Finishing worked example

Coating Line Throughput at 99% line uptime: a worked example

Push line uptime 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

  • Parts per rack or carrier: 24 parts / cycle (unchanged)
  • Line cycles per hour: 18 cycles / hr (unchanged)
  • Line uptime: 99 % (raised for this scenario; the documented default is 90)
  • First-pass 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 / hr for good output capacity, the number this scenario is built around.
  • At this operating point the engine returns 432 parts / hr for gross capacity.
  • At this operating point the engine returns 4.32 parts / hr for uptime loss.
  • At this operating point the engine returns 12.83 parts / hr for yield loss.

How this compares with the baseline

  • Against the tool's baseline example, where line uptime sits at 90% and the headline result is 377 parts / hr, this scenario comes in 10% above the baseline at 415 parts / hr.
  • It computes good output capacity in parts per hour by multiplying rack positions by cycle rate to get gross capacity, then derating for line uptime and first-pass yield. 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 / hr (headline result)
  • Gross capacity: 432 parts / hr
  • Uptime loss: 4.32 parts / hr
  • Yield loss: 12.83 parts / hr

Run it with your numbers

  • Every input above is editable in the live Coating Line Throughput calculator, which recalculates instantly and can be shared with the inputs intact.

Last reviewed 2026-05-12.