Chapter 5 capacity management Flashcards
Capacity management
Supplying necessary resources
capacity is not the quantity of work done it is…
a rate of doing work
two kinds of capacity
capacity Available and capacity required
Capacity available
the capacity of a system to produce a quantity of output in a given time; The rate at which work can be withdrawn from the system
capacity required
the capacity of the system or resource needed to produce a desired outcome any given period of time
load
The amount of released and planned work assigned to a facility for a particular time.; The sum of all required capacities; The amount of work in the system
capacity is often pictured as…
A funnel
Capacity management
determining that capacity needed to achieve priority plans and providing, monitoring, and controlling that capacity
Capacity planning
The process of determining the resources required to meet the priority plan and methods needed to make capacity available
Capacity control
the process of monitoring production output comparing it with capacity plans, and taking corrective action
capacity planning
calculating the capacity needed to achieve the priority plan
the process of capacity planning 3 steps
- Determine available capacity at each work center
- Determine the load at each workcenter
- Resolve differences between the available capacity and required capacity. Adjust available capacity to match the load.
Planning levels
Long-range capacity resource requirements, directly linked to production planning, Changes in staffing, capital equipment, product design, or other facilities that take a long time to acquire and implement
rough-cut capacity planning
to check the feasibility of the master production schedule, provide warnings of any bottlenecks, ensure utilization of work centers, and advise vendors of capacity requirements
capacity requirements planning
is concerned with individual orders at individual centers and calculates work centers bloats and labor requirements for each time. At each workcenter
capacity requirements planning occurs at what level?
CRP occurs at the level of the material requirements plan MRP
capacity requirements planning is…
the process of determining in detail the amount of labor and machine resources necessary to achieve production
The most detailed, complete, and accurate of the capacity planning techniques
Capacity requirements planning
Capacity requirements planning: inputs
Open shop orders, plan to order releases, routing, time the standards, lead times, and workcenter capacities
Capacity requirements planning: inputs
4 major inputs?
- Open order file 2. Material requirements plan 3. Routing file 4. Work center file
Capacity requirements planning:
Inputs; open order file?
The open order file is a record of all active shop orders it can be maintained manually or as a computer file; appears as a scheduled receipt on the material requirements plan
Capacity requirements planning: inputs; plan to order releases?
Planned order releases are inputs to the capacity requirements plan process in assessing the total capacity required in future time periods
capacity requirements planning: inputs; Routing file?
A routing is the path that workflows from workcenter to workcenter as it is completed; specified on a route sheet; a routing file should exist for every component
capacity requirements planning: inputs; routing file information?
1 operations to be performed
- Sequence of operations
- Work centers to be used
- Possible alternate work centers
- Tooling needed at each operation
- Standard Times: set up times and run times per piece