Tr4/ Tr5 roof sheet machine

Tr4/ Tr5 roof sheet machine: Precision Trapezoidal Profile Manufacturing Solution

Cangzhou Zhongtuo Roll Forming Machinery Co., Ltd., established in 2014 as a national-level high-tech enterprise, manufactures advanced Tr4/ Tr5 roof sheet machine systems engineered for precise trapezoidal profile production. Our equipment processes 0.3–1.0 mm thickness metal coils at 15–25 m/min production speeds, utilizing 13–15 forming stations with 80 mm diameter roller shafts crafted from chrome-finished 45# steel. With ISO 9001, CE, and CAS certifications, we've exported to over 150 countries, supported by decade-long industry-university collaboration with Yanshan University's National Cold Rolled Strip Equipment Engineering Research Center.

What Is a TR4/TR5 Roof Sheet Machine?

The product transforms galvanized, galvalume, or pre-painted steel coils into structurally rigid trapezoidal roofing profiles through continuous cold roll forming. This specialized equipment addresses critical construction challenges including material waste reduction and water-tight side-lap consistency.

The TR4 profile features 4 ribs optimized for standard 1000–1200 mm coil widths, maximizing yield in cost-sensitive projects. The TR5 configuration delivers 5-rib structures with enhanced section modulus for superior wind uplift resistance.

Your manufacturing flexibility increases through PLC-controlled automation that ensures ±1 mm cut-to-length accuracy. The hydraulic cutting system employs Cr12MoV blades for burr-free finishing.

Technical Specifications

Here's what you get with our Tr4/ Tr5 roof sheet machine:

Key Performance Advantages with the Tr4/ Tr5 roof sheet machine

Precision Engineering for Quality Output

Your production benefits from GCr15 or Cr12MoV roller steel heat-treated to HRC 58-62 hardness. The 0.05 mm chrome plating protects delicate PPGI coatings during forming, eliminating surface scratches that compromise corrosion resistance.

The 350–400 mm H-beam welded frame structure eliminates vibration during high-speed operation. This stability ensures consistent rib geometry across thousands of meters of continuous production.

Intelligent Control Systems

Siemens or Delta PLC platforms deliver automated length measurement and batch counting. You can program multiple product specifications, reducing changeover time and operator error.

The touchscreen HMI interface simplifies profile selection between TR4 and TR5 configurations. Transition time takes less than 5 minutes through manual clutch adjustment or optional automatic cylinder engagement.

Material Versatility

Process standard materials including galvanized steel, galvalume, and PPGI up to 0.8 mm thickness. Upgraded configurations handle high-tensile G550 steel through closer station spacing and reinforced shafting that counteracts spring-back effects.

For thicker materials approaching 1.0 mm, consult technical specifications to prevent shaft bending and blade damage.

Strategic Application Scenarios

Industrial & Commercial Construction

The TR5 profile's 5-rib structure provides exceptional section modulus for large-span factories and warehouses. Your roofing system withstands high wind uplift and heavy snow loads in industrial zones.

Pre-engineered building (PEB) manufacturers achieve perfect side-lap interlocking for water-tight installations across extensive roof areas.

Coastal & Corrosive Environments

Process PVDF or SMP coated coils for coastal villas and marine-adjacent structures. The precision rolling action preserves anti-corrosion layers, preventing rust initiation points that compromise building longevity.

Your customers in humid tropical regions rely on this coating integrity for extended service life.

Affordable Housing Solutions

The TR4 profile delivers optimal covering width to raw material usage ratios. Government-subsidized housing projects and agricultural barn construction maximize yield from standard coil widths, reducing per-square-meter costs.

This efficiency positions you competitively in price-sensitive markets with the Tr4/ Tr5 roof sheet machine without sacrificing structural performance.

Research-Driven Innovation

Our partnership with Yanshan University's engineering research center brings AI-assisted finite element analysis (FEA) into your production. Virtual modeling optimizes forming paths before physical production, reducing trial costs.

Graduate researchers develop pattern roller designs using simulation tools that predict material behavior. You benefit from continuously refined roller geometries that minimize edge wave and longitudinal bow defects.

Cloud-based remote monitoring supports long-distance diagnostics, particularly valuable for overseas installations. Predictive maintenance algorithms reduce unexpected downtime through early component wear detection.

Maintenance & Operational Longevity

Blade Service Life

Cr12MoV cutting blades with proper heat treatment typically serve 2–3 years under single-shift operation. Avoid processing rusty or contaminated coils that accelerate wear.

Regular inspection intervals maintain cut quality and prevent secondary burr formation.

Hydraulic System Care

The 4 kW hydraulic cutting unit requires standard industrial hydraulic oil (ISO VG 46). Monthly filter inspections prevent contamination-related failures.

Pressure settings should remain within manufacturer specifications to avoid premature seal degradation.

Roller Maintenance

Chrome-plated rollers resist wear but require periodic cleaning to remove coating residue. Use non-abrasive solvents to maintain surface integrity.

Annual shaft alignment checks prevent uneven wear patterns that affect profile tolerances.

Packaging & Delivery

Machines are secured on reinforced wooden pallets with waterproof wrapping for ocean freight. Critical components receive individual protective crating to prevent transit damage.

Complete installation manuals and electrical schematics accompany each shipment. Remote commissioning support is available via video guidance.

FAQ

Q：Can the machine produce TR4 and TR5 simultaneously?

A：No, the system uses a single motor and transmission with clutch engagement for one profile at a time. This design optimizes power efficiency and operational safety.

Q：What happens if I exceed the maximum thickness?

A：Processing material beyond specified limits (typically >1.0 mm) risks shaft bending and blade cracking. Always verify capacity with your technical manual before running non-standard materials.

Q：How does the equipment handle high-tensile steel?

A：G550 steel requires upgraded configurations with closer station spacing and reinforced shafting to counteract spring-back effects. Standard machines may struggle maintaining tolerances with full-hard materials.

Q：Is profile changeover complicated?

A：Profile switching takes under 5 minutes through HMI selection and clutch adjustment. Automatic cylinder clutch options further simplify transitions.

Q：What's the standard blade sharpening schedule?

A：With proper usage, blades last 2–3 years under normal conditions. Cutting contaminated coils significantly shortens this lifespan.

Contact Us

Ready to enhance your roofing profile production capabilities with the Tr4/ Tr5 roof sheet machine? Reach us at zhongtuorollforming@gmail.com  for detailed quotations and engineering consultations.