santosh kumar just in time presentation
TRANSCRIPT
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A Presentation on
Submitted to :-
VISVESVARAYA NATIONAL INSTITUTE OF TECHNOLOGY,NAGPUR
JUST IN TIME (JIT)
Prepared by :-
K S S SANTOSH KUMAR
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PROBLEMS IN MANUFACTURING…
Getting the right material and physical resources together at the right place and at the right time to meet the customer’s requirements.
Desired features, On time delivery, High Quality, at the best price…
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BREAKING DOWN THE PROBLEM…
Getting the material needed…
Having enough inventory of material to support production
Not having too much inventory and extra costs…
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Where the action is!
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JUST IN TIME
Only what is needed, nothing more... To have only the right materials, parts and products in theright place at the right time.
• Incorrectly rumored to have been invented by Henry Ford.
• Actually invented by Taiichi Ohno of Toyota.
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• Management philosophy• “Pull” system though the plant
WHAT IT IS
• Attacks waste• Exposes problems and bottlenecks• Achieves streamlined production
WHAT IT DOES
• Employee participation• Industrial engineering/basics• Continuing improvement• Total quality control• Small lot sizes
WHAT IT REQUIRES
• Stable environment
WHAT IT ASSUMES
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THREE ELEMENTS OF JIT
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JIT manufacturing focuses on production system to achieve value-added manufacturing
TQM is an integrated effort designed to improve quality performance at every level
Respect for people rests on the philosophy that human resources are an essential part of JIT philosophy
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CLAIMS FOR JIT:
reduced inventory
reduced WIP
shorter lead times not too early, not to late...
JIT is the result businesses want, not a starting point
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THE SEVEN WASTES
Waste of over production
Waste of waiting
Waste of transportation
Waste of processing itself
Waste of stocks
Waste of motion
Waste of making defective products
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ROLE OF INVENTORY REDUCTION
Inventory = Lead Time (less is better)
Inventory hides problems
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Benefits of JIT implementation include:
Reductions in downtime; Reductions in inventory; Reductions in scrap and rework; Reductions in work space; Increased inventory turns; Increased labor utilization; Increased equipment utilization; and Improved service to customers.
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IN MCDONALD’S
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CHALLENGES BEFORE MCDONALD'S
High holding costs are the nature of the fast food industries
Wastage Time
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IN MCDONALD’S
JIT system wherein McDonald's doesn't begin to cook its orders until a customer has placed a specific order.
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IMPLEMENTATION OF JIT
sophisticated burger-making technology (including a record-breaking bun toaster)
McDonald's is able to make food fast enough to wait until it's been ordered.
Reduction in wastage
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IMPLEMENTING IN JIT PRODUCTION SYSTEMS
Criteria for success
1. Service
2. Quality
3. People
4. Food preparation
5. Profitability
.
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BENEFITS
Improved Quality – The burgers are prepared freshly and hence the quality has improved.
Customer service – As the burger is made only after the order is placed, making special orders is not an issue.
Cost Reduction – Due to significant reduction in wastage as uncooked material has a higher shelf life.
Reduction in waiting – Customer’s waiting time reduce 11 min. to just 1 and half min.
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