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Wuxi Hengda Liquid-Purification Chemical Plant

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Spatter Agent Effectively Reducing The Solder Attached To The Surface Of The Product

1 Overview

Welding splashing, also known as welding spatter scavenger, for arc welding process can effectively reduce the welding surface attached to the surface of the splash, in order to reduce these splash on the post-process and appearance of the adverse effects, which can be large Increase the efficiency of production, reduce the labor intensity of workers. Therefore, welding Spatter Agent at home and abroad, many large steel structure manufacturing enterprises as a welding process materials for welding production process. However, a qualified welding Spatter Agent in addition to the anti-splash function, but also must ensure that the welding quality can not have adverse effects, such as the weld hole, not welding and other welding defects increased or significantly reduced mechanical properties.

At present, although in the domestic and foreign markets there have been a wide range of welding anti-splash brand and products, but not specifically for such products testing, testing standards. Therefore, the manufacturing enterprises and testing agencies on the welding anti-splash agent testing items, detection methods are different. In order to detect the anti-splash effect of two different types of welding Spatter Agents and their influence on the welding quality of low-alloy high strength steel welds, the paper has designed the concrete according to the international standard (ISO15614-1) Of the test program, and achieved the desired detection results.

2. Experimental design

(1) In order to fully detect the anti-splash effect of two welding anti-splash agents (BD type and XQ type) and its effect on the quality of low alloy high strength steel melt gas welding seam, minimize the external factors on the test results The impact of the resulting. The test used a "blank control" of the conventional test method, that is, under the same welding conditions,Spatter Agent a pair of non-spray splashing and any two were sprayed with two different models of anti-splash agent test panels, and then by comparing the two Anti - splash effect of anti - splashing agent and its influence on weld quality.

(2) In order to be able to fully detect the impact of two kinds of welding anti-splash agent on the forming quality and mechanical properties of the weld, the non-destructive testing and destructive testing of all the test pieces are carried out according to ISO15614-1 standard,Spatter Agent Test the form of the test plate. The surface crack detection is carried out by detecting the surface of the test strip, and the detection of the defects in the weld zone of the test plate is carried out by ultrasonic inspection. For the overall fusion effect of the weld and the base metal, Phase test; for the overall mechanical properties of the weld test, through the most representative of the tensile and bending test items to complete.

(3) the material of the test board used in the welding structure of the more commonly used Q345B, test plate thickness of 12mm, unilateral groove angle of 30 °, the angle of 60 °, the root does not leave the blunt edge, between the test board reserved Clearance 2 ~ 3mm. In the fixed spot welding, the weld groove welding surface around 10mm within the range of oil, rust, etc. to remove clean, until the exposed pure metal, the specific size of the test board and group requirements

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