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What are the two types of activities in scheduling?
Fixed and flexible
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What do some tasks depend on?
Other tasks or people
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What do we do as the situation changes?
Adjust our plan
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What caused KFC's outlets to close?
Supply chain issue
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How many warehouses did KFC reorganize to?
1 central warehouse
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What cut off the new warehouse from deliveries?
Unplanned road closures
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What could have avoided KFC's scheduling problem?
Adjusting delivery schedules
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What happens with too much electricity in the National Grid?
System overloads and blackouts occur
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What is critical in power production scheduling?
Forecasting demand
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What is the last stage of production planning?
Scheduling
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What does good scheduling meet?
Customer demand
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What does good scheduling avoid?
Overproduction and excessive WIP
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What drives demand for car tyres?
Two types of customers
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What are the three types of customer demand profiles?
Fixed, variable day-to-day, seasonal
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What effect did COVID-19 have on aerospace manufacturing?
Unpredictable demand
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What drives scheduling decisions?
Sales volume and product cost
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What are the three timescales for scheduling?
Short term, medium term, long term
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What is the short-term launch plan for parts?
15 x Part A, 27 x Part B, 12 x Part C
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What is required for long-term factory production?
100 operators, 5 maintenance staff, 26 machines
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What is expected to produce in Q1-2025?
4000 parts
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What does the Process Plan define?
Sequence of machining operations for each product
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What does the Schedule define?
Sequence of components planned through each process
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What does the Schedule specify for car body panels?
How many are stamped out per day and in what order
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What is the purpose of forecasts in steel production?
To predict demand and decide when to invest in more equipment or people.
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What is a key characteristic of flow production scheduling?
Each product has a dedicated line.
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What are long term adjustments in scheduling for?
Market growth.
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What seasonal variation can affect scheduling?
Electricity demand.
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What is planned downtime in scheduling?
Managing maintenance.
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What is short term adjustment in scheduling?
Adjusting shift patterns for holidays.
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What is a characteristic of batch production?
Process plan for each product is well defined.
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What does 'Make to Stock' mean in batch production?
Maintains a buffer of completed products.
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When is manufacturing triggered in batch production?
When stock levels get low.
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What is a key consideration in scheduling batch production?
Batch size.
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What is a challenge in job production scheduling?
Workflow is not linear.
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What is the scheduling rule FIFO?
First In First Out, orders by arrival.
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What does the Earliest Due Date scheduling rule prioritize?
Jobs with the least time left before due dates.
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What is the goal of the Shortest Processing Time rule?
Minimize work in progress (WIP).
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What does the Longest Processing Time rule minimize?
The impact of long jobs going wrong.
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What does the Critical Ratio rule prioritize?
Jobs with the lowest ratio of time until due date to processing time.
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What does multi-process scheduling consider?
Jobs needing different combinations of multiple processes.
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What are forward and backward scheduling used for?
To manage jobs requiring different processes in manufacturing.
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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.
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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.
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What is required for full factory planning?
A combination of forward and backward scheduling approaches, often represented using a Gantt chart.
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What does a Gantt chart show?
It displays all parts, processes, and dependencies involved in the factory plan.
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What software is used in factory planning?
Planning software is used to create Gantt charts, track progress, and highlight conflicts.
Kartlarına buradan göz at, veya sign up to study with spaced repetition.
What are the two types of activities in scheduling?
Fixed and flexible
What do some tasks depend on?
Other tasks or people
What do we do as the situation changes?
Adjust our plan
What caused KFC's outlets to close?
Supply chain issue
How many warehouses did KFC reorganize to?
1 central warehouse
What cut off the new warehouse from deliveries?
Unplanned road closures
What could have avoided KFC's scheduling problem?
Adjusting delivery schedules
What happens with too much electricity in the National Grid?
System overloads and blackouts occur
What is critical in power production scheduling?
Forecasting demand
What is the last stage of production planning?
Scheduling
What does good scheduling meet?
Customer demand
What does good scheduling avoid?
Overproduction and excessive WIP
What drives demand for car tyres?
Two types of customers
What are the three types of customer demand profiles?
Fixed, variable day-to-day, seasonal
What effect did COVID-19 have on aerospace manufacturing?
Unpredictable demand
What drives scheduling decisions?
Sales volume and product cost
What are the three timescales for scheduling?
Short term, medium term, long term
What is the short-term launch plan for parts?
15 x Part A, 27 x Part B, 12 x Part C
What is required for long-term factory production?
100 operators, 5 maintenance staff, 26 machines
What is expected to produce in Q1-2025?
4000 parts
What does the Process Plan define?
Sequence of machining operations for each product
What does the Schedule define?
Sequence of components planned through each process
What does the Schedule specify for car body panels?
How many are stamped out per day and in what order
What is the purpose of forecasts in steel production?
To predict demand and decide when to invest in more equipment or people.
What is a key characteristic of flow production scheduling?
Each product has a dedicated line.
What are long term adjustments in scheduling for?
Market growth.
What seasonal variation can affect scheduling?
Electricity demand.
What is planned downtime in scheduling?
Managing maintenance.
What is short term adjustment in scheduling?
Adjusting shift patterns for holidays.
What is a characteristic of batch production?
Process plan for each product is well defined.
What does 'Make to Stock' mean in batch production?
Maintains a buffer of completed products.
When is manufacturing triggered in batch production?
When stock levels get low.
What is a key consideration in scheduling batch production?
Batch size.
What is a challenge in job production scheduling?
Workflow is not linear.
What is the scheduling rule FIFO?
First In First Out, orders by arrival.
What does the Earliest Due Date scheduling rule prioritize?
Jobs with the least time left before due dates.
What is the goal of the Shortest Processing Time rule?
Minimize work in progress (WIP).
What does the Longest Processing Time rule minimize?
The impact of long jobs going wrong.
What does the Critical Ratio rule prioritize?
Jobs with the lowest ratio of time until due date to processing time.
What does multi-process scheduling consider?
Jobs needing different combinations of multiple processes.
What are forward and backward scheduling used for?
To manage jobs requiring different processes in manufacturing.
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.
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.
What is required for full factory planning?
A combination of forward and backward scheduling approaches, often represented using a Gantt chart.
What does a Gantt chart show?
It displays all parts, processes, and dependencies involved in the factory plan.
What software is used in factory planning?
Planning software is used to create Gantt charts, track progress, and highlight conflicts.
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