A kind of argon arc welding process of 1800mpa ultra-high strength hot forming steel plate

An ultra-high-strength, argon arc welding technology, applied in welding equipment, welding accessories, arc welding equipment, etc., can solve problems such as increasing the thickness of the plate, and achieve the effect of easy operation, high efficiency and maximum benefit

Active Publication Date: 2022-07-26
SHENYANG UNIV
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Problems solved by technology

In order to meet the safety requirements of the car body, the traditional automobile body panels will increase the thickness of the panels

Method used

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  • A kind of argon arc welding process of 1800mpa ultra-high strength hot forming steel plate
  • A kind of argon arc welding process of 1800mpa ultra-high strength hot forming steel plate
  • A kind of argon arc welding process of 1800mpa ultra-high strength hot forming steel plate

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Embodiment Construction

[0016] The present invention will be described in detail below with reference to the embodiments shown in the accompanying drawings.

[0017] The invention provides an argon arc welding process for a 1800 MPa-grade ultra-high-strength hot-formed steel sheet, which uses a hot-formed steel sheet with a length of 70 mm, a width of 50 mm, and a thickness of 1.4 mm, and does not use welding wires for welding. The implementation process is as follows.

[0018] The hot-formed steel sheet is treated before welding: the rust layer after heat treatment on the surface of the steel plate is removed by pickling, the oxide layer is removed by grinding, and the parts to be welded are cleaned with acetone to ensure that the parts to be welded are clean.

[0019] The ultra-high-strength hot-formed steel sheet is placed on the welding machine table in the form of a butt, and the size of the sheet is as follows figure 1 As shown, the docking form of the plate is as follows figure 2 shown. Tig...

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Abstract

A argon arc welding process for 1800MPa ultra-high-strength hot-formed steel sheets. The method is to butt together two ultra-high-strength hot-formed steels with clean surfaces and no foreign matter, and tighten them with clamps to ensure that the plates will not be displaced during the welding process. . Set the path program of the welding robot so that the welding torch moves along the weld. Adjust the relevant parameters of the argon arc welding machine to weld the plate. The invention provides a manufacturing and processing technology capable of perfecting the ultra-high-strength hot-formed steel sheet. Using the invention, the ultra-high-strength hot-formed steel sheet can be advantageously combined in production, thereby significantly improving the comprehensive performance of the product.

Description

technical field [0001] The invention relates to an ultra-high-strength steel welding process, in particular to a argon arc welding process for welding 1800 MPa-grade ultra-high-strength hot-formed steel plates. Background technique [0002] The development of the manufacturing industry is inseparable from the development of materials and craftsmanship. In recent years, various new materials have emerged one after another. The 1800MPa grade ultra-high-strength steel has attracted extensive attention and attention in the manufacturing industry from the moment it appeared, and its excellent mechanical properties can meet the needs of various manufacturing. [0003] Taking the automobile industry as an example, in today's global environment of advocating energy conservation, emission reduction and sustainable development, various car companies are racking their brains to reduce body weight. There are two main ways to reduce the weight of the car: on the one hand, starting from ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23K9/16B23K9/127B23K9/28B23K9/32
CPCB23K9/16B23K9/32B23K9/28B23K9/127
Inventor 刘岩刘佳朋杜安娜刘兆真周桂申
Owner SHENYANG UNIV
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