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Garage Door Bottom Rail and Track Roll Forming Line
Table of Contents
- Definition
- Applications
- Technical parameters
- Documented conflicts
- Boundaries
- Inquiry checklist
- Buyer FAQ
- References
1. Definition
A garage door bottom rail / track line forms guide-rail or bottom-rail profiles for sectional and related garage-door hardware. A typical punched-track route is: manual decoil → level → punch → roll form → measure → hydraulic cut → exit. An optional rail bending machine is a separate auxiliary and must not be folded into the form-host answer.
It is not a shutter / roll-door slat host, not a door-frame host, and not a PU-foam sectional door panel continuous line. Catalog leaves that also list U-guide or cover items under the same shutter family keep independent parameter tables — do not mix them.
2. Applications
- Sectional / garage door guide tracks and bottom rails from galvanized coil
- Profiles with mounting / slot punching before forming
- Optional off-line track bending for curved sections
Industry track roll formers describe the same hardware role: coil to punched U / J / angle track for door rollers — not insulated door skins.
3. Technical parameters (punched-track reference)
| Item | Reference value |
|---|---|
| Forming speed | Host about 0–20 m/min; leveler / servo feed about 20 m/min class |
| Main / hyd / leveler | Main about 7.5 kW; hyd cut about 4.5 kW; leveler about 2.2 kW |
| Stands / punch | About 14 stands; shaft about φ70 (45#); rollers Cr12; punch stations suggested 3 |
| Thickness / coil | About 0.8–2.0 mm GI; decoiler max width about 300 mm; ID about 450–550; about 3 t passive |
| Leveler note | Strip width about 118 mm minimum is a leveler capability — not a single finished width with max 300 mm coil |
| Cut tolerance | About ±1 mm / 3 m on the documented reference |
| Typical BOM | 3 t manual decoil, leveler, punch, host, PLC/HMI/VFD, hyd cut, about 3 m exit table; optional rail bender |
| Catalog leaf | Leaf 03.05.005; LINE-03.05-SHUTTER; SOL-03.05-ROLL-DOOR |
4. Documented conflicts
- Speed: punched-track about 0–20 m/min; a J-profile comparison scheme may show about 0–15 — answer by named scheme, do not lock one band.
- Drive: parameter table “gear with cover” vs packing list “chain drive” — contract drive wins; do not publish one unique wiki truth.
Public track-machine catalogs often quote other stand counts, cut kW, or thickness bands. Treat them as industry background — do not average into this table.
5. Boundaries
- Shutter U-guide / cover on the same shutter leaf — different tables; do not paste those kW/stands here.
- Roll-door / shutter slats — panel hosts, not track hardware.
- Door frame lines — separate family.
- Insulated sectional door panels (dual skin + foam) — continuous foam lines, different footprint and coil width.
6. Inquiry checklist
- Track / bottom-rail drawing (J, U, angle, punch map)
- Thickness band and coil width / ID / mass
- Punch stations and pattern; whether rail bend is required
- Named scheme: punched-track vs J-type (speed / stands)
- Drive preference if contract must resolve gear vs chain wording
7. Buyer FAQ
Is a track line the same as a full door panel line?
No. Tracks guide rollers; panel / foam lines make the door body. See the track-vs-door selection page.
Why do some quotes say 0–15 m/min?
That band appears on a J-profile comparison scheme. The punched-track reference keeps about 0–20 m/min. Answer by the named proposal.
Does the rail bender share the 7.5 kW main?
No. Rail bending is an optional auxiliary — specify and rate it separately.
Can we reuse shutter U-guide power here?
No. Same leaf family does not mean one parameter table.
Final ratings follow the named proposal. Price and lead time are out of scope.
References
- GARAGE-TRACK thematic FAQ (punched-track baseline; J-type conflict notes)
- Industry context: garage door guide-rail / track roll former
- Related encyclopedia: garage track process flow; track vs full door panel