Experimental device for laser welding that can realize magnetic field-assisted forming

A laser welding and magnetic field assisted technology, applied in laser welding equipment, welding equipment, metal processing equipment, etc., can solve the problems of difficult process adjustment, reduction of structural strength, leakage of welding seam, etc., to achieve continuous observation and improvement of welding. The effect of seam forming and preventing leakage of molten droplets
CN110576262BActive Publication Date: 2022-01-28SHANGHAI JIAOTONG UNIV
9 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Patents(China)
Current Assignee / Owner
SHANGHAI JIAOTONG UNIV
Publication Date
2022-01-28

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
  • Figure 3
    Figure 3
Patent Text Reader

Abstract

The present invention can realize the laser welding experimental device of magnetic field assisted forming, comprising: frame; sample placement table, sample placement table is arranged on the frame; test plate, test plate is arranged on the sample placement table; permanent magnet, permanent magnet is arranged On the top of the test board; iron core, the iron core is set under the test board, and the iron core is connected to the external power supply. Compared with the prior art, the present invention has the following beneficial effects: the penetration depth of aluminum alloy laser welding is larger, the sum of the gravity on the molten pool and the keyhole vapor reaction force of the molten pool will be greater than the surface tension at the bottom, and the It is easier to leak under the condition of no liner and form weld flash. The purpose of the present invention is to prevent the droplet leakage of the aluminum alloy laser welding, reduce the flow velocity on the upper surface of the molten pool and improve the welding seam formation without a liner. At the same time, taking into account the experimental function, the test plate moves relative to the rectangular frame, while the laser and magnetic field action area is static relative to the rectangular frame, realizing continuous observation of the welding process.
Need to check novelty before this filing date? Find Prior Art

Description

technical field

[0001] The invention belongs to the field of laser processing, in particular to a laser welding experimental device capable of realizing magnetic field-assisted forming. Background technique

[0002] Lightweight and high-strength aluminum alloys are widely used in all aspects of national life and national defense construction, such as cars, rail transit, ships, and aerospace, and are an important material for achieving lightweight structures. Among them, welding is an essential key technology in the manufacturing process of aluminum alloy components.

[0003] In the prior art, the Chinese patent "An Aluminum Alloy Diffusion Welding Device and Aluminum Alloy Diffusion Welding Method" (publication number: 109175660A) discloses an aluminum alloy diffusion welding device and an aluminum alloy diffusion welding method, which relate to the field of diffusion welding technology. The aluminum alloy diffusion welding device includes a fixture, the linear expansion co...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More