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Method for automatic argon arc welding of titanium-molybdenum-nickel alloy thick filament with diameter of 2.0 mm

A technology of argon arc welding, titanium molybdenum nickel, applied in welding equipment, arc welding equipment, metal processing, etc., can solve the problems of inert gas poisoning of operators, low efficiency of welding process, lack of fusion, etc., and achieve stable and reliable welding quality , Reduce welding line energy, reduce the effect of welding joints

Active Publication Date: 2014-11-19
LUXI IND EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the diameter of welding wire commonly used in automatic argon arc welding of non-ferrous metals in domestic and foreign pressure vessel manufacturing enterprises is use The welding wire welding filling δ12mm thick TA10 workpiece needs to be filled with 12 welding seams. During the welding process, due to the large number of welding layers, defects such as pores and lack of fusion often occur, and it is easy for operators to Inert gas poisoning occurs, in addition, this welding process has low work efficiency and a high probability of defects

Method used

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  • Method for automatic argon arc welding of titanium-molybdenum-nickel alloy thick filament with diameter of 2.0 mm
  • Method for automatic argon arc welding of titanium-molybdenum-nickel alloy thick filament with diameter of 2.0 mm
  • Method for automatic argon arc welding of titanium-molybdenum-nickel alloy thick filament with diameter of 2.0 mm

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Comparison scheme
Effect test

Embodiment 1

[0022] Embodiment 1: a kind of titanium-molybdenum-nickel alloy Thick wire automatic argon arc welding method, a titanium-molybdenum-nickel alloy Thick wire automatic argon arc welding method, first pre-treat the parts to be welded to form a V-shaped welding groove, the groove angle is 62°, and the blunt edge is 1.5mm; then the welding wire, the groove and the inner surfaces on both sides Carry out cleaning to remove rust, grease and dust; then carry out root welding layer welding and cover layer welding in sequence, wherein the cover layer includes I-V layers.

[0023] In the port pretreatment of the welding plate, manual argon arc is used to seal the gap of the titanium-molybdenum-nickel alloy.

[0024] The welding of the root welding layer adopts a manual argon arc welding process. In order to ensure the quality of welding, the welding process parameters are controlled as follows: the welding material specification is The welding current is 200A, the welding voltage is...

Embodiment 2

[0037] A titanium-molybdenum-nickel alloy Thick wire automatic argon arc welding method, firstly pre-treat the parts to be welded to form a V-shaped welding groove, the groove angle is 60°, and the blunt edge is 1mm; then the welding wire, the groove and the inner surfaces on both sides are processed Clean up to remove rust, grease and dust; then perform root welding and cover layer welding in sequence, wherein the cover layer includes I-V layers.

[0038] In the port pretreatment of the welding plate, manual argon arc is used to seal the gap of the titanium-molybdenum-nickel alloy.

[0039] The welding of the root welding layer adopts a manual argon arc welding process. In order to ensure the quality of welding, the welding process parameters are controlled as follows: the welding material specification is The welding current is 160A, the welding voltage is 15V, and the welding speed is 100mm / min.

[0040] The welding of the cover surface layer I adopts an automatic argon...

Embodiment 3

[0047] A titanium-molybdenum-nickel alloy Thick wire automatic argon arc welding method, firstly pre-treat the parts to be welded to form a V-shaped welding groove, the groove angle is 65°, and the blunt edge is 2mm; then the welding wire, the groove and the inner surfaces on both sides are processed. Clean up to remove rust, grease and dust; then perform root welding and cover layer welding in sequence, wherein the cover layer includes I-V layers.

[0048] In the port pretreatment of the welding plate, manual argon arc is used to seal the gap of the titanium-molybdenum-nickel alloy.

[0049] The welding of the root welding layer adopts a manual argon arc welding process. In order to ensure the quality of welding, the welding process parameters are controlled as follows: the welding material specification is The welding current is 220A, the welding voltage is 16V, and the welding speed is 120mm / min.

[0050] The welding of the cover surface layer I adopts an automatic argo...

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Abstract

The invention discloses a method for automatic argon arc welding of a titanium-molybdenum-nickel alloy thick filament with a diameter of 2.0 mm. The method comprises the steps of preprocessing the portion, to be welded, of a welded plate to form a V-shaped welding groove, wherein the angle of the groove is 60+ / -5 degrees, and the truncated edge is 1-2 mm long; cleaning a welding wire, the groove and inner surfaces on two sides, and removing rust, grease and dust; conducting welding on a root welding layer and cover surface layers in sequence, wherein the cover surface layers include I to V layers. By means of the automatic argon arc welding of the TA10 thick filament with the diameter of 2.0 mm, the number of welding filling times is reduced, welding quality of a TA10 device is improved, working efficiency is improved, and the labor intensity of welding operators is relieved.

Description

technical field [0001] The invention relates to the technical field of metal welding, in particular to a titanium-molybdenum-nickel alloy Thick wire automatic argon arc welding method. Background technique [0002] At present, the diameter of welding wire commonly used in automatic argon arc welding of non-ferrous metals in domestic and foreign pressure vessel manufacturing enterprises is use The welding wire welding filling δ12mm thick TA10 workpiece needs to be filled with 12 welding seams. During the welding process, due to the large number of welding layers, defects such as pores and lack of fusion often occur, and it is easy for operators to Inert gas poisoning occurs. In addition, this welding process has low work efficiency and a high probability of defects. Contents of the invention [0003] Aiming at the above-mentioned prior art, the present invention provides a titanium-molybdenum-nickel alloy Thick wire automatic argon arc welding method, through the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K9/173B23K9/095B23K9/235
CPCB23K9/02B23K9/095B23K9/173B23K9/235B23K2101/18
Inventor 王富兴王明仁高希改周忠文陈景利张来明白忠建王怀祥潘广明刘鲁申
Owner LUXI IND EQUIP
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