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Welding process for aluminum profile car coupler plate

A welding process and coupler plate technology, applied in welding equipment, welding/welding/cutting items, manufacturing tools, etc., can solve the problems of high labor intensity, unstable quality, large welding deformation, etc., to reduce labor intensity and improve welding quality The effect of stability and small deformation

Active Publication Date: 2014-09-10
BOMBARDIER SIFANG QINGDAO TRANSPORTATION
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In order to overcome the shortcomings of manual welding quality instability, low productivity, large welding deformation, and high labor intensity, the invention provides a welding process for aluminum profile coupler plates, which has stable welding quality, high product pass rate, high production efficiency, and welding The deformation after welding is small, and the flatness requirements can be met without repairing after welding, and the number of welding layers is reduced, which reduces the labor intensity of the operator

Method used

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  • Welding process for aluminum profile car coupler plate
  • Welding process for aluminum profile car coupler plate
  • Welding process for aluminum profile car coupler plate

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Embodiment Construction

[0027] Such as figure 1 with figure 2 As shown, the coupler plate is composed of two aluminum profile plates 1 of the same shape, and one end of an aluminum profile plate has two cut corners at right angles opposite to both sides, and a notch is arranged between the two cut corners, and the two The chamfered edges formed by the chamfered corners of the aluminum profile plates are relatively aligned for welding. Two aluminum profile plates 1 are welded into a coupler plate through the IGM gantry robot welding system, and the process steps are as follows:

[0028] a. Connect the notched ends of the two aluminum profile plates 1, and place them on the welding assembly platform 5;

[0029] b. After the two aluminum profile plates 1 are docked, the two notches form a cavity, and the four cut corners form two "V"-shaped grooves 4. In the cavity, it is facing the tip of the "V"-shaped groove 4 Place two backing plates 2 at the corners to penetrate the sharp corners of the “V” gro...

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Abstract

The invention provides a welding process for an aluminum profile car coupler plate. Two corner cuts are designed at right angles of two opposite sides of one end, notched corner cut edges which are formed by corner cuts of two aluminum profile plates in the same shape are designed between the two corner cuts and oppositely aligned, the two aluminum profile plates are compressed and subjected to one-time backing weld by single-wire cooperative type pulse consumable electrode inert-gas welding and to one-time filling weld and two-time cosmetic welding by double-wire pulse consumable electrode inert-gas welding, and then the two aluminum profile plates are welded to form the car coupler plate. According to the welding process for the aluminum profile car coupler plate, welding qualities are stable, the product percent of pass and the producing efficiency are high, the deformation after welding is small, the planeness requirement can be met without adjustment after welding, the number of tracks of welding layers is reduced, and the labor intensity of operators is reduced.

Description

technical field [0001] The invention belongs to the field of welding technology, and in particular relates to a welding process method of an aluminum profile coupler plate. Background technique [0002] In high-speed rail vehicles, the coupler plate made of aluminum alloy is one of the most critical components, and has the highest requirements in terms of welding quality, processing quality, and dimensional quality. At present, the traditional welding process at home and abroad is to use manual welding, use a diameter of welding wire, and use the single wire pulse MIG welding mode to weld on the tooling, performing 1 bottom welding, 6 filling welding, and 4 cover welding. This traditional manual welding process has many shortcomings in actual production: First, the quality of manual welding is unstable, and there are often defects such as incomplete penetration, incomplete fusion, chain pores, and transitional penetration in the weld, and repaired The success rate is very l...

Claims

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Application Information

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IPC IPC(8): B23K9/173B23K9/035B23K9/235B23K33/00
CPCB23K9/035B23K9/067B23K9/173B23K9/1735B23K9/235B23K33/008B23K2101/006B23K2103/10
Inventor 张永杰程石来徐晓东王洋唐海鹰
Owner BOMBARDIER SIFANG QINGDAO TRANSPORTATION
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