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Double Layer Sheet Roll Forming Machine
A double-layer roll forming machine is a highly versatile and efficient solution for the modern construction industry. Designed to maximize productivity and optimize factory space, this innovative equipment integrates two complete roll forming lines—an upper and a lower one—onto a single, compact frame. This unique design enables the machine to produce two different metal sheet profiles simultaneously, eliminating the need for separate machines and reducing initial investment costs. With the ability to produce a wide range of products, such as trapezoidal, corrugated, and tile profiles, the double-layer machine is an essential asset for any manufacturer seeking to enhance their production capacity and flexibility.
Two-layer roll forming technology represents a significant leap forward in the manufacturing of metal building materials, offering unmatched efficiency and versatility. Unlike its single-layer counterpart, a two-layer roll forming machine is engineered with two distinct sets of forming rollers, stacked vertically. This innovative design allows the machine to produce two different types of metal profiles from the same coil of material simultaneously or switch between profiles with minimal downtime.

For example, a manufacturer can produce both a 9-rib square profile and an 11-rib trapezoidal profile on a single machine, greatly expanding product variety without requiring additional floor space. This technology is particularly valuable for businesses aiming to optimize production flow, reduce capital investment, and quickly adapt to diverse market demands, solidifying the two-layer roll former as a cornerstone of modern, high-output fabrication.

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TECHNICAL SPECIFICATIONS

Machine Specifications

Dimensions (L x W x H): 15000 mm x 1800 mm x 1500 mm

Weight (Kg): 3000-4500 (Weight can be changed according to deformation and number of levels)

Productivity/speed (m/s): 20-25 m/minute (Can be adjusted faster upon request)

Diameter: 60 mm

Machine wall (mm): 60 mm

Groove cutting tool: A special groove tool of 36 mm x 60 mm that prevents shedding, and ensures the cutting blade is not warped, scratched, or cuts into the part.

Resistance shaft diameter (mm): 870 mm

Number of blades (Optional according to needs, 2 levels not empty): 9 square lines 11 square lines; 13 square lines; 14.5 square lines

Lower level (Optional according to needs, 2 levels not empty): 9 square lines 11 square lines; 13 square lines; 14.5 square lines

Electrical power (kW / HP): 5.5 kW / 7.5 HP

Raw Material Specifications

Thickness (mm): - Square wave: 0.25 mm - 0.6 mm; Round wave: 0.25 mm - 0.6 mm;

Wave spacing: 0.25 mm - 0.6 mm

Width x length: 1500 x 500

Raw material: Cold-rolled steel, galvanized steel, color-coated steel

Weight: G300 - G550

Motor

Electric motor (HP): 7.5 HP - Hitachi/Tawa - Japan/Taiwan

Pump motor (kW/V): 4 kW / 5

Valve: 2-speed levels

Transmission unit (Gear): 8 mm / 9 mm/10 mm

Oil pipe: Yokohama/Dynaflex - Japan/Taiwan

Dynamic pump motor (cc/V): BMG-150 cc/V

Pressure gauge (MPa): 250 kgf/cm²

K32 hydraulic structure (Imported): 200L

Control Cabinet

Inverter: Fuji - Mitsou

Overload protection relay for motor: Available

PLC: OMRONC C - Japan

Industrial controller (PLC): Mitsubishi - Japan

Clock/Meter: Siemens/Omron - Japan/Taiwan

Hydraulic valve switching relay: Self-switching relay, super durable, withstands 10A - Japan

Touch control screen: Available

Counter: 360 pulses/revolution Aatronics - South Korea

Sensor set: 3000

Sensor: 250VAC

Electric wire: Vietnam

Automatic control and transmission unit

Motor: 850 x 150 ST

Wheel shaft: 850 x 150

Pedal: FBL / PBB

RS chain: 60

Bare head: 20L capacity

Cutting blade: Runs with movement of Japan (unique, one-piece cutting blade)

Adjustment: Runs with high precision and is automatic

Blade: (supplier's blade)

Distinctive features

Resistance furnace: Chromium

Lubricating oil furnace: Chromium

Oil resistance pipe (850 - BTU): Chromium

Furnace wing port (870): Chromium

Rod: Chromium

Pulley: Chromium

Front / rear processing: Chromium

Shaft mask: Chromium

Chain water usage: Chromium

External standards

Durability & machine operation: The machine's equipment is manufactured in series by the company, with great tensile strength, good durability, and the product is made sturdily.

Safety in use: The machine is programmed to automatically switch off the valve when a malfunction occurs, and when the valve's shutdown process is complete, it will simultaneously report the error, and after the valve's shutdown process is complete, the machine automatically switches to a safe mode.

Productivity, product quality: This product is designed to produce parts with high precision, ensuring product quality.

Meets technical standards: Inspection, evaluation of product quality.

Custom design: Thickness is the standard product (can be designed upon request)

Instructional video