Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Titanium and titanium alloy component arc welding adding material remanufacturing method

A remanufacturing, titanium alloy technology, applied in the field of remanufacturing engineering, can solve the problems of large heat input, low material utilization rate, poor gas protection regulation, etc., to achieve the effect of reducing heat input and saving materials

Active Publication Date: 2014-09-03
ACADEMY OF ARMORED FORCES ENG PLA
View PDF7 Cites 19 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention provides a MIG arc welding additive remanufacturing method for titanium and titanium alloy components aimed at the problem of damage repair of titanium and titanium alloy components. The purpose is to provide gas shielding strategies and welding process solutions for specific damage forms. Solve the size and performance control problems in the additive remanufacturing of titanium and titanium alloy components, realize the precise remanufacturing of titanium and titanium alloy components, so as to improve the quality of arc welding repair, improve material utilization and production efficiency, and solve the problem of traditional manual MIG The problems of low utilization rate of welding materials, large heat input, airtight air chamber, poor regulation of gas protection and high labor intensity of operators

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Titanium and titanium alloy component arc welding adding material remanufacturing method
  • Titanium and titanium alloy component arc welding adding material remanufacturing method
  • Titanium and titanium alloy component arc welding adding material remanufacturing method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Using the invented titanium and titanium alloy arc welding additive remanufacturing method, the spot wear was repaired (the length of the maximum wear part is 10mm, and the depth is 1.1mm). The arc welding robot adopts the IRB2400 arc welding robot with a maximum load of 16kg and welding wire The grade is TC4, the diameter of the welding wire is 1.0mm, and the bell type gas shielding structure is adopted; the angle between the welding torch and the welding seam is 105°, the angle between the welding torch and the component substrate plane is 95°, the wire feeding speed is 12.0m / min, and the welding speed is 15mm / s, inductance correction +3%, arc length correction 2.6, the protective gas used in the micro-area of ​​the molten pool is helium-argon mixed gas, the volume ratio of helium and argon is 9.5:0.5, the flow rate is 28L / min, the weld micro-area The protective gas used is argon-helium mixed gas, the volume ratio of argon to helium is 9.5:0.5, the flow rate is 35L / mi...

Embodiment 2

[0030]Using the invented titanium and titanium alloy arc welding additive remanufacturing method, the repair of linear wear (wear length 70mm, maximum wear width 3.0mm) is carried out. The arc welding robot adopts IRB2400 arc welding robot, the maximum load is 16kg, and the welding wire grade is TC4, the diameter of the welding wire is 1.2mm, and the boat-shaped gas shielding structure is adopted; the angle between the welding torch and the welding seam is 85°, the angle between the welding torch and the component substrate plane is 85°, the wire feeding speed is 6.5m / min, and the welding speed is 8mm / s. , inductance correction -3%, arc length correction -2.6, the protective gas used in the micro-area of ​​the molten pool is helium-argon mixed gas, the volume ratio of helium and argon is 8.5:1.5, the flow rate is 22L / min, the weld micro-area The protective gas used is argon-helium mixed gas, the volume ratio of argon to helium is 9.0:1.0, the flow rate is 12L / min, the gas prote...

Embodiment 3

[0033] Using the invented titanium and titanium alloy arc welding additive remanufacturing method, the repair of arc-shaped wear (the maximum curvature radius is 15mm) is carried out. The arc welding robot adopts IRB2400 arc welding robot, the maximum load is 16kg, the welding wire grade is TC4, and the welding wire The diameter is 0.8mm, the bell type gas shielding structure is adopted, the angle between the welding torch and the welding seam is 95°, the angle between the welding torch and the component substrate plane is 95°, the wire feeding speed is 10m / min, the welding speed is 12mm / s, and the inductance correction is -3 %, the arc length correction is 2.6, the protective gas used in the molten pool micro-area is helium, the flow rate is 28L / min, the protective gas used in the weld micro-area is argon, the gas flow rate is 30L / min, the gas protection is started 10 seconds in advance, and then start Arc; keep the position of the torch unchanged after the arc is extinguished...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
Tensile strengthaaaaaaaaaa
Login to View More

Abstract

The invention discloses a titanium and titanium alloy component arc welding adding material remanufacturing method. In the arc welding adding material remanufacturing process, the pulse MIG welding technology is adopted, the mode of metal transfer is spray transfer, a double-microdomain adjusting mode is adopted in gas protection, the appearance structure is a bell jar type or a ship type, and a front stretching and back extending mode is adopted in protection gas supplying and non-supplying; the inclination angle theta and the inclination angle omega of opposite welding lines of a welding gun are controlled; argon or argon-helium or helium-argon or helium is adopted as the double-microdomain protection gas; an arc welding robot is adopted to control the moving speed and posture of the welding gun. The titanium and titanium alloy component arc welding adding material remanufacturing method solves the problems of gas protection, technology optimization and quality control in the titanium and titanium alloy component MIG arc welding adding material remanufacturing, adding material remanufacturing of abraded or broken titanium and titanium alloy components is achieved, the gas protection structure is simple, easy to use and good in protection effect, a sealing gas chamber is not needed, more than 40 percent of materials can be saved, the thermal input can be reduced by more than 20 percent, and the titanium and titanium alloy component arc welding adding material remanufacturing quality is improved.

Description

technical field [0001] The invention relates to an arc welding remanufacturing method, in particular to a MIG arc welding additive remanufacturing method for titanium and titanium alloy components, and belongs to the technical field of remanufacturing engineering. Background technique [0002] Titanium and titanium alloy materials have been widely used in aerospace, ocean freight, energy power, petrochemical and other fields due to their excellent characteristics such as high specific strength, low density and corrosion resistance. The connecting technologies that can be used for titanium and titanium alloy materials mainly include Laser welding, electron beam welding, laser-arc hybrid welding, friction stir welding, cementation, active brazing and soft soldering, among which the MIG welding process has become an important titanium alloy due to its fast deposition speed, good economy and easy automation. One of the connection technologies. American M.W Technology Co., Ltd. ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): B23K9/173
CPCB23K9/025B23K9/164B23K9/173B23K9/321B23K31/125B23K35/383B23K2103/14
Inventor 朱胜曹勇王晓明杜文博殷凤良刘玉项姚巨坤王启伟
Owner ACADEMY OF ARMORED FORCES ENG PLA
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com