Method for determining loading path for achieving multi-way loading forming of multi-cavity component

A technology of loading path and determination method, which is applied in the direction of engine components, metal processing equipment, instruments, etc., can solve the problems of wasting time and increasing test cost, and achieve the effect of uniform metal flow, saving test cost and time, and reducing forming load

Active Publication Date: 2017-08-18
NORTHWESTERN POLYTECHNICAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0014] In order to solve the problem that the determination of a reasonable loading path for multi-directional loading forming of existing multi-cavity components depends on experience and experimental exploration, which not only increases test costs, but also wastes a lot of time, the present invention proposes a multi-directional loading forming loading path for multi-cavity components method of determination

Method used

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  • Method for determining loading path for achieving multi-way loading forming of multi-cavity component
  • Method for determining loading path for achieving multi-way loading forming of multi-cavity component
  • Method for determining loading path for achieving multi-way loading forming of multi-cavity component

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Embodiment Construction

[0070] This embodiment is a method for determining a reasonable loading path for multi-directional loading forming of a multi-cavity component.

[0071] In this embodiment, the upper die 1 , the lower die 3 , the main pipe punch 6 and the branch pipe punch 7 are used to form a multi-cavity component by a loading forming method.

[0072] The upper die 1 is block-shaped, and the lower surface is a molded surface. There is a semicircular main pipe cavity 4 on this profile, which is used to shape the main pipe 9 of the multi-cavity component. There is a semicircular branch pipe cavity 2 on one side of the main pipe cavity; a circular branch pipe cavity is arranged on the upper surface of the upper die. Each of the branch pipe cavities 2 is connected to the main pipe cavity, and the centerlines of the two branch pipe cavities are perpendicular to the centerline of the main pipe cavity. The specific positions of the two branch pipe cavities are determined according to the shape of t...

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Abstract

The invention provides a method for determining a loading path for achieving multi-way loading forming of a multi-cavity component. The method comprises the steps that the range of an initial loading displacement x<0> of a main pipe male die is determined by determining the volume V of blank materials transferred to a branch pipe cavity at different loading displacements of the main pipe male die, an initial loading displacement x<0> of the main pipe male die and a loading displacement y<0> of a branch pipe male die, and the reasonable loading path for achieving multi-way loading of the multi-cavity component is determined finally. According to the method for determining the loading path for achieving multi-way loading forming of the multi-cavity component, the reasonable loading path for achieving multi-way loading forming of the multi-cavity component can be determined accurately and rapidly, the time is shortened, and the experimental cost is reduced. According to the loading path, material flowing and non-uniform deformation can be improved, the defects such as cavities and folding in the forming process can be effectively avoided, the forming load can be reduced, and the forming quality of the component can be improved.

Description

technical field [0001] The invention relates to the technical field of metal plastic forming, in particular to a method for rapidly determining a reasonable loading path for multi-directional loading forming of multi-cavity components. Background technique [0002] High-performance complex components with branches and cavities in multiple directions are widely used in aerospace, nuclear power, petrochemical and other fields. In order to meet the harsh service environment and ensure the performance and reliability of the equipment, higher requirements are put forward for the forming quality and precision of the multi-cavity components. Multi-directional active loading forming, by applying loads simultaneously or sequentially in the axial and radial (side) directions of the blank, complex parts with branches and cavities in different directions can be integrally formed at one time, which is a high-performance multi-cavity type The near-net-shape manufacturing of components pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21J13/02B21J5/02B21K1/16G06F17/50
CPCB21J5/025B21J13/02B21K1/16G06F30/20
Inventor 孙志超曹婧吴慧丽印志坤张斌
Owner NORTHWESTERN POLYTECHNICAL UNIV
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