Executive summary This clip shows our packing line for narrow steel coils. Coils travel flat on yellow roller conveyors, a strapping head bands each coil through the eye, a blue orbital ring wraps it eye-through, and a blue gantry lifts and stacks the finished coils. Each station is set up to stop one of the three defects that ruin delicate coils: telescoping, surface scratches and edge buckling.
Table of Contents
- What the clip shows
- Defect prevention by machine station
- Straps per coil
- What we set per line
- Selection checklist
- Safety
- Engineering FAQ
- Next step
- Related reading
- Sources
What the clip shows
| Step | What you see |
|---|---|
| Conveying | Narrow coils lie flat on yellow roller conveyors |
| Strapping | A strapping head drops through the coil eye and bands the coil |
| Wrapping | A blue orbital ring wraps each coil eye-through |
| Stacking | A blue gantry lifts the wrapped coils and stacks them |
| Line | Further conveyors carry stacks to the end of the line |
Defect prevention by machine station
| Defect | Cause | Station that stops it |
|---|---|---|
| Telescoping | Inner wraps slide out of line in handling | Radial straps through the eye lock the wraps together |
| Surface scratches | Coil faces rub on hard parts or each other | Flat conveying, film wrapping and an eye-gripping gantry |
| Edge buckling | Edge load from slings, forks or hard drops | Coils stay flat and are set down gently on the stack |
Straps per coil
Worked example (illustrative). Radial straps are spaced around the coil.
| Item | Value |
|---|---|
| Coil OD (illustrative) | 1,000 mm |
| Outer circumference, 3.14 × 1,000 | about 3,140 mm |
| Target strap spacing (illustrative) | 800 mm |
| Straps per coil, 3,140 ÷ 800 rounded up | 4 straps |
What we set per line
| Setting | Depends on |
|---|---|
| Straps per coil | Coil OD and width |
| Strap | PET strap, or steel strap with edge protectors |
| Film | Layers and overlap for rust and dust protection |
| Stacking | Coils per stack and layer pads |
| Contact parts | Covered rollers and gripper pads for the surface finish |
Selection checklist
- Coil OD, ID, width and weight.
- Surface finish: cold rolled, galvanised, stainless.
- Straps per coil.
- Film layers.
- Coils per hour from the slitter.
- Stack height and layer pads.
Safety
- Keep clear of the strapping head and wrapping ring while they run.
- Stay outside the fenced gantry area.
- Lock out before clearing a strap or film jam.
- For CE markets, the machine is designed to ISO 12100 and EN 415-10.
Engineering FAQ
Q: What causes telescoping? A: Inner wraps sliding out of line in handling; radial straps through the eye stop it.
Q: How are scratches prevented? A: Coils ride flat, get wrapped in film and are picked through the eye, not by the faces.
Q: What causes edge buckling? A: Edge loads from slings, forks or hard drops; the line keeps coils flat and sets them down gently.
Q: How many straps per coil? A: Circumference divided by strap spacing; 4 straps on a 1,000 mm coil in the worked example.
Q: Does it work for stainless coils? A: Yes. We set the strap, film and contact parts to the surface.
Q: Which standards apply? A: For CE markets, ISO 12100 and EN 415-10.
Next step
We match a narrow coil packing line in three steps:
- Submit your layout drawing with coil sizes, weights, surface finish and coils per hour, to info@fhopepack.com.
- Receive a proposal within 48 hours with the machine data and layout.
- Book a site survey so we confirm the slitter exit layout.
Related reading
- Slit Coil Strapping, Wrapping and Stacking Line
- Turnstile Slit Coil Strapping Machine
- Slit Coil Stretch Wrapping and Stacking Line
- Slit coil packing line
Sources
- Machine content: FHOPE engineering team, 2026-10-10
- Clip: the video on YouTube
- Straps per coil: our worked example, illustrative values
- Standards scope: ISO 12100:2010; EN 415-10:2014
- Proposal timing: approved house CTA (proposal within 48 hours)
Last reviewed: 2026-10-10
