trapezoidal sheet roll forming machine

24 and 22 Tru-Gauge™ and .032″ Aluminum
Custom lengths 3′ to 20′ 10″ (for longer length panels)
Long length flashings available up to 20′ 11″
Roof and Vertical or Horizontal Wall application
Structural panel that will span up to 6
Product Description

High-Performance Metal Forming Solution from Cangzhou Zhongtuo with the trapezoidal sheet roll forming machine

Cangzhou Zhongtuo delivers industrial-grade trapezoidal sheet roll forming machine systems engineered for precision metal processing since 2014. Our equipment transforms flat metal coils into structural roofing panels through 18-24 roller stations, achieving production speeds up to 25m/min with ±1.0mm dimensional accuracy. The machines handle material thicknesses from 0.3mm to 0.8mm across galvanized steel, PPGI, and aluminum substrates. With PLC-controlled automation and Cr12MoV heat-treated rollers (HRC 58-62), our systems eliminate profile inconsistency while maintaining coating integrity on pre-painted materials.

trapezoidal-rof-sheet-machine

Advanced Engineering Features

Precision Roller Technology

Each forming station uses heat-treated rollers with hard chrome plating to prevent zinc adhesion. The synchronized rotation eliminates "laddering" defects common in lower-grade equipment.

Intelligent Control Integration

PLC systems enable automated length setting and batch management. Servo-motor options provide enhanced precision for high-specification projects requiring ±0.5mm tolerances.

Material Surface Protection

Hard-chrome plated rollers preserve aesthetic finishes on pre-painted coils. The synchronized line speed prevents scratching during the cold-forming process.

Robust Structural Design

Solid steel shafts (70-90mm diameter) withstand high-tensile forces from G550 materials. Precision machining minimizes deflection under continuous production loads.

Technical Specifications You Can Count On

Component

Specification

Your Benefit

Roller Stations

16-24 progressive passes

Gradual forming prevents material stress

Shaft Diameter

70-90mm, 45# high-grade steel

Zero deflection under continuous operation

Roller Material

Cr12MoV die steel, chrome-plated

5+ years service life without profile degradation

Material Thickness

0.3-0.8mm (up to 1.2mm heavy-duty)

Handles both residential and industrial gauges

Working Speed

15-25 meters/minute

Balance between quality and productivity

Control System

PLC (Siemens/Mitsubishi options)

±1mm length accuracy for precise batch orders

Cutting System

Hydraulic shear

Burr-free edges (<0.1mm tolerance)

Material Compatibility

PPGI, GI, Aluminum, Aluzinc

Adapts to regional material preferences

Yield Strength Capacity

Up to G550 (550 MPa)

Processes high-strength structural materials

Panel Length Range

3' to 20'10" standard

Custom lengths without production slowdown

trapezoidal-roof-sheet

Primary Application Scenarios with the trapezoidal sheet roll forming machine

Industrial Warehouse Roofing

The trapezoidal sheet roll forming machine produces IBR panels for pre-engineered buildings. The trapezoid geometry provides superior load-bearing capacity, allowing wider purlin spacing and reduced structural steel costs.

Coastal Construction Projects

In high-corrosion environments, our machines process Aluzinc-coated coils into weather-resistant cladding. Precise side-lap formation ensures leak-proof roofing systems for tropical and maritime climates.

Commercial Facade Systems

Vertical wall cladding for retail and office buildings requires scratch-free profiles. Our equipment maintains coating integrity while forming decorative panels that meet architectural specifications.

Why Choose Zhongtuo Equipment

University-Industry Research Partnership

Collaboration with Yanshan University's National Cold Rolled Strip Equipment Research Center brings AI-assisted simulation and finite element analysis to our design process. This partnership yields patented roller designs and process optimization.

Global Compliance Certification

ISO 9001, CE, and CAS certifications demonstrate adherence to international quality and safety standards. Our certification portfolio reflects rigorous testing across multiple regulatory frameworks.

Proven International Track Record

Over 150 countries rely on Zhongtuo machinery. Ten years of export experience inform our understanding of regional material standards and climate-specific performance requirements.

Comprehensive Technical Support

Cloud-based remote monitoring enables real-time diagnostics. Our technical team provides commissioning assistance, operator training, and predictive maintenance guidance throughout the equipment lifecycle.

Machine Maintenance & Longevity

Roller System Durability

Proper lubrication and cleaning extend Cr12MoV roller lifespan beyond 10 years. The hard chrome plating resists wear from continuous metal-to-metal contact.

Blade Maintenance Schedule

Cutting blades require sharpening or replacement every 2-3 years under normal production volumes (approximately 200,000 cuts). Regular inspection maintains clean edge quality.

Encoder Calibration

The rotary encoder system requires periodic verification to maintain cutting accuracy. Servo-motor configurations offer enhanced precision for demanding tolerance requirements.

FAQ

Q:Can the machine process different material thicknesses?

A:Standard models accommodate specific ranges. For wider variances (0.3mm to 0.8mm), adjustable spacer systems modify roller clearance to prevent material crushing or loose profile formation.

Q:What causes profile twisting during production?

A:Gap misalignment between upper and lower rollers typically creates this issue. Adjusting final-station roller gaps or engaging straightening devices at the exit resolves internal stress-related deformation.

Q:How long do cutting blades last?

A:Cr12MoV blades typically perform 100,000+ cuts before requiring regrinding. Regular gap clearance checks prevent burr formation on finished sheet edges.

Q:Does the equipment handle high-yield G550 steel?

A:Processing G550 continuously requires motor upgrades (7.5kW instead of 5.5kW) and reinforced shafting to manage spring-back characteristics inherent to high-tensile materials.

Q:What prevents scratches on pre-painted coils?

A:Highly polished, chrome-plated rollers combined with synchronized line speed protect coating surfaces. For high-gloss finishes, nylon-coated rollers or film applicators provide additional protection.

Contact Us

Ready to enhance your metal forming capabilities? Contact our engineering team at zhongtuorollforming@gmail.com  to discuss your trapezoidal sheet roll forming machine requirements and receive tailored specifications.

Contact Us
ZTRFM | Global Expert in Intelligent Roll Forming Solutions We are your one-stop supplier of full cold roll forming systems. Backed by Siemens Cloud IoT and AI remote maintenance, we deliver stable equipment and worldwide support. Adopting innovative forming technologies, we offer reliable, cost-effective customized solutions for global clients.