Lightweight wall plate laser-inducing flexible forming system and method

A flexible forming and laser-induced technology, which is applied in the field of laser-induced flexible forming systems for lightweight panels, achieves the effects of no springback effect, low residual stress, and difficult forming

Active Publication Date: 2015-11-11
BEIJING SATELLITE MFG FACTORY
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  • Abstract
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Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a low-cost and easy-to-operate lightweight panel laser-induced flexible forming system and method, which can r

Method used

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  • Lightweight wall plate laser-inducing flexible forming system and method
  • Lightweight wall plate laser-inducing flexible forming system and method
  • Lightweight wall plate laser-inducing flexible forming system and method

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Embodiment

[0048] For the 700mm*400mm lightweight wall panel, the height of the reinforcing rib is 17.5mm, and the thickness of the groove is 2.5mm. Laser-induced forming is used to form a column wall panel structure, and an air hole is formed on the worktable of the machine tool every 5cm. The laser uses a circular light spot (10mm diameter) or a rectangular light spot (1.5mm*12mm), the scanning adopts the method of first acceleration and then deceleration, the speed is 20mm / s-40mm / s-20mm / s, and the energy input power at the reinforcing rib is 3000W, the energy of the part without reinforcement ribs is 1600W; the dislocation scanning interval D is 1-3mm, and the forward setting distance F is 30mm. Among them, when the laser scanning input energy, the infrared thermometer performs temperature measurement at the same time, and the system dynamically blows and cools the panel according to the feedback of the measured temperature field, which promotes the deformation of the panel and improve...

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Abstract

The invention discloses a lightweight wall plate laser-inducing flexible forming system and method. The system comprises a photograph measurement unit, a laser device, an infrared thermometer, an intelligent cooling unit, a machine tool workbench, a machine tool scanning drive mechanism, a data analysis control unit and a machine tool control unit. In each scanning line, a laser beam irradiates a lightweight wall plate plane piece to be formed, the temperature of a lightweight wall plate is measured, and cooling control is carried out according to the measured temperature so that the lightweight wall plate plane piece to be formed can bend and deform in the direction of the laser beam. The deformation of the lightweight wall plate plane piece is measured, whether the deformation of the lightweight wall plate plane piece reaches the set value or not is judged, and if the set value is reached, the laser irradiation of the next scanning line is carried out; and if the set value is not reached, the laser irradiation of the scanning line is carried out again. Online measurement and real-time automatic control can be achieved, accurate forming of the lightweight wall plate is achieved, and the problems that the lightweight wall plate is large in forming difficulty, low in efficiency and the like are solved.

Description

technical field [0001] The invention relates to a light-weight wall plate laser-induced flexible forming system and method, belonging to the field of laser-induced flexible forming. Background technique [0002] The lightweight panel has the advantages of flexible geometric configuration, various forms of inner gluten strips, variable thickness of the skin, easy to achieve equal-strength design, and improved sealing reliability of the spacecraft. In addition, the form of lightweight siding not only greatly improves the strength and rigidity of the structure, but also has a significant weight reduction effect by using lightweight siding. The existing lightweight panel forming method is that the whole slab is machined with reinforcing ribs, and then rolled or molded into an integral stiffened panel. The forming process is cumbersome and requires repeated mold repairs. , forming, it is easy to cause local cracking, wrinkling and other defects in the forming process of the pane...

Claims

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Application Information

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IPC IPC(8): B21D11/20
Inventor 赖小明王博韩建超李彩玲
Owner BEIJING SATELLITE MFG FACTORY
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