CN109884173A - A kind of magnetic powder detection method connecting class product - Google Patents
A kind of magnetic powder detection method connecting class product Download PDFInfo
- Publication number
- CN109884173A CN109884173A CN201910182540.9A CN201910182540A CN109884173A CN 109884173 A CN109884173 A CN 109884173A CN 201910182540 A CN201910182540 A CN 201910182540A CN 109884173 A CN109884173 A CN 109884173A
- Authority
- CN
- China
- Prior art keywords
- magnetic
- parts
- magnetic powder
- piece surface
- detection method
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Abstract
The present invention relates to Magnetic Particle Inspection fields, and in particular to a kind of magnetic powder detection method for connecting class product, comprising the following steps: then the greasy dirt and impurity that piece surface is removed using kerosene wash with water rear drying for standby；Probe will be powered after magnetization close to part, and magnetize parts locally；Apply fluorescence magnetic flaw detection ink to part magnetized area, magnetic powder is made to be adsorbed in rejected region, then is applied to the fluorescence magnetic flaw detection ink 12-18s of piece surface using black light light irradiation；Using electromagnetic probe, from the top of piece surface, movement is detected a flaw to the lower part；The magnetic trace of piece surface is observed, and carries out magnetic trace record.The present invention has the advantages that imaging effect is good, detection is fireballing.
Description
Technical field
The present invention relates to Magnetic Particle Inspection fields, and in particular to a kind of magnetic powder detection method for connecting class product.
Background technique
In the industry, magnetic powder inspection can be used to make last product inspection, to guarantee that workpiece is passing through each road manufacturing procedure
After (such as welding, metal heat treatmet, grinding), harmful defect is not generated on the surface.It can be used for semi-finished product and raw material
Such as inspection of bar, steel billet, forging, casting, to find the surface defect that there is originally.The transportation departments such as railway, aviation,
Smelting, chemical industry, power and various enginerring works etc., in equipment periodic inspection to important steel component parts also frequently with magnetic
Powder flaw detection, the defects of to find generated fatigue crack in use, prevents equipment from disastrous accident occurring in continuing to use.
The advantages of magnetic powder inspection is: inspection the defects of to steel material or workpiece surface crackle is highly effective;Equipment and
Operation is relatively simple;Examine speed fast, convenient for detecting a flaw at the scene to large scale equipment and workpiece；Expenses of laboratory examination is relatively low.It lacks
Point is: being only applicable to ferrimagnet；It is only capable of showing the length and shape of defect, and is difficult to determine its depth；There is shadow to remanent magnetism
Loud some workpiece also need to demagnetize and clean after magnetic powder inspection.
The high sensitivity of magnetic powder inspection, operation also facilitate.But it cannot find that part in bed casting and magnetic conductivity are poor
The material of (such as austenitic steel), and cannot find the deeper defect of cast-internal point.Casting, steel material are detected surface requirements light
It is sliding, it needs just to can be carried out after polishing.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of magnetic powder detection sides for connecting class product
Method.The present invention has the advantages that imaging effect is good, detection is fireballing.
A kind of magnetic powder detection method connecting class product, comprising the following steps:
S1 pretreatment: the greasy dirt and impurity of piece surface are removed using kerosene, then washes with water rear drying for standby；
S2 magnetization: probe is powered after magnetization close to part, parts locally is magnetized；
S3 applies magnetic flaw detection ink: applying fluorescence magnetic flaw detection ink to part magnetized area, so that magnetic powder is adsorbed in rejected region, then using black
Light light irradiation is applied to the fluorescence magnetic flaw detection ink 12-18s of piece surface；
S4 flaw detection: using electromagnetic probe, from the top of piece surface, movement is detected a flaw to the lower part；
The observation of S5 magnetic trace and record: the magnetic trace of piece surface is observed, and carries out magnetic trace record.
Further, kerosene is made of following component according to weight ratio in the step S1:
12-15 parts of C 4 olefin；
6-12 parts of iso-butane；
8-13 parts of n-undecane；
7-15 parts of 2- methyl dodecane；
10-14 parts of Isocrotyl acylamide isoheptyl ester；
6-10 parts of dimethylbenzene.
Further, the revolving speed of hot-wire coil is 15-20r/min in the step S2.
Further, the step S4 electromagnetic probe is rotatable.
Further, the step S4 electromagnetic probe end face keeps again being powered to electromagnetic probe after well contacting and visit with part
Wound.
Further, the fluorescence Particle content in the step S3 is 0.8-1.2g/L.
Beneficial effect
Beneficial effects of the present invention are as follows:
(1), it is powered and pops one's head in close to part, after magnetizing parts locally, if piece surface is defective, such as slight crack, impurity exist,
Due to they be it is non-ferromagnetic, the resistance passed through to the magnetic line of force is very big, and the magnetic line of force can generate leakage field near these defects, because
This present invention was used with C 4 olefin, iso-butane, n-undecane, 2- methyl dodecane, dimethylbenzene, isobutenyl amide different heptan
The kerosene that ester forms by a certain percentage can remove the impurity or greasy dirt of piece surface well, reduce what impurity showed magnetic trace
It influences, and the surface layer without being free of corrosivity, machine components will not be damaged, can prevent, die face sticks mutually with moulding
, make surface smooth clean, there are also antirust functions, can play the role of lubrication, will not generation environment pollution.
(2), the present invention uses rotatable electromagnetic probe, can detect a flaw to the part of surface imperfection；It is detecting a flaw
Electromagnetic probe end face keeps again being powered to electromagnetic probe after well contacting with part in the process, can prevent part scaling loss, improve
Energization efficiency；The concentration of magnetic flaw detection ink plays key effect to the imaging of magnetic trace, uses concentration for the fluorescence magnetcisuspension of 0.8-1.2g/L
Liquid concentration can reach best imaging effect.
(3), magnetic flaw detection ink is sprayed at after piece surface flows to part lower end under gravity, if the sequence of flaw detection
Be when flowing to opposite with it, then it cannot clearly magnetic powder apperance, the present invention be downward from part top by electromagnetic probe in flaw detection
Portion's flaw detection, can be solved this problem, thus obtain it is complete clearly as.
(4), the present invention can intuitively show position, size, shape and the severity of part defect, and can substantially determine
The property of defect can detect the defect of micron level width with very high sensitivity, and detection speed is fast, simple process,
It is low to the pollution of environment.
Specific embodiment
Invention is further described in detail combined with specific embodiments below.
Embodiment 1
A kind of magnetic powder detection method connecting class product, comprising the following steps:
S1 pretreatment: the greasy dirt and impurity of piece surface are removed using kerosene, then washes with water rear drying for standby；
S2 magnetization: probe being powered after magnetization close to part, parts locally is magnetized, and wherein the revolving speed of electric coil is 15r/
min；
S3 applies magnetic flaw detection ink: applying fluorescence magnetic flaw detection ink to part magnetized area, so that magnetic powder is adsorbed in rejected region, then using black
Light light irradiation is applied to the fluorescence magnetic flaw detection ink 12s of piece surface；
S4 flaw detection: using electromagnetic probe, from the top of piece surface, movement is detected a flaw to the lower part；
The observation of S5 magnetic trace and record: the magnetic trace of piece surface is observed, and carries out magnetic trace record.
Further, kerosene is made of following component according to weight ratio in the step S1:
12 parts of C 4 olefin；
6 parts of iso-butane；
8 parts of n-undecane；
7 parts of 2- methyl dodecane；
10 parts of Isocrotyl acylamide isoheptyl ester；
6 parts of dimethylbenzene.
Specifically, the step S4 electromagnetic probe is rotatable.
Specifically, the step S4 electromagnetic probe end face keeps again being powered to electromagnetic probe after well contacting and visit with part
Wound.
Specifically, the fluorescence Particle content in the step S3 is 0.8g/L.
Embodiment 2
A kind of magnetic powder detection method connecting class product, comprising the following steps:
S1 pretreatment: the greasy dirt and impurity of piece surface are removed using kerosene, then washes with water rear drying for standby；
S2 magnetization: probe being powered after magnetization close to part, parts locally is magnetized, and wherein the revolving speed of electric coil is 16r/
min；
S3 applies magnetic flaw detection ink: applying fluorescence magnetic flaw detection ink to part magnetized area, so that magnetic powder is adsorbed in rejected region, then using black
Light light irradiation is applied to the fluorescence magnetic flaw detection ink 13s of piece surface；
S4 flaw detection: using electromagnetic probe, from the top of piece surface, movement is detected a flaw to the lower part；
The observation of S5 magnetic trace and record: the magnetic trace of piece surface is observed, and carries out magnetic trace record.
Further, kerosene is made of following component according to weight ratio in the step S1:
13 parts of C 4 olefin；
7 parts of iso-butane；
9 parts of n-undecane；
8 parts of 2- methyl dodecane；
11 parts of Isocrotyl acylamide isoheptyl ester；
7 parts of dimethylbenzene.
Specifically, the step S4 electromagnetic probe is rotatable.
Specifically, the step S4 electromagnetic probe end face keeps again being powered to electromagnetic probe after well contacting and visit with part
Wound.
Specifically, the fluorescence Particle content in the step S3 is 0.9g/L.
Embodiment 3
A kind of magnetic powder detection method connecting class product, comprising the following steps:
S1 pretreatment: the greasy dirt and impurity of piece surface are removed using kerosene, then washes with water rear drying for standby；
S2 magnetization: probe being powered after magnetization close to part, parts locally is magnetized, and wherein the revolving speed of electric coil is 17r/
min；
S3 applies magnetic flaw detection ink: applying fluorescence magnetic flaw detection ink to part magnetized area, so that magnetic powder is adsorbed in rejected region, then using black
Light light irradiation is applied to the fluorescence magnetic flaw detection ink 15s of piece surface；
S4 flaw detection: using electromagnetic probe, from the top of piece surface, movement is detected a flaw to the lower part；
The observation of S5 magnetic trace and record: the magnetic trace of piece surface is observed, and carries out magnetic trace record.
Further, kerosene is made of following component according to weight ratio in the step S1:
14 parts of C 4 olefin；
8 parts of iso-butane；
11 parts of n-undecane；
10 parts of 2- methyl dodecane；
12 parts of Isocrotyl acylamide isoheptyl ester；
8 parts of dimethylbenzene.
Specifically, the step S4 electromagnetic probe is rotatable.
Specifically, the step S4 electromagnetic probe end face keeps again being powered to electromagnetic probe after well contacting and visit with part
Wound.
Specifically, the fluorescence Particle content in the step S3 is 1g/L.
Embodiment 4
A kind of magnetic powder detection method connecting class product, comprising the following steps:
S1 pretreatment: the greasy dirt and impurity of piece surface are removed using kerosene, then washes with water rear drying for standby；
S2 magnetization: probe being powered after magnetization close to part, parts locally is magnetized, and wherein the revolving speed of electric coil is 15-20r/
min；
S3 applies magnetic flaw detection ink: applying fluorescence magnetic flaw detection ink to part magnetized area, so that magnetic powder is adsorbed in rejected region, then using black
Light light irradiation is applied to the fluorescence magnetic flaw detection ink 16s of piece surface；
S4 flaw detection: using electromagnetic probe, from the top of piece surface, movement is detected a flaw to the lower part；
The observation of S5 magnetic trace and record: the magnetic trace of piece surface is observed, and carries out magnetic trace record.
Further, kerosene is made of following component according to weight ratio in the step S1:
14 parts of C 4 olefin；
11 parts of iso-butane；
12 parts of n-undecane；
13 parts of 2- methyl dodecane；
13 parts of Isocrotyl acylamide isoheptyl ester；
9 parts of dimethylbenzene.
Specifically, the step S4 electromagnetic probe is rotatable.
Specifically, the step S4 electromagnetic probe end face keeps again being powered to electromagnetic probe after well contacting and visit with part
Wound.
Specifically, the fluorescence Particle content in the step S3 is 1.1g/L.
Embodiment 5
A kind of magnetic powder detection method connecting class product, comprising the following steps:
S1 pretreatment: the greasy dirt and impurity of piece surface are removed using kerosene, then washes with water rear drying for standby；
S2 magnetization: probe being powered after magnetization close to part, parts locally is magnetized, and wherein the revolving speed of electric coil is 20r/
min；
S3 applies magnetic flaw detection ink: applying fluorescence magnetic flaw detection ink to part magnetized area, so that magnetic powder is adsorbed in rejected region, then using black
Light light irradiation is applied to the fluorescence magnetic flaw detection ink 18s of piece surface；
S4 flaw detection: using electromagnetic probe, from the top of piece surface, movement is detected a flaw to the lower part；
The observation of S5 magnetic trace and record: the magnetic trace of piece surface is observed, and carries out magnetic trace record.
Further, kerosene is made of following component according to weight ratio in the step S1:
15 parts of C 4 olefin；
12 parts of iso-butane；
13 parts of n-undecane；
15 parts of 2- methyl dodecane；
14 parts of Isocrotyl acylamide isoheptyl ester；
10 parts of dimethylbenzene.
Specifically, the step S4 electromagnetic probe is rotatable.
Specifically, the step S4 electromagnetic probe end face keeps again being powered to electromagnetic probe after well contacting and visit with part
Wound.
Specifically, the fluorescence Particle content in the step S3 is 0.8g/L.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (6)
1. a kind of magnetic powder detection method for connecting class product, which comprises the following steps:
S1 pretreatment: the greasy dirt and impurity of piece surface are removed using kerosene, then washes with water rear drying for standby；
S2 magnetization: probe is powered after magnetization close to part, parts locally is magnetized；
S3 applies magnetic flaw detection ink: applying fluorescence magnetic flaw detection ink to part magnetized area, so that magnetic powder is adsorbed in rejected region, then using black
Light light irradiation is applied to the fluorescence magnetic flaw detection ink 12-18s of piece surface；
S4 flaw detection: using electromagnetic probe, from the top of piece surface, movement is detected a flaw to the lower part；
The observation of S5 magnetic trace and record: the magnetic trace of piece surface is observed, and carries out magnetic trace record.
2. a kind of magnetic powder detection method for connecting class product according to claim 1, which is characterized in that the step
Kerosene is made of following component according to weight ratio in S1:
12-15 parts of C 4 olefin；
6-12 parts of iso-butane；
8-13 parts of n-undecane；
7-15 parts of 2- methyl dodecane；
10-14 parts of Isocrotyl acylamide isoheptyl ester；
6-10 parts of dimethylbenzene.
3. a kind of magnetic powder detection method for connecting class product according to claim 1, which is characterized in that the step
The revolving speed of hot-wire coil is 15-20r/min in S2.
4. a kind of magnetic powder detection method for connecting class product according to claim 1, which is characterized in that the step
S4 electromagnetic probe is rotatable.
5. a kind of magnetic powder detection method for connecting class product according to claim 1, which is characterized in that the step
S4 electromagnetic probe end face keeps again being powered to electromagnetic probe after well contacting and detect a flaw with part.
6. a kind of magnetic powder detection method for connecting class product according to claim 1, which is characterized in that the step
Fluorescence Particle content in S3 is 0.8-1.2g/L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910182540.9A CN109884173B (en) | 2019-03-12 | 2019-03-12 | Magnetic powder inspection method for connection products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910182540.9A CN109884173B (en) | 2019-03-12 | 2019-03-12 | Magnetic powder inspection method for connection products |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109884173A true CN109884173A (en) | 2019-06-14 |
| CN109884173B CN109884173B (en) | 2023-03-28 |
Family
ID=66931791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910182540.9A Active CN109884173B (en) | 2019-03-12 | 2019-03-12 | Magnetic powder inspection method for connection products |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109884173B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3951881A (en) * | 1973-05-16 | 1976-04-20 | Rockwell International Corporation | Method of magnetic particle testing using strippable coatings |
| US4710232A (en) * | 1984-06-01 | 1987-12-01 | Tahbaz John A | Process for cleaning metal articles |
| CN1597835A (en) * | 2003-09-15 | 2005-03-23 | 中国石油化工股份有限公司 | Microemulsion oil-displacing agent |
| JP2009262090A (en) * | 2008-04-28 | 2009-11-12 | Asahi Kasei Chemicals Corp | Method for prewashing and washing equipment |
| CN104974801A (en) * | 2014-04-11 | 2015-10-14 | 中国石化扬子石油化工有限公司 | Modified kerosene composition |
| CN106525958A (en) * | 2016-10-31 | 2017-03-22 | 广州电力机车有限公司 | Spring maintenance method |
| JP2018044787A (en) * | 2016-09-12 | 2018-03-22 | マークテック株式会社 | Magnetic powder flaw detector and magnetic powder flaw detection method |
| CN108059974A (en) * | 2017-12-26 | 2018-05-22 | 山东汇丰石化集团有限公司 | The preparation method and preparation system of a kind of aviation kerosine |
| CN108120763A (en) * | 2017-11-27 | 2018-06-05 | 江阴市永兴机械制造有限公司 | A kind of high-frequency impulse magnetic powder inspection method |
-
2019
- 2019-03-12 CN CN201910182540.9A patent/CN109884173B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3951881A (en) * | 1973-05-16 | 1976-04-20 | Rockwell International Corporation | Method of magnetic particle testing using strippable coatings |
| US4710232A (en) * | 1984-06-01 | 1987-12-01 | Tahbaz John A | Process for cleaning metal articles |
| CN1597835A (en) * | 2003-09-15 | 2005-03-23 | 中国石油化工股份有限公司 | Microemulsion oil-displacing agent |
| JP2009262090A (en) * | 2008-04-28 | 2009-11-12 | Asahi Kasei Chemicals Corp | Method for prewashing and washing equipment |
| CN104974801A (en) * | 2014-04-11 | 2015-10-14 | 中国石化扬子石油化工有限公司 | Modified kerosene composition |
| JP2018044787A (en) * | 2016-09-12 | 2018-03-22 | マークテック株式会社 | Magnetic powder flaw detector and magnetic powder flaw detection method |
| CN106525958A (en) * | 2016-10-31 | 2017-03-22 | 广州电力机车有限公司 | Spring maintenance method |
| CN108120763A (en) * | 2017-11-27 | 2018-06-05 | 江阴市永兴机械制造有限公司 | A kind of high-frequency impulse magnetic powder inspection method |
| CN108059974A (en) * | 2017-12-26 | 2018-05-22 | 山东汇丰石化集团有限公司 | The preparation method and preparation system of a kind of aviation kerosine |
Non-Patent Citations (6)
| Title |
|---|
| KENNETH M. DOXSEE, ET AL.: "《绿色有机化学 理念和实验 strategies, tools, and laboratory experiments》", 30 November 2005, 华东理工大学出版社 * |
| 包增成: "荧光磁粉探伤法应用技术探讨", 《科技风》 * |
| 夏纪真: "《工业无损检测技术（磁粉检测）》", 31 July 2013, 中山大学出版社 * |
| 杨昭 等: "《油田化学》", 31 January 2016, 哈尔滨工业大学出版社 * |
| 樊森: "《产业循环链条100例》", 31 May 2014, 陕西科学技术出版社 * |
| 鲍顺尧等: "用灵敏度试片监控在用磁悬液的浓度", 《无损检测》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109884173B (en) | 2023-03-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Katoh et al. | Modeling of the yoke-magnetization in MFL-testing by finite elements | |
| CN101576450A (en) | Method for manufacturing surface crack defect test block for nondestructive flaw detection | |
| Chen et al. | A novel thermography-based dry magnetic particle testing method | |
| CN108120763A (en) | A kind of high-frequency impulse magnetic powder inspection method | |
| CN101825574A (en) | Solution and method for detecting ferrite pollution on surface of austenitic stainless steel | |
| CN203216904U (en) | Special-shaped part magnetic particle flaw detector | |
| CN103424467B (en) | A kind of steel pipe magnetic flaw detection automatic testing method and device | |
| CN109884173A (en) | A kind of magnetic powder detection method connecting class product | |
| JP2003344359A (en) | Method and apparatus for magnetic particle inspection | |
| JP4764199B2 (en) | Magnetic particle shape observation device | |
| CN110967397A (en) | Method for detecting serious segregation of sulfide in sulfur-containing medium carbon steel | |
| US8314611B2 (en) | Magnetic particle inspection apparatus and method | |
| USRE19611E (en) | Magnetic testing method and means | |
| CN115420743A (en) | Analysis method for inclusions in steel | |
| Huang et al. | Particles detection and analysis of hard disk substrate after cleaning of post chemical mechanical polishing | |
| US1960898A (en) | Magnetic testing method and means | |
| Göktepe | Investigation of and Components of the Magnetic Flux Leakage in Ferromagnetic Laminated Sample | |
| CN113340903A (en) | Rapid detection method for rolled steel plate layering | |
| CN207675700U (en) | Fluorescent magnetic particle inspection machine magnetizing system | |
| Lin et al. | Analysis of magnetic mark display in magnetic particle testing | |
| CN217638843U (en) | Steel rail flaw detection device based on GMI magnetic sensor | |
| CN216350490U (en) | Test block for magnetic particle testing longitudinal magnetization system performance inspection | |
| CN214225018U (en) | Special bent axle defectoscope of automobile engine refabrication | |
| Fukuoka et al. | Evaluation of magnetic particle amount and leakage flux density for quantitative evaluation of crack shape in magnetic particle testing | |
| CN109633492B (en) | Method for detecting welding magnetic blow sensitive magnetic induction strength of steel plate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |