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Method and apparatus of forming cut deal laser prestress composite shot blasting

A technology of shot peening and laser peening, which is applied in laser welding equipment, digital control, manufacturing tools, etc., can solve problems such as failure to retrieve, and achieve the effects of improved corrosion resistance, good surface quality, and extended service life

Inactive Publication Date: 2007-08-08
JIANGSU UNIV
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Problems solved by technology

Failed to retrieve research literature and related patents on laser prestressed composite shot-peening forming method for medium-thick sheet metal

Method used

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  • Method and apparatus of forming cut deal laser prestress composite shot blasting
  • Method and apparatus of forming cut deal laser prestress composite shot blasting

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Embodiment

[0037] Embodiment: SUS304 stainless steel plate is carried out laser prestressed shot-peening compound forming saddle-shaped curved surface

[0038] As shown in Figure 2, the device includes a laser thermal stress processing system, a laser peening system, a workpiece fixture system, an optical scanning system, a control system and a measurement feedback system. The laser thermal stress processing system includes a carbon dioxide laser (9), a light pipe (12), two total reflection mirrors (7), (13), and a spot adjustment device (6); the laser peening system includes a neodymium glass laser (18) , light pipe (17), two total reflection mirrors (16), (21), light spot adjustment device (22); the workpiece fixture system includes workpiece (4), flexible film (5), manipulator device (3); The scanning system is an ATOS-II optical scanning measurement system (11); the control system includes a computer (1), a central control processor (2), a carbon dioxide laser controller (8), and a n...

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Abstract

A cut deal laser inherent stress composite peen forming features in the clipper using robot, using carbon dioxide to realize the basic formation, profile measuring feedback system controlling the deformation quantity, left stress meter measuring the surface stress of the board, optical scanning the pre formation, realizing board through model analog software, getting optimized process parameter instructing laser consecutive peen formation, using neodymium glass laser providing short pulse strong laser light, laser impact wave as the force source of precise forming, using the profile feedback device and on line measuring board surface stress left stress to control the deformation quantity to realize precision forming with complex shapes.

Description

technical field [0001] The invention relates to the technical field of mechanical manufacturing and laser application, in particular to a method of forming the basic shape of the sheet by laser thermal stress method, and then performing laser shot peening to realize the precise forming of the sheet, and at the same time improve the stress state of the sheet surface and improve the quality of the sheet. Composite forming method and device for material service life. Background technique [0002] Sheet metal compound forming refers to the advanced method of compounding different technologies and different processes, and jointly exerting and expanding their respective advantages, so as to form a variety of feasible new technologies and new processes. At this stage, composite forming has become an important trend in sheet metal forming. [0003] Sheet metal laser forming technology is an advanced and green flexible precision processing technology that has emerged in recent years...

Claims

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Application Information

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IPC IPC(8): B23K26/00B23K26/42B23K26/04B23K26/06B23K26/18C21D10/00G05B19/18G05B19/414B21D11/20B23K26/064B23K26/70
Inventor 周建忠黄舒杜建钧
Owner JIANGSU UNIV
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