Application of 3D Laser Projection Positioning Technology in Aircraft Assembly

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In recent years, the manufacturing industry has developed in the direction of informatization, and the manufacturing technology has been steadily improved in the direction of automatic intelligence and high added value.

The three-dimensional laser projection positioning technology is that the laser emits a visible laser beam, forms a light spot on the surface of the component to be projected, the double galvanometer reciprocates to deflect to a certain frequency, and the light spot moves on the projection surface to form the projected image to be positioned. Directs the operator to assemble components to the correct location on the projected surface. When the laser projection system moves, the projection image can be projected and positioned to the exact position of the projected parts, ensuring the accuracy of the guidance system assembly. The three-dimensional laser projection positioning technology is a real-time combined system technology, which realizes the real-time compensation of the position of the mobile laser projection system, and the projection file needs to be produced before the system works. The laser receiver receives the laser signal to calculate the current position coordinates, and the control system can process the pose of the projection system.

The 3D laser projection positioning technology forms a complete picture by projecting the laser beam onto the curved surface of the working area, and observing the laser on the projected curved surface. Experiments such as fastener projection hole-making are carried out on typical aircraft panel specimens. Design and manufacture of special test pieces, mainly including skins, truss joints, etc. Design and manufacture the test piece assembly frame. Design and manufacture special test pieces, the main parts are truss joints, wall plate joints, etc. The test pieces include fasteners connecting the parts.

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