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Control method, system and device for electric arc additive manufacturing

A technology of additive manufacturing and control methods, applied in the field of additive manufacturing, can solve problems such as unsatisfactory, and achieve the effect of improving quality and reducing costs

Inactive Publication Date: 2019-05-03
深圳市智能机器人研究院
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing robotic arc additive manufacturing technology mainly controls the trajectory of the robot through teaching, so only the parts that can be welded are relatively simple, and cannot meet the requirements of people to weld complex parts

Method used

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  • Control method, system and device for electric arc additive manufacturing
  • Control method, system and device for electric arc additive manufacturing
  • Control method, system and device for electric arc additive manufacturing

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050] Such as figure 1 As shown, this embodiment provides a control method for arc additive manufacturing, including the following steps:

[0051] S1. After obtaining the three-dimensional physical model of the parts to be welded, slice the three-dimensional physical model from the bottom to the top, and obtain multiple plane models;

[0052] S2. Obtain contour information according to each planar model, and obtain a motion curve according to the contour information;

[0053] S3. Combining the motion curve and the preset method to obtain the soldering point of the welding torch on the motion curve, and obtain the motion path of the welding torch according to the soldering point;

[0054] S4. Obtain the posture information of the welding torch at each welding spot in combination with the motion path, the posture parameters of the welding spot and the welding torch;

[0055] S5. Control the welding torch to perform welding by sequentially combining the movement paths, welding...

Embodiment 2

[0078] Such as figure 2 As shown, this embodiment provides a control system for arc additive manufacturing, including:

[0079] The slicing module is used to slice the bottom to top of the three-dimensional physical model after obtaining the three-dimensional physical model of the parts to be welded, and obtain multiple plane models;

[0080] Obtaining a curve module, configured to obtain contour information according to each plane model, and obtain a motion curve according to the contour information;

[0081] The acquisition path module is used to obtain the welding point of the welding torch on the movement curve in combination with the movement curve and the preset method, and obtain the movement path of the welding torch according to the welding point;

[0082] The attitude acquisition module is used to obtain the attitude information of the welding torch at each welding spot in combination with the attitude parameters of the motion path, the welding spot and the welding...

Embodiment 3

[0091] This embodiment provides a control device for arc additive manufacturing, including:

[0092] at least one processor;

[0093] at least one memory for storing at least one program;

[0094] When the at least one program is executed by the at least one processor, the at least one processor implements the arc additive manufacturing control method described in the first embodiment.

[0095] A control device for arc additive manufacturing in this embodiment can execute a control method for arc additive manufacturing provided in Embodiment 1 of the method of the present invention, can execute any combination of implementation steps in the method embodiments, and has corresponding functions and beneficial effects.

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Abstract

The invention discloses a control method, a system and a device for electric arc additive manufacturing. The method comprises the following steps that after a three-dimensional physical model of partsneeding to be welded is obtained, slicing processing is carried out on the three-dimensional physical model from the bottom to the top, and a plurality of plane models are obtained; the contour information is obtained according to the plane models, and a motion curve is obtained according to the contour information; welding points of a welding gun on the motion curve are obtained in combination with a motion curve and a preset mode, and a movement path of the welding gun is acquired according to the welding points; the movement path, and the posture parameters of the welding points and the welding gun are combined to acquire the posture information of the welding gun at each welding point; and the welding gun is controlled to be welded through combining the movement path, the welding points and the posture information of all the plane models in sequence, and corresponding welding layers are obtained from the bottom to the top until the welding is finished. According to the control method, the system and the device, the welding gun can automatically weld some complex curved parts, so that the welding quality is improved, and the method can be widely applied to the field of additivemanufacturing.

Description

technical field [0001] The invention relates to the field of additive manufacturing, in particular to a control method, system and device for arc additive manufacturing. Background technique [0002] Additive manufacturing technology is a technology based on CAD / CAM design and adopts a layer-by-layer accumulation method to manufacture solid parts. It has the characteristics of large forming size, low manufacturing cost, high material utilization rate, and short product development cycle. This technology is becoming more and more Most of them are used in the processing of high-end products, especially large and complex structural parts. [0003] Robotic arc additive manufacturing technology combines advanced motion control, I / O communication and trajectory planning of industrial robots with material science technology, advanced manufacturing technology and mechanical engineering in additive manufacturing, which improves the flexibility of additive manufacturing Accuracy and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K9/04B23K9/12B23K9/32
Inventor 都晓锋张启毅章凯
Owner 深圳市智能机器人研究院
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