Specialty Films, Membranes & Barrier Materials worked example

Slitting Capacity at 65% slitter uptime: a worked example in specialty films, membranes & barrier materials

This worked example runs the slitting capacity numbers for a tougher week than the baseline: 65% slitter uptime instead of the typical 90%. Estimate slitting capacity for specialty films, membranes and barrier materials using production-ready inputs so teams can confirm whether capacity can cover demand before committing the schedule.

The inputs for this scenario

  • Web widths slit per slitter cycle: 4 units / cycle (held at the documented default)
  • Slitter cycles available in the period: 480 cycles (held at the documented default)
  • Slitter uptime (share of scheduled run time): 65 % (the input this scenario stresses; the baseline uses 90)
  • First-pass slit-roll yield: 97 % (held at the documented default)

Working through the calculation

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

How this compares with the baseline

  • Against the tool's baseline example, where slitter 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.
  • Use it when scheduling slitting jobs, sizing a slitting line, or reconciling why a shift produced fewer good rolls than the master roll count implied. A result at this level usually justifies acting on the stressed input before touching anything else, because every other figure in the table is downstream of it.

Results at a glance

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

Run it with your numbers

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

Last reviewed 2026-05-12.