Bending Machine Electric Control Valve Group

The electronic control valve group of the bending machine is an important part of the hydraulic bending machine. It is responsible for controlling the working state of the hydraulic valve through electrical control and controlling the various actions of the bending machine. Unlike traditional mechanical or manual control systems, the electronic control valve group realizes high-precision automatic operation through the linkage of the solenoid valve and the electronic control system. While ensuring the smooth operation of the hydraulic system, it provides flexible programmed control to ensure that the bending machine can complete various complex bending tasks.
The design of the electronic control valve group of the bending machine has an important impact on the operating accuracy, work efficiency, automation level and safety of the bending machine. Especially in modern CNC bending machines, the electronic control valve group further improves the flexibility of operation by cooperating with the CNC system (CNC system).

Product Features
Automation and intelligent control:
The electronic control valve group can accept automatic instructions for accurate adjustment by integrating with the CNC system (CNC). All controls of the hydraulic system (pressure, flow, oil flow direction) can be automatically completed according to the program to reduce manual intervention.
High precision:
The electronic control valve group can adjust the flow and pressure of the hydraulic oil to ensure the smooth movement of the bending machine mold and improve production efficiency and processing accuracy.
Flexible control mode:
Control parameters can be adjusted through interfaces such as PLC or touch screen according to work needs, supporting multiple operation modes such as manual, automatic, and timing to adapt to different processing needs.
High responsiveness and stability:
Adopt high-response solenoid valves and flow control elements to ensure that the hydraulic system can quickly respond to the commands of the CNC system and realize the operation of the bending machine.
Energy-saving design:
The electronic control valve group optimizes the working efficiency of the hydraulic system through intelligent control, can automatically adjust the oil pump output according to load changes, reduce unnecessary energy consumption, and improve the overall energy-saving performance of the system.
Highly integrated:
Many electronic control valve groups integrate multiple control units into one module, reducing the complexity of wiring and connectors, reducing the system failure rate, and improving overall reliability.
Safety protection function:
Equipped with multiple safety protection mechanisms, such as overload protection, overheating protection and emergency stop devices, to ensure the safe operation of the system under high load and high-intensity work.

Main Components
The electronic control valve group of the bending machine consists of the following main parts:
Solenoid valve:
The solenoid valve is one of the core components of the electronic control valve group. It controls the oil flow direction and flow rate in the hydraulic system through electrical signals. According to the instructions of the CNC system, the solenoid valve can adjust the switching of the oil flow and drive the hydraulic cylinder to complete the lifting and lowering of the upper or lower mold.
Pressure control valve:
It is used to adjust and maintain the oil pressure in the hydraulic system to prevent the pressure from being too high or too low. The pressure control valve can automatically adjust the working pressure of the hydraulic system to ensure that the bending machine operates stably and reaches the preset pressure.
Flow control valve:
Adjust the flow of hydraulic oil and control the movement speed of the hydraulic cylinder to achieve smooth operation of the bending machine.
Reversing valve:
The reversing valve controls the flow direction of the oil and determines the lifting direction of the bending machine mold. By switching the reversing valve with the solenoid valve, the hydraulic system can switch between different directions to complete the work of the upper and lower molds.
Overflow valve:
When the pressure in the hydraulic system is too high, the overflow valve will automatically open to release excess pressure to prevent damage to the hydraulic system and the bending machine.
Safety valve: Prevent the hydraulic system from overloading. When the system pressure exceeds the safety range, the safety valve will automatically release pressure to protect the equipment from damage.
Electronic control module: The electronic control module is the "brain" of the electronic control valve group. It connects the solenoid valve and the CNC system, receives and executes signals from the CNC system, and controls the operating status of the hydraulic system. The electronic control module usually has a programmable logic controller (PLC) or a touch screen interface, which supports switching between manual and automatic modes.
Sensors and feedback devices: Sensors are used to monitor key parameters such as pressure, flow, and temperature in the hydraulic system, and feed back data to the CNC system to ensure that the state of the hydraulic system is stable within the working range.

Working Principle
The electronic control valve group of the bending machine realizes the control of the hydraulic system by working in coordination with the CNC system. The working principle is as follows:
Receiving control signals: The CNC system sends instructions to the solenoid valve through the electronic control module to adjust the working state of the hydraulic system. The electronic control module automatically switches the hydraulic valve according to the programming of the CNC system to control the action of the hydraulic cylinder.
Solenoid valve switching:
After receiving the command, the solenoid valve in the electric control valve group opens or closes the corresponding valve port, changes the flow direction or flow of the hydraulic oil, and drives the movement of the hydraulic cylinder.
Pressure and flow regulation:
The pressure control valve and flow control valve adjust the pressure and flow of the hydraulic oil according to actual needs to ensure that the hydraulic system always operates in the set working state.
Mold motion control:
The reversing valve controls the flow direction of the oil, thereby controlling the lifting, contact or retraction of the upper and lower molds of the bending machine to complete the bending process.
Feedback adjustment:
The pressure, flow and other data in the hydraulic system are monitored by sensors, and the electronic control module feeds the data back to the CNC system to adjust the working state of the valve group in real time to keep the hydraulic system running stably.
Safety protection:
The overflow valve and safety valve play a protective role when the pressure is too high to prevent the system from overloading or overheating, ensuring the safety and stability of the system.

Application Fields
The electronic control valve group of the bending machine is widely used in the following fields:
Sheet metal processing:
Suitable for bending various metal materials (such as stainless steel, aluminum plate, steel plate, etc.), especially suitable for environments that require high precision and high production efficiency.
Automobile manufacturing:
Used for bending metal parts such as body parts, chassis, and frames, the electronic control valve group can realize the operation during mass production.
Aerospace:
Suitable for bending aviation parts, aircraft structural parts, etc., to ensure high precision and stable bending effect.
Home appliance manufacturing:
Used for bending the shells and other metal parts of home appliance products, such as refrigerators, washing machines, air conditioners, etc.
Machinery manufacturing:
Used for bending metal parts such as the shell and frame of mechanical equipment.
Construction industry:
Bending steel structures, aluminum alloys and other building materials, the electronic control valve group can ensure stable operation.

Maintenance and Maintenance
The maintenance and maintenance of the electronic control valve group of the bending machine is very important to ensure the stability and long-term operation of the equipment:
Check the hydraulic oil: Check and replace the hydraulic oil regularly to ensure the cleanliness of the oil and avoid contamination of the valve group.
Clean the filter: Clean the filter in the hydraulic system regularly to prevent impurities in the oil from clogging the valve.
Check the valves and solenoid valves: Check the valves and solenoid valves in the electric control valve group regularly to ensure that they are working properly and there are no leaks or faults.
Check the electrical system: Check the electrical connections of the electric control system to ensure that there are no looseness or short circuits.
Regular calibration: Check and calibrate the pressure and flow control valves in the hydraulic system to ensure that the valve group is in good working condition.
Check the seals: Check the seals of the electric control valve group regularly to prevent leakage or aging.