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Method and apparatus for automatically welding and structural object thereby

A technology of automatic welding and welding current, applied in the direction of electric heating devices, welding equipment, manufacturing tools, etc., can solve the problems of high efficiency and achieve high efficiency

Inactive Publication Date: 2004-12-22
KK TOSHIBA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In this way, although high quality can be achieved, high efficiency is extremely difficult

Method used

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  • Method and apparatus for automatically welding and structural object thereby
  • Method and apparatus for automatically welding and structural object thereby
  • Method and apparatus for automatically welding and structural object thereby

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Experimental program
Comparison scheme
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Embodiment Construction

[0064] (1) Next, a first embodiment of the present invention will be described with reference to the drawings.

[0065] figure 1 It is a structural diagram of an automatic welding device.

[0066] The welding structure 20 is made of aluminum alloy and formed in a cylindrical shape. There is a welded joint 21 on this welded structure 20, and because it is a large object and in order to prevent deformation, it must be erected with a cylinder figure 1 As shown in the joint 21, and because it is a large object and in order to prevent deformation, it must be erected with a cylinder figure 1 Welding is performed in the state shown. Therefore, the welding posture when welding the welding joint 21 is a lateral posture.

[0067] On the side surface of the welding structure 20, a traveling rail 23 on which the welding trolley 22 travels is attached. The welding traveling trolley 22 performs welding while traveling on the traveling rail 23 along its entire circumference, and hold...

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PUM

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Abstract

The invention provides an automatic welding method and device and being-weld part, which welds the being-weld part with high quality and high efficiency and in horizontal position and whole position. The welding method brings welding arc between welding gun and being-weld part, forms melting pool, melts welding wire, and adds the drops into the melting pool. The method characters in that the welding gun swings towards the probably vertical direction to the welding point of the being-weld part, and synchronously supplies peak current to the the welding gun when it swings upwards.

Description

technical field [0001] The present invention relates to an automatic welding method and its device and a welding structure formed by the welding. The welding method and its device are used to weld the welding structure. The welding structure is made of, for example, a gas for power distribution equipment Formed by welded structures such as welded joints of the circuit breaker outer container. Background technique [0002] In the prior art, such a welded structure requires a highly reliable welding method. Especially in recent years, various high-efficiency welding methods have been used for this welded structure. For example, the welded structure disclosed in Japanese Patent Application Publication No. 8-1360, such as Figure 10 As shown, in order to achieve high quality and high efficiency, the circumferential joint formed by the stainless steel pipe 1 and the carbon steel flange 2 is welded by laser. [0003] In this laser welding, the laser output from a laser emitter n...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H05B7/20B23K9/02B23K9/16H05B7/148
CPCY02P10/25B23K9/127
Inventor 本多啓三村上英次雏田谷博
Owner KK TOSHIBA