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A production method for improving the wear resistance of plasma arc surfacing welding

A technology of plasma arc and production method, which is applied in the production field of improving the wear resistance of plasma arc surfacing, can solve the problems of limiting the application and popularization of inventions, increasing the cost of surfacing welding, etc., so as to improve physical properties, improve overall wear resistance, The effect of tissue uniform refinement

Inactive Publication Date: 2012-02-08
SHENYANG POLYTECHNIC UNIV
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  • Abstract
  • Description
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Problems solved by technology

However, since this patent is to change the composition of surfacing alloy powder, and now the price of metal powder has risen sharply, this increases the cost of surfacing welding, which limits the application and promotion of the invention

Method used

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  • A production method for improving the wear resistance of plasma arc surfacing welding
  • A production method for improving the wear resistance of plasma arc surfacing welding
  • A production method for improving the wear resistance of plasma arc surfacing welding

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Embodiment Construction

[0010] The present invention includes a power supply device 1, which is connected with a coil 5 in a supporting frame 6 through a wire 7;

[0011] A silicon steel sheet 10 can be arranged in the coil 5; thereby increasing the strength of the magnetic field.

[0012] The coil 5 is placed on the outer surface of the plasma arc welding torch 8 connected to the cable 9 and fixed on the corresponding feeding device with the support frame 6. The whole of the coil 5 of the present invention is placed directly above the workpiece 4, and two adjustments are made as required. the distance between them. When in use, first connect the power supply device 1 of the welding machine equipment, start the welding machine, then turn on the switch 2 of the magnetic field power supply device 1 to energize the coil 5 and generate a corresponding magnetic field, and then let the plasma arc welding torch 8 contact the workpiece 4 to start the arc 3. Then the workpiece 4 is welded by moving the plasm...

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PUM

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Abstract

A production method for improving the wear resistance of plasma arc surfacing welding relates to the improvement of the plasma arc surfacing welding processing method. The present invention changes the crystallization process of the surfacing layer by applying an external magnetic field on the basis of commonly used surfacing alloys, controls the distribution of hard phases in the surfacing layer, and further improves the wear resistance of the surfacing layer. The invention includes a power supply device, which is characterized in that the power supply device is connected with the coil in the support frame through wires; the plasma arc welding torch is welded under the action of the magnetic force line generated by the coil.

Description

Technical field: [0001] The invention relates to an improvement of a plasma arc surfacing welding processing method. Background technique: [0002] Wear is one of the three main failure modes of materials, and the economic loss it causes is very huge. In a report submitted to the U.S. Congress by the U.S. National Materials Policy Committee, it was pointed out that the loss caused by friction and wear caused the U.S. economy to pay a huge sum of 100 billion U.S. dollars every year, and the material part of this loss was about 20 billion U.S. dollars; In a survey of the former Federal Republic of Germany in 1996, it was pointed out that the loss caused by friction and wear was estimated to be 38.7 billion marks; 1.1%. Our country has conducted a comprehensive investigation and analysis on the economic loss caused by friction and wear, and pointed out that this loss accounts for at least 1.8% of the gross national product every year. The patent applied by Matsui Integer of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23K9/08B23K9/04B23K10/02B23K37/00
Inventor 刘政军苏允海李永奎张世鑫孙景刚
Owner SHENYANG POLYTECHNIC UNIV
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