Lasers, Optics & Photonics Manufacturing worked example
Lens Inspection Workload at 17% documentation and calibration allowance: a worked example
Push documentation and calibration allowance up to 17% and the picture changes. This example computes every intermediate figure at that operating point. Use this when scheduling QC inspector time for a production lot, deciding whether to add automated inspection equipment, or costing incoming inspection for purchased optics.
The inputs for this scenario
- Components to inspect: 150 pieces (unchanged)
- Inspection rate: 8 pieces / hr (unchanged)
- Documentation and calibration allowance: 17 % (raised for this scenario; the documented default is 15)
Working through the calculation
- Applying the documented formula (Base inspection time = components to inspect / inspection rate) to the inputs above produces each figure below.
- At this operating point the engine returns 21.94 hr for total lens inspection workload, the number this scenario is built around.
- At this operating point the engine returns 18.75 hr for base inspection time.
- At this operating point the engine returns 17 % for documentation and calibration time added.
- At this operating point the engine returns 8 pieces / min for inspection rate.
How this compares with the baseline
- Against the tool's baseline example, where documentation and calibration allowance sits at 15% and the headline result is 21.56 hr, this scenario comes in 1.74% above the baseline at 21.94 hr.
- It computes total inspection labor hours from piece count and inspection rate, uplifted by a documentation and calibration allowance. 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
- Total lens inspection workload: 21.94 hr (headline result)
- Base inspection time: 18.75 hr
- Documentation and calibration time added: 17 %
- Inspection rate: 8 pieces / min
Run it with your numbers
- Every input above is editable in the live Lens Inspection Workload calculator, which recalculates instantly and can be shared with the inputs intact.
Last reviewed 2026-05-12.