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Rain Gutter Roll Forming Line
Table of Contents
1. Definition
A rain gutter roll forming line (天沟 / 水槽 / gutter machine) cold-forms general eaves-trough profiles from PPGI, color-coated, or GI coil. The documented baseline is the rain-gutter quotation: 3T manual decoiler, guiding / front shear, about 18 chain-driven passes, Delta PLC with hydraulic cut-to-length, and a manual exit table.
It is not a dedicated 6-inch half-round host, not a box-gutter host, and not a downspout / down take pipe host. Market K-style pages often quote wider speed or power bands — use them only as industry context; keep ZTRFM ratings on the documented baseline below.
2. Process and applications
Recommended process wording:
- 3T decoiling
- Guiding / front shear
- Roll forming (chain drive)
- Hydraulic cut-to-length
- Manual run-out / catch table
Applications. Architectural eaves trough / rain-gutter sections for residential and commercial roof drainage. Pair with a separate downpipe host when vertical pipes are also in scope. Certifications and exact cover geometry follow the contract drawing.
3. Reference parameters (documented baseline)
| Item | Documented reference |
|---|---|
| Forming speed | About 10–12 m/min |
| Drive / hydraulic power | Drive motor about 4.0 kW; hydraulic station about 3.0 kW |
| Drive / controls | About 0.6 inch chain; Delta PLC / Delta HMI / Delta inverter |
| Forming groups / shaft | About 18 passes; shaft about φ70 mm |
| Frame / side plate | About 350 H welded frame; wall plate about 16 mm |
| Thickness / material | About 0.3–0.7 mm; PPGI / color steel / GI coil |
| Typical composition | 3T manual decoiler, infeed / front shear, host, PLC, hydraulic station, hydraulic shear, manual exit table, wear parts |
| Whole-line envelope / mass | Not listed as a single figure in source → blocked, do not invent |
Industry K-style listings may show about 15–20 m/min or about 5.5 kW class motors. Publish those only as market context; never overwrite the 10–12 m/min / 4.0 + 3.0 kW baseline without naming another proposal.
4. Boundaries
- 6-inch half-round — Different speed/power/shaft story (about 3–8 m/min, about 5.5 + 3 kW, φ50).
- Box gutter — Category confirmed; host numbers proposal-blocked — do not fill with rain-gutter ratings.
- Downspout lines — Closed pipe; YX144 / YX76 / English down-take are separate entries.
- Pipe bender — Downpipe auxiliary; do not mix into the rain-gutter BOM.
5. Buyer FAQ
Is this the same machine as the 6-inch half-round?
No. Half-round is a dedicated semicircular host with its own FAQ ratings.
Can we quote market 15–20 m/min as this line?
Not as the default ZTRFM rain-gutter answer. The documented baseline is about 10–12 m/min.
Does the line include a downpipe bender?
No. Order elbow / reducer equipment with the downpipe host when needed.
Why is overall machine weight missing?
Because the source quotation did not single out envelope/mass — leave blocked rather than invent.
Final ratings follow the confirmed technical proposal. Price and lead time are out of scope.
References
- GUTTER-RAIN thematic FAQ (Rain Gutter Roll Forming Machine.doc baseline)
- Industry K-style context: K-style rain gutter roll former overview
- Related encyclopedia: half-round 6-inch; round vs rain; gutter type selection