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L15 Scheduling
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Flashcards in this deck (46)

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  • What are the two types of activities in scheduling?

    Fixed and flexible

    scheduling activities

  • What do some tasks depend on?

    Other tasks or people

    scheduling dependencies

  • What do we do as the situation changes?

    Adjust our plan

    scheduling planning

  • What caused KFC's outlets to close?

    Supply chain issue

    scheduling supplychain

  • How many warehouses did KFC reorganize to?

    1 central warehouse

    scheduling warehousing

  • What cut off the new warehouse from deliveries?

    Unplanned road closures

    scheduling logistics

  • What could have avoided KFC's scheduling problem?

    Adjusting delivery schedules

    scheduling problem-solving

  • What happens with too much electricity in the National Grid?

    System overloads and blackouts occur

    scheduling electricity

  • What is critical in power production scheduling?

    Forecasting demand

    scheduling power

  • What is the last stage of production planning?

    Scheduling

    scheduling production

  • What does good scheduling meet?

    Customer demand

    scheduling customer

  • What does good scheduling avoid?

    Overproduction and excessive WIP

    scheduling efficiency

  • What drives demand for car tyres?

    Two types of customers

    scheduling demand

  • What are the three types of customer demand profiles?

    Fixed, variable day-to-day, seasonal

    scheduling demand

  • What effect did COVID-19 have on aerospace manufacturing?

    Unpredictable demand

    scheduling covid-19

  • What drives scheduling decisions?

    Sales volume and product cost

    scheduling decisions

  • What are the three timescales for scheduling?

    Short term, medium term, long term

    scheduling timescales

  • What is the short-term launch plan for parts?

    15 x Part A, 27 x Part B, 12 x Part C

    scheduling launch

  • What is required for long-term factory production?

    100 operators, 5 maintenance staff, 26 machines

    scheduling long-term

  • What is expected to produce in Q1-2025?

    4000 parts

    scheduling q1-2025

  • What does the Process Plan define?

    Sequence of machining operations for each product

    scheduling processplan

  • What does the Schedule define?

    Sequence of components planned through each process

    scheduling schedule

  • What does the Schedule specify for car body panels?

    How many are stamped out per day and in what order

    scheduling car_manufacturing

  • What is the purpose of forecasts in steel production?

    To predict demand and decide when to invest in more equipment or people.

    steel forecasting

  • What is a key characteristic of flow production scheduling?

    Each product has a dedicated line.

    flow_production scheduling

  • What are long term adjustments in scheduling for?

    Market growth.

    scheduling market_growth

  • What seasonal variation can affect scheduling?

    Electricity demand.

    scheduling seasonal_variation

  • What is planned downtime in scheduling?

    Managing maintenance.

    scheduling maintenance

  • What is short term adjustment in scheduling?

    Adjusting shift patterns for holidays.

    scheduling shift_patterns

  • What is a characteristic of batch production?

    Process plan for each product is well defined.

    batch_production process_planning

  • What does 'Make to Stock' mean in batch production?

    Maintains a buffer of completed products.

    batch_production make_to_stock

  • When is manufacturing triggered in batch production?

    When stock levels get low.

    batch_production stock_levels

  • What is a key consideration in scheduling batch production?

    Batch size.

    batch_production scheduling

  • What is a challenge in job production scheduling?

    Workflow is not linear.

    job_production scheduling

  • What is the scheduling rule FIFO?

    First In First Out, orders by arrival.

    scheduling fifo

  • What does the Earliest Due Date scheduling rule prioritize?

    Jobs with the least time left before due dates.

    scheduling earliest_due_date

  • What is the goal of the Shortest Processing Time rule?

    Minimize work in progress (WIP).

    scheduling shortest_processing_time

  • What does the Longest Processing Time rule minimize?

    The impact of long jobs going wrong.

    scheduling longest_processing_time

  • What does the Critical Ratio rule prioritize?

    Jobs with the lowest ratio of time until due date to processing time.

    scheduling critical_ratio

  • What does multi-process scheduling consider?

    Jobs needing different combinations of multiple processes.

    scheduling multi-process

  • What are forward and backward scheduling used for?

    To manage jobs requiring different processes in manufacturing.

    scheduling forward backward

  • What is forward scheduling?

    Jobs start as soon as machines, operators, and consumables are available. Suitable for made-to-order jobs. Can result in early completion of parts. Protects the customer but may not be cost efficient.

    scheduling forward

  • What is backward scheduling?

    Jobs are planned in reverse order from their due date. Identifies when machines, operators, and consumables are needed. Avoids unnecessary early costs of consumables.

    scheduling backward

  • What is required for full factory planning?

    A combination of forward and backward scheduling approaches, often represented using a Gantt chart.

    planning factory

  • What does a Gantt chart show?

    It displays all parts, processes, and dependencies involved in the factory plan.

    planning gantt_chart

  • What software is used in factory planning?

    Planning software is used to create Gantt charts, track progress, and highlight conflicts.

    software planning