Conveyors calculator
Indexing Conveyor Cycle Time Calculator
On an indexing (synchronous) conveyor, every station advances together in fixed steps, so the slowest station's full cycle sets the pace for the whole line. That cycle is the sum of four phases: the move to advance the index, the settle-and-locate to register the fixture, the process dwell where work actually happens, and the load/unload of parts. Process engineers use indexing cycle time to find the bottleneck station and to verify the line meets takt. Because all stations share one clock, shaving any phase at the gating station directly lifts the whole line's rate.
What this calculator does
- Add move, settle, dwell, and unload/load time to estimate total indexing conveyor cycle time.
- an automation integrator needs to verify that an indexing conveyor cycle fits the production takt
- It sums the four phases of one synchronous index — move, settle, process dwell, and load/unload — into total cycle time per index.
Formula used
- Indexing cycle time = move time + settle/locate time + process dwell time + load/unload time
Inputs explained
- Index move time:
- Settle and locate time:
- Required process dwell time:
- Load and unload handling time:
How to use the result
- Use it to find or balance the gating station on a synchronous indexing conveyor, dial, or pallet line.
- It models one station's cycle; the line rate is governed by the slowest station, so summing the wrong station understates the true bottleneck cycle.
Current U.S. benchmarks
- The U.S. has 21,668 machinery manufacturing establishments employing about 1,086,146 workers (Census County Business Patterns, 2023).
Common questions
- How do you calculate indexing conveyor cycle time? Add the four phases: index move, settle and locate, process dwell, and load/unload. Here 1.8 + 0.7 + 5.5 + 2.0 seconds gives a total indexing cycle of 10 seconds per index.
- What limits the speed of an indexing conveyor? The slowest station's full cycle. Every station moves on the same clock, so if one station needs 10 seconds the whole line indexes every 10 seconds regardless of how fast the others are.
- Why is process dwell usually the biggest phase? Move and settle are mechanical and fast, while the dwell is where the actual process — cure, press, weld, fill — runs. At 5.5 of the 10 seconds here, dwell dominates and is the first place to look when chasing more rate.
- How do I increase indexing line throughput? Attack the gating station: shorten dwell with a faster process or split it across two stations, or trim move and settle with a stiffer mechanism. Cutting the 5.5-second dwell in half would drop the cycle from 10 to 7.25 seconds.
- What is the difference between indexing and continuous conveyors? An indexing conveyor stops at each station so work happens on a stationary part, paced by the summed cycle; a continuous conveyor moves nonstop and is paced by pitch time. Indexing suits precise fixtured operations.
Last reviewed 2026-05-12.