Waht Is Sheet Metal Fabrication?

Sheet metal processing is an indispensable and important in modern manufacturing. It is widely used in automobiles, aerospace, electronics, home appliances and other fields. With the continuous development of science and technology and the changing market demand, sheet metal processing is also constantly innovating and improving. This article will introduce you to the basic concepts, process flow and application areas of sheet metal processing, helping you better understand this important manufacturing process.


Part One: Definition of Sheet Metal
Part Two: Steps of sheet metal processing
Part Three: Sheet metal bending dimensions
Part Four: Application advantages of sheet metal

sheet metal processing

Part One: Definition of Sheet Metal

Sheet metal refers to metal products processed into various shapes from thin sheet metal (usually no more than 6mm). These shapes may include flat, bent, stamped, and formed. Sheet metal products are widely used in various industries and fields, such as automotive manufacturing, construction, electronics manufacturing, aerospace, medical equipment, and more. Common sheet metal materials include cold-rolled steel plates, galvanized plates, aluminum plates, stainless steel plates, etc. Sheet metal products have the characteristics of light weight, high strength, corrosion resistance, smooth surface, and low manufacturing cost, so they are widely used in manufacturing various products and parts.

Part Two: Steps of sheet metal processing

Sheet metal processing is usually divided into the following steps:
a. Material preparation: Select the appropriate sheet metal material and cut it into the required size and shape according to the design requirements.
b. Pre-processing treatment: Treat the material surface, such as degreasing, cleaning, polishing, etc., to facilitate subsequent processing.
c. CNC punch processing: Use CNC punch to cut, punch, groove, and emboss the sheet metal materials according to the design drawings.
d. Bending: Bending the flat parts processed by the punch press according to the design requirements to form the required three-dimensional shape.
e. Welding: Weld the bent parts, if necessary.
f. Surface treatment: Surface treatment of finished products, such as painting, electroplating, polishing, etc.
g. Assembly: Assemble the various components to finally form the finished product.
Sheet metal processing usually requires the use of various mechanical equipment and tools, such as CNC punch machines, bending machines, welding equipment, grinders, etc. The processing process needs to follow safe operating procedures to ensure processing efficiency and quality.

sheet metal bending

Part Three: Sheet metal bending dimensions

The size calculation of sheet metal bending needs to be calculated based on factors such as the thickness of the sheet metal, the bending angle, and the bending length. Generally speaking, the calculation can be carried out according to the following steps:
a. Calculate the length of the sheet metal. The length of the sheet metal is the length of the bend line, that is, the sum of the lengths of the bend part and the straight segment.
b. Calculate the length after bending. The length after bending should take into account the length occupied by the bending curvature. Calculate the length after bending based on the bending angle and the thickness of the sheet metal.

c. Calculate the unfolded length of the sheet metal. The unfolded length is the length of the sheet metal when it is fully unfolded. Calculate the unfolded length based on the length of the bend line and the bend angle.
d. Calculate the width after bending. The width after bending is the sum of the widths of the two parts of the "L"-shaped part formed after the sheet metal is bent.
It should be noted that factors such as different sheet metal materials, thicknesses, and bending angles will affect the size calculation of sheet metal. Therefore, when calculating sheet metal bending dimensions, calculations need to be made based on specific sheet metal materials and processing requirements. In addition, for some complex bending parts, CAD software can be used for simulation and calculation to obtain more accurate dimensional calculation results.

Part Four: Application advantages of sheet metal

Sheet metal has the characteristics of light weight, high strength, conductivity (can be used for electromagnetic shielding), low cost, and good mass production performance. It has been widely used in electronic appliances, communications, automotive industry, medical equipment and other fields.
Advantages of sheet metal processing include:
a. Light weight: The materials used for sheet metal processing are usually thin plates, so they are lightweight and easy to carry and install.
b. High strength: The materials used for sheet metal processing are usually high-strength steel plates, so they have high strength and stiffness.
c. Low cost: The material used for sheet metal processing is usually ordinary steel plates, so the cost is relatively low.
d. Strong plasticity: Sheet metal processing can be formed by shearing, bending, stamping and other means, so it has strong plasticity.
e. Convenient surface treatment: After sheet metal processing, various surface treatment methods such as spraying, electroplating, and anodizing can be carried out.

Sheet metal processing

GPM Sheet Metal Division has advanced production equipment and technology, and adopts high-precision CNC sheet metal processing technology to meet customer needs for high-precision, high-quality, traceless sheet metal products. During the sheet metal processing process, we use CAD/CAM integrated design software to realize digital control of the entire process from drawing design to processing and production, ensuring product accuracy and consistency. We can provide one-stop solutions from sheet metal processing to spraying, assembly, and packaging according to customer needs, and provide customers with customized traceless sheet metal products and overall solutions.

Post time: Sep-27-2023