What is a metal bending press (press brake machine)? 2023

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What is a bending machine?

The bending machine is a vital metal processing equipment for bending and bending operations on metal materials. It usually consists of the hydraulic system, mechanical structure, and control system.

The working principle of the bending machine relies on the principle of pressure transmission and force balance. The hydraulic pump converts mechanical force into liquid pressure, then is transmitted through the hydraulic system to drive the mechanical structure and perform bending operations. The hydraulic system consists of cylinders, tanks, pipelines, and control valves.

When the operator positions the metal workpiece on the bending machine and makes adjustments, they pump hydraulic oil into the piston chamber of the hydraulic cylinder, initiating the forward movement of the piston. The connecting rod and pressure plate transmit this motion to the workpiece, exerting pressure that leads to the bending and deformation of the metal material.

Bending machines usually have adjustable bending angles and bending forces. By controlling the hydraulic valve in the hydraulic system, the operator can adjust the applied pressure of the hydraulic cylinder to achieve bending operations at different angles and turning radii. Control systems typically use buttons, foot switches, or CNC interfaces for operation and adjustment.

Bending machines are suitable for the metal processing industry, such as manufacturing metal components, parts, metal sheets, pipes, etc. It plays an essential role in manufacturing and can achieve high-precision and high-volume metal processing needs.

All in all, the bending machine realizes the bending and bending operations of metal materials through the hydraulic system’s force transmission and the mechanical structure’s movement. Its working principle is simple and effective, providing efficient and precise solutions for metal processing.

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Introduction and working principle of bending machine

The bending machine is a crucial metal processing equipment for twisting and bending operations on metal materials. It usually consists of a hydraulic system, mechanical structure, and control system.

 

The bending machine operates based on pressure transmission and force balance. A hydraulic pump converts liquid pressure into mechanical force, which drives the mechanical structure to perform bending operations. The hydraulic system includes hydraulic cylinders, tanks, pipelines, and control valves.

 

The operator places the metal workpiece on the bending machine and adjusts its position. They pump hydraulic oil into the piston chamber of the hydraulic cylinder, initiating the forward movement of the piston. The connecting rod and pressure plate actively transmit this motion to the workpiece, exerting pressure that causes the metal material to bend and deform.

 

Bending machines usually have adjustable bending angles and bending forces. By controlling the hydraulic valve in the hydraulic system, the stroke and applied pressure of the hydraulic cylinder can be adjusted to achieve bending operations at different angles and turning radii. Control systems typically use buttons, foot switches, or CNC interfaces for operation and adjustment.

 

Bending machines are widely used in the metal processing industry, such as manufacturing metal components, parts, metal sheets, pipes, etc. It is essential in manufacturing and can achieve high-precision and high-volume metal processing needs.

 

All in all, the bending machine realizes the bending and bending operations of metal materials through the hydraulic system’s force transmission and the mechanical structure’s movement. Its working principle is simple and effective, providing efficient and precise solutions for metal processing.

 

What are the application fields of bending machines?

 

Manufacturing: Bending machines play an essential role in the manufacturing industry. It processes metal components, parts, and assemblies, such as metal columns, angle steel, beams, etc. The bending machine can accurately bend and bend metal materials as needed to meet the requirements of different products.

 

Automobile industry: Bending machines are suitable for automobile manufacturing and repair. It mainly manufactures body parts, doors, roofs, chassis, etc. Bending machines can precisely bend sheet metal to meet automotive design requirements and ensure the quality and accuracy of claims.

 

Aerospace Industry: In the aerospace sector, bending machines manufacture structural components for aircraft and spacecraft. It can turn and bend various metal materials, such as aluminum alloys, titanium alloys, etc., to meet the requirements of lightweight and high strength in the aerospace industry.

 

Metal processing industry: Bending machines are suitable for metal processing industries, such as sheet metal processing, manufacturing, etc. It can bend and bend metal sheets, pipes, and profiles and is used to make various metal products such as furniture, building structures, and electrical equipment.

 

Construction industry: In the construction field, bending machines make and process metal components, such as steel beams, steel columns, load-bearing features, etc. It can perform precise bending of steel to meet the building structure’s requirements and ensure the structure’s strength and stability.

 

Electronics and electrical appliances industry: Bending machines are also used in the electronics and electrical appliances manufacturing sector. It mainly manufactures casings, metal frames, and brackets for electrical equipment. Bending machines can perform precise bending and bending of metal materials to adapt to electronic and electrical equipment’s shape and size requirements.

 

Introduce the technical parameters and types.

Bending machines can be divided into several types according to their operating methods and control systems: manual bending machines, hydraulic bending machines, and CNC turning machines. These types are introduced below, including their characteristics, advantages, scope of application, and some standard technical parameters.

 

Manual bending machine:

The manual bending machine is a simple mechanical bending equipment. The operator completes the bending operation by manually adjusting and applying force. A simple structure and easy process characterize it, and it is suitable for smaller-scale bending tasks and simple bending angle requirements. Manual bending machines usually have smaller bending lengths and lower bending pressures.

Common technical parameters:

 

Bending length: generally between 1 meter and 2 meters.

Maximum bending pressure: usually between 20 tons and 50 tons.

Control accuracy: It depends on the operator’s manual adjustment and is generally low.

Hydraulic bending machine:

The hydraulic bending machine adopts a hydraulic system to drive the mechanical structure, which has a high bending force and an extensive bending length range. It is characterized by easy operation, adjustable bending energy, and increased work efficiency and precision. Hydraulic bending machines suit medium-sized bending tasks and general bending angle requirements.

Common technical parameters:

 

Bending length: can reach 3 meters to 6 meters or even longer.

Maximum bending pressure: usually between 50 tons and 200 tons.

Control accuracy: generally has high control accuracy, usually between 0.01 mm and 0.1 mm.

CNC bending machine:

CNC bending machine is a highly automated bending equipment that controls the bending process through a computer numerical control system. It has exact control capabilities and complex bending program settings and is suitable for large-scale and complex bending tasks, as well as workpieces with high requirements on bending angles and shapes.

Common technical parameters:

 

Bending length: can reach 3 meters to 12 meters or even longer.

Maximum bending pressure: usually between 100 tons and 1000 tons.

Control accuracy: It has very high control accuracy, usually between 0.01 mm and 0.1 mm.

WMTCNC

WMT CNC INDUSTRIAL CO., LTD. is a mechanical product development, production, and sales scale enterprises a professional manufacturer of sheet metal processing enterprises, The company has more than 100 kinds of products; Manual bending machine, manual electromagnetic bending machines, shears, electric shears, electric rolling machine, hydraulic rolling machine, manual Rolling machines, electric Slip Rolling Machines, etc.Where all manual bending machine and electric shears series passed CE certification, the products in the international market have been widely recognized and praised.

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