Finishing worked example

Rack Loading Capacity at 99% line availability: a worked example

Push line availability up to 99% and the picture changes. This example computes every intermediate figure at that operating point. Use this calculator for practical powder coating or surface finishing planning, quoting, troubleshooting, or line setup.

The inputs for this scenario

  • Loadable rack positions: 24 parts / cycle (unchanged)
  • Rack index cycles per hour: 18 cycles / hr (unchanged)
  • Line availability: 99 % (raised for this scenario; the documented default is 90)
  • First-pass finish yield: 97 % (unchanged)

Working through the calculation

  • Applying the documented formula (Gross capacity = positions/rate × cycles) to the inputs above produces each figure below.
  • At this operating point the engine returns 415 parts for good output capacity, the number this scenario is built around.
  • At this operating point the engine returns 432 parts for gross capacity.
  • At this operating point the engine returns 4.32 parts for uptime loss.
  • At this operating point the engine returns 12.83 parts for yield loss.

How this compares with the baseline

  • Against the tool's baseline example, where line availability sits at 90% and the headline result is 377 parts, this scenario comes in 10% above the baseline at 415 parts.
  • It multiplies loadable rack positions by cycles to get gross capacity, then de-rates by line availability and first-pass finish yield to give good parts produced. The value of this scenario is the size of the gap it exposes: that gap, priced out over a year, is the budget you can justify spending to close it.

Results at a glance

  • Good output capacity: 415 parts (headline result)
  • Gross capacity: 432 parts
  • Uptime loss: 4.32 parts
  • Yield loss: 12.83 parts

Run it with your numbers

  • Every input above is editable in the live Rack Loading Capacity calculator, which recalculates instantly and can be shared with the inputs intact.

Last reviewed 2026-05-12.