CN114214509A - Magnetic vibration composite residual stress reduction device - Google Patents
Magnetic vibration composite residual stress reduction device Download PDFInfo
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- CN114214509A CN114214509A CN202111617448.4A CN202111617448A CN114214509A CN 114214509 A CN114214509 A CN 114214509A CN 202111617448 A CN202111617448 A CN 202111617448A CN 114214509 A CN114214509 A CN 114214509A
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- residual stress
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- 230000009467 reduction Effects 0.000 title claims abstract description 29
- 239000002131 composite material Substances 0.000 title claims abstract description 25
- 230000032683 aging Effects 0.000 claims abstract description 87
- 230000035882 stress Effects 0.000 claims abstract description 59
- 230000009471 action Effects 0.000 claims abstract description 4
- 230000005284 excitation Effects 0.000 claims description 48
- 238000009434 installation Methods 0.000 claims description 10
- 238000012360 testing method Methods 0.000 claims description 10
- 230000001603 reducing effect Effects 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 7
- 238000013329 compounding Methods 0.000 claims 1
- 230000006798 recombination Effects 0.000 claims 1
- 238000005215 recombination Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 21
- 238000003878 thermal aging Methods 0.000 abstract description 4
- 238000005261 decarburization Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000003647 oxidation Effects 0.000 abstract description 3
- 238000007254 oxidation reaction Methods 0.000 abstract description 3
- 230000008030 elimination Effects 0.000 abstract 1
- 238000003379 elimination reaction Methods 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- 238000002474 experimental method Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 230000007547 defect Effects 0.000 description 3
- 238000000265 homogenisation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 1
- 230000003679 aging effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D10/00—Modifying the physical properties by methods other than heat treatment or deformation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Abstract
The invention discloses a magnetic vibration composite residual stress reduction device, relates to the technical field of residual stress elimination, and is used for solving the problems that the existing natural aging period is too long, the efficiency is low, and the requirement of rapid production cannot be met; the thermal aging consumes a large amount of energy and causes the technical problems of oxidation, decarburization and the like. The device comprises an electromagnetic vibration device, a vibration aging device and an electromagnetic aging device; the vibration aging device is buckled on the electromagnetic vibration device, the electromagnetic aging device is installed on the vibration aging device, a sample to be tested is installed on the vibration aging device, the vibration aging device provides tension for the sample to be tested, the sample to be tested deforms under the action of the tension of the vibration aging device, and the electromagnetic vibration device and the electromagnetic aging device respectively provide dynamic stress and a changed magnetic field for the sample to be tested. The magnetic vibration composite residual stress reduction device is simple in structure, convenient to use, obvious and efficient in residual stress reduction effect and high in practicability.
Description
Technical Field
The invention relates to the technical field of residual stress relief, in particular to a magnetic vibration composite residual stress relief device.
Background
At present, the residual stress is reduced by adopting traditional methods such as natural aging, thermal aging and the like in engineering. Wherein, the natural aging (NSR) is simple and easy to operate, but the aging period is too long, the efficiency is low, and the requirement of rapid production cannot be met; thermal ageing (TSR), the most widely used conventional treatment method at present, has good ageing effect, but consumes a large amount of energy and causes defects such as oxidation and decarburization. Under the influence of increasingly sophisticated vibration theory and testing technology, a method for eliminating residual Stress through vibration treatment, also called Vibration Stress Relief (VSR) technology, is gradually replacing natural aging and thermal aging.
The electromagnetic aging technology is a newly emerging method for reducing the residual stress, researches show that the residual stress of the steel plate can be reduced by magnetic treatment with proper strength, and the reducing effect is obvious and efficient. How to provide a magnetic vibration composite residual stress reduction device using an electromagnetic aging technology is the technical problem to be solved by the application.
Disclosure of Invention
The invention aims to provide a magnetic vibration composite residual stress reduction device, which is used for solving the problems that the existing natural aging period is too long, the efficiency is low, and the requirement of rapid production cannot be met; the thermal aging consumes a large amount of energy and causes the technical problems of oxidation, decarburization and the like.
In order to achieve the above purpose, the invention provides the following technical scheme:
the magnetic vibration composite residual stress reduction device comprises an electromagnetic vibration device, a vibration aging device and an electromagnetic aging device; the vibration aging device is buckled on the electromagnetic vibration device, the electromagnetic aging device is installed on the vibration aging device, a sample to be tested is installed on the vibration aging device, the vibration aging device provides tension for the sample to be tested, the sample to be tested is deformed under the action of the tension of the vibration aging device, and the electromagnetic vibration device and the electromagnetic aging device respectively provide dynamic stress and a changed magnetic field for the sample to be tested.
The magnetic vibration composite residual stress reduction device provided by the invention transmits dynamic stress through the vibration excitation head arranged on the vibration experiment table, and the electromagnetic aging device applies a variable magnetic field to enable the metal component to generate a magnetostrictive effect, when the sum of the residual stress, the dynamic stress, the applied tension and the electromagnetic force of the component is greater than the yield strength of a material, the high stress area of the component can generate plastic yield, so that the reduction and homogenization of the residual stress are achieved, the reduction effect generated by the vibration aging process and the electromagnetic aging process is better than that generated by the single vibration aging process and the electromagnetic aging process, and the effect of adding the two simple effects is not the effect, namely the effect of '1 +1> 2' is generated. The magnetic vibration composite residual stress reduction device is simple in structure, convenient to use, obvious and efficient in residual stress reduction effect and high in practicability.
Drawings
Other and further objects and advantages will become apparent from the following description. The drawings are intended to show examples of the various forms of the invention. The drawings are not to be considered as limiting in all ways the invention can be made and used. It goes without saying that various components of the present invention may be changed and replaced. The invention resides as well in sub-combinations and sub-systems of the elements described and in methods of using them.
In the drawings:
FIG. 1 is a schematic structural diagram of a magnetic resonance composite residual stress reduction device according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of the electromagnetic vibration device of FIG. 1;
FIG. 3 is a schematic structural diagram of the vibration aging device in FIG. 1;
FIG. 4 is a schematic view of the combination of an electromagnetic vibration device and a vibration aging device;
FIG. 5 is a schematic structural diagram of an electromagnetic aging apparatus;
fig. 6 is a combination schematic diagram of the electromagnetic excitation device and the mounting plate.
Reference numerals:
110-an electromagnetic vibration device, 111-a vibration test bed, 112-an excitation head, 120-a vibration aging device, 121-a vibration aging bracket, 122-a sliding beam, 123-a hydraulic cylinder, 124-a strip-shaped hole, 130-an electromagnetic aging device, 131-an electromagnetic bracket, 132-an electromagnetic excitation device, 133-a mounting plate, 134-a support seat and 140-a sample to be tested.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. The meaning of "a number" is one or more unless specifically limited otherwise.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The prior art for reducing residual stress aging mainly has the following defects:
1. aiming at the limitation of the size of a workpiece, the clamping of flexible bodies such as small and medium parts, steel plates and the like is not friendly.
2. The flexible bodies such as medium and small parts, steel plates and the like can not achieve good residual stress reduction effect.
Aiming at the defects, the invention specially designs a clamping mode for middle and small parts and a mode of applying tension to flexible bodies such as steel plates and the like for magnetic vibration composite aging treatment.
The invention provides a device and a method for reducing residual stress by combining magnetic vibration based on a vibration aging mechanism and a magnetic vibration principle, which improve the effect of reducing residual stress of flexible bodies such as small and medium-sized parts and steel plates by aging, and particularly have an obvious effect of reducing residual stress of metal materials with strong magnetism.
As shown in fig. 1 to fig. 6 in detail, the magnetic vibration composite residual stress reduction device provided by the present invention includes an electromagnetic vibration device 110, a vibration aging device 120, and an electromagnetic aging device 130; the vibration aging device 120 is buckled on the electromagnetic vibration device 110, the electromagnetic aging device 130 is installed on the vibration aging device 120, the sample 140 to be tested is installed on the vibration aging device 120, the vibration aging device 120 provides tension for the sample 140 to be tested, the sample 140 to be tested deforms under the action of the tension of the vibration aging device 120, and the electromagnetic vibration device 110 and the electromagnetic aging device 130 respectively provide dynamic stress and a changing magnetic field for the sample 140 to be tested.
In the specific implementation:
in practical application, a user firstly adjusts the sliding table manually according to the size of a sample, a certain tension is applied to a sample 140 to be measured by manually adjusting the hydraulic ejector rod, the excitation head 112 is installed on the vibration experiment table through threaded connection, the electromagnetic bracket 131 is installed above the vibration bracket through bolt connection, the vibration experiment table and the electromagnetic excitation device are started after the vibration experiment table and the electromagnetic excitation device are set, at the moment, the sample is excited by the excitation head 112 and the electromagnetic excitation device, and the magnetic vibration composite aging experiment is carried out in a mode that the sample is deformed by tensile force.
The magnetic vibration composite residual stress reduction device provided by the invention transmits dynamic stress through the excitation head 112 arranged on the vibration experiment table, and the electromagnetic aging device 130 applies a variable magnetic field to enable the metal component to generate a magnetostrictive effect, when the sum of the residual stress, the dynamic stress, the applied tension and the electromagnetic force of the component is greater than the yield strength of a material, the high stress area of the component can generate plastic yield, so that the reduction and homogenization of the residual stress are achieved, the reduction effect generated by the vibration aging process and the electromagnetic aging process is better than that generated by the single vibration aging process and the electromagnetic aging process, and the effect of '1 +1> 2' is not the additive effect of the two simple effects. The magnetic vibration composite residual stress reduction device is simple in structure, convenient to use, obvious and efficient in residual stress reduction effect and high in practicability.
As an implementation, the electromagnetic vibration device 110 includes a vibration test bed 111 and an excitation head 112; the excitation head 112 is mounted on the vibration test stand 111, and the excitation head 112 faces the sample 140 to be tested.
In one embodiment, there are two excitation heads 112, and the two excitation heads 112 are disposed in the stretching direction of the sample 140 to be measured.
The two excitation heads 112 are arranged on the vibration test bed 111 along the stretching direction of the sample 140 to be tested, so that the omnibearing dynamic stress can be better provided for the sample 140 to be tested, and the effect of removing the residual stress is ensured.
As an embodiment, the vibration aging apparatus 120 includes a vibration aging bracket 121, a slide table, and a stretching apparatus; the number of the vibration aging supports 121 is two, the two vibration aging supports 121 are symmetrically arranged, two ends of a sliding table are slidably mounted on the corresponding vibration aging supports 121, a stretching device is mounted on the sliding table, a sample 140 to be tested is mounted on the stretching device, and the plane of the sample 140 to be tested is parallel to the plane of the electromagnetic vibration device 110 after mounting.
The vibration aging bracket 121 is arranged in a symmetrical mode, so that the integral structure of the device is ensured, and the clamping device (namely the vibration bracket and the sliding table) for flexible bodies such as small parts and steel plates is centered; certain tension can be exerted on the sample 140 to be tested through the stretching device, the effect of exerting deformation on the sample 140 to be tested is achieved, the vibration aging bracket 121, the sliding table and the like which are supported by steel materials improve the overall structural stability of the device, the sample 140 to be tested is made of steel materials, the plane where the sample 140 to be tested is located is parallel to the plane where the electromagnetic vibration device 110 is located, and the effect that the vibration excitation head 112 provides dynamic stress on the sample 140 to be tested is guaranteed.
As an implementation manner, the sliding table includes two sliding beams 122, the two vibration aging brackets 121 are provided with strip-shaped holes 124 at corresponding positions, two ends of the two sliding beams 122 are slidably mounted in the corresponding strip-shaped holes 124 through sliders, and the stretching device is mounted on the two sliding beams 122.
Two sliding beams 122 of the sliding table are connected with the vibration aging bracket 121 in a sliding mode, so that the sliding beams 122 can slide on the vibration aging bracket 121 along the direction of the strip-shaped hole 124, can be better matched with a stretching device, provide tension for the sample 140 to be tested, and enable the sample 140 to be tested to deform.
As an embodiment, the stretching device comprises two hydraulic cylinders 123; the two sliding beams 122 are arranged in parallel, and two ends of the two hydraulic cylinders 123 are respectively installed on the corresponding sliding beams 122.
The two ends of the hydraulic cylinder 123 are installed on the corresponding sliding cross beams 122, and when the hydraulic cylinder 123 extends out, the sliding cross beams 122 are driven in the strip-shaped holes 124 to move outwards along the strip-shaped holes 124, so that the samples 140 to be tested installed on the two sliding cross beams 122 are stretched. Further, the sample 140 to be measured is mounted on the sliding beam 122 in the form of a bolt, so that the mounting is stable, and the dismounting is also convenient. Furthermore, the two hydraulic cylinders 123 are installed in parallel on the sliding beam 122, and the extending direction of the hydraulic cylinders 123 is perpendicular to the length direction of the sliding beam 122, so that the sample 140 to be measured can be deformed to the greatest extent with the minimum movement distance, and the energy efficiency is saved. Still further, in order to facilitate the installation of the hydraulic cylinder 123, corresponding installation seats are further disposed on the two sliding beams 122, so as to implement the installation of the two ends of the hydraulic cylinder 123.
As an implementation, the electromagnetic aging device 130 includes an electromagnetic bracket 131 and an electromagnetic excitation device 132; the electromagnetic excitation device 132 is installed on one side of the electromagnetic bracket 131 facing the sample 140 to be measured.
The electromagnetic excitation device 132 faces the side of the sample 140 to be measured, and can better provide a changing magnetic field for the sample 140 to be measured, so as to match with the dynamic stress transmitted by the excitation head 112, so that the metal member generates a magnetostrictive effect.
As an implementation mode, the electromagnetic bracket 131 further includes a supporting seat 134 and a mounting plate 133; a plurality of supporting seats 134 are arranged on one side of the electromagnetic bracket 131 facing the vibration aging device 120; the middle part of the electromagnetic bracket 131 is provided with a through hole, the electromagnetic excitation device 132 is installed on the installation plate 133, the installation plate 133 is installed on the electromagnetic bracket 131, and the electromagnetic excitation device 132 passes through the through hole.
The supporting seat 134 is arranged, so that the electromagnetic bracket 131 and the vibration aging bracket 121 can be conveniently installed, and meanwhile, a certain interval is ensured between the electromagnetic excitation device 132 and the sample 140 to be tested, so that the electromagnetic excitation device 132 can conveniently transmit the magnetic field between the sample 140 to be tested. The installation of the installation plate 133 and the through hole facilitates the installation of the electromagnetic excitation device 132, and also ensures the transmission of the magnetic field between the electromagnetic excitation device 132 and the sample 140 to be measured.
In one embodiment, there are two electromagnetic excitation devices 132, and the two electromagnetic excitation devices 132 are disposed along the stretching direction of the sample 140 to be measured and are disposed opposite to the excitation head 112. Further, the electromagnetic excitation device 132 includes a metal core and a coil; the coil is installed in the outside of metal core, and the coil external power.
The two electromagnetic excitation devices 132 are disposed along the stretching direction of the sample 140 to be measured, and can better correspond to the excitation head 112, and provide dynamic stress and a changing magnetic field at the same time on the upper and lower sides of the sample 140 to be measured at the same position.
In the foregoing description of embodiments, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
Thus, a novel "magnetic resonance composite residual stress relief device" has been shown and described. Of course, various modifications and substitutions may be made to the foregoing description, and all such modifications and substitutions are intended to be within the spirit and scope of the present invention. Accordingly, the invention is not to be restricted except in light of the attached claims and their equivalents.
Claims (10)
1. A magnetic vibration composite residual stress reduction device comprises an electromagnetic vibration device, a vibration aging device and an electromagnetic aging device;
the vibration aging device is buckled on the electromagnetic vibration device, the electromagnetic aging device is installed on the vibration aging device, a sample to be tested is installed on the vibration aging device, the vibration aging device provides tension for the sample to be tested, the sample to be tested is deformed under the action of the tension of the vibration aging device, and the electromagnetic vibration device and the electromagnetic aging device respectively provide dynamic stress and a changed magnetic field for the sample to be tested.
2. The magnetic vibration composite residual stress reduction device according to claim 1, wherein the electromagnetic vibration device comprises a vibration test bed and a vibration excitation head;
the vibration excitation head is installed on the vibration test bed, and the vibration excitation head faces towards the sample to be tested.
3. The magnetic vibration composite residual stress reduction device according to claim 2, wherein the number of the excitation heads is two, and the two excitation heads are arranged according to the stretching direction of the sample to be tested.
4. The magnetic vibration composite residual stress reduction device according to claim 1, wherein the vibration aging device comprises a vibration aging bracket, a sliding table and a stretching device;
the vibration ageing support is two, two the vibration ageing support symmetry sets up, the both ends slidingtype of sliding stand is installed and is corresponded on the vibration ageing support, stretching device installs on the sliding stand, the sample that awaits measuring is installed stretching device is last, the installation back the sample place plane that awaits measuring with the electromagnetism vibrating device place plane is parallel.
5. The device for reducing residual stress through magnetic resonance recombination according to claim 4, wherein the sliding table comprises two sliding beams, strip-shaped holes are formed in positions corresponding to the two vibration aging brackets, two ends of each sliding beam are slidably mounted in the corresponding strip-shaped holes through sliding blocks, and the stretching devices are mounted on the two sliding beams.
6. The magnetic vibration composite residual stress reduction device according to claim 5, wherein the stretching device comprises two hydraulic cylinders;
the two sliding cross beams are arranged in parallel, and two ends of the two hydraulic cylinders are respectively arranged on the corresponding sliding cross beams.
7. The magnetic resonance composite residual stress reduction device according to claim 3, wherein the electromagnetic aging device comprises an electromagnetic bracket and an electromagnetic excitation device;
the electromagnetic excitation device is arranged on one side of the electromagnetic bracket, which faces the sample to be detected.
8. The magnetic resonance composite residual stress reduction device according to claim 7, wherein the electromagnetic bracket further comprises a support base and a mounting plate;
the supporting seats are multiple and are arranged on one side, facing the vibration aging device, of the electromagnetic bracket; the middle part of electromagnetic support is provided with the through-hole, electromagnetic excitation device installs on the mounting panel, the mounting panel is installed on the electromagnetic support, electromagnetic excitation device passes the through-hole.
9. The device for reducing residual stress through magnetic resonance compounding as claimed in claim 8, wherein there are two electromagnetic excitation devices, and the two electromagnetic excitation devices are disposed along the stretching direction of the sample to be tested and opposite to the excitation head.
10. The magnetic resonance composite residual stress reduction device according to claim 7, wherein the electromagnetic excitation device comprises a metal core and a coil;
the coil is installed in the outside of metal core, the coil external power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111617448.4A CN114214509A (en) | 2021-12-27 | 2021-12-27 | Magnetic vibration composite residual stress reduction device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111617448.4A CN114214509A (en) | 2021-12-27 | 2021-12-27 | Magnetic vibration composite residual stress reduction device |
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| CN114214509A true CN114214509A (en) | 2022-03-22 |
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| CN202111617448.4A Pending CN114214509A (en) | 2021-12-27 | 2021-12-27 | Magnetic vibration composite residual stress reduction device |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104142220A (en) * | 2014-07-23 | 2014-11-12 | 西安空间无线电技术研究所 | Aging vibration test device for cable net type antenna metal net |
| CN104962725A (en) * | 2015-07-10 | 2015-10-07 | 北京科技大学 | Magnetic resonance and ageing compound residual stress reduction device |
| CN106345882A (en) * | 2016-11-22 | 2017-01-25 | 合肥工业大学 | Vibration-assisted aircraft skin stretch forming and resilience inhibition device and technique |
-
2021
- 2021-12-27 CN CN202111617448.4A patent/CN114214509A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104142220A (en) * | 2014-07-23 | 2014-11-12 | 西安空间无线电技术研究所 | Aging vibration test device for cable net type antenna metal net |
| CN104962725A (en) * | 2015-07-10 | 2015-10-07 | 北京科技大学 | Magnetic resonance and ageing compound residual stress reduction device |
| CN106345882A (en) * | 2016-11-22 | 2017-01-25 | 合肥工业大学 | Vibration-assisted aircraft skin stretch forming and resilience inhibition device and technique |
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Application publication date: 20220322 |