Industrial Filtration, Separation & Dust Collection worked example

Coolant Filtration Rate at 99% target coolant cleanliness rate: a worked example

This scenario runs the coolant filtration rate calculation on the strong side: 99% target coolant cleanliness rate, with every other input held at its documented default. Use it when checking whether tramp oil, fines, chips, or suspended solids removal is meeting machining coolant requirements.

The inputs for this scenario

  • Coolant volume passing cleanliness spec: 9,200 gal (unchanged)
  • Total coolant volume filtered: 10,000 gal (unchanged)
  • Target coolant cleanliness rate: 99 % (raised for this scenario; the documented default is 95)

Working through the calculation

  • Applying the documented formula (Coolant filtration rate = acceptable filtered coolant volume ÷ total coolant volume processed × 100) to the inputs above produces each figure below.
  • At this operating point the engine returns 92 % for coolant filtration rate, the number this scenario is built around.
  • At this operating point the engine returns 7 points for coolant filtration gap to target.
  • At this operating point the engine returns 9,200 count for acceptable filtered coolant volume.
  • At this operating point the engine returns 10,000 count for total coolant volume processed.

How this compares with the baseline

  • Against the tool's baseline example, where target coolant cleanliness rate sits at 95% and the headline result is 92 %, this scenario lands almost exactly on the baseline at 92 %.
  • Use it during coolant audits, when commissioning a new filtration stage, or when tool life or surface finish starts slipping. 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

  • Coolant filtration rate: 92 % (headline result)
  • Coolant filtration gap to target: 7 points
  • Acceptable filtered coolant volume: 9,200 count
  • Total coolant volume processed: 10,000 count

Run it with your numbers

  • Every input above is editable in the live Coolant Filtration Rate calculator, which recalculates instantly and can be shared with the inputs intact.

Last reviewed 2026-05-12.