Automatic Pallet Stretch Wrapping Machine

Automated Pallet Wrapping, Cross-Strapping & Conveyor System

Executive Summary

This automated pallet wrapping, cross-strapping, and conveyor system combines two end-of-line operations—stretch wrapping and cross-strapping—into a single integrated station. Loads enter by conveyor, are stretch wrapped on the turntable, cross-strapped, and then conveyed out, eliminating the need for a forklift to move the load between steps. The system is designed for packaging lines where palletized goods must be secured and unitized before storage or shipment.

Key characteristics at a glance:

  • Turntable capacity: 2000 kg
  • Integrated wrap-and-strap station: wrapping and cross-strapping in one handling sequence
  • Conveyor infeed and outfeed: automatic load transfer, no forklift between steps
  • Strap cycle time: approximately 15 s in integrated mode; approximately 10 s when the turntable operates independently

A short demonstration video of the system in operation is included below:

Working Principle

The system operates as a sequential, conveyor-fed line:

1. Infeed. The palletized load is transferred onto the infeed conveyor and conveyed into the wrap-and-strap station. Because the load arrives on the conveyor, no forklift is required to position it.

2. Stretch wrapping. Once the load is centered on the turntable, the turntable rotates while the film carriage applies stretch film. The film is wrapped around the load to stabilize and unitize it, protecting the goods from shifting, dust, and moisture during handling and transit.

3. Cross-strapping. After wrapping, the strapping unit applies one or more straps across the wrapped load. Cross-strapping adds mechanical containment that complements the stretch film—particularly useful for heavy, rigid, or compressive-sensitive loads where film alone may not provide sufficient restraint.

4. Outfeed. The wrapped and strapped pallet is conveyed out of the station to the next stage of the line, again without forklift involvement.

The integrated design means one load position serves both operations. This reduces repositioning time, shortens the overall cycle, and simplifies line layout compared with separate wrapping and strapping machines.

Specifications

— —
Turntable load capacity 2000 kg
Station configuration Integrated wrap-and-strap station
Load transfer Conveyor infeed and conveyor outfeed
Strap cycle time (integrated mode) ~15 s
Strap cycle time (turntable operation) ~10 s
Forklift requirement between steps None (conveyor-fed)

Note: Cycle times are approximate and depend on load dimensions, film and strap parameters, and line conditions. Confirm final performance figures for your specific application with the equipment supplier.

Engineering Calculation: Estimating Line Throughput

To evaluate whether this system fits your production target, estimate the total cycle time per pallet:

Total cycle time ≈ infeed time + wrap time + strap time + outfeed time

Using the evidence-based strap cycle figures:

  • Integrated strap cycle: ~15 s per pallet
  • Turntable-only strap cycle: ~10 s per pallet

Worked example. Suppose wrapping takes 60 s per pallet and conveyor transfer (infeed + outfeed) takes 10 s total:

  • With integrated strapping: 60 s + 10 s + 15 s = 85 s per pallet
  • Estimated throughput: 3600 ÷ 85 ≈ 42 pallets per hour

If your wrapping time is shorter—say 40 s—the same calculation yields 40 + 10 + 15 = 65 s, or roughly 55 pallets per hour.

Practical guidance:

  • The strap cycle contribution is modest (10–15 s), so overall throughput is dominated by wrap time and conveyor transfer speed.
  • If your required rate exceeds what a single station can deliver, consider line buffering or a parallel station rather than assuming the strap cycle can be compressed.
  • Verify actual wrap time with your load profile: taller or unstable loads typically require more wrap revolutions.

Selection Checklist

Before specifying this system, confirm the following against your application:

  • [ ] Maximum pallet weight does not exceed the 2000 kg turntable capacity, including pallet weight.
  • [ ] Pallet dimensions are compatible with the turntable size and strapping head reach (confirm with supplier).
  • [ ] Load type suits stretch film plus cross-strapping (e.g., cartons, bags, rigid goods). Very light loads that cannot resist film tension, or loads sensitive to strap pressure, may need special settings.
  • [ ] Line integration: conveyor heights, direction of flow, and upstream/downstream equipment match the infeed/outfeed configuration.
  • [ ] Throughput target is achievable based on the cycle-time calculation above.
  • [ ] Floor space accommodates the machine plus conveyor runs and operator access.
  • [ ] Utilities: power supply and compressed air availability at the installation site (confirm requirements with supplier).
  • [ ] Film and strap consumables are specified and available in your region.

Safety

End-of-line packaging machinery must be evaluated and operated in accordance with recognized safety standards. Relevant references for this class of equipment include:

  • EN 415-10 — Safety of packaging machines, covering requirements for pallet wrapping machines and related equipment.
  • ISO 12100:2010 — Safety of machinery: general principles for design, risk assessment, and risk reduction.

In practice, this means:

  • Guarding and access control. The turntable and strapping head areas should be guarded with interlocked access so that moving parts cannot be reached during operation.
  • Risk assessment. A site-specific risk assessment per ISO 12100:2010 should cover conveyor pinch points, turntable rotation, strap tensioning, and load transfer zones.
  • Operator training. Personnel should be trained on normal operation, jam clearing, and emergency stops before independent operation.
  • Maintenance safety. Lockout/tagout procedures must be followed during film roll changes, strap replenishment, and servicing.

Always follow the manufacturer’s operating manual and local regulatory requirements.

FAQ

Do I still need a forklift with this system?

No forklift is needed between the wrapping and strapping steps—conveyors carry the load in and out. Forklifts may still be required upstream (palletizing) or downstream (shipping), depending on your line layout.

What is the maximum pallet weight?

The turntable is rated for 2000 kg. Ensure the total load, including the pallet itself, stays within this limit.

How fast is the strapping cycle?

The strap cycle is approximately 15 seconds in integrated wrap-and-strap mode, and approximately 10 seconds when the turntable operates independently. Actual times vary with load and settings.

Can the machine wrap and strap in one pass?

Yes. The integrated wrap-and-strap station performs both operations on the same load position, which is the core advantage of this configuration.

Where can I see the machine in operation?

See the demonstration video embedded above, or browse additional footage on our video pages for pallet wrapping machinery, including automatic pallet wrapping machines and semiautomatic pallet wrapping machines.

Next Steps

If this integrated wrap-and-strap system matches your line requirements, the recommended next step is a technical review of your load profile, pallet dimensions, and target throughput. Contact our engineering team with your application details to discuss configuration and confirm performance figures for your specific situation. Additional machine footage is available on the pallet wrapping machinery video page.

Related Reading

  • Pallet Wrapping Machinery Videos — overview footage of wrapping systems in operation
  • Automatic Pallet Wrapping Machine Videos — fully automatic wrapping in line environments
  • Semi-Automatic Pallet Wrapping Machine Videos — operator-assisted wrapping for lower-volume applications