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SunGene
SunGene
Application Guide

Conveyor Layout for Packaging Lines: Spacing, Accumulation, and Integration Tips

A practical guide to design conveyor flow between filler, sealer/capper, coder, labeler, and case packing. Reduce jams and stabilize output.

Conveyors are not “just transport”. A good layout turns separate machines into a stable line.

Start With the Bottleneck

Identify your slowest or most sensitive station (often labeling, coding, or inspection). Design accumulation and spacing to protect it.

Key Design Elements

  • Buffer/accumulation zones before the bottleneck
  • Star wheel / timing screw / gating for stable infeed
  • Sensors for jam detection and automatic stop
  • Side guides, rails, and change parts for container sizes

Spacing and Accumulation Rules of Thumb

  • Use spacing before coders/labelers for legibility
  • Add accumulation before case packing to prevent upstream stops
  • Avoid long “single point of failure” conveyors without bypass options

Integration Checklist

  • Line control logic (start/stop handshake)
  • Electrical and safety zoning
  • Changeover procedure and spare parts
  • Maintenance access and cleaning plan

Inputs we need for an accurate sourcing assessment

  • Product state and behavior (powder flowability, viscosity, particulates, temperature)
  • Package format and size range (bag/bottle/jar; material and seal type)
  • Fill range and target tolerance (e.g., 100–500 g, ±1–2 g)
  • Target output (units/min or hr) and expected runtime per day
  • Local utilities (voltage/phase/frequency, compressed air, clean-room/hygiene level)
  • Photos or sample pack + label requirements (if any)

Common failure points (what usually goes wrong)

  • Filler choice not matching product behavior (bridging, foaming, shear sensitivity)
  • Poor dust control contaminating seals (powders)
  • Unstable feeding causing speed fluctuations and weight drift
  • Bag material/seal spec not compatible with sealing temperature or contamination
  • Underestimating footprint and maintenance access space

FAT acceptance test checklist

  • Run with your product or a confirmed substitute and record output stability
  • Check weight accuracy vs tolerance at different speeds
  • Verify sealing integrity (leak test / visual inspection) across a full shift simulation
  • Confirm safety, emergency stop, guards, and basic alarms
  • Capture test video and final configuration list for handover

Frequently Asked Questions

Do I always need accumulation?

If you have multiple machines, yes. Even a small buffer can reduce stop-start cycles dramatically.

What causes most jams?

Unstable infeed, container size variation, and missing guides/change parts.

Can you integrate conveyors with mixed suppliers?

Yes. We define interfaces, sensors, and control logic so different equipment works as one line.

What info should I provide?

Container dimensions, target output, station list, and available floor layout.