Spinning forming method for multi-angle tapered barrel body

A conical cylinder and spinning forming technology, which is applied in the field of multi-angle conical cylinder spinning and forming, can solve the problem of large forming errors at the butt joints of longitudinal welds and form straight edges and inner surface welds at butt girth welds Easy to sag and other problems, to achieve the effect of stabilizing material deformation, eliminating straight edge defects, and improving processing efficiency

Active Publication Date: 2017-06-30
湖北三江航天江北机械工程有限公司
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Problems solved by technology

[0006] The purpose of the present invention is to address the deficiencies of the traditional processing methods, and provide a multi-angle conical cylinder rotary that solves the problems of large forming errors at the butt joints of the longitudinal welds, forming straight edges, and easy depression of the inner surface welds at the butt girth welds. Compression method

Method used

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  • Spinning forming method for multi-angle tapered barrel body
  • Spinning forming method for multi-angle tapered barrel body
  • Spinning forming method for multi-angle tapered barrel body

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Embodiment Construction

[0043] Attached below Figure 1 to Figure 14 The present invention will be further described in detail with specific examples to facilitate a clearer understanding of the present invention, but they do not limit the present invention.

[0044] For a certain warhead, the raw material of the charge body shell is 5A06-O, the total length is 1355±1mm, the opening diameter of the large end is φ580±0.3mm, and the diameter of the small end is φ250±0.2mm. Wherein the multi-angle conical barrel 1 is the skin (see figure 1 ) The inner diameter of the small end is The inner diameter of the big end is The overall length is 1939mm (including machining and welding allowance). The cone angle is 14°, the axial length of the cylinder section is 413.62mm, and the inner diameter of the transition between the two cone angles is The cone angle is 4°10′, the axial length of the cylinder section is 525.38mm, and the forming process of the wall thickness is 4.0±0.2mm is as follows:

[0045] 1...

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Abstract

The invention discloses a spinning forming method for a multi-angle tapered barrel body. The spinning forming method is characterized in that the multi-angle tapered barrel body is subjected to reversely compounded spinning forming, and two sections or multiple sections of the multi-angle tapered barrel body are integrally formed; compared with the conventional technological methods of part welding, machining and assembly welding forming, the spinning forming method has the advantages that processing efficiency is greatly improved, processing cost is greatly reduced, roundness requirements are met, and processing efficiency is effectively improved; and straight-side defects formed at longitudinal welding seam butt-joint parts of part welding forming are eliminated, and the problem that inner-profile circumferential welding seams at circumferential butt-joint welding seams are liable to sink is also eliminated, so that the integral processing precision, the appearance quality and the inner quality of the multi-angle tapered barrel body are effectively improved.

Description

technical field [0001] The invention relates to the technical field of metal material spinning forming processing, in particular to a spinning forming method of a multi-angle conical cylinder. Background technique [0002] The charge body shell is the structural part of the main charge of the warhead, which is assembled and welded by the front frame assembly, skin, and rear frame. Among them, the skin is an important part of the charge body shell. It is generally composed of two or more sections of cones with different angles, that is, a multi-angle cone barrel. Its dimensional accuracy, roundness and other indicators directly determine the charge body shell. The charge amount of the body and the mass of the warhead. [0003] The traditional skin forming process method is: firstly, the steel plate is used to blank the material into a fan-shaped material, then the longitudinal welding seam welding groove is bored, and the three-axis roller equipment is used to roll the shape...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21D22/16B23P15/22
CPCB21D22/16B23P15/22
Inventor 陈妍初敬生陈振韩庆波
Owner 湖北三江航天江北机械工程有限公司
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