Graphite, Anode & Battery Materials Processing worked example

Milling Throughput at 99% milling line uptime: a worked example

Push milling line uptime up to 99% and the picture changes. This example computes every intermediate figure at that operating point. Use it when a process engineer or production manager needs to confirm whether jet mills, impact mills, classifier mills, or spheroidization mills can cover a shift, pilot run, or customer demand window.

The inputs for this scenario

  • Accepted milled powder per cycle: 180 kg / cycle (unchanged)
  • Available milling cycles: 12 cycles (unchanged)
  • Milling line uptime: 99 % (raised for this scenario; the documented default is 88)
  • Milling first-pass yield: 82 % (unchanged)

Working through the calculation

  • Applying the documented formula (Gross milling output = accepted milled powder per cycle × available milling cycles) to the inputs above produces each figure below.
  • At this operating point the engine returns 1,753 kg for usable milling throughput, the number this scenario is built around.
  • At this operating point the engine returns 2,160 kg for gross milling output.
  • At this operating point the engine returns 21.6 kg for milling downtime loss.
  • At this operating point the engine returns 385 kg for milling first-pass yield loss.

How this compares with the baseline

  • Against the tool's baseline example, where milling line uptime sits at 88% and the headline result is 1,559 kg, this scenario comes in 12.5% above the baseline at 1,753 kg.
  • It computes net usable milled anode powder by multiplying gross per-cycle output by available cycles, 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

  • Usable milling throughput: 1,753 kg (headline result)
  • Gross milling output: 2,160 kg
  • Milling downtime loss: 21.6 kg
  • Milling first-pass yield loss: 385 kg

Run it with your numbers

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

Last reviewed 2026-05-12.