What are the methods of sheet metal processing blanking?

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As the application of sheet metal processing expands, the design of sheet metal components has become a crucial aspect in the product development process. Mechanical engineers must be proficient in the design techniques of sheet metal components within sheet metal processing to ensure that the designs meet both the functional and aesthetic requirements of the product while also simplifying the manufacturing of stamping molds and reducing costs.

What are the methods of blanking in sheet metal processing?

The stamping machine is used to form various shaped parts by stamping flat pieces of sheet metal in one or more steps, offering advantages such as short processing time, high efficiency, high precision, low cost, and suitability for mass production. However, mold design is required.

2. Laser cutting involves using laser technology to cut the structural shapes of flat panels on large plates, similar to NC cutting, which requires the programming of laser routines. It can produce flat parts with various complex shapes, with high costs and precision up to 0.1.

3. CNC cutting involves first drafting the CNC machining program. Using programming software, the drawn unfolding diagram is converted into a program recognizable by the CNC machining center. This program guides the machine to cut shapes on a flat surface step by step, with each cut. However, due to the tool structure, the cost is low and the precision is up to 0.15.

4. Sawing Machines: Primarily used for aluminum profiles, square tubes, round bars, and similar materials, offering low cost and lower precision.

5. Shearing Machine: This machine is used for cutting simple strips or pieces of material, primarily for preparing blanking for mold forming. It is cost-effective with an accuracy lower than 0.2mm, but it can only process solid bars or blocks without holes or chamfered edges.