CNC metal bending refers to the process of using Computer Numerical Control (CNC) technology to bend metal sheets or profiles. CNC machines are automated systems that can accurately and precisely manipulate metal to create various shapes and angles.
Here's a general overview of the CNC metal bending process:
1. Design: The first step is to create a digital design or CAD (Computer-Aided Design) file of the desired metal component. This file contains information about the dimensions, angles, and bend locations.
2. Programming: Once the design is ready, the CAD file is imported into a CNC bending software. The software converts the design into machine-readable instructions and generates a bending program.
3. Setup: The metal sheet or profile is loaded onto the CNC bending machine. The machine typically consists of a hydraulic or electric press brake, which uses a punch and die set to bend the metal.
4. Tooling selection: Depending on the complexity of the bend, the appropriate punch and die set are selected. These tools determine the angle and shape of the bend.
5. Calibration: Before starting the bending process, the CNC machine may require calibration to ensure accurate positioning and bending. This involves setting the reference points and verifying the machine's accuracy.
6. Bending process: The CNC machine follows the programmed instructions to position the metal sheet/profile accurately. The hydraulic or electric press brake then applies force at the desired bending points, deforming the metal and creating the desired bend angle and shape.
7. Quality control: After the bending process, the bent metal component is inspected for accuracy and quality. Measurements may be taken using measuring instruments like calipers or optical systems to verify dimensional accuracy.
CNC metal bending offers several advantages over traditional manual bending methods. It allows for high precision, repeatability, and the ability to produce complex shapes consistently. Additionally, CNC machines can handle larger workpieces and perform multiple bends in a single operation, enhancing productivity and efficiency.
However, it's worth noting that CNC metal bending is typically used for thinner metal sheets or profiles. For thicker or heavier materials, other methods like press braking or roll bending may be more suitable. The choice of the bending technique depends on the specific requirements of the project.
Item | Steel Plate Fabrication |
Material | Carbon Steels Stainless Steel Aluminum Copper |
Width | Any Specification |
Length | 6M for Sheet 9M for hollow section |
Thickness | 0.5-30MM |
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