Method for pressing conical cover reinforcing ribs

A processing method and reinforcing rib technology, applied in the field of spinning manufacturing, can solve the problems of high labor intensity, low production efficiency and high cost, and achieve the effects of low equipment operating cost, high processing efficiency and low cost

Active Publication Date: 2013-03-20
XIAN AEROSPACEMOTOR MACHINE FACTORY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In order to overcome the shortcomings of high labor intensity, low production efficiency and high...

Method used

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  • Method for pressing conical cover reinforcing ribs
  • Method for pressing conical cover reinforcing ribs
  • Method for pressing conical cover reinforcing ribs

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047] This embodiment is a spinning processing method of an aluminum alloy reinforcing rib. The reinforcing rib is an annular part, the wall thickness of the reinforcing rib is 3mm, and the two ends are supporting ends. The front support surface 4 of the conical cover, the rear support surface 8 of the inner conical cover, and the front support surface 5 and the rear support surface 7 of the reinforcing rib. like Image 6 shown, where:

[0048] The upper surface of the reinforcing rib is the outer conical cover support surface 6, and the angle between the outer conical cover support surface 6 and the inner surface of the outer conical cover at the installation position is the same, which is 155°.

[0049] The lower surfaces at both ends of the reinforcing rib are the supporting surfaces of the inner conical cover respectively, and the supporting surface of the inner conical cover is divided into the front supporting surface 4 of the inner conical cover and the rear supporti...

Embodiment 2

[0069] This embodiment is a spinning processing method of an aluminum alloy reinforcing rib. The reinforcing rib is an annular part, the wall thickness of the reinforcing rib is 2mm, and the two ends are support ends, and the profile of the support end is in the shape of "several", forming 5 surfaces, which are respectively the outer conical cover support surface 6, the inner The front support surface 4 of the conical cover, the rear support surface 8 of the inner conical cover, and the front support surface 5 and the rear support surface 7 of the reinforcing rib. like Figure 9 shown, where:

[0070] The upper surface of the reinforcing rib is the outer conical cover support surface 6, and the angle between the outer conical cover support surface 6 and the inner surface of the outer conical cover at the installation position is the same, which is 160°.

[0071] The lower surfaces at both ends of the reinforcing rib are the supporting surfaces of the inner conical cover resp...

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Abstract

The invention relates to a method for pressing conical cover reinforcing ribs. A sectioning mold same with the molded surface of a product is adopted, a common spherical turning lathe or a numerical control spinning machine is used, and a hot metal spinning mode is adopted. The characteristic that an aluminum alloy material has a good plasticity under a certain temperature while the strength and the toughness are obviously reduced is utilized, and a panel veneer used as a blank. Under the combined action of the radial force and the axial force of a spinning roller, through multi-pass spinning, the panel veneer is forced to deform, materials flow and form workpieces similar with the molded surface of the mold, and the spinning formation of an aluminum alloy annular-structure product with a section like the shape of Chinese character 'ji'. The characteristic that the sectioning mold is detachable is utilized to realize the separation of the 'ji'-shaped section annular-structure piece and the mold, and the completeness of the annular-structure piece is ensured. According to the method, the aluminum alloy annular-structure piece with the special-shaped section which is difficultly formed with processes such as general stamping, machining and the like can be formed. The method has the characteristics of low cost, low labor strength of workers, high processing efficiency and high material use ratio.

Description

technical field [0001] The invention relates to the spinning manufacturing industry, in particular to forming an aluminum alloy annular structural member with an irregular cross-section by heating and spinning. Background technique [0002] With the continuous improvement of the level of science and technology, more and more large-scale annular structure products tend to have irregular geometric shapes. For example, a conical cover is composed of inner and outer layers. The inner and outer conical covers Rely on different sizes and shapes of reinforcing ribs to connect, the structure is as follows figure 1 Shown: [0003] The material of the reinforcing rib is 5A06 aluminum, which is a closed ring structure without welding seams. The wall thickness of the reinforcing rib is 3mm, and the two ends are supporting ends. At the front end, five surfaces are formed, namely the outer conical cover support surface, the inner conical cover front support surface, the inner conical co...

Claims

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Application Information

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IPC IPC(8): B21D22/14
Inventor 温树斌李增辉肖立军杨东浩孙从胜王浩刚韩华强李楼张美平张岩
Owner XIAN AEROSPACEMOTOR MACHINE FACTORY
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