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Laser shock pretreatment assisted laser dynamic flexible microforming method and device

An auxiliary laser and laser shock technology, applied in laser welding equipment, welding equipment, metal processing equipment, etc., can solve the problems of scale effect, achieve large flexibility, improve the quality of workpiece micro-forming, and avoid secondary clamping. Effect

Active Publication Date: 2021-06-22
JIANGSU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are still some defects in the micro-forming of workpieces in this method, such as the influence of scale effect on micro-plastic forming still exists

Method used

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  • Laser shock pretreatment assisted laser dynamic flexible microforming method and device
  • Laser shock pretreatment assisted laser dynamic flexible microforming method and device
  • Laser shock pretreatment assisted laser dynamic flexible microforming method and device

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Embodiment Construction

[0041] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0042] In describing the present invention, it is to be understood that the terms "central", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "axial", The orientation or positional relationship indicated by "radial", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description , rather than indicating or implying that the device or elem...

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PUM

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Abstract

The invention discloses a laser shock pretreatment-assisted laser dynamic flexible micro-forming method and device, and relates to the field of laser processing and forming. The device includes a laser loading system, a plastic forming system, an automatic mold changing system and a fixture system; Supplemented by laser shock pretreatment to achieve grain refinement and then laser dynamic flexible micro-forming, through the movable mold core and core support body, grain refinement pretreatment and forming processing are realized. The invention uses a new type of micro-mold to make Before laser dynamic flexible micro-forming, laser shock grain refinement pretreatment is performed to improve its forming ability, thereby improving its micro-forming accuracy, surface quality and forming limit, and avoiding failure behaviors such as fracture caused by size effects. . At the same time, the automatic mold change system of the new micro-mould can avoid secondary clamping and effectively save production costs.

Description

technical field [0001] The invention belongs to micro-electromechanical system (MEMS) processing technology and laser micro-processing technology, in particular to a method and device for laser dynamic flexible micro-forming assisted by laser shock refinement crystal grain pretreatment. Background technique [0002] With the rapid development of modern industrial technology, the rapid development of science and technology, the innovation of advanced manufacturing concepts, and the continuous improvement of market requirements for technological products, in fields such as aerospace, precision instruments, and biomedicine, the trend of product miniaturization is increasing. Accelerating, the demand for micro and small parts is also increasing, especially the rapid development of the field of micro-electromechanical systems (MEMS). Miniaturization is an important direction of the development of contemporary science and technology, and microforming technology has become a key re...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23K26/356B23K26/06B23K26/60B23K26/70
CPCB23K26/0643B23K26/0648B23K26/356B23K26/60B23K26/702
Inventor 沈宗宝张金殿张蕾李品王亚元王霄刘会霞
Owner JIANGSU UNIV
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