JUST IN TIME
Other names for JIT
ZIPS (Zero inventory production system) MAN (Materials as needed) NOT (Nick of time)
Meaning JIT means that virtually no inventories are held at any stage of production and that the exact number of units is brought to each successive stages of production at the right time.
BASIC PRINCIPLES
Unreliable or unpredictable deliveries Poor quality from suppliers Increased variety of materials Machine breakdown Labour absenteeism Frequent machine setting Variation in operators’ capabilities Schedule changes Changing product priorities Product modification
Advantages
Warehouse cost Low risk Selection of suppliers Maintenance cost Quality materials Low cost of materials Market fluctuations No idle investment
Push/Pull production
Produce on demand (pull system) Produce to forecasts of demand or make to stock (push system)