Control system for lockhole effect TIG deep penetration welding welder and control method

A control system and effect technology, applied in the direction of manufacturing tools, welding equipment, arc welding equipment, etc., can solve the problems of complex welding torch design, sensitive changes in welding parameters, high welding costs, etc., achieve huge industrial application value and improve welding efficiency , the effect of reducing energy consumption

Active Publication Date: 2015-12-09
GUANGDONG FUWEIDE WELDING
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  • Abstract
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Problems solved by technology

Laser welding and vacuum electron beam welding equipment are very expensive, and have strict requirements on the welding environment and weldments. Plasma welding technology cannot achieve

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  • Control system for lockhole effect TIG deep penetration welding welder and control method
  • Control system for lockhole effect TIG deep penetration welding welder and control method

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[0028] In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings.

[0029] refer to figure 1 A schematic block diagram of the structure of this embodiment is shown.

[0030] In this embodiment, a keyhole effect TIG deep penetration welding machine control system, the control system designed for the applicant's invention patent: keyhole effect TIG deep penetration welding torch (patent number: 201420318497.7), including Main control circuit module 1, man-machine interface 2, welding power supply control module 3, control switch module 4, high frequency arc starting module 5, current balance module 6, dual drive module 7, dual IGBT module 8, operating status signal feedback Processing module 9.

[0031] The main control circuit module 1 includes a 32-bit high-speed ARM microprocessor storage unit and a peripheral interface circ...

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Abstract

The embodiment of the invention discloses a control system for a lockhole effect TIG deep penetration welding welder. The control system comprises a main control circuit module, a man-machine interface, a welding power source control module, a control switch module, a high-frequency arcing module, a current balance module, a double-circuit drive module and a double-circuit IGBT module. The invention further discloses a control method adopting the control system for the lockhole effect TIG deep penetration welding welder. By the adoption of the control system and the control method, a specially-designed welding gun is driven and controlled to achieve lockhole effect deep penetration argon arc welding, and welding efficiency is greatly improved; and meanwhile beveling is not needed in the thick plate welding process, and no filler wire is needed or only a small number of filler wires are needed, so that welding cost is greatly reduced, and high industrial application value is achieved.

Description

technical field [0001] The invention relates to the field of welding equipment, in particular to a welding machine control system for generating keyhole effect TIG deep penetration welding. Background technique [0002] TIG welding (TungstenInertGasarcWelding), also known as inert gas tungsten shielded welding, is a mature welding method and is widely used in the welding fields of carbon steel, stainless steel, aluminum alloy and non-ferrous metal materials. Ordinary TIG welding has a stable arc and good welding quality, but its penetration is shallow, the welding speed is slow, and the efficiency is low. For example, for stainless steel or titanium alloy, the maximum penetration depth of one welding can only reach about 4mm. Therefore, TIG welding is generally used for thin plate welding or bottom penetration weld bead root welding of thick-walled important components. [0003] For medium-thickness (>4mm) metal plates, the traditional method needs to open a correspondi...

Claims

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Application Information

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IPC IPC(8): B23K9/10B23K9/06B23K9/095B23K9/167
CPCB23K9/0673B23K9/095B23K9/1056B23K9/167
Inventor 刘志忠石永华李业兴
Owner GUANGDONG FUWEIDE WELDING
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