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Press brake machine uses molds to bend cold metal sheets into workpieces of various geometric cross-section shapes
High bending precision, fast working speed, high efficiency, safe operation and stable performance
The frame has good earthquake resistance (steel plate welded structure). The entire frame is tempered to reduce modifications. A large CNC milling machine is used for one-time processing to ensure high precision.
Use international brand parts and CNC System.
Visual operating system, simple to operate, convenient, multi-functional and practical.
All parts are produced by CNC production center according to standard drawings.
Power supply safety protection design, with light curtain protection and power-off functions when opening the door, making operation safer.
High-speed steel: It has high hardness and wear properties, and is suitable for processing small batches of metal materials.
Carbide: It has extremely high hardness and wear resistance, and is suitable for large-volume processing.
Choosing the structure and shape of the mold directly affects its processing capabilities and scope of application:
Shape selection:
Right-angle die: suitable for processing right-angle shape bending, and can achieve precise right-angle shapes.
Curved die: suitable for processing curved bending shapes, and can realize curve shapes with different curvatures.
Mold processing accuracy and wear resistance
When selecting a mold, you also need to consider its processing accuracy and wear resistance:
Processing accuracy: refers to the dimensional accuracy and shape accuracy of the mold during processing. Higher processing accuracy can achieve higher processing quality and accuracy requirements.
Wear resistance: refers to the wear resistance of the mold during long-term use. Better wear resistance can extend the service life of the mold and reduce production costs.
Overall structural characteristics
All-steel plate welding: For example, Our factory CNC press brake machine adopts all-steel plate welding, which has strong shock resistance and can ensure the stability of the equipment during operation and reduce the impact of vibration on processing accuracy.
Frame precision processing: The frames of some CNC bending machines are formed by one-time clamping and processing by imported CNC three-dimensional machining centers, ensuring the parallelism and verticality of each mounting surface, providing a basis for subsequent high-precision processing.
Adopt an integral welding structure: For example, the body of the electro-hydraulic servo CNC bending machine adopts an integral welding structure, which facilitates transportation and processing and ensures the overall accuracy of the machine tool. At the same time, important components such as the fuselage and slider are analyzed using ANSYS finite element analysis software to ensure the reliability of the machine tool.
Powerful function: It can perform various bending and forming of different types of workpieces. One bending machine can complete the bending of many different shapes of products, with a wide range of applications. 1.
High precision: High bending precision, capable of complex multi-acute angle bending, and digital control improves the repeatability of bending. At the same time, the CNC bending machine adopts an electro-hydraulic servo synchronization system and cooperates with an international level grating ruler to form a fully closed-loop control. The synchronization control accuracy is high, and the bending accuracy and repetitive positioning accuracy reach a very high level.
High degree of automation: the entire bending process is programmable and easy to operate. Workers only need to follow the program settings to complete the bending task, which reduces the requirements for workers' skill levels.
Good economy: more economical than welding forming, high material utilization rate, and can reduce residual materials. Moreover, no additional post-processing is required after molding and can be used directly, reducing production costs.
Fast forming speed: All bending of a workpiece can be completed continuously on one machine, which improves production efficiency.
Strong material adaptability: the bending process will not affect the internal properties of the material and will not produce a heat-affected zone. It is suitable for bending different materials, such as steel plates, aluminum plates, plastic steel plates, etc.
Hydraulic transmission: It adopts hydraulic transmission and consists of slider, oil cylinder and mechanical stop fine-tuning structure. The left and right cylinders are fixed on the frame, and the piston (rod) drives the slider to move up and down through hydraulic pressure. The mechanical stop is controlled and adjusted by the CNC system to achieve more precise motion control.
Workbench part
CNC controlled movement: controlled by a button box, the motor drives the baffle rack to move forward and backward, and the CNC system controls the moving distance, with a minimum reading of up to 0.01 mm. There are travel switch limits at the front and rear positions, ensuring the accuracy and safety of the baffle rack movement.
Material blocking mechanism
Motor transmission and CNC control: The stopper is driven by a motor, and the two screw rods are driven to move synchronously through a chain operation. The CNC system controls the size of the stopper and can accurately adjust the stopper position according to processing needs.
1. Decoration and renovation industry: CNC bending machines can be used to complete the production of stainless steel plates, doors and windows, and the decoration of some special places. It can accurately bend various shapes to meet the needs of different decoration styles and improve decoration quality and efficiency.
2. Electrical and electric power industry: After the plate shearing machine cuts the plate into different required sizes, it is processed again through the bending machine, such as computer cases, electrical cabinets, refrigerator air conditioner casings, etc. The bending machine can ensure the accuracy and quality of these electrical appliance casings, make the electrical products more beautiful in appearance, and improve production efficiency at the same time.
3. Kitchen and catering industry: During the secondary processing of various types of stainless steel kitchenware, such as welding, bending, etc., the bending machine can accurately bend the plates according to the specifications and shape requirements of different kitchenware to produce kitchenware that meets standards.
4. Wind communication industry: It can be used for bending wind power poles, road light poles, communication tower poles, traffic light poles, traffic signal poles, monitoring poles, etc. It can meet the bending accuracy and strength requirements of these pole components and ensure their stability and safety in outdoor environments.
5. Automobile and shipbuilding industry: mainly completes the secondary processing of plates, such as welding, bending, etc. Bending machines can improve the production accuracy and efficiency of automobile and ship parts, ensure the quality of parts, and thereby improve the performance of complete vehicles and ships.
6. Aerospace industry: generally requires higher precision. High-precision CNC bending machines can complete plate bending tasks accurately and efficiently, meeting the strict requirements for precision and quality of aerospace parts.
| S.No. | Name | View | Download |
|---|---|---|---|
| 1 | Miharting Catalog for Press Brake |
As one of the most automated and highly precise types, NC bending machines are widely used in industries such as light industry, aviation, shipbuilding, metallurgy, instrumentation, electrical appliances, stainless steel products, steel structure construction and decoration. They can perform bending, stretching, rounding, punching and other processing on sheets. The bending machine mold can also be replaced to meet the processing needs of various workpieces.
From the overall principle of the bending machine, it is a kind of forging machinery. When used, the coil is energized by a wire. After the electricity is energized, it generates gravitational force on the pressure plate, thereby realizing the clamping of the thin plate between the pressure plate and the base. On this basis, the NC bending machine uses the NC controller to accurately control various parameters, such as the position of the back gauge, the up and down movement of the oil cylinder, etc., to achieve precise bending.
CNC bending machine is essentially a device used for bending thin plates. Its mold usually consists of a bracket, a workbench and a clamping plate. It generates gravitational force on the pressure plate by energizing the coil, thereby completing the clamping of the thin plate between the pressure plate and the base. This electromagnetic force clamping method allows the pressure plate to be manufactured according to specific workpiece requirements.
It is widely used in the bending processing of metal sheets. It is widely used in the manufacturing industry and can meet the bending needs of various metal sheet workpieces. The bending machine mold can be replaced to meet the processing requirements of workpieces of different shapes. For example, after being equipped with corresponding equipment, it can also be used for punching. Using upper and lower molds of different shapes, metal sheets can be bent into various shapes. After multiple bendings, workpieces with more complex shapes can be obtained.
NC (Numerical Control) is a technology that uses digital information to control the movement of machine tools and their processing processes. It is a hard-line CNC device; CNC (Computer Numerical Control) is a CNC system with a computer as the core and is a soft-line CNC device. The main differences between CNC bending machines and NC bending machines are as follows:
- NC bending machine: poor versatility and flexibility.
- CNC bending machine: Almost all the main functions of the bending machine are realized by the system software, and the flexibility is high.
Performance characteristics
- NC bending machine: long manufacturing cycle and high cost. Moreover, there are great limitations in function expansion and adjustment, and it is not able to adapt to diverse bending needs.
Operation and programming
- NC bending machine: The programming is relatively complex and requires high professional knowledge and skills of the operator.
- CNC bending machine: Equipped with powerful programming software, the operation is more intuitive and simple, reducing the requirements for the operator's professional skills.
The bending machine mold is an important tool used by the bending machine to shape and process sheet materials. It is mainly composed of an upper die and a lower die, which are used for stamping, forming and separation of sheet materials respectively. The mold used for forming has a cavity, and the mold used for separation has a cutting edge 1 . The material selection of the bending machine mold is very important. T8 or T10, T10A steel is usually used. Higher quality materials such as 42CrMo and Cr12MoV are also often used. These materials have high strength, high toughness and good wear resistance.
The maintenance of CNC bending machines is crucial to its normal operation and extended service life. First of all, maintenance personnel must wear personal protective equipment such as protective glasses and gloves, and must ensure that the equipment is shut down and unplugged before maintenance work can be performed. At the same time, the machine should be comprehensively inspected and damaged parts should be repaired or replaced in time to eliminate safety hazards.
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