Lateral Welding Method

A technology of horizontal welding and welding speed, which is applied in welding equipment, plasma welding equipment, metal processing equipment, etc., can solve the problems of single-sided welding and double-sided forming of the weld, and achieve the optimization of microstructure and macroscopic appearance, The effect of eliminating defects

Active Publication Date: 2020-02-21
ZOOMLION HEAVY IND CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The purpose of the present invention is to overcome the problem in the prior art that single-sided welding and double-sided forming of the weld cannot be realized without a liner, and to provide a transverse welding method that can be used without a liner Single-sided welding and double-sided forming

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Embodiment Construction

[0031] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary, and are intended to explain the present invention, but should not be construed as limiting the present invention.

[0032] The lateral welding method according to the embodiment of the present invention will be described below with reference to the drawings. Such as Figure 1-Figure 4 As shown, the lateral welding method according to the embodiment of the present invention includes the following steps:

[0033] Position the first workpiece 110 and the second workpiece 120 to be welded so that the surface to be welded is in the horizontal welding position;

[0034] A front heat source 130 and a rear heat source 140 are provided to form a weld between the welding surfaces of the first workpiece 110 and the second workpiece 120. The energy density...

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Abstract

The invention discloses a horizontal welding method which comprises the following steps: positioning a to-be-welded first workpiece and a to-be-welded second workpiece, so as to ensure that the to-be-welded surfaces of the first workpiece and the second workpiece are placed at horizontal welding positions; and providing a front-end heat source and a rear-end heat source, so as to ensure that weldsare formed at the to-be-welded parts of the to-be-welded surfaces of the first workpiece and the second workpiece, wherein the energy density of the front-end heat source is higher than that of the rear-end heat source, and the following position relationship between the front-end heat source and the rear-end heat source is met: a first included angle between a first straight line and a fourth straight line, a third included angle between the a second straight line and an eighth straight line, a fourth included angle between a fifth straight line and the eighth straight line, and a sixth included angle between a sixth straight line and a ninth straight line are all greater than 0 degree but less than or equal to 15 degrees; a second included angle between the fourth straight line and a seventh straight line is greater than or equal to negative 30 degrees but less than or equal to 30 degrees; and a fifth included angle between a third straight line and the ninth straight line is greater than negative 15 degrees but less than 0 degree. The horizontal welding method has the advantages of being high in welding efficiency, high in welding quality, low in welding difficulty, and the like.

Description

Technical field [0001] The present invention relates to the field of welding, in particular to a transverse welding method. Background technique [0002] The existing flat welding method cannot realize the single-sided welding and double-sided forming of the welding seam without a backing. In order to realize the single-sided welding and double-sided forming of the weld, a gasket can only be provided on the back of the weld. However, the installation of the gasket has the disadvantages of high cost and low efficiency. [0003] When welding box-shaped parts, in order to ensure that the box-shaped parts, such as the boom of a crane, can have sufficient bearing capacity, the process requires that the front and back sides of the box-shaped parts are well formed, and the root of the weld is completely penetrated. At present, when conventional gas shielded welding is used to weld box-shaped parts without a backing, the molten pool metal flows under the action of gravity, and it is impo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23K10/02
Inventor 王霄腾谭星关勇王莲芳
Owner ZOOMLION HEAVY IND CO LTD
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