Planning Flashcards
MPS
master planning schedule
based on aggregated plan
disaggregation of aggregated plan
6 months or less
long range planning
5 years
medium range
6-18 months
critical characteristics of MPS
aggregate plan bills of material (product recipe) planning horizons - 1y agg, <= 6m timeframe for an MPS, at lease eq to longest cumulative lead time of product time fences width of time bucket - demand grouping
lead time length
at least as long as planning horizon
available to promise
unsold inventory
units produces in time frame minus total orders booked in same time frame in MPS
frozen period
time before start where MPS cannot be changed
time fence
cumulative lead time to make a product
independent demand
not controlled by company
customer demand
finished product
dependent demand
demand from production process
MRP
material requirements planning
stocking materials for producing finished goods
dependent demand
materials needed to fulfill master schedule
Bill of Materials
materials needed to produce single item
components of MRP (material requirements plan)
Master schedule file - finished product, components or subassemblies
Bills of materials file
inventory file
when MPS is for components or subassemblies
custom products
cycle counting
physical count of each part at least once during replenishment cycle
