What is a press brake?
A press brake is a machine tool used to bend a plate or sheet material, mainly sheet metal, into various forms and shapes as predetermined by the positioning and clamping of punch and die.
Types of press brake
Press brakes for sale are usually classified as per the source of their bending force. It can be divided into various types, including:
- Hydraulic press brake
- Pneumatic press brake
- Mechanical press brake
- Servo electric press brake
In a mechanical press brake tooling system, the crank mechanism drives the vertical motion of the ram while the flywheel powers the crank mechanism.
In a pneumatic press brake, the air pressure is used to drive the ram.
In hydraulic press brakes, synchronized hydraulic cylinders are used to drive the ram.
A servo motor is used to drive the belt drive or ball screw in servo-electric press brakes. This exerts a force on the ram to drive it vertically.
Type of press brake according to operations
According to their operations, the press brake tooling system can be divided into various types. They include:
- Hydraulic press brake
- Manual press brake
- CNC press brake
Manual press brake
The manual press brake is the most commonly used type of press brake machine. It is also commonly called a sheet metal brake machine. You need to manually adjust the angles and bedding dimensions to bend the sheet metal in this machine. Manual press brake machines are also the most complex to operate. Therefore, it becomes necessary to ensure mass production after confirming the bending angle and bending size.
Hydraulic press brake
The hydraulic press brake machine uses two hydraulic cylinders to allow more consistency and control over the strokes. The hydraulic press brakes are classified mainly as down or up acting press brakes as per their drive mechanism or ram movement. Each type has its distinct advantages and can be used for particular bedding and shaping procedures.
CNC press brake
CNC press brake machines have the highest degree of customization and precision abilities. These machines use computer technology to increase efficiency and control accuracy while performing the bending and shaping operations. Different data such as plate width, grade, thickness, and bending angle is fed into the controller of the CNC machine by the operator.
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