Rare Earth Magnet & Motor Materials worked example

Capacity Gap at 65% expected furnace and line uptime: a worked example in rare earth magnet & motor materials

Suppose expected furnace and line uptime falls to 65%. This page works the full calculation at that level so you can see exactly which result moves and by how much. Estimate capacity gap for rare earth magnet and motor materials using production-ready inputs so teams can confirm whether capacity can cover demand before committing the schedule.

The inputs for this scenario

  • Finished magnets pressed per sinter cycle: 4 units / cycle (held at the documented default)
  • Sinter cycles available in the period: 480 cycles (held at the documented default)
  • Expected furnace and line uptime: 65 % (the input this scenario stresses; the baseline uses 90)
  • Expected magnet first-pass yield: 97 % (held at the documented default)

Working through the calculation

  • The calculation starts from the formula this tool documents: Gross capacity gap capacity = capacity gap output per cycle × available capacity gap cycles.
  • Good capacity gap capacity works out to 1,211 units at these inputs, and this is the headline figure for the scenario.
  • Gross capacity gap capacity works out to 1,920 units at these inputs.
  • Capacity gap downtime loss works out to 672 units at these inputs.
  • Capacity gap yield loss works out to 37.44 units at these inputs.

How this compares with the baseline

  • Against the tool's baseline example, where expected furnace and line uptime sits at 90% and the headline result is 1,676 units, this scenario comes in 27.78% below the baseline at 1,211 units.
  • It computes gross capacity from output per cycle and available cycles, then discounts it by uptime and first-pass yield to give good deliverable units, plus the downtime and yield losses separately. When the numbers land here, the stressed input is the lever to work; the walkthrough above shows exactly how much each output recovers as it climbs back toward the baseline.

Results at a glance

  • Good capacity gap capacity: 1,211 units (headline result)
  • Gross capacity gap capacity: 1,920 units
  • Capacity gap downtime loss: 672 units
  • Capacity gap yield loss: 37.44 units

Run it with your numbers

  • To rerun this with your own numbers, open the live Capacity Gap calculator, set expected furnace and line uptime to your actual value, and adjust the remaining inputs to match your operation.

Last reviewed 2026-05-12.