Process method for carrying out bead welding on steel with aluminum bronze

A process method, aluminum bronze technology, applied in the direction of manufacturing tools, welding equipment, arc welding equipment, etc., can solve the problems of poor surfacing welding quality and low surfacing welding efficiency, and achieve good surfacing welding quality, high surfacing welding efficiency, and improved The effect of increasing productivity

Inactive Publication Date: 2019-01-04
WUHAN MARINE MACHINERY PLANT
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to overcome the defects and problems of poor surfacing welding quality and low surfacing welding efficiency in the prior art, and provide a process method for surfacing aluminum bronze on steel with good surfacing welding quality and high surfacing welding efficiency

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  • Process method for carrying out bead welding on steel with aluminum bronze
  • Process method for carrying out bead welding on steel with aluminum bronze

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Embodiment

[0045] A process method for surfacing aluminum bronze on steel, the method comprising the following steps:

[0046] A. Use a stainless steel wire wheel to carefully clean the oxide film on the surface to be surfacing on the surfacing workpiece;

[0047] See figure 1 The surfacing workpiece is a ring-shaped workpiece 1. The ring-shaped workpiece 1 includes an outer circumferential surface 2 and an inner circumferential surface 3. The end surface between one side of the outer circumferential surface 2 and one side of the inner circumferential surface 3 is stepped. It includes a first step surface 4 and a second step surface 5, the outside of the first step surface 4 is connected to the outer circumferential surface 2, and the inside of the first step surface 4 is connected to the outside of the second step surface 5 through a vertical wall 6 , The inner side of the second stepped surface 5 is connected with the inner circumferential surface 3, and the surfaces to be surfacing are th...

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Abstract

The invention discloses a process method for carrying out bead welding on steel with aluminum bronze. The process method comprises the following steps that firstly, a stainless steel wire wheel is used for removing an oxidation film on a face to be subjected to bead welding of a bead welding workpiece; then, overall preheating is carried out on the bead welding workpiece, the preheating temperature is 150 DEG C-200 DEG C, and the temperature is kept for 0.5-1 hour after preheating; and next, arc blowout plates are additionally arranged on the two sides of the face to be subjected to bead welding, continuous welding is carried out on the bead welding workpiece through consumable electrode inert gas shielded welding, the bead welding interlayer-temperature is larger than or equal to 150 DEGC, reasonable welding materials and welding process parameters are selected, after welding is completed, annealing heat treatment is carried out on the bead welding workpiece, the initial temperatureis 100 DEG C-150 DEG C, the temperature is kept for 2-2.5 hours after the temperature is gradually raised to 300 DEG C-400 DEG C, the temperature is kept for 1-1.5 hours after the temperature is raised to 500 DEG C-560 DEG C, and after the bead welding workpiece is cooled to 200 DEG C along with a furnace, the bead welding workpiece is output out of the furnace to be subjected to air cooling to the room temperature. By means of the design, the bead welding quality is good, and the bead welding quality is high.

Description

Technical field [0001] The invention relates to the technical field of welding, in particular to a process method for surfacing aluminum bronze on steel, and is mainly suitable for improving the quality and efficiency of surfacing aluminum bronze on steel. Background technique [0002] With the diversification of product forms and technical requirements, the application of surfacing aluminum bronze on steel has become more and more extensive. The conventional manual TIG surfacing method can no longer fully meet the production needs in terms of surfacing quality and surfacing efficiency. The following problems: 1. The surfacing layer has serious pore defects. Due to the fast heat conduction of copper and the fast cooling rate of the molten pool, the gas in the molten pool cannot escape in time, which makes the surfacing layer prone to pores, especially when large-area surfacing. When the copper layer is machined, with continuous processing, new pores will be found on the machined ...

Claims

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Application Information

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IPC IPC(8): B23K9/04B23K9/173B23K9/23B23K9/235
CPCB23K9/04B23K9/173B23K9/232B23K9/235
Inventor 方松张衡
Owner WUHAN MARINE MACHINERY PLANT
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