Name: Four Roll Plate Bending Machine
Brand: Tianjin Coorig Technology Co., Ltd
SKU: YS-12NC-6*1500
Availability: InStock
Rating: 5 (1 reviews)

No.YS-12NC-6*1500

The Four Roll Plate Bending Machine is a fully hydraulic, CNC-controlled system designed for precision metal forming. Ideal as a ducting machine and round duct machine, it supports up to 1500 mm width and 3 mm thickness, delivering consistent, reliable bends for industrial applications.

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Description

Main body overview

The machine is fully hydraulic driven, digital control, advanced machine structure, superior performance, high efficiency, in the international and domestic industry are in the leading level. Our CNC hydraulic four-roll plate rolling machine has the characteristics: 1. Side roll linear swing, good pre-bending effect 2. Hydraulic distribution valves and displacement sensors are used to ensure the synchronization of the press rolls and rollers on both sides.

Technical date

Model	YTW12NC-3×1500
The diameter of the upper roller	Φ150㎜42CrMo
The diameter of the lower roller	Φ150㎜42CrMo
The diameter of the side roller	Φ130㎜42CrMo
Material	Stainless steel
Processing Range	0.8~3
Max Sheet Thickness	3
Max Bending Thickness	3
Max Sheet Width	1500㎜
Drive Mode of Working Roller	Upper Roller Hydraulic motor drive
Sheet Yield Limiy	≤245Mpa
Working Speed	About 3~6m/min
The remaining straight edge of prebending	≤1.5mm
Max bending diameter	Φ300㎜
Total Power	4KW

The Four Roll Plate Bending Machine is ideal for precise metal forming in HVAC, serving as a reliable round duct machine and ducting machine to support duct fabrication and assembly in industrial settings.

Featuring a fully hydraulic, CNC-controlled system, this duct machine for sale ensures consistent bends with synchronized rollers and digital control, optimizing efficiency on the duct production line.

Designed to reduce material waste and manual labor, this durable machine from a trusted ducting machine supplier delivers repeatable precision that enhances production quality and streamlines manufacturing workflows.

Functional Positioning and Target Users

The Four Roll Plate Bending Machine serves as an industrial-grade solution for sheet metal fabrication professionals, engineers, and procurement managers requiring high-precision bending capabilities. This duct machine for sale is engineered to meet the demanding needs of manufacturing plants and metal workshops working on curved metal plates, duct sections, and related HVAC components. Our company provides this technology to streamline production, ensure repeatable results, and reduce manual labor in sheet forming operations.

Technical Features and Core Specifications

This machine integrates a fully hydraulic system controlled digitally with precise roller synchronization to achieve uniform bends. Key features include side-roll linear swing for prebending, an upper roller hydraulic motor drive at 4 kW, and construction from corrosion-resistant stainless steel. The model YTW12NC-3×1500 supports sheets up to 1500 mm wide and 3 mm thick, with a max bending diameter of 300 mm. Hydraulic distribution valves and displacement sensors coordinate all four rollers to maintain consistent curvature and tight tolerances, making it a reliable choice for precision duct fabrication.

Industry Applications and Application Value

Widely used in HVAC manufacturing, metal fabrication shops, and prototyping environments, this ducting machine supplier product excels in fabricating round ducts, preforming metal parts, and testing material bendability. It supports both small-batch production and quality control workflows by offering repeatable, accurate prebends and curvature validation. Its ability to maintain uniform bend radii directly contributes to improved assembly quality, reduced waste, and optimized production efficiency across duct production lines.

Advantages

Four-Roll Structure for Higher Roundness Accuracy
This round duct machine uses a four-roll bending structure that allows precise control over plate positioning and bending pressure. Unlike three-roll machines, it can pre-bend both ends of the sheet before full rolling, reducing flat edge length and improving final cylinder geometry. The result is better roundness and tighter diameter tolerance, which is essential for duct systems requiring accurate fit with flanges, couplings, and spiral duct components. This directly improves assembly efficiency and reduces secondary correction work, making production more stable and predictable.

Efficient Forming for Industrial Duct Production Lines
As part of a professional duct production line, the four-roll design allows faster forming with fewer manual adjustments. Operators can load, pre-bend, roll, and discharge the workpiece in a continuous workflow. This shortens production cycles and reduces labor dependency while maintaining consistent forming quality. For manufacturers expanding capacity, this structure improves output stability and simplifies production scheduling, especially in workshops handling high-volume duct fabrication.

Heavy-Duty Construction for Long-Term Manufacturing Use
This duct machine for sale is built with a reinforced frame, stable transmission system, and wear-resistant rollers to support continuous industrial operation. Plate bending involves high mechanical loads, and long-term accuracy depends on structural rigidity. The machine maintains stable bending performance over extended working hours, reducing maintenance frequency and protecting production timelines. It is a reliable investment for factories seeking durable and predictable forming equipment.

Use Scenarios

Application in HVAC Duct Fabrication and Assembly

In HVAC manufacturing environments, the Four Roll Plate Bending Machine is crucial for producing accurately curved duct sections up to 1500 mm in width. Its ability to deliver consistent prebends and maintain tight radii tolerances ensures optimal fit and seal integrity of duct assemblies. This machine enables fabrication teams to streamline duct production lines, minimize material waste, and maintain compliance with industry specifications for round duct machines. These performance attributes support seamless downstream assembly and quality inspection processes.

Role in Small-Batch Prototyping and Process Development

Within prototype workshops and R&D centers, this hydraulic bending system serves a vital function by enabling precise trial runs of custom curved metal components. Its capacity to process stainless steel sheets 0.8 to 3 mm thick allows engineers to verify bend behavior and optimize parameters before full-scale production. As a result, product developers can validate geometry, prebend accuracy, and material response under controlled conditions, facilitating improved design iteration cycles. This adaptability fits well with flexible manufacturing systems and quality control workflows requiring repeatable precision.

FAQ

Is this machine suitable for different sheet thicknesses?
Yes. It supports a range of common duct sheet thicknesses used in HVAC and industrial ventilation fabrication.

What materials can it process?
It can process galvanized steel, stainless steel, aluminum, and other standard sheet metals.

Can it work with other ducting machines?
Yes. It integrates easily with spiral duct machines, welding units, and cutting equipment from any ducting machine supplier.

Is operator training complicated?
No. Basic mechanical training is sufficient for stable and safe operation.

How is the machine shipped?
It is packed in export-grade wooden cases to protect structural accuracy during transportation.