Roofing machine for PV4 Aluzinc calamina sheet - High-speed?

If you work with corrugated “calamina” in Latin America or galvalume panels anywhere, you’ll probably care about cycle time, profile accuracy, and whether your crew can fix a jam at 2 a.m. without calling in a technician. I’ve been around enough shops to know the glossy brochures don’t always tell the whole story. The Roofing machine for PV4 Aluzinc calamina sheet is one of those units I keep seeing on factory floors from Cangzhou to Callao—for good reason.

Origin: SHIBAWUXING VILLAGE BO TOWN, CANGZHOU CITY, HEBEI PROVINCE. Spanish-facing teams know it as “Maquina para PV4 PV6 PV8 aluzinc Calamina sheet” (WhatsApp +86 18903270807). It’s built for PV4 trapezoidal/corrugated profiles in Aluzinc (a.k.a. Galvalume), but—honestly—it handles PV6/PV8 with a die swap just fine.

Why this machine is trending

Demand for light-gauge roofing in logistics parks, agro-sheds, coastal housing, and quick rebuilds is surging. Contractors want a machine that hits spec with minimal scrap, especially on AZ150/AZ200 Galvalume where coil prices sting. In practice, the Roofing machine for PV4 Aluzinc calamina sheet maintains cut accuracy and ripple control better than most mid-market lines I’ve seen—surprisingly consistent even with 0.3 mm stock.

Key specs (real-world numbers)

Process flow and QC

• Decoiler (manual or 5T hydraulic) → Leveler → Roll forming → Hydraulic cut → Run-out table.
• Materials: AZ150/AZ200 Galvalume, GI, or prepainted coils; coil ID 508/610 mm.
• Methods: crowned rollers minimize oil-canning; side guides trim wander; die uses SKD11.
• Testing: 30 h endurance run, ±0.4 mm cut test, coating scuff test (ASTM D3359, cross-hatch).
• Standards: ASTM A792 for substrate; ISO 12100 and EN 60204-1 for machine safety wiring.
• Service life: ≈10–15 years machine; rollers 5–8 million meters (care-dependent).

Where it fits

Roofing lines for warehouses, schools, agro shelters, coastal projects (salt-laden air), and quick urban infill. Many customers say the Roofing machine for PV4 Aluzinc calamina sheet is forgiving with thinner coils—useful when supply is tight.

Vendor snapshot (what buyers actually compare)

Customization and real projects

• Options: embossing roller, servo-flying cut, servo stacker, 5T/7T decoiler, coil car.
• Electricals: 380V/50Hz 3PH standard; 220V/60Hz available for LatAm; manuals in ES/EN.
• Case study—Chiclayo, Peru: PV4 farm sheds, 0.35 mm AZ150, 14 m/min average, scrap rate ≈1.2% after week two; noise measured
• Certifications: ISO 9001 factory; CE marking for electrical/safety package; wiring per EN 60204-1.

Field notes (what users report)

“Setup was under two hours,” one Colombian contractor told me—though, to be honest, that’s with a crew that’s done three lines before. Another shop liked the quick-form roller shims: fewer waves on 0.3 mm. If anything, they want a faster stacker; I guess that’s a fair ask when you push 18 m/min.

Final thought: if you need a dependable PV4 line with sane lead times, the Roofing machine for PV4 Aluzinc calamina sheet is a solid, serviceable choice—especially if your work swings between PV4, PV6, and PV8.

Authoritative references

1. ASTM A792/A792M – Standard Specification for Steel Sheet, 55% Aluminum-Zinc-Coated. https://www.astm.org/a0792_a0792m-22.html
2. ISO 12100 – Safety of machinery – General principles for design. https://www.iso.org/standard/51528.html
3. EN 60204-1 – Safety of machinery – Electrical equipment of machines. https://www.en-standard.eu/bs-en-60204-1/
4. ASTM D3359 – Standard Test Methods for Rating Adhesion by Tape Test. https://www.astm.org/d3359.html