Horizontal Orbital Stretch Wrapper

Name: Automatic Pallet Stretch Wrapping Machine
Uploaded: 2019-04-25T02:50:07+00:00
Duration: 1 min 46 s
Description: Horizontal Orbital Stretch Wrapper A horizontal orbital stretch wrapper is a packaging machine designed to wrap long, continuous, or elongated products—such as aluminum profiles, timber, extrusions, pipes, and moldings—by rotating film around the product as it passes through a horizontal ring. Unlike conventional turntable or rotary-arm pallet wrappers, which wrap…

A horizontal orbital stretch wrapper is a packaging machine designed to wrap long, continuous, or elongated products—such as aluminum profiles, timber, extrusions, pipes, and moldings—by rotating film around the product as it passes through a horizontal ring. Unlike conventional turntable or rotary-arm pallet wrappers, which wrap stationary palletized loads vertically, horizontal orbital wrappers handle products that are too long, heavy, or awkwardly shaped to be palletized in the conventional sense. This article explains how the technology works, what to evaluate before specifying a machine, and how to calculate film consumption for your application.

Executive Summary

Horizontal orbital stretch wrappers solve a specific packaging problem: securing long products that cannot be efficiently wrapped on a vertical pallet wrapper. The machine passes the product horizontally through a rotating film ring, applying stretch film evenly along the product’s length. For manufacturers and distributors of aluminum profiles, timber, and similar long goods, this technology delivers load unitization, surface protection, and moisture resistance while supporting inline, continuous production flow. Because these machines are typically integrated into production or end-of-line conveyors, they suit high-throughput operations where manual wrapping of long products is slow, inconsistent, and physically demanding.

Working Principle

The operating concept is straightforward but effective:

1. Product infeed. The long product—whether a bundle of aluminum profiles, a stack of timber boards, or a length of extrusion—is fed horizontally into the wrapping zone, typically by conveyor, roller table, or forklift-fed infeed.

2. Orbital film ring. A ring (or arm) carrying a reel of stretch film rotates around the product’s longitudinal axis. The product either remains stationary while the ring orbits, or moves continuously through the ring, depending on the machine configuration.

3. Helical wrap pattern. As the ring rotates, the film is laid in an overlapping spiral along the product. The combination of ring rotation speed and product feed speed determines the number of film layers and the overlap percentage at any given point.

4. Film stretch control. Stretch film is elongated between a pre-stretch system and the product, so the film exerts consistent holding force. Controlled stretch reduces film consumption per package compared with hand wrapping.

5. Film cut and clamp. At the end of the cycle, the film is cut and the tail secured—commonly by a clamp-and-wipe or similar sealing mechanism—so the package remains closed during handling.

6. Discharge. The wrapped product exits to a discharge conveyor or staging area, ready for storage or shipment.

Because the wrap is applied along the product’s length rather than around a vertical load, the machine can accommodate items of considerable length, limited only by the handling system’s support and the conveyor or roller bed configuration.

Specifications

The following machine description reflects the documented product scope:

Machine type: Horizontal orbital stretch wrapper
Intended products: Aluminum profiles, timber, and other long products
Wrap method: Horizontal orbital (ring-type) stretch film application
Orientation: Product passes horizontally through the wrap zone

Detailed technical parameters—such as ring diameter, maximum product cross-section, conveyor speed, film gauge range, and power requirements—vary by configuration and should be confirmed with the manufacturer against your specific product dimensions, weights, and throughput targets. We recommend submitting your product profile (length, cross-section, weight range, and packages per hour) for an engineering review rather than selecting a machine from nominal specifications alone.

Engineering Calculation: Sizing Film Usage and Cycle Time

Two calculations help you evaluate whether a horizontal orbital wrapper fits your operation.

1. Film layers and overlap.

The number of film layers applied at any point on the product depends on the ratio of ring rotation to product travel:

Let R = ring revolutions per minute
Let V = product feed speed (meters per minute)
Let W = effective film width laid per revolution (meters)

The pitch of the helical wrap—the distance the product advances per ring revolution—is V / R. If this pitch is less than the film width, adjacent wraps overlap. For example, if the film lays 0.5 m of coverage per revolution and the pitch is 0.25 m, each point on the product receives approximately two layers of film. Adjusting R or V lets you tune layer count for load containment or protection requirements.

2. Film consumption per package.

Approximate film length per package:

L = (number of revolutions per package) × (film circumference laid per revolution, accounting for stretch)

With stretch film elongated at, say, 100% (i.e., film stretched to twice its original length), the actual film consumed from the reel is roughly half the applied length. Multiplying film length per package by film thickness and width gives film weight per package, which you can multiply by daily package volume to estimate annual film spend. Running this calculation with your current hand-wrap or legacy-machine consumption typically shows where the savings case lies—though exact figures depend on your film specification and wrap recipe.

3. Cycle time and throughput.

For a product of length P meters fed at V meters per minute, net wrap time is P / V plus infeed, clamping, cutting, and discharge time. Compare this against your required packages per hour to verify the machine’s duty cycle is compatible with your line speed.

Selection Checklist

Before specifying a horizontal orbital stretch wrapper, confirm:

Product dimensions and weight range. Maximum and minimum lengths, cross-sections, and weights, including bundle variations.
Throughput requirement. Packages per hour and whether wrapping must occur inline with production or at end-of-line.
Infeed and discharge handling. Conveyor, roller bed, or manual loading; product support over long spans to prevent sagging during wrap.
Wrap recipe flexibility. Adjustable ring speed, feed speed, and overlap to handle different products on one machine.
Film specification. Compatible film widths, gauges, and pre-stretch levels; availability of your preferred film type.
Film tail treatment. Cut-and-clamp method and how reliably the tail stays secured during transport.
Integration. Footprint, height, and interface with upstream/downstream equipment; control system compatibility (PLC signals, remote I/O).
Environment. Dust, moisture, and temperature conditions at the installation site, particularly for timber operations.
Service and spare parts. Availability of wear parts such as film carriage components, rollers, and sealing elements.

Safety Considerations

Horizontal orbital wrappers involve rotating machinery, moving product, and tensioned film. Apply these practices:

Guarding. Ensure the rotating ring and film carriage are guarded per the machine’s design, and that interlocked access doors stop the machine when opened.
Emergency stops. Verify the location and function of E-stops at infeed, discharge, and operator stations before start-up.
Lockout/tagout. Follow LOTO procedures for film changes, cleaning, and maintenance, including releasing stored energy in the film carriage.
Long product handling. Long items create wide swing radii and pinch points at conveyors. Keep personnel clear of product travel paths and use appropriate lifting aids for heavy bundles.
Film tension hazards. Stretch film under tension can snap during threading or a jam; wear cut-resistant gloves and follow the manufacturer’s threading procedure.
Training and documentation. Only trained operators should run, thread, or clear the machine. Retain and follow the manufacturer’s operating and maintenance manuals.

Always comply with the machine-specific safety documentation and applicable local machinery safety regulations at your site.

FAQ

What products are suitable for a horizontal orbital stretch wrapper?

Long or elongated products that are impractical to palletize: aluminum and other metal profiles, timber boards and planks, extrusions, pipes, tubes, moldings, and similar goods.

How does it differ from a turntable or rotary-arm pallet wrapper?

Turntable and rotary-arm machines rotate a vertical load (or the film arm around a load) to wrap palletized goods. A horizontal orbital wrapper rotates film around the product’s long axis, making it suitable for items too long or unwieldy to build into pallets.

Can one machine handle different product sizes?

Generally yes, provided the products fall within the machine’s rated cross-section and length range. Wrap parameters such as ring speed and overlap are adjusted per recipe; confirm your full product range with the manufacturer before purchase.

Does orbital wrapping replace strapping?

It depends on the load. Stretch film provides unitization, dust, and moisture protection; some applications also require strapping for structural bundling. Many operations combine both. Evaluate your load’s rigidity and transport conditions.

How is film consumption controlled?

Through pre-stretch settings, film gauge selection, and the wrap recipe (layers and overlap). Calculating film use per package—as outlined above—provides a baseline for comparing options.

Next Steps

If you package aluminum profiles, timber, or other long products and are evaluating automated stretch wrapping, the most useful starting point is a product profile review. Prepare the following:

Product length, cross-section, and weight range (min/max)
Required packages per hour
Current packaging method and film specification
Available floor space and infeed/discharge constraints

Submitting this information allows an engineering assessment of machine configuration, wrap recipe, and integration requirements tailored to your line.