文档介绍：Operations
Management
Just-in-Time Systems
1
Outline
¨Just-in-Time Philosophy
¨Suppliers
¨Goals of JIT Partnerships
¨Concerns of Suppliers
¨JIT Layout
¨Distance Reduction
¨Increased Flexibility
¨Impact on Employees
¨Reduced Space and Inventory
2
Outline - continued
¨Inventory
¨Reduce Variability
¨Reduce Inventory
¨Reduce Lot Sizes
¨Reduce Setup Costs
¨Scheduling
¨Level Material-Use Schedules
¨Kanban
3
Outline Continued
¨Quality
¨Employee Empowerment
¨JIT in Services
4
Learning Objectives
¨Explain Just-in-Time (JIT)
¨Compare 憄ull?& 憄ush ?systems
¨List the types of waste
¨Describe the JIT requirements
¨State goals of JIT vendor partnerships
¨Explain the impact of JIT on layout
¨Explain the impact of JIT on quality and
employees
5
Introductory Quotation
Waste is 慳nything other than the
minimum amount of equipment,
materials, parts, space, and
worker抯 time, which are
absolutely essential to add value
to the product.
?Shoichiro Toyoda
President, Toyota
?1995 Corel Corp.
6
Supplier ?Production ?Distribution
System
Customer
Productions Inventories
Supplier Distribution Distribution
Inventories Inventories
Raw Material Work-in-process Factory
Inventory Inventory Finished Retailer
Goods Inventory
Inventory
Raw material
in-transit
Orders
Component
Inventory
Sub-assembly Warehouse
Inventory
parts in-transit MRO
Inventory
Orders
Maintenance,
repair, and ordering
supplies in-transit Production and Shipping and
Purchasing Inventory Control Traffic
7
What is Just-in-Time?
¨Management philosophy of continuous and
forced problem solving
¨Supplies ponents are 憄ulled?through
system to arrive where they are needed when
they are needed.
8
What Does Just-in-Time Do?
¨Attacks waste
¨Anything not adding value to the product
¨Customer抯 perspective
¨Exposes problems and bottlenecks
¨Caused by variabili