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Capacity Management, Planning & Control (Production activity…
Capacity Management, Planning & Control
Capacity management
Resource planning
Rough- cut capacity planning
Capacity requirements planning
Input/output control
Capacity planning
Capacity control
Capacity objectives
Too little capacity
Too much capacity
Just right amount
Time horizons of capacity management
Resource planning
Resource profile
Staging capacity investments
stepwise lead strategy
One-step lead strategy
stepwise lag strategy
stepwise overlapping strategy
Resource management
Rough-cut capacity planning(RCCP)
Measuring capacity
Goals of RCCP for master production schedule output
Bottleneck capacity per item per time period is sufficient
The plan makes the best use of resuource
Customer delivery promises can be kept
The plan is still economical given all excess costs that will be incurred, such as overtime
Capacity requirements planning
Load & load leveling
Steps in CRP
Check open order file
Check planned order releases
Check the routing file
Operation to be perform
Sequence of operation
Work centers
Alternate work centers
Tooling needed for each operation
Standard times, including setup time for each piece as well as run time
Check the work center file
Production activity control(PAC)
4 objective
Execute the master production schedule and the material requirement plan
Make the best use of resource
Minimize work-in-process
Maintain customer service
Control function
Plan
Execute
Control
Establishing and maintain order priority
Tracking actual performance
Monitoring controlling work-in-process
Reporting work center performance
Measuring capacity
Available time
Utilization
Efficiency
Rate capacity=Available time x Utilization x Efficiency
Demonstrated capacity=output for n Periods/n
Capacity requirements
When load and capacity are out of balance
Change capacity to match the load
Add or reduce work hour
Hire or layoff workers
Shift the workforce
Change the routing
Subtract extra work to a third party or hire temporary workders
Change the load to match capacity
Change lot sizes
Change the schedule
Continuous improvement
Concentrate on constraints
Use visual signals