Scheduling Flashcards
Business Plan: Duration and Description
Long term: 2-10 years, new products, facility, location,
Aggregate Plan (S&OP): Duration and Description
What and How you aggregate matters
Medium Term: 6-18 months, production plan to meet aggregate demand
Master Production Schedule: Duration and Description
Short Term: Weekly, Daily , production plan for individual products
Product Families
Products w/ similar demand requirements and processing/labour requirements grouped together
Aggregation depends on Workforce
depends on workforce flexibility
Planning Horizon
Length of time covered by plan
Sales and Operating Plan, S&OP (6)
Marketing
Operations
Accounting
Human Resources
Materials
Engineering
Demand can be satisfied by adjusting (5)
Anticipation inventory, workforce levels, capacity utilization, vacation scheduling, subcontracting
Anticipation inventory and adjusting demand
built up during slow periods
Workforce levels can be changed through
hiring and laying off workers/employees
Overtime and Undertime can be used to
adjust output within workforce
Shut down plant during slow periods forces
vacation time, skeleton production
Subcontractors can be used to deal with
short term capacity storage
Two scheduling strategies
Chase and Level
Level Strategy:
_____ production rate
demand variability dealt by (4)
good for which type of process structure alignment
good for _____ stability
bad for inventory ____ or _____
example
constant
inventory, back orders, overtime, undertime, subcontractors
make-to-stock
workforce stability
stockouts or build up
example pen factory
Describe Level Strategy graph
production constant and demand fluctuates around the production. Respect to time and units
Chase Strategy:
production “____” demand
change production by _____
good for which type of process structure alignment
good for _____ inventory
bad for employee _____
example
chases
hiring/firing workers
make to order, service
minimizing inventory
employee morale
pizza production, fast fashion
Describe graph of chase strategy
fluctuating pattern of demand and production (equivalent) with respect to time and units
Mixed Strategy, used and considers?
used in real life
considers full range supply options
What are supply chain options?
Hiring workers, lying off workers (Chase), overtime, undertime and vacation scheduling (level), anticipation inventory, part time workers, subcontractors and other managing demand strategies from forecast unit (mixed)
