Aluminum Extrusion & Profile Manufacturing worked example

Aluminum Aging Oven Load Capacity at 66% aging oven uptime: a worked example

Here is what the math looks like when conditions slip. We hold every other input steady and drop aging oven uptime to 66%, then walk the calculation through step by step. Estimate usable aging oven load capacity from profile bundles per oven cycle, available cycles, oven uptime, and aging acceptance yield.

The inputs for this scenario

  • Profile bundles per aging cycle: 8 units / cycle (held at the documented default)
  • Available aging oven cycles: 30 cycles (held at the documented default)
  • Aging oven uptime: 66 % (the input this scenario stresses; the baseline uses 92)
  • Post-aging acceptance yield: 98 % (held at the documented default)

Working through the calculation

  • The calculation starts from the formula this tool documents: Gross aging oven capacity = profile bundles per cycle × available aging oven cycles.
  • Usable aging oven load capacity works out to 155 aged loads at these inputs, and this is the headline figure for the scenario.
  • Gross aging oven load capacity works out to 240 aged loads at these inputs.
  • Capacity lost to downtime works out to 81.6 aged loads at these inputs.
  • Loads lost to aging or hardness rejects works out to 3.17 aged loads at these inputs.

How this compares with the baseline

  • Against the tool's baseline example, where aging oven uptime sits at 92% and the headline result is 216 aged loads, this scenario comes in 28.26% below the baseline at 155 aged loads.
  • The practical read: the gap between this scenario and the baseline is entirely attributable to aging oven uptime, so recovering it is worth quantifying in dollars before considering equipment or staffing changes. It assumes uniform cycle time per load; mixing alloys or wall thicknesses with different soak times will make a single cycle count inaccurate.

Results at a glance

  • Usable aging oven load capacity: 155 aged loads (headline result)
  • Gross aging oven load capacity: 240 aged loads
  • Capacity lost to downtime: 81.6 aged loads
  • Loads lost to aging or hardness rejects: 3.17 aged loads

Run it with your numbers

  • To rerun this with your own numbers, open the live Aluminum Aging Oven Load Capacity calculator, set aging oven uptime to your actual value, and adjust the remaining inputs to match your operation.

Last reviewed 2026-05-12.