Application of electromagnetic field for improving life of metallic material

A metal material and electromagnetic field technology, applied in the field of metal material processing, can solve problems such as deformation, element burning, incomplete phase transformation, etc., and achieve the effect of increasing service life, improving wear resistance, and obvious effects

Active Publication Date: 2007-09-26
WUHAN JINGTAI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to overcome the defects of residual stress and incomplete phase transformation in the existing heat treatment technology and deformation, oxidation and burning loss of some elements introduced in the heat treatment process

Method used

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  • Application of electromagnetic field for improving life of metallic material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Take 20 pieces of hard alloy turning blades KC9110 used in the machining industry, and stick them on the fixture platform through double-sided adhesive tape. The low-frequency excitation power supply outputs 80A alternating current, the frequency is 30Hz, and the number of turns of the low-frequency excitation coil is 350 turns; the output frequency of the induction power supply is 30KHz. Output power 5Kw, induction coil 6 turns; processing time 240s. The processed turning blades and the untreated turning blades produced in the same batch were processed under the same working conditions to process 45# steel shafts for comparative tests. The results showed that the untreated blades processed 200 pieces on average, and the processed Each blade processes 420 pieces on average, and the service life is increased by 1.1 times.

Embodiment 2

[0020] Take 20 pieces of hard alloy turning blades KC9225 used in the machining industry, and stick them on the fixture platform through double-sided adhesive tape. The low-frequency excitation power supply outputs 80A alternating current, the frequency is 30Hz, and the number of turns of the low-frequency excitation coil is 350 turns; the output frequency of the induction power supply is 30KHz. Output power 5Kw, induction coil 6 turns; processing time 240s. The processed turning blades were compared with the untreated turning blades produced in the same batch to process stainless steel sleeves under the same working conditions. The results showed that the untreated blades processed an average of 75 pieces per piece, and the processed blades On average, 240 pieces are processed per piece, and the life span is increased by 2.2 times.

Embodiment 3

[0022] Take 20 pieces of KY1310 carbide turning blades used in the machining industry, and stick them on the fixture platform through double-sided adhesive tape. The low-frequency excitation power supply outputs 80A alternating current, the frequency is 30Hz, and the number of turns of the low-frequency excitation coil is 350 turns; the output frequency of the induction power supply is 30KHz. Output power 5Kw, induction coil 6 turns; processing time 240s. The processed turning blades were compared with the untreated turning blades produced in the same batch to process the gray cast iron cylinder under the same working conditions. The results showed that the untreated blades processed 180 pieces on average, and the treated blades An average of 280 pieces are processed per blade, and the service life is increased by 0.56 times.

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Abstract

The invention discloses an application of electromagnetic field to improve the lifetime of metal material, which comprises the following steps: fixing disposed element on the chuck; placing fixed element in the high-frequency electromagnetic inductive coil; placing high-frequency coil with element and chuck in the low-frequency exciting coil; making the disposed working piece receive magnet, power and mechanical energy; fitting for disposing kinds of metal material such as electronic profession, mechanic manufacturing profession, mining industry, building industry and automobile industry; improving the using lifetime of working piece effectively.

Description

technical field [0001] The invention belongs to the field of metal material processing, and in particular relates to the application of electromagnetic field in improving the service life of metal materials. Background technique [0002] How to improve the wear resistance of metal materials has always been an important research direction in the field of materials engineering. The current methods include changing the material formula and processing methods. [0003] Among the treatment methods, heat treatment can effectively improve the wear resistance of metal materials and is widely used. However, due to the residual stress and incomplete phase transformation generated in the heat treatment process, it is difficult to maximize the wear resistance of metal materials; in addition, the deformation, oxidation and burning loss of some elements introduced in the heat treatment process make heat treatment cannot be used as the final process. And limited the scope of use. Conten...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C21D10/00C22F3/00
Inventor 王明道王自成袁金磊
Owner WUHAN JINGTAI TECH CO LTD
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