Aggregate Planning and JIT - Week 5

 0    11 flashcards    dklekowski
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planning horizons
bắt đầu học
operational, tactical, strategic
operational decisions (up to3 months)
bắt đầu học
short-range plans: job assignments, ordering, job scheduling, dispatching
tactical decisions (up to 2 years)
bắt đầu học
intermediate-range plans: sales planning, production planning and budgeting, setting employment, subcontracting levels
strategic decisions (up to 5 years)
bắt đầu học
long-range plans: R&D, new product plans, capital expenses, facility location
Aggregate planning Goals
bắt đầu học
meet demand, use capacity efficiently, minimise cost, meet inventory policy
AP strategies
bắt đầu học
change capacity - inventory levels, varying work force, subcontracting, using part-time workers; change demand - influencing demand, backordering during high demand periods; Mixed strategy
Just-in-Time
bắt đầu học
supplies end components are pulled through the system to arrive where and when are needed; attacks waste; exposes problems and bottlenecks; Lean production is its western implementation
7 wastes of JIT
bắt đầu học
overproducing, waiting, transportation, inefficient processing, inventory, unnecessary motion, product defects
push system (MRP)
bắt đầu học
material is pushed into downstream workstations, regardless of whether resources are available; make-to-stock
pull system (JIT)
bắt đầu học
material is pulled to a workstation just as it is need; make-to-order
Results of JIT
bắt đầu học
queue and delay reduction: speeds throughput, frees assets; quality improvement, cost reductions, rework reduction, variability reductions in the workplace

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