitive advantage.  Timeliness.  Full utilization of resources and workers.  Improved production process.
  • 14. JIT DEMAND DISCIPLINE-on time, no defects.  BASED ON COOPERATION-no suspicion or distrust in suppliers, managers, workers.  AMBIGOUS-different managers think differently.  EXPENSIVE-training cost, preventive maintenance, consulting cost.  STRESS ON SHOP WORKERS.  TIMELY SETUPS-short setups and frequent shipments and receipts.