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Iron plate welding process

A welding process and iron plate technology, applied in welding equipment, welding accessories, manufacturing tools, etc., can solve problems such as accidents and low quality of welding workpieces, and achieve the effects of ensuring welding quality, simplifying welding steps, and simple welding methods.

Inactive Publication Date: 2015-08-19
LIUZHOU JINMAO MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, due to the diversity of welding methods and welding materials, there are various irregularities in the welding process, which leads to low quality of welded workpieces and sometimes accidents

Method used

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Examples

Experimental program
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Embodiment Construction

[0018] The embodiment provided by the present invention is described in further detail:

[0019] A kind of iron plate welding process, the thickness of iron plate is 3mm, comprises the following steps:

[0020] (1) Preparation before welding

[0021] First, check whether the surface of the workpiece is wet. If the surface of the workpiece is wet, wait for it to dry before welding;

[0022] Second, use acetone and a rotary file to remove oil stains, iron filings, and oxide films on the end face and edge of the ferroalloy plate within 18mm of the welded part to reveal the metallic luster;

[0023] Third, the selection of welding methods and welding materials, Ar gas shielded welding is used for welding, and the welding wire of H08Mn2SiA steel grade; the purity of Ar is 99.999%;

[0024] Fourth, paste a protective film on the plate, there must be no air bubbles in the protective film, and no protective film is attached 50 to 100mm inward from the weld;

[0025] (2) Temporary s...

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Abstract

The invention discloses an iron plate welding process. The thickness of an iron plate is 3 mm. The iron plate welding process comprises the following steps of 1 preparation before welding, 2 tack weld, 3 welding and 4 processing after welding. The welding steps are simplified, a welding mode is simple, material selection is accurate and specified, and the welding quality of steel pipes can be ensured.

Description

technical field [0001] The invention belongs to the field of welding technology, in particular to an iron plate welding process. Background technique [0002] There are different welding processes in different welding methods. The welding process is mainly determined according to the material, grade, chemical composition of the workpiece to be welded, the structure type of the weldment, and the welding performance requirements. First of all, it is necessary to determine the welding method, such as manual arc welding, submerged arc welding, argon tungsten arc welding, gas metal arc welding, etc. There are many types of welding methods, which can only be selected according to specific conditions. After the welding method is determined, the welding process parameters are formulated. The types of welding process parameters are different. For example, manual arc welding mainly includes: electrode type (or grade), diameter, current, voltage, type of welding power supply, polarity...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K9/235B23K9/16B23K9/32
CPCB23K9/235B23K9/164B23K9/32
Inventor 何拥军何嘉圣何嘉贤赖卫华
Owner LIUZHOU JINMAO MACHINERY
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