Technical Article

Introduction to the bending machine

Bending machine is a kind of equipment specially used to process straight material (such as metal plate, pipe, profile, etc.) into bending or circular, which is widely used in construction, bridge, mechanical manufacturing, decoration, shipbuilding, aerospace and other fields. It bends the material into the desired shape along a preset trajectory by applying a certain pressure and bending force. According to different materials and application requirements, the bending machine can have a variety of types and structures.

The main classification of bending machines

Manual bending machine:


Suitable for light work, easy to operate, relying on manual application of force to bend materials.

Usually used for small, single or simple radian processing.

Hydraulic bending machine:


Through the hydraulic system to produce a large force of pressure, suitable for processing thicker metal materials.

Stable operation, high bending accuracy, suitable for industrial mass production.

CNC bending machine (CNC bending machine) :


The CNC system can precisely control the Angle, radius and position of bending, which is suitable for batch processing of complex shapes.

High precision, high efficiency, often used in high-demand industrial production, such as automotive, aviation and other fields.

Three roll bending machine:


The material is gradually bent by applying pressure to it through three sets of rollers.

Suitable for pipe, profile processing, especially large radius bending.

The main component of the bending machine

Main frame: The main structure of the machine, used to support and mount other critical components.

Bending rollers: Responsible for the bending of the material, the number and location vary according to the type of machine (such as three-roller machines usually have three bending rollers).

Drive system: Includes hydraulic or electric systems to provide power for bending.

Control system: CNC bending machines are usually equipped with computer control systems that can be programmed to control the accuracy and path of bending.

Auxiliary devices: including brackets, stoppers, etc., for fixing and positioning materials to ensure processing accuracy.

Application field of bending machine

Building and decoration: The bending machine is widely used to process a variety of metal curved structures, such as stair handrails, building facades, etc.

Bridge and machinery manufacturing: used for bending large-caliber pipes, H-shaped steel, etc., to make curved components or mechanical frames of Bridges.

Automotive industry: Used for processing automobile exhaust pipes, frames and other metal parts.

Aerospace: Machining complex aerospace components by high-precision CNC bending machines.

The bending machine has the advantages of high efficiency, accuracy and stability, and can meet the needs of modern industrial production for various complex shape components.


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