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Direct Definition: Finite capacity scheduling is a production planning approach that schedules jobs only when actual machine capacity, tooling, and labour hours are available. Unlike infinite capacity planning, it never books work beyond the physical operating limits of the shop floor.
Finite capacity scheduling bridges the gap between theoretical sales forecasts and real-world shop floor execution. By enforcing realistic resource boundaries, it prevents machine overload and eliminates artificial delivery promises.
Finite vs Infinite Capacity Planning
The distinction between these two planning approaches is fundamental:
- Infinite Capacity Planning: Schedules jobs backward purely based on customer due dates, assuming machines have unlimited hours. This leads to massive bottleneck pileups and chronic late shipments.
- Finite Capacity Planning: Places jobs into specific, limited time slots. If a machine is already booked for eight hours on Tuesday, additional work automatically shifts to Wednesday or an alternative work centre.
Implementing Finite Capacity on the Shop Floor
Visual digital scheduling boards naturally enforce finite capacity by giving each machine a defined daily queue limit. Schedulers can see at a glance when a machine column is full, allowing them to balance loads across equivalent machines before delays occur.
Frequently Asked Questions
- What is finite capacity scheduling?
- It is a scheduling method that accounts for actual machine and labour constraints, never booking more work than a shop floor can physically execute.
- Why does infinite capacity planning fail?
- It ignores machine limits, resulting in unrealistic schedules, overloaded operators, and missed customer delivery deadlines.
- How do visual boards support finite scheduling?
- Visual boards display clear daily limits for each work centre, warning planners immediately when a workstation reaches full capacity.