Lasers, Optics & Photonics Manufacturing worked example

Clean Optics Handling Burden at 35% gowning and bench prep allowance: a worked example

This scenario runs the clean optics handling burden calculation on the strong side: 35% gowning and bench prep allowance, with every other input held at its documented default. Use this when planning cleanroom technician staffing, costing the handling overhead for a quote, or evaluating whether automating part transfer between stations would pay back.

The inputs for this scenario

  • Total optic handling transfers: 200 transfers (unchanged)
  • Handling rate per technician: 20 transfers / hr (unchanged)
  • Gowning and bench prep allowance: 35 % (raised for this scenario; the documented default is 30)

Working through the calculation

  • Applying the documented formula (Base handling time = total transfers / handling rate) to the inputs above produces each figure below.
  • At this operating point the engine returns 13.5 hr for total cleanroom handling burden, the number this scenario is built around.
  • At this operating point the engine returns 10 hr for base handling time.
  • At this operating point the engine returns 35 % for gowning and prep time added.
  • At this operating point the engine returns 20 pieces / min for handling rate.

How this compares with the baseline

  • Against the tool's baseline example, where gowning and bench prep allowance sits at 30% and the headline result is 13 hr, this scenario comes in 3.85% above the baseline at 13.5 hr.
  • Use it when planning cleanroom staffing, scheduling a batch of optic transfers, or quantifying how much capacity gowning overhead consumes. Treat this as a target state: the delta against the baseline quantifies what the improvement is worth before you commit to chasing it.

Results at a glance

  • Total cleanroom handling burden: 13.5 hr (headline result)
  • Base handling time: 10 hr
  • Gowning and prep time added: 35 %
  • Handling rate: 20 pieces / min

Run it with your numbers

  • Every input above is editable in the live Clean Optics Handling Burden calculator, which recalculates instantly and can be shared with the inputs intact.

Last reviewed 2026-05-12.