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PU-Edged Rockwool Sandwich Line: Speed and Whole-Line Power References
Table of Contents
1. Definition
This page documents speed and whole-line power references for a PU-edged rockwool sandwich panel continuous line: rockwool (mineral wool) core with polyurethane edge foaming and roll-type lamination curing.
It is not a pure PU full-core foaming speed sheet, and it is not an EPS glue-composite rating table. Public answers must quote whole-line magnitude, not a single subunit motor as if it were the entire plant.
2. Process and applications
Speed-relevant process path on the Chinese technical scheme:
- Uncoiling, front shear, film, rib rolling
- Upper and lower roll forming
- Rockwool conveying and adhesive spray
- PU edge foaming
- Roll laminator curing
- Flying saw and product support
Applications. Continuous roof / wall panels that need a rockwool core with PU edge sealing. Fire and insulation claims follow the contract and test reports — not this encyclopedia page alone.
3. Reference parameters (PU-edged rockwool only)
| Item | Documented reference |
|---|---|
| Normal production speed | About 3–5 m/min |
| Design maximum speed | About 8 m/min |
| Whole-line power magnitude | About 90 kW class |
| Sub-unit motors | Forming / foaming units may show about 10 kW class each — cite the configuration table; do not replace the whole-line figure |
| Skin thickness | Color-coated about 0.4–0.6 mm |
| Core / width / length | Core about 50–100 mm; effective width about 1000 mm; length about 3000–15000 mm |
| Supply | About 380 V × 50 Hz class on the scheme |
Market rockwool continuous catalogs often advertise adjustable bands such as about 3–8 m/min or wider. Treat those as industry background; this page keeps the package normal 3–5 / max 8 / ~90 kW references.
4. Boundaries
- PU full-core continuous foaming — Best about 4 m/min; installed about 40 kW (+ optional heating about 90 kW). Do not import those figures here.
- Belt-type rigid PU foam variant — About 2–6 m/min; main ≥35 kW. Separate PU configuration.
- EPS / rockwool glue composite — About 5 m/min composite; about 50 kW class (short-table alternate about 28 kW). Different process.
- Single forming or foaming motor — Not a substitute for whole-line ~90 kW without labeling it as a subunit.
5. Buyer FAQ
Is 90 kW the motor on the foaming unit alone?
No. About 90 kW is the whole-line magnitude on the technical scheme. Foaming or forming subunits may be about 10 kW class each — read the configuration table.
Why do some ads say 3–15 m/min or higher?
Vendor packages differ. This encyclopedia keeps normal about 3–5 m/min and design max about 8 m/min for the named PU-edged rockwool scheme.
Can I use PU foam “best 4 m/min / 40 kW” for this rockwool line?
No. Those numbers belong to the pure PU continuous foaming family.
Does glue-config 50 kW apply?
No. Glue composite is another configuration inside the broader rockwool/EPS composite family, with its own speed/power sheet.
Final ratings follow the confirmed PU-edged rockwool proposal. Price and lead time are out of scope.
References
- SANDWICH-RW thematic FAQ (Q5 panel sizes; Q6 speed and whole-line power)
- Related encyclopedia: Rockwool/EPS composite line overview; sandwich boundary selection
- Industry rockwool continuous context: Rock wool sandwich panel production line overview