Oil-Electric Hybrid CNC Bending Machine: The Future of Precision Metalworking

In the world of metal fabrication, precision, efficiency, and sustainability are key factors driving innovation. One of the most significant advancements in recent years is the development of the Oil-Electric Hybrid CNC Bending Machine. Combining the best of both hydraulic and electric technologies, these machines offer unparalleled performance, energy efficiency, and environmental benefits. Whether you’re in the automotive, aerospace, or construction industry, an Oil-Electric Hybrid CNC Bending Machine can provide the precision and power needed to meet the demands of modern manufacturing.

Hybrid CNC Bending Machine

An Oil-Electric Hybrid CNC Bending Machine is a type of CNC bending machine that uses a combination of hydraulic (oil-based) and electric power systems to perform metal bending operations. These machines are designed to offer the best of both worlds: the high force and reliability of hydraulic systems, and the precision, energy efficiency, and environmental benefits of electric systems.

Sheet metal bending is the manufacturing method utilized to shape the majority of enclosures, electrical boxes, brackets, and components using a machining device referred to as a CNC press brake. CNC metal bending machines offer high precision, repeatability, and efficiency in metal sheet bending operations. With their advanced technology, these numerical control bending system can handle a wide range of sheet metal materials and thicknesses, providing flexibility and versatility in the bending process.

Components of an Oil-Electric Hybrid CNC Bending Machine

1. Hydraulic System

The hydraulic system in an Oil-Electric Hybrid CNC Bending Machine provides the high force needed for bending thick or tough materials. Hydraulic systems are known for their power and reliability, making them ideal for heavy-duty bending operations.

• Capabilities: Provides high force for bending thick or tough materials like steel, aluminum, and stainless steel.
• Advantages: Reliable, powerful, and capable of handling heavy-duty bending tasks.

2. Electric System

The electric system in the machine offers precise control over the bending process. Electric motors are used for low-force operations and fine adjustments, providing greater accuracy and energy efficiency compared to traditional hydraulic-only systems.

• Capabilities: Provides precise control for fine adjustments and low-force operations.
• Advantages: Energy-efficient, precise, and environmentally friendly.

3. CNC Control System

The CNC control system is the brain of the machine, allowing the operator to input specific bending parameters such as angles, dimensions, and material properties. The CNC system ensures that each bend is consistent and accurate, even for complex shapes.

• Capabilities: Allows for precise programming of bending operations, ensuring consistent and repeatable results.
• Advantages: High precision, automation, and the ability to handle complex bending sequences.

4. Hybrid Power Management

The hybrid power management system optimizes the use of hydraulic and electric power. It switches between the two systems depending on the force required for the operation, ensuring that energy is used efficiently and only when necessary.

• Capabilities: Optimizes energy consumption by using electric power for low-force operations and hydraulic power for high-force operations.
• Advantages: Energy-efficient, reduces wear on the machine, and lowers operating costs.

CNC Bending Machine Features:

1. Machine Performance

a. The machine structure is meticulously designed through finite element optimization, ensuring high strength and rigidity during its operation.

b. Compared to traditional CNC press brakes, we have increased the fluid flow and oil pump output, along with optimizing the cylinder area ratio. This results in a 25% enhancement in Y-axis motion frequency compared to mainstream bending machines in the market.

c. We employ high-frequency responsive proportional valves to guarantee the machine’s high stability and precision when operating at high speeds.

d. Paired with more logically designed parameters such as enclosed height, throat depth, inner stop distance, and slider stroke, our machine offers improvements over mainstream bending machines. This facilitates bending and handling of large, complex workpieces without the need for additional costs.

e. Our brand-new series boasts an industrial design with clean, practical lines that incorporate modern design elements. It sets the trend for market demands.

2. Machine Frame Structure

a. The machine frame is constructed from welded steel plates, ensuring optimal overall load-bearing capabilities.

b. Vibration aging treatment is employed to eliminate internal stresses within the frame, preventing deformation after machining.

c. The machine frame undergoes integrated processing using a CNC five-axis machining center, allowing for a one-time clamping operation that guarantees precision throughout the frame’s various processes.

d. The C-type throat compensation device is installed beneath the machine frame’s throat and connected to the detection system above. This setup ensures that minor deformations occurring during machine bending operations do not affect the system’s measurement accuracy, guaranteeing accuracy for materials of any thickness and composition.

3. Hydraulic System

a. We employ a closed-loop electric-hydraulic servo system for dual-cylinder synchronization control. This high-precision synchronization control ensures superior bending accuracy and repeatability in positioning.

b. Our integrated hydraulic control system minimizes the need for complex piping installations, eliminating the risk of oil leaks. This enhancement significantly improves the machine’s operational stability while maintaining a clean and aesthetically pleasing exterior.

4. Backgauge System (Dual Guideways, X-axis, R-axis, Z-axis)

a. The backgauge system offers rapid speed and high positioning precision.

b. Featuring a fully functional backgauge mechanism, it can be expanded to 6+1 axis (including Z-axis). Utilizing a dual guideway structure minimizes backgauge jitter, improves stability, and effectively controls collisions, enhancing the overall efficiency of product utilization.

5. Clamping and Tooling Configuration

a. Equipped with a manual quick clamp, this system offers the advantages of high precision, easy clamping, no loosening, and tool retention, minimizing interference with workpieces, especially when bending at small angles.

b. Optional hydraulic upper die automatic clamping or quick clamping devices are available, reducing labor intensity for workers and enhancing production efficiency.

6. Other Configurations

a. Rotating Front Material Support

Standard equipment includes two material supports that can be adjusted at intervals and feature a rotating function, helping to avoid interference with workpieces during bending.

How Does an Oil-Electric Hybrid CNC Bending Machine Work?

The Oil-Electric Hybrid CNC Bending Machine operates by using a hybrid system that combines hydraulic and electric power. The hydraulic system provides the necessary force to bend thick or tough materials, while the electric system ensures precise control over the bending process. The CNC system allows the operator to program the machine with specific bend angles, dimensions, and material properties, ensuring consistent and accurate results.

The hybrid system optimizes energy consumption by using the electric motor for low-force operations and switching to the hydraulic system only when high force is required. This reduces energy consumption and wear on the machine, leading to longer machine life and lower operating costs.

Applications of Oil-Electric Hybrid CNC Bending Machines

1. Automotive Industry

In the automotive industry, Oil-Electric Hybrid CNC Bending Machines are used to create precise, high-quality components such as exhaust systems, chassis parts, and structural components. The precision and efficiency of these machines make them ideal for mass production and custom fabrication.

• Applications: Bending of exhaust systems, chassis components, and structural parts.
• Advantages: High precision, energy efficiency, and the ability to handle a wide range of materials.

2. Aerospace Industry

The aerospace industry requires high levels of precision and consistency in the production of aircraft components. Oil-Electric Hybrid CNC Bending Machines are used to create complex, high-strength parts such as wing components, fuselage sections, and landing gear.

• Applications: Bending of aircraft components such as wings, fuselage sections, and landing gear.
• Advantages: High precision, energy efficiency, and the ability to handle high-strength materials.

3. Construction Industry

In the construction industry, Oil-Electric Hybrid CNC Bending Machines are used to create structural components such as beams, columns, and brackets. The machines’ ability to handle large, heavy-duty materials makes them ideal for construction applications.

• Applications: Bending of structural components such as beams, columns, and brackets.
• Advantages: High force, energy efficiency, and the ability to handle large materials.

4. Custom Metal Fabrication

For custom metal fabrication shops, Oil-Electric Hybrid CNC Bending Machines offer the versatility and precision needed to create a wide range of custom parts. Whether you’re working on small, intricate designs or large, heavy-duty components, these machines can handle the job.

• Applications: Custom bending of metal parts for various industries.
• Advantages: Versatility, precision, and the ability to handle a wide range of materials and project sizes.

5. Shipbuilding Industry

In the shipbuilding industry, Oil-Electric Hybrid CNC Bending Machines are used to create large, complex metal components such as hull sections, bulkheads, and structural supports. The machines’ high force and precision make them ideal for handling the heavy-duty materials used in shipbuilding.

• Applications: Bending of hull sections, bulkheads, and structural supports.
• Advantages: High force, precision, and the ability to handle large, heavy-duty materials.