Museum cultural relic showcase production process

Several steps of sheet metal parts using PROE sheet metal feeding as a common structural parts, which are widely used in communications, electronics, automobiles, agricultural machinery and other industries. Its commonly used processing forms include bending, forming, stamping, etc., and the shape and size and accuracy are good.

It can meet the general assembly and use requirements. After plastic deformation, the internal tissue of the metal is improved, the mechanical strength is improved, and the characteristics of light weight, good stiffness, high accuracy and smooth appearance and beauty are matched with the process of welding and glue. More convenient, it is the main method to create complex shapes and components.

Although most domestic companies have introduced CAD technology, most of the calculation of sheet metal signs still adopts equal projection methods. Compared with traditional manual calculation methods, although the process is simplified, the essence has not been fundamentally changed. Replaced with "electronic map board".

At present, three -dimensional CAD software such as Solidworks, Solid Edge, Pro/Engineer, which are popular in the industry, have sheet metal design modules, which can easily complete sheet metal design. This article will use Pro/ENGINEER as the platform. Through two typical cases, the design process will be briefed.

1, 45 ¡ã oblique crossing three -way pipes are shown in Figure 1, and the work of the work of the tube 1 and the pipe 245 ¡ã oblique welding. Figure 1 45 ¡ã The structure diagram of the three -way pipeline of the tube 1 feeding calculation step is as follows. (1) New sheet metal parts, set the template to "mmns_part_sheetmetal".

(2) Select the drop -down menu "Insert/thin plate extend item/rotation" command, draw a sketch on the TOP benchmark, set the rotating shaft to Front, the bilateral symmetrical rotation, the amount of processing the processing is 1 ¡ã, and determine the rotation angle For 359 ¡ã, set the corresponding material thickness. as shown in picture 2. (3) Select the "Insert/Cut/Rotation" command, set the benchmark surface of the sketch as Front, as shown in Figure 3, draw a sketch, set the 45 ¡ã benchmark axis to rotate axes, bilateral symmetry 360 ¡ã rotation removal materials.

(4) Select the "Insert/Bend Operation/Expand" command, select the sheet metal to expand the fixed surface to 359 ¡ã to reserve the seams. As shown in Figure 4. (5) As mentioned above, the expansion of the pipe 2 is shown in Figure 5.

In this example, the user can achieve the same effect with stretch cutting or drilling c.

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