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Cumulative cutting method for wall-thickness variable metal component with bent cross section

A technology of metal components and cutting methods, applied in blasting and other directions, to achieve continuous and reliable explosion transmission and reduce the amount of explosives

Inactive Publication Date: 2011-05-04
ENG COLLEGE OF ENG CORPS PLA UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The opening of this channel involves the problem of fast and reliable cutting of special metal components with curved cross-section and variable wall thickness. It is difficult to solve the problem of fast and reliable cutting of special metal components with curved cross-section and variable wall thickness with existing technical means.

Method used

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  • Cumulative cutting method for wall-thickness variable metal component with bent cross section
  • Cumulative cutting method for wall-thickness variable metal component with bent cross section
  • Cumulative cutting method for wall-thickness variable metal component with bent cross section

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Embodiment Construction

[0018] Below in conjunction with accompanying drawing and specific embodiment, further illustrate the present invention, should be understood that these embodiments are only for illustrating the present invention and are not intended to limit the scope of the present invention, after having read the present invention, those skilled in the art will understand various aspects of the present invention Modifications in equivalent forms all fall within the scope defined by the appended claims of this application.

[0019] An energy-gathering cutting method for bending a variable-wall-thickness metal member in cross-section, the method comprising the following steps:

[0020] (1) Select a flexible energy-gathering cutter that integrates the medicine-type cover and the powder-charging shell. Such as figure 1 As shown, the flexible energy-gathering cutter 10 that integrates the drug-shaped cover 11 and the charge shell 12 is adopted. The main component of the explosive 13 is Hessogin...

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Abstract

The invention provides a cumulative cutting method for a wall-thickness variable metal component with a bent cross section. In the method, cutters with different explosive charge quantities are adopted according to different wall thicknesses, and the method is beneficial to the reduction of the explosive dosage relative to other explosive charging modes. A protective device made of a composite material not only has the protective effect on explosion dangers, but also guarantees the proper matching of relative positions of an adopted flexible cumulative cutter and the surface of a bent metal component; and an accurate explosion propagation technology that a jet flow generated by one flexible cumulative cutter is used for detonating another flexible cumulative cutter adjacent to the flexible cumulative cutter is adopted to ensure that various types of cumulative cutters can be detonated continuously and reliably so as to reliably and safely cut a wall-thickness viable metal component with a bent cross section.

Description

technical field [0001] The invention relates to an energy-gathering cutting method, in particular to an energy-gathering cutting method for bending a metal member with variable wall thickness in cross section. Background technique [0002] The present invention directly serves the new generation of large aircraft (including commercial and military large aircraft) developed in my country. When the occupants on board need to escape in the air or on the water surface, barrier-free escape passages must be opened in appropriate parts of the aircraft to ensure that the occupants on board evacuate the aircraft in time. The opening of this channel involves the problem of fast and reliable cutting of special metal components with curved cross-section and variable wall thickness. It is difficult to solve the problem of fast and reliable cutting of special metal components with curved cross-section and variable wall thickness with existing technical means. [0003] Therefore, a new te...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F42D1/00F42D3/00
Inventor 王耀华陆明简建忠顾月兵刘秀明龙源刘影李春义陈志富金广谦熊伟
Owner ENG COLLEGE OF ENG CORPS PLA UNIV OF SCI & TECH
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