Two profiles
Double-layer is two roll sets
Upper and lower stands, one cut. Several quotations exist — each keeps its kW.
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Solution Library / Roof & Wall Systems
Multi-Layer Roofing Solution
One mill that sells two (or three) roof profiles, and a barrel corrugator that sells a curved sheet, are different hosts. The worked example below is barrel corrugation, because that host has locked units (pcs/min). Double-layer has named kW on several quotations. Triple-layer waits for your drawing — there is no single thickness / speed / kW to print as a nameplate.
Who it's for
Roof-sheet plants that want two profiles on one footprint, buyers asking for three tile layers, and shops that form barrel-corrugated sheets counted as pieces.
Three
Triple-layer needs the drawing
Engineering opens a custom file. Double-layer tables stay on those quotations.
Barrel
Output is pcs/min
Ø500 × 6 m sheets are counted as pieces, not metres of strip.
How to choose a line
- Barrel-corrugated sheet, Ø500 × 6 m class -> example below (Al 2 mm / GI 1 mm, 22 kW×2, 10–15 pcs/min)
- Two roof profiles on one mill -> double-layer. Standard wiki ~5.5 kW, 0–20 m/min, about 17/24 stands; high-speed 18.5 kW, 30–40 m/min, Φ85; process-library tile 20+22 stands, 5.5+5.5 kW, 0–15 m/min, 220 V / 60 Hz. Pick the file that matches the profiles
- Three tile / roof layers on one mill -> send both (or all three) profile drawings. A unique kW and m/min is not published as one nameplate
- Single trapezoid or glazed tile -> metal roofing solution, one roll set
- Standing seam -> standing-seam solution
Example specification
One delivered example. Final numbers follow your quotation.
| Product | Barrel-corrugated sheet |
|---|---|
| Material | Aluminium 2 mm / GI 1 mm |
| Size class | Ø500 × 6 m |
| Motors / output | 22 kW × 2; 10–15 pcs/min |
Line walkthrough
1Decoil
Decoil
Al or GI
- Al or GI
2Form barrel
Form barrel
Corrugate + curve
- Corrugate + curve
3Cut piece
Cut piece
Length class 6 m
- Length class 6 m
4Count
Count
pcs/min on HMI
- pcs/min on HMI
5Stack
Stack
Sheets
- Sheets
Equipment matching
| Step | Module | Guidance | Related |
|---|---|---|---|
| Barrel sheet | Barrel corrugator | 22 kW×2 / 10–15 pcs/min / Ø500 × 6 m | Barrel corrugated forming |
| Two profiles | Double-layer mill | Wiki ~5.5 kW; high-speed 18.5 kW; tile 5.5+5.5 kW / 220 V / 60 Hz | Double-layer mill |
| Three profiles | Triple-layer mill | Quoted from the three drawings | Triple-layer mill |
| One profile | Single roof mill | Roofing solution | Single roof mill |
What's included
Barrel vs double vs triple choice, one barrel example in pcs/min, double-layer as named neighbours, triple-layer quoted from drawings, and a quote checklist.
What to send for a quote
- Barrel sheet vs double-layer vs triple-layer vs single profile
- Each profile drawing (coverage, rib height, tile vs trapezoid)
- Thickness and alloy (barrel file: Al 2 mm / GI 1 mm)
- Whether output is m/min or pcs/min
- Site voltage (double-layer tile file is 220 V / 60 Hz)
- Year-one mix: which profile you run most
- If three layers: all three drawings in one RFQ
Check before you quote
Units
Barrel is pcs/min
10–15 is pieces per minute on that quotation, not metres per minute.
Double
Three double-layer files
~5.5 kW, 18.5 kW and 5.5+5.5 kW / 220 V / 60 Hz are three quotations.
Triple
No single triple nameplate
Send the drawings. Double-layer tables stay on the double-layer quotations.
FAQ
Can I use double-layer kW on a triple mill?
Double-layer quotations stay on those files. Triple-layer is quoted from the three profile drawings.
Is barrel the same as decorative emboss?
Barrel forms a curved corrugated sheet counted in pcs/min. Emboss is a pattern roll pair on the decorative-panel solution.
How are price and lead time quoted?
Send the quote checklist. Commercial terms come back on the offer.
Q&A for this solution
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