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Incomplete penetration defect elimination method based on UG programming trajectory control

A trajectory control, incomplete penetration technology, applied in the field of friction stir welding, can solve the problems of thinning of welds and low success rate of repair welding, so as to avoid loss of mechanical properties, avoid incomplete penetration defects, and eliminate incomplete penetration defects. Effect

Inactive Publication Date: 2018-12-21
SHANGHAI AEROSPACE EQUIP MFG GENERAL FACTORY
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0005] The problem solved by the present invention is the problem of thinning of the weld seam and low success rate of repair welding when the existing friction stir welding repairs the incomplete penetration defect; Welding penetration defect elimination method

Method used

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  • Incomplete penetration defect elimination method based on UG programming trajectory control

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Embodiment Construction

[0015] The present invention will be further elaborated below in conjunction with embodiment.

[0016] A method for eliminating incomplete penetration defects based on UG programming trajectory control provided by a preferred embodiment of the present invention includes the following steps:

[0017] Step 1: UG modeling and welding track setting. The product modeling should be completed in the UG software, and the welding trajectory of the model, that is, the tool path trajectory should be set. The tool path trajectory should be set according to the trajectory of the stirring needle tip.

[0018] Step 2: Test piece welding verification. The friction stir welding test is carried out with the test piece product that is exactly the same as the product size and other technical indicators to reflect the real product welding process, and the assembly fastening form and welding sequence are recorded;

[0019] Step 3: X-ray inspection and cutting test of the test piece. Use X-rays t...

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Abstract

The invention discloses an incomplete penetration defect elimination method based on a UG programming trajectory control, and the steps of which comprise: step 1, modeling a UG and setting a UG welding trajectory; step 2, performing a test piece welding verification; step 3, performing an X-ray inspection and a cutting test of the test piece; step 4, correcting the UG welding trajectory; and step5, product friction stir welding of full penetration. According to the incomplete penetration defect elimination method based on the UG programming trajectory control, the trajectory of the stirring tip during the friction stir welding process is corrected and controlled by using a trajectory programming control method in a UG software, which can avoid the occurrence of incomplete penetration defect in the root of the weld seam and achieve full penetration of the friction stir welding.

Description

technical field [0001] The invention relates to the field of friction stir welding, in particular to a method for eliminating incomplete penetration defects based on UG programming trajectory control. Background technique [0002] After more than 20 years of development, the friction stir welding technology has become increasingly mature, and the technology has included many technologies such as retraction friction stir welding, static shoulder friction stir welding, double rotation friction stir welding, and double shoulder friction stir welding. Welding materials are also expanded from non-ferrous metals such as aluminum alloys, copper alloys, and titanium alloys to ferrous metals such as steel and metal matrix composites. However, the development of the above-mentioned technologies and the expansion of the scope of applicable materials have not solved various defects in the friction stir welding process, such as tunnel defects, incomplete penetration defects and weak conn...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/19B23K20/12
CPCB23K20/12G05B19/19G05B2219/31314
Inventor 宋学成曹晓徐耀钟尹玉环崔凡封小松徐奎汤化伟赵慧慧张春峰郭立杰
Owner SHANGHAI AEROSPACE EQUIP MFG GENERAL FACTORY
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