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Micro-frequency and micro-vibration-amplitude welding equipment and process

A welding process and micro-vibration technology, which is applied in welding equipment, welding equipment, auxiliary welding equipment, etc., can solve the problems of welding stress concentration and low welding strength, and achieve the effects of welding stress dispersion, improving welding quality and performance

Active Publication Date: 2013-12-04
ZHEJIANG CTB WAVEFORM STEEL WEB
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention is proposed to solve the shortcomings of the existing welding equipment and technology such as low welding strength and welding stress concentration. Welding equipment and process

Method used

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  • Micro-frequency and micro-vibration-amplitude welding equipment and process

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] When the workpiece 2 itself does not have an integral structure, that is, when the workpiece vibrates and deforms itself:

[0022] A vibrating table 3 is arranged above the elastic support 4, and a workpiece 2 is placed on the vibrating table 3. When placing the workpiece 2, the welding seam of the workpiece 2 is upward so as to form a boat-shaped welding. The welding machine 1 is located above the workpiece 2, and the frequency modulation vibration machine 5 is fixed on the vibration table 3. The frequency modulation vibrating machine 5 automatically adjusts the vibration frequency according to the shape and weight of the workpiece 2, so that the vibration frequency of the workpiece 2 reaches 60 Hz, and then the frequency modulation vibration machine 5 automatically adjusts the vibration amplitude according to the shape and weight of the workpiece 2, so that the vibration amplitude of the workpiece 2 reaches 150 Hz At this time, the product of vibration frequency and ...

Embodiment 2

[0024] When the workpiece 2 itself has a monolithic structure, that is, when the workpiece vibrates without deforming itself:

[0025] The workpiece 2 is placed directly above the elastic support 4, the welding machine 1 is located above the workpiece 2, and the frequency modulation vibrating machine 5 is directly fixed on the workpiece 2. The frequency modulation vibrating machine 5 automatically adjusts the vibration frequency according to the shape and weight of the workpiece 2, so that the vibration frequency of the workpiece 2 reaches 180 Hz, and then the frequency modulation vibration machine 5 automatically adjusts the vibration amplitude according to the shape and weight of the workpiece 2, so that the vibration amplitude of the workpiece 2 reaches 20 At this time, the product of vibration frequency and vibration amplitude is 3600 Hz*micron, which meets the basic range of welding requirements. Turn on the frequency modulation vibrating machine 5, after the test vibrati...

Embodiment 3

[0027] The frequency modulation micro-vibration welding process includes the following steps:

[0028] a. The workpiece 2 is placed on the working platform;

[0029] b. The frequency modulation vibration machine 5 automatically adjusts the vibration frequency according to the shape and weight of the workpiece 2;

[0030] c. The frequency modulation vibration machine 5 automatically adjusts the vibration amplitude according to the shape and weight of the workpiece 2;

[0031] d. Welding is performed by the welding machine 1 .

[0032] In step a, the weld seam of workpiece 2 faces upward.

[0033] Between steps c and d, the vibration frequency of the workpiece 2 is manually corrected according to the stiffness of the workpiece 2, so that the vibration frequency of the workpiece 2 meets the welding requirements of the welding machine itself. Through manual fine-tuning, the vibration frequency of the workpiece is more in line with the welding requirements of the welding machine...

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Abstract

The invention relates to micro-frequency and micro-vibration-amplitude welding equipment. The micro-frequency and micro-vibration-amplitude welding equipment comprises a working platform, a welding machine and a frequency adjustment vibration machine. When welding is carried out, the frequency adjustment vibration machine ensures that the vibration frequency of a workpiece reaches 2-1200Hz, the vibration amplitude of the workpiece reaches 3000-5microns and the product of the vibration frequency and the vibration amplitude ranges from 1200Hz*micron to 12000Hz*micron. A micro-frequency and micro-vibration-amplitude welding process comprises the following steps that a. the workpiece is placed on the working platform; b. the vibration frequency is automatically adjusted by the frequency adjustment vibration machine according to the shape and the weight of the workpiece; c. the vibration amplitude is automatically adjusted by the frequency adjustment vibration machine according to the shape and the weight of the workpiece; d. welding is carried out through the welding machine. The micro-frequency and micro-vibration-amplitude welding equipment and process achieve a vibration function, solve the problems that welding stress is concentrated, and improve welding strength, the application range of the welding process is greatly expanded, and high-strength steel welding quality is particularly improved.

Description

technical field [0001] The invention relates to welding equipment and technology, especially frequency modulation micro-vibration welding equipment and technology. Background technique [0002] When ordinary steel parts are welded, due to impurities in the weld bead and welding slag generated during welding, it is easy to cause defects such as reduced weld strength, uneven and non-dense weld fusion, and cause welding failure. In addition, ordinary welding equipment and technology, especially when welding high-strength steel, can easily cause welding stress concentration, causing deformation, cracks, hydrogen embrittlement, and even fracture of the welded workpiece. Therefore, when using welded steel structures, there are potential safety hazards, which are likely to cause safety accidents. The above-mentioned problems are worldwide problems in the welding industry, and also limit the scope of application of the welding process, especially for high-strength steel welding. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K31/02B23K37/00
Inventor 孙天明周永利
Owner ZHEJIANG CTB WAVEFORM STEEL WEB