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Fusion depth and fusion width detection method for thin-wall material welding face

A detection method and welding surface technology, which is applied in welding equipment, auxiliary welding equipment, welding/cutting auxiliary equipment, etc., can solve the problems of not being able to truly and accurately reflect the welding quality of the weld seam of materials, and achieve the effect of simple and efficient operation

Active Publication Date: 2018-12-18
陕西庆华汽车安全系统有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the visual inspection is limited to the manual identification of the weld surface, the tensile strength test cannot truly and accurately reflect the welding quality of the material weld due to the wear and tear of the tooling, the thin-walled material and the position of the tooling

Method used

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  • Fusion depth and fusion width detection method for thin-wall material welding face

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0053] This embodiment provides a method for detecting the penetration depth and fusion width of the welded surface of a thin-walled material. Put the igniter into the airtight detonator, detonate it under the condition of 1.2A constant current direct current, select the remnant shell of the igniter, and implement according to the following steps:

[0054] Step 1. Cut the residual casing to be tested, clean the cutting surface after cutting, and obtain the residual casing

[0055] Step 1.1. Put the remaining shells to be tested into the cutting machine mold, 5 pieces at a time, switch the cutting machine operation and water adding mode to automatic, and run the cutting machine;

[0056] Step 1.2, after cutting by the cutting machine, the primary shell fragments are obtained, and the primary shell fragments are taken out with tweezers;

[0057] Step 1.3: Clean the cut surface of the primary shell fragment with alcohol until the surface is clean, and then blow it dry to obtain ...

Embodiment 2

[0075] This embodiment provides a method for detecting the penetration depth and fusion width of the welding surface of a thin-walled material. Put the igniter into the airtight detonator, detonate it under the condition of 1.19A constant current direct current, select the shell of the igniter, and implement it according to the following steps:

[0076] Step 1. Cut the residual casing to be tested, clean the cutting surface after cutting, and obtain the residual casing

[0077] Step 1.1. Put the residual casing to be tested into the cutting machine mold, one piece at a time, switch the cutting machine operation and water adding mode to automatic, and run the cutting machine;

[0078] Step 1.2, after cutting by the cutting machine, the primary shell fragments are obtained, and the primary shell fragments are taken out with tweezers;

[0079] Step 1.3: Clean the cut surface of the primary shell fragment with alcohol until the surface is clean, and then blow it dry to obtain the...

Embodiment 3

[0096] This embodiment provides a method for detecting the penetration depth and fusion width of the welding surface of a thin-walled material. Put the igniter into the airtight detonator, detonate it under the condition of 1.21A constant current direct current, select the shell of the igniter, and follow the steps below:

[0097] Step 1. Cut the residual casing to be tested, clean the cutting surface after cutting, and obtain the residual casing

[0098] Step 1.1. Put the remaining shells to be tested into the cutting machine mold, 4 pieces at a time, switch the cutting machine operation and water adding mode to automatic, and run the cutting machine;

[0099] Step 1.2, after cutting by the cutting machine, the primary shell fragments are obtained, and the primary shell fragments are taken out with tweezers;

[0100] Step 1.3: Clean the cut surface of the primary shell fragment with alcohol until the surface is clean, and then blow it dry to obtain the shell fragment.

[01...

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Abstract

The invention discloses a fusion depth and fusion width detection method for a thin-wall material welding face. The fusion depth and fusion width detection method is conducted specifically according to the following steps that 1, to-be-detected thin-wall material is cut, the cut face is cleaned after cutting, and thin-wall material fragments are obtained; 2, the thin-wall material fragments are inlaid, and an inlaid sample piece is obtained; 3, the inlaid sample piece is polished and ground, and an accurately ground sample piece is obtained; 4, etchant solution is prepared, metallographic etching is conducted on the accurately ground sample piece, and an etched sample piece is obtained; and 5, the etched sample piece is detected by a fusion depth detector, and fusion width and fusion depthdata of the etched sample piece are obtained. The fusion depth and fusion width detection method is simple and efficient to operate, accurate, reliable and suitable for detection of automatic mass production. Weld joint quality can be reflected visually, accurately and reliably, and through weld joint fusion depth detection and quantitative analysis, welding energy, focal length, rotation speed,bursting tests and other abnormal causes appearing in the welding process can be analyzed conveniently, quantitatively and qualitatively.

Description

technical field [0001] The invention belongs to the technical field of welding material detection, and relates to a detection method for penetration depth and fusion width of a thin-walled material welding surface. Background technique [0002] With the development of industrial technology, efficient, agile, and environmentally friendly processing technologies will be favored. With its high-energy beam focusing method, laser welding can realize deep penetration welding, fast welding and "seamless" welding of various materials during the welding process. The laser welding equipment is flexible, and the real-time online detection technology is mature. achieve a high degree of automation. Because of the above advantages, laser welding is increasingly widely used in industries such as automobiles, steel, ships, aviation, weapons, and light industry. The quality control and detection methods for welding, especially thin-walled materials, are becoming more and more important. At ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K37/00G01B21/02G01B21/18
CPCB23K37/00G01B21/02G01B21/18
Inventor 宫万斌熊涛曹吉伟王立石张康熙党迎鸽徐磊赵文虎孙勇王世林刘希
Owner 陕西庆华汽车安全系统有限公司
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