Four Roller Plate Rolling Machine

Description
In the 4 roll plate bending machine, the upper roller is mechanically rotated, while the lower rollers are driven to move up and down with hydraulic power. Controlled by electrical central controlling system, whole bending work can be sequentially completed, including pre-bending, forming, levelling, etc. Hence, this machine is economical and convenient for bending work. In details, the 4 roll plate bending machine can bend metal sheet into certain shapes, including cylinder, cone, arch, and so on. After bending, these sheet material can be roughly levelled. Besides, these sheets are made full use of during rolling work, leaving little straight flange.

Structure
The 4 roll plate bending machine is made up of upper roll, bottom roll, side roll, main drive device, tipping device, right and left supporting structure, and seat.

Usage
It is widely used for manufacturing wind turbine towers, onshore pipelines, offshore pipelines, storage tanks, platform steel structures, boilers, heat exchangers, etc. Besides, the 4 roll plate bending machine is often utilized in automotive industry, especially for producing motors, bushings and other metal parts.

Advantages

• This 4 roll plate bending machine is more precise, productive, versatile, faster, safer and easier to operate than three roll machines. They are less dependent on operator competence.
• Two side rolls are respectively located at the right and left of the machine bottom. And two axises are specially responsable for fixing the two rolls. The independent axis of each roll helps make a perfect bend. The “back” side roll (at the far side of the feeding point) also functions as a back gauge to square the plate for proper alignment. Only one operator is enough to manipulate this machine.
• Operator does not need to remove and reposition the material sheets like operating a 3 roll rolling machine. And this 4 roll plate bending machine is 50% more efficient than the 3 roll ones.
• In this machine, NC or CNC system helps a lot in intelligent controlling. Thus, whole bending processes can be done sequentially and efficiently.

Founded on Oct. 25th, 2004, HB Machinery Co., Ltd. is a professional manufacturer and supplier of plate bending machines, including 4 roll plate bending machines. Our company is a key enterprise among national engineering industry.