Conveyors worked example

Conveyor Chain Pull with total moving chain load of 1,400 lb: a worked example

Here is what the math looks like when conditions slip. We hold every other input steady and drop total moving chain load to 1,400 lb, then walk the calculation through step by step. Estimate required chain pull from moving load, friction or incline factor, and operating time basis.

The inputs for this scenario

  • Total moving chain load: 1,400 lb (the input this scenario stresses; the baseline uses 2,800)
  • Friction and incline pull factor: 0.18 x (held at the documented default)
  • Operating time basis: 8 hr (held at the documented default)

Working through the calculation

  • The calculation starts from the formula this tool documents: Estimated chain pull = total moving load × friction and incline factor.
  • Total load works out to 252 lb force at these inputs, and this is the headline figure for the scenario.
  • Hourly equivalent works out to 31.5 lb force / hr at these inputs.
  • Total moving load works out to 1,400 lb at these inputs.
  • Pull factor works out to 0.18 x at these inputs.

How this compares with the baseline

  • Against the tool's baseline example, where total moving chain load sits at 2,800 lb and the headline result is 504 lb force, this scenario comes in 50% below the baseline at 252 lb force.
  • The practical read: the gap between this scenario and the baseline is entirely attributable to total moving chain load, so recovering it is worth quantifying in dollars before considering equipment or staffing changes. The single combined factor lumps together rolling friction, sliding friction and grade; it is a rough estimate and does not replace a detailed pull analysis around the full chain path with tension build-up.

Results at a glance

  • Total load: 252 lb force (headline result)
  • Hourly equivalent: 31.5 lb force / hr
  • Total moving load: 1,400 lb
  • Pull factor: 0.18 x

Run it with your numbers

  • To rerun this with your own numbers, open the live Conveyor Chain Pull calculator, set total moving chain load to your actual value, and adjust the remaining inputs to match your operation.

Last reviewed 2026-05-12.