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Method of making hollow structures

A hollow, cavity technology, applied in the direction of blade support elements, engine elements, machines/engines, etc., can solve the problems of high cost, difficulty, and inability to use blades, and achieve the effect of reducing weight, simple steps, and improving structural strength.

Active Publication Date: 2016-05-11
SHENZHEN WISDOM ENERGY TECH CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, it is very difficult to fabricate some hollow structures with irregular cross-sections, resulting in high cost
For example, the blade of a turbine engine is such a structure with an irregular cross-section, so the existing methods for manufacturing hollow structures can hardly be used to manufacture blades with hollow structures

Method used

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Embodiment Construction

[0029] Before describing the embodiments in detail, it should be understood that the present invention is not limited to the detailed structures or arrangements of elements described herein below or in the accompanying drawings. The present invention can be implemented in other ways. Also, it should be understood that the phraseology and terminology used herein are for descriptive purposes only and should not be interpreted as limiting. The terms "including", "comprising", "having" and similar expressions used herein are meant to include the items listed thereafter, their equivalents and other additional items. In particular, when "a certain element" is described, the present invention does not limit the number of the element to one, but may also include a plurality.

[0030] figure 1 is a general flowchart of a method of fabricating a hollow structure. Such as figure 1 , in step S102, first provide a multi-layer plate structure. Each layer of boards in the multi-layer bo...

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Abstract

The invention provides a method for manufacturing a hollow structure, which comprises the steps that a multi-layer plate structure is provided, wherein each plate layer of the multi-layer plate structure is provided with a combination part and a non-combination part, and the adjacent plate layers are fixed and combined at the combination parts of the plate layers; the multi-layer plate structure is heated to softening temperature of at least partial plate layers; and fluid pressing is performed between the adjacent plate layers at the softening temperature, so that the multi-layer plate structure deforms to form the hollow structure that the adjacent plate layers are fixed and combined at the combination parts of the plate layers and form cavities at the non-combination parts of the plate layers.

Description

technical field [0001] The invention relates to a method for manufacturing a hollow structure, especially a method for manufacturing a metal or alloy hollow structure. Background technique [0002] Hollow structures can provide better performance than solid structures in many cases. For example, for the blades of turbine engines, which operate at high speed in a high temperature environment, the hollow structure can reduce weight, increase structural strength and provide excellent blade cooling performance, so the industry has been hoping to adopt such hollow structure blades. However, fabricating some hollow structures with irregular cross-sections is difficult and costly. For example, the blade of a turbine engine is such a structure with an irregular cross-section, so the existing method for manufacturing a hollow structure can hardly be used to manufacture a blade of a hollow structure. Contents of the invention [0003] In view of this, this paper proposes a method ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21D26/021F01D5/18
Inventor 王志强
Owner SHENZHEN WISDOM ENERGY TECH CO