Conveyors worked example

Part Spacing Speed Check at 66% expected spacing efficiency: a worked example

Here is what the math looks like when conditions slip. We hold every other input steady and drop expected spacing efficiency to 66%, then walk the calculation through step by step. Check the belt or line speed implied by a target output and proposed product spacing.

The inputs for this scenario

  • Target finished-part output: 900 parts / hr (held at the documented default)
  • Proposed leading-edge part spacing: 10 in (held at the documented default)
  • Expected spacing efficiency: 66 % (the input this scenario stresses; the baseline uses 92)

Working through the calculation

  • The calculation starts from the formula this tool documents: Required throughput rate = target output รท spacing efficiency.
  • Belt speed required by spacing works out to 18.94 ft / min at these inputs, and this is the headline figure for the scenario.
  • Adjusted throughput target works out to 1,364 parts / hr at these inputs.
  • Proposed product pitch works out to 10 in at these inputs.
  • Spacing efficiency works out to 66 % at these inputs.

How this compares with the baseline

  • Against the tool's baseline example, where expected spacing efficiency sits at 92% and the headline result is 13.59 ft / min, this scenario comes in 39.39% above the baseline at 18.94 ft / min.
  • The practical read: the gap between this scenario and the baseline is entirely attributable to expected spacing efficiency, so recovering it is worth quantifying in dollars before considering equipment or staffing changes. It assumes a single, constant pitch and steady belt speed; it does not model accumulation surges, accel/decel ramps, or variable part lengths, so transient peak rates will exceed the steady-state figure.

Results at a glance

  • Belt speed required by spacing: 18.94 ft / min (headline result)
  • Adjusted throughput target: 1,364 parts / hr
  • Proposed product pitch: 10 in
  • Spacing efficiency: 66 %

Run it with your numbers

  • To rerun this with your own numbers, open the live Part Spacing Speed Check calculator, set expected spacing efficiency to your actual value, and adjust the remaining inputs to match your operation.

Last reviewed 2026-05-12.