JUST IN TIME (JIT) /LEAN PRODUCTION
BY– Raghav jha
RAGHAV JHA
AN INTRODUCTION
JIT philosophy means getting the right quantity of goods at the right place and the right time .
A manufacturing philosophy based on planned elimination of all wastes and continuous improvement of productivity.
The primary elements include: required inventory when needed(Zero inventory) zero defects Zero lead time(min.) Reduce queue lengths and lot sizes minimum cost Lot size one
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Material FlowInformation Flow
FGI
CustomerRaw
MaterialSupplier
FinalAssembly
PUSH
FGI
CustomerRaw
MaterialSupplier
FinalAssembly
PULL
Three Elements of JIT
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Three Elements of JIT
JUST IN TIME MANUFACTURING—– It focuses on production system to achieve value-
added manufacturing . TOTAL QUALITY MANAGEMENT
QM is an integrated effort designed to improve quality performance at every level
Respect for people Respect for people rests on the philosophy that human
resources are an essential part of JIT philosophy
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Requirements for Successful JIT
Pull production systems
Good customer-supplier relationships
Short distance between customer & supplier.
Reliable delivery
Consistent quality with zero defects.
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Benefits of JIT Better quality products
Reduction in scrap and rework
Less inventory(thus less inventory holding cost)
Smoother production flow
Reduced space requirements
Increased productivity
Better relationship with suppliers & customersRAGHAV JHA
KANBAN SYSTEM It is a production control approach that uses containers,
cards, or visual signals to control the production & movement of goods in a supply chain.
Two card kanban system Single card kanban system Color coding of containers Computerized bar coding systems.
TYPES OF KANBAN System
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Two cards kanban system
In this system two type of card is used to give instruction for production and movement of material and labour.
production card– This card is used to control the production system.
move card– Move card is used to control the movement of materials
Cards contains all details regarding what product & in what quantity need to be produced or moved.
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WORKING OF KANBAN SYSTEM
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