Executive summary
PE film is the standard overwrap for steel, copper and wire coils, and how it is applied decides whether the coil stays covered. This article examines PE film application in vertical coil wrapping machines: film passes lay the cover around the coil, holding it against corrosion and handling. We build vertical coil wrapping machines for PE film. Coil range and wrap plan are confirmed per project.
Table of Contents
- Why PE film for coils
- What the machine does
- PE film application
- Vertical coil wrapping
- Steel copper and wire coils
- Film tension and cover
- Typical configuration
- What the video shows
- Selection checklist
- Operation and safety
- Engineering FAQ
- Next step
- Related reading
- Sources and standards
Why PE film for coils
Polyethylene film is the workhorse overwrap for coils because it covers, holds and breathes the way coils need, and it suits steel, copper and wire alike. The film’s job is to keep moisture and dirt off the steel and hold the layers together in transit. PE film works only as well as its application, which is what the machine controls. The coil range and film plan are confirmed per project.
What the machine does
The vertical coil wrapping machine applies PE film around the coil, laying the cover that protects and holds the wound material. Coils are wrapped by the machine in a set sequence, so the film reaches around the same way on every coil. Because the film tension and passes are machine-set, PE film works to its full effect rather than by hand. The covered steps and wrap plan are confirmed per project.
PE film application
PE film is drawn from the roll and applied around the coil in controlled passes, tightening the cover as it builds. Application is where film succeeds or fails: tension too loose leaves the coil exposed, and a machine-held application keeps it even. The film is held at the set tension across the full pass of the coil. The film grade and tension follow the coil, confirmed per project.
Vertical coil wrapping
In the vertical configuration the coil is wrapped on its axis, with the film passes laid across the coil’s width. Vertical wrapping suits coils that present their flat face to the wrapper, covering the faces and the outer diameter. The machine keeps the coil stationary while wrapping on the vertical plane. Vertical wrap settings follow the coil’s dimensions, confirmed per project.
Steel copper and wire coils
The machine wraps the range of material coils that need PE film protection: steel, copper and wire coils. These coils share the need for a cover that holds without marking, and PE film applied evenly meets it. The material range is confirmed per project against the coils actually run. One machine covers the coil mix the facility packs.
Film tension and cover
Holding film tension on the machine is what makes the cover consistent, and even cover is what protects the coil through handling and transit. Cover means the film reaches the areas that matter, faces, diameter and edges. Machine-set tension and passes remove the operator’s variability from the wrap. Tension and cover requirements are confirmed per project against the coil mix.
Typical configuration
Figures below list functional design boundaries rather than numeric values, and are confirmed per project.
| Parameter | Typical range, confirmed per project |
|---|---|
| Coil | steel, copper, wire |
| Film | PE grade |
| Wrap | vertical passes |
| Tension | set standard |
| Output | handling fit |
| Electrical supply | 380 V three phase 50 Hz, or 220 V single phase for light machines, selected per project |
What the video shows
Our footage shows a vertical coil wrapping machine applying PE film. It is a general demonstration, so your coil range and wrap plan are confirmed with us per project.
Selection checklist
| Question | Confirm per project |
|---|---|
| Coil range | sizes, materials |
| Film | PE grade |
| Wrap | vertical plan |
| Tension | set standard |
| Output | handling fit |
| Electrical supply | voltage, phase and frequency on site |
Operation and safety
Run the recipe from the panel and the machine wraps each coil with PE film automatically. Keep clear of the wrap ring, film path, tension system and outfeed while the machine runs, with guarding and emergency stops at the operator position. Routine checks cover the ring, film carriage, tension elements, sensors and control, per the machine manual. Confirm the film settings against the coil before each run so wraps stay even.
Engineering FAQ
Q: Why PE film for coils? A: PE covers and holds coils well and protects steel, copper and wire alike.
Q: What makes PE film work? A: Machine-held tension and even passes, not the pull of a hand wrap.
Q: How does vertical wrapping work? A: The coil is wrapped on its axis with film passes across its width.
Q: What coils does it take? A: Steel, copper and wire coils, confirmed per project.
Q: What does even cover protect? A: It keeps moisture and dirt off the coil and holds the layers in transit.
Next step
- Email us at info@fhopepack.com with your coil range, films and volumes.
- We send a wrapping proposal and a layout drawing within 48 hours.
- We arrange a site survey to confirm coil range and wrap needs.
Related reading
- Simple coil wrapper
- Coil Packaging: Technology and Best Practices
- Horizontal coil wrapping machine for automatic coil
- FHOPE packing machinery product lines
Sources and standards
- ISO 12100:2010 Safety of machinery, general principles for design and risk assessment
- EN 415-10:2014 Safety of packaging machines, general requirements
- EN ISO 13849-1:2023 Safety of machinery, safety-related parts of control systems
FHOPE vertical coil wrapping machine demonstration video. Reviewed as a general demonstration; coil range confirmed per project.
Last reviewed: 2026-10-10
