Space envelope forming manufacturing method of thin-wall high-rib heat dissipation component

Abstract

The invention relates to a space envelope forming manufacturing method of a thin-wall high-rib heat dissipation component. The method comprises the following steps that S1, a forging is designed, specifically, a forging parting surface of the thin-wall high-rib heat dissipation component is a plane where a bottom plate is located, and an oblique flash edge is arranged at the top of the side face of a bottom plate of the forging; S2, a blank is designed, specifically, the blank is a slab, and the shape of the cross section contour line of the slab is the same as the shape of the cross section contour line of the bottom plate; S3, space envelope forming is carried out; S4, envelope finishing is carried out; S5, the forging is ejected; and S6, trimming is carried out, specifically, high ribsof the forging obtained in the S5 are inserted into hole type cavities of a lower die of a trimming die, an upper die of the trimming die makes contact with the bottom plate of the forging, the forging and the lower die of the trimming die are pushed to move downwards at the same time, and the flash edge of the forging is cut off under the shearing action of the upper die and a fixing die of the trimming die; and S7, the end surfaces of the high ribs are orderly cut. According to the space envelope forming manufacturing method of the thin-wall high-rib heat dissipation component, not only canthe integral forming of the thin-wall high-rib heat dissipation component be realized, but also the material utilization rate can be improved, the forming limit of the thin wall and the high ribs canbe improved, and the loaded state of a die can be improved.

Description

Technical field [0001] The invention relates to the technical field of heat dissipation component processing and manufacturing, and more specifically, to a method for manufacturing a thin-walled and high-ribbed heat dissipation component space envelope forming. Background technique [0002] At present, my country's high-end precision instrument equipment is developing in the direction of high power, high integration and high stability. Thin-walled and high-reinforced heat-dissipating components are the key heat-dissipating components in precision instruments and equipment, and are key components to improve the heat-dissipating performance of precision instruments. The performance of this component has become a key factor in determining the ultimate performance and operational reliability of precision instrument equipment. In order to improve the heat dissipation capacity of this type of components, it is necessary to try to increase the heat dissipation area in a limited space, ...

AI Technical Summary

Problems solved by technology

However, due to the extremely thin base plate and high and thin ribs of this type of component, the flow ability of the metal in the extrusion die is poor, so the thickness of the base plate and the height of the ribs that can be formed are very limited, which severely limits the thin-walled high-rib heat dissipation components. formable range

In addition, due to the large forming load in the extrusion forming process, it is easy to cause the mold to fail, so the life of the mold is low, which is not conducive to the mass production of thin-walled and high-rib heat dissipation components

In summary, the existing cutting process and extrusion forming process are difficult to achieve high-efficiency, high-performance, and low-cost manufacturing of thin-walled and high-rib heat dissipation components

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