Industrial Valves, Actuators & Flow Control worked example

Valve Machining Cost at 72% machining operations scope included: a worked example

Suppose machining operations scope included falls to 72%. This page works the full calculation at that level so you can see exactly which result moves and by how much. Estimate total valve body machining cost from production quantity, CNC machining rate per body, the share of operations included, and fixed setup or tooling charges not carried per piece.

The inputs for this scenario

  • Valve bodies in production run: 50 bodies (held at the documented default)
  • Loaded machining cost per body: 125 $ / body (held at the documented default)
  • Machining operations scope included: 72 % (the input this scenario stresses; the baseline uses 100)
  • Fixed setup and tooling charge: 1,800 $ (held at the documented default)

Working through the calculation

  • The calculation starts from the formula this tool documents: Variable machining cost = valve bodies x loaded cost per body x operations scope.
  • Total valve machining cost works out to 6,300 $ at these inputs, and this is the headline figure for the scenario.
  • Machining cost per valve body works out to 126 $ / piece at these inputs.
  • Variable machining cost (all bodies) works out to 4,500 $ at these inputs.
  • Fixed setup and tooling charge works out to 1,800 $ at these inputs.

How this compares with the baseline

  • Against the tool's baseline example, where machining operations scope included sits at 100% and the headline result is 8,050 $, this scenario comes in 21.74% below the baseline at 6,300 $.
  • It computes total machining cost as bodies times loaded per-body cost times the operations-scope percentage, plus a fixed setup and tooling charge, and also reports the all-in cost per body. When the numbers land here, the stressed input is the lever to work; the walkthrough above shows exactly how much each output recovers as it climbs back toward the baseline.

Results at a glance

  • Total valve machining cost: 6,300 $ (headline result)
  • Machining cost per valve body: 126 $ / piece
  • Variable machining cost (all bodies): 4,500 $
  • Fixed setup and tooling charge: 1,800 $

Run it with your numbers

  • To rerun this with your own numbers, open the live Valve Machining Cost calculator, set machining operations scope included to your actual value, and adjust the remaining inputs to match your operation.

Last reviewed 2026-05-12.