Blow Molding & Hollow Plastic Products calculator

Cavitation Output Calculator

Cavitation output shows how many good containers a mold is actually producing after blocked cavities, short shots, neck finish issues, and quality losses. Process engineers use it to compare mold cavitation, balance heads, and decide whether a cavity should stay in production or be pulled for repair.

What this calculator does

  • Estimate effective bottle or container throughput from completed output, runtime, and cavitation efficiency for blow molding molds.
  • a production team needs to measure actual output from a multi-cavity bottle, container, or preform mold
  • Returns effective containers per hour after applying the cavitation efficiency assumption.

Formula used

  • Raw mold output = good containers produced ÷ measured mold runtime
  • Effective cavitation output = raw mold output × cavitation efficiency

Inputs explained

  • Cavitation Output completed output: undefined
  • Cavitation Output runtime: undefined
  • Cavitation Output efficiency: undefined

How to use the result

  • Use it for mold balancing, capacity commitments, blocked-cavity reviews, and mold repair prioritization.
  • It is only as good as the runtime and good-count data; short samples can hide intermittent cavity, cooling, and leak-test problems.

Common questions

  • What information do I need for cavitation output? Enter good containers produced, runtime, and the efficiency loss from blocked cavities, rejects, downtime, or pack-out interruptions.
  • Which units should I use? Use one consistent basis for the whole calculation, such as grams, pounds, kilograms, bottles, containers, mold cycles, hours, psi, or dollars. Do not mix grams and pounds or bottles and cases without converting first.
  • When is this only an estimate? It is only as good as the runtime and good-count data; short samples can hide intermittent cavity, cooling, and leak-test problems.
  • How can I use the result? Use it to decide whether to repair cavities, move work to another mold, add shifts, or revise the production schedule.

Last reviewed 2026-05-12.