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Continuous FRP Skylight Panel Line
Table of Contents
1. Definition
A continuous FRP skylight panel line produces clear or colored high light-transmission fiberglass sheets (corrugated or flat) by continuous impregnation, mold forming, cure, haul-off, trim, and cross-cut. It is not a metal PPGI / color-steel cold-roll roof mill and must not be answered with trapezoid or corrugated metal speed / power tables.
Documented technical description: continuous corrugated / flat FRP sheet production line (haul about 3–8 m/min; overall output about 76 kW). Named model aliases in the pack belong to the same continuous-FRP class — do not invent a second conflicting public band without a separate confirmed proposal.
2. Typical process
- Charging → still pot → batching → mix
- Impregnating → defect elimination
- Forming (molds) → cooling → curing
- Hauling → trimming → cross cutting
- Inspection → end product
Source process character: graded impregnation, multistage temperature gradients, approach forming, discontinuous curing, gradual cooling.
3. Reference parameters (continuous FRP tech sheet)
| Item | Reference |
|---|---|
| Overall dimension | About 50 × 4 × 3.2 m (L × W × H) |
| Max haul speed | About 3–8 m/min (varies with sheet type and thickness) |
| Overall output | About 76 kW; + about 5 kW if roving chopping is added |
| Flat width | About 1500 mm |
| Thickness | About 0.5–3.0 mm |
| Max wave height | About 130 mm |
| Length | As required |
| Light transmission | About 86% at 0.8 mm (source figure) |
| Glass content | About 25–40% |
| Staff | About 4–6 persons |
| Capacity note | About 800,000 m/year — capacity reference, not a contract guarantee |
4. Major systems
- Film spreading (top / bottom), resin transport / still pot
- Five-in-one proportional pump batching; resin thickness control
- Chopped / mat layup; graded impregnation; thickness check; inspection table
- Forming oven; stabilizing cooling; curing; haul-off
- Passive trim shear; PLC cross-cut (saw about Φ450) + encoder + dust collection
- Electrical / pneumatic controls; rails and finished product table
5. Open items
- Single host motor kW — not isolated; only total line output is published → do not invent
- Exact brand list for PLC / drives — confirm on the contract electrical schedule
- Named variant dossiers that are still marked HOLD in internal notes — keep side-by-side on the proposal if numbers ever diverge
6. Boundaries
- Do not paste metal roof roll-former m/min or kW into this FRP page
- Do not treat PPGI coil inquiry thickness as equipment thickness ratings
- Do not mix FRP and metal columns on the comparison page into one “average skylight” figure
- Safety constraints in the source (flammable resins; never mix accelerator with catalyst) are operating rules — not marketing inventions
7. Buyer FAQ
Is this a cold-roll metal machine?
No. It is a continuous FRP composite line. Metal coil roll forming is a different family.
Why total 76 kW instead of one motor figure?
The tech sheet publishes overall line output. A single “main motor kW” is not isolated — leave it open.
Corrugated and flat on one line?
Source describes continuous corrugated / flat FRP sheet production. Wave geometry follows molds — confirm the mold set on the proposal.
Where is the family map?
See Skylight Panel Production Line for FRP vs metal selection; see FRP vs metal comparison for the side-by-side page.
Ratings follow the confirmed continuous-FRP technical proposal. Price and lead time are out of scope.
References
- SKYLIGHT / continuous FRP thematic FAQ (continuous corrugated/flat FRP sheet production line tech sheet)
- Industry context: FRP corrugated roof skylight sheet production line — process context
- Siblings: skylight family map; FRP vs metal comparison