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Magnetic control rotating arc sensing real-time weld joint tracking system and method

A technology of rotating arc and tracking system, applied in arc welding equipment, welding equipment, manufacturing tools, etc., to achieve the effect of good real-time performance, high control accuracy and good tracking effect

Inactive Publication Date: 2013-01-02
XIANGTAN UNIV
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Problems solved by technology

However, there is no report about the real-time seam tracking technology of the magnetron rotating arc sensor.

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  • Magnetic control rotating arc sensing real-time weld joint tracking system and method
  • Magnetic control rotating arc sensing real-time weld joint tracking system and method
  • Magnetic control rotating arc sensing real-time weld joint tracking system and method

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Embodiment Construction

[0017] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0018] see figure 1 , The real-time weld seam tracking system with magnetically controlled rotating arc sensor in this embodiment includes a welding system composed of a magnetically controlled rotating arc sensor, a welding torch and a welding power supply, a control system, a cross carriage, a welding trolley, and a tracking actuator composed of a driver. The welding torch is installed on the magnetically controlled rotating arc sensor, and the magnetically controlled rotating arc sensor is installed on the cross carriage. see figure 2 , the magnetron rotating arc sensor includes an excitation power supply 1, the excitation power supply 1 is connected to the excitation coil 2, and the excitation coil 2 is wound on two permeable cores 3, thereby generating a pair of magnetic poles at the lower ends of the two permeable cores 3, and the weld...

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Abstract

The invention belongs to the technical field of welding automatic control, and particularly relates to a magnetic control rotating arc sensing real-time weld joint tracking system and a magnetic control rotating arc sensing real-time weld joint tracking method. The technical point is that a magnetic control rotating arc sensor is applied to automatically tracking a weld joint; a rotating magnetic field is exerted to the welding arc, so that the weld joint can be scanned through the welding arc at a certain frequency, and then the characteristic parameter for showing the position of a weld gun relative to the position of the weld joint can be acquired; a hall sensor is used for acquiring a welding current signal, and the welding current signal is fed into a control system to be subjected to digital filter and corresponding program operation; and a tracking performing mechanism is controlled to properly adjust the weld gun, therefore, the weld gun can be aligned to the center of the weld joint so as to track the weld joint. With the adoption of the system and the method, the requirement on automatic tracking of the weld joint can be met; the weld gun is directly arranged on the magnetic control rotating arc sensor, and the problem due to front installing and rear installing can be avoided; and the system and the method have the characteristics of being good in real-time capability, low in cost, high in stability and high in precision.

Description

technical field [0001] The invention belongs to the technical field of welding automatic control, and in particular relates to a real-time welding seam tracking system and method for magnetically controlled rotating arc sensing. Background technique [0002] Electromagnetic action welding technology is a new welding technology that has been perfected in recent years. It has broad application prospects and great practical value in aviation, aerospace, metallurgy, machinery and other departments. [0003] At present, the development status of magnetron welding technology in foreign countries is mainly: [0004] Hickcn et al. performed external magnetic field welding experiments on materials such as stainless steel and alloy steel, and the weld shape was significantly improved after the external magnetic field was applied. Researchers found that this change depends on the magnetic field strength and the magnetic properties of the base metal; A.Miunger et al. conducted related ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K9/127
Inventor 洪波阳佳旺何荣拓刘湘
Owner XIANGTAN UNIV
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