Precision Springs, Stampings & Micro-Formed Components worked example

Progressive Die Scrap at 99% target progressive die scrap rate: a worked example

Push target progressive die scrap rate up to 99% and the picture changes. This example computes every intermediate figure at that operating point. Use it when progressive die scrap in precision springs, stampings and micro-formed components needs a clean rate and gap-to-target you can put on a tier board.

The inputs for this scenario

  • Progressive die scrap count: 8 count (unchanged)
  • Total progressive die scrap population: 250 count (unchanged)
  • Target progressive die scrap rate: 99 % (raised for this scenario; the documented default is 95)

Working through the calculation

  • Applying the documented formula (Progressive die scrap rate = progressive die scrap count ÷ total progressive die scrap population × 100) to the inputs above produces each figure below.
  • At this operating point the engine returns 3.2 % for progressive die scrap rate, the number this scenario is built around.
  • At this operating point the engine returns 95.8 points for progressive die scrap gap to target.
  • At this operating point the engine returns 8 count for progressive die scrap count.
  • At this operating point the engine returns 250 count for total progressive die scrap population.

How this compares with the baseline

  • Against the tool's baseline example, where target progressive die scrap rate sits at 95% and the headline result is 3.2 %, this scenario lands almost exactly on the baseline at 3.2 %.
  • It computes the scrap rate as reject count divided by total parts times 100, and reports the gap between that rate and your target. 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

  • Progressive die scrap rate: 3.2 % (headline result)
  • Progressive die scrap gap to target: 95.8 points
  • Progressive die scrap count: 8 count
  • Total progressive die scrap population: 250 count

Run it with your numbers

  • Every input above is editable in the live Progressive Die Scrap calculator, which recalculates instantly and can be shared with the inputs intact.

Last reviewed 2026-05-12.