CN102389912A - Warming forming online detection method and device - Google Patents
Warming forming online detection method and device Download PDFInfo
- Publication number
- CN102389912A CN102389912A CN2011102232279A CN201110223227A CN102389912A CN 102389912 A CN102389912 A CN 102389912A CN 2011102232279 A CN2011102232279 A CN 2011102232279A CN 201110223227 A CN201110223227 A CN 201110223227A CN 102389912 A CN102389912 A CN 102389912A
- Authority
- CN
- China
- Prior art keywords
- frequency
- output
- comparison result
- deformation quantity
- wavelength
- 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.)
- Pending
Links
Images
Abstract
The invention discloses a warming forming online detection method and device. The method comprises the steps of: acquiring a sound signal fed back by a processing material; and analyzing to obtain a frequency and a wavelength of the sound signal, comparing the obtained frequency and the wavelength with the prestored frequency threshold and the wavelength threshold, and then outputting a comparison result. The warming forming online detection method provided by the invention realizes the purposes of online rapidly detecting tissues, the hardness and the strength of the processing material by using sound fed back by the processing material or combining the deformation quality of acquired elastic force, has the characteristic of convenience for operation in comparison with the prior art that the processing material is detected by adopting a special detection instrument through specialized persons, can realize online detection of the processing material by knocking the processing material or applying the elastic force to the processing material by a site person, and has strong instantaneity.
Description
Technical field
The invention belongs to the heat treatment technics field, relate in particular to a kind of warm forming online test method and device.
Background technology
Current, safety, environmental protection, the energy-conservation theme that becomes auto manufacturing's development adopt high-strength steel plate stamping part to make vehicle body and both can alleviate car body weight, can improve security again, are to realize car body lightweight and the preferred approach that improves crashworthiness simultaneously.High-strength steel sheet, intensity are high more, more difficult shaping.Especially when intensity reached 1500MPa, conventional cold punching forming process almost can't be shaped.Therefore, the high accuracy drawing that how to realize high-strength steel sheet just becomes a technical barrier that presses for solution.
Warm forming technology (that is: drop stamping technology); It is a kind of advanced manufacturing technology that is specifically designed to shaping high strength stamping parts; Can be used to the stamping parts of fabrication strength, become the focus that numerous in the world automobile production manufacturer pays close attention at present, therefore up to 1600MPa; How the rapidoprint in the warm forming processing procedure being carried out quick online detection is the key factor that guarantees warm forming product quality and quality stability; And prior art adopts special-purpose detecting instrument that rapidoprint is detected through the professional, complicated operation, and real-time is poor.
Summary of the invention
The object of the present invention is to provide a kind of warm forming online test method, adopt special-purpose detecting instrument rapidoprint to be detected complicated operation, the problem of real-time difference to solve prior art.
The embodiment of the invention is achieved in that a kind of warm forming online test method, said method comprising the steps of:
Gather the voice signal of rapidoprint feedback;
Analysis obtains the frequency and the wavelength of said voice signal, and the said frequency that will obtain and wavelength and the frequency that prestores and wave-length coverage threshold value compare, and exports comparison result afterwards.
The step of said output comparison result specifically can for:
When in frequency that the said frequency that obtains and wavelength are prestoring and the wave-length coverage threshold value, output organization, hardness, the qualified signal of intensity; When the said frequency that obtains and wavelength exceed the frequency that prestores and wave-length coverage threshold value, output organization, hardness, the defective signal of intensity.
Before the step of said output comparison result, can also may further comprise the steps:
Gather the deformation quantity of rapidoprint under an elastic force;
Judge according to the size of said elastic force whether deformation quantity reaches the corresponding deformation quantity of elastic force that prestore, said.
The step of said output comparison result specifically can for:
In frequency and wave-length coverage threshold value that the said frequency that obtains and wavelength are prestoring, and the said deformation quantity of gathering is when reaching the corresponding deformation quantity of elastic force that prestore, said, output organization, hardness, the qualified signal of intensity; In the said frequency that obtains and wavelength surpass the frequency and wave-length coverage threshold value that prestore, and/or the said deformation quantity of gathering is not when reaching the corresponding deformation quantity of elastic force that prestore, said, output organization, hardness, the defective signal of intensity.
After the step of said output comparison result, can also comprise the step that shows said comparison result.
After the step of said output comparison result, can also may further comprise the steps:
According to the said comparison result of output, when output organization, hardness, the defective signal of intensity, control is sent corresponding rapidoprint into ash can.
The present invention also provides a kind of warm forming on-line measuring device, and said device comprises:
The sound signal collecting unit is used to gather the voice signal of rapidoprint feedback;
Analytic unit is used to analyze the frequency and the wavelength that obtain said voice signal;
Comparing unit, frequency that is used for said analytic unit is obtained and wavelength and the frequency that prestores and wave-length coverage threshold value are compared;
Output unit is used to export comparison result.
Said device can also comprise:
The deformation quantity collecting unit is used to gather the deformation quantity of rapidoprint under an elastic force;
Judging unit is used for judging according to the size of said elastic force whether deformation quantity reaches the corresponding deformation quantity of elastic force that prestore, said.
Said device can also comprise:
Display unit is used to the comparison result that shows that said output unit is exported.
Said device can also comprise:
Performance element is used for the said comparison result according to said output unit output, when output organization, hardness, the defective signal of intensity, corresponding rapidoprint is sent into ash can.
Warm forming online test method provided by the invention is utilized the sound of rapidoprint feedback; Or the deformation quantity of the elastic force of combination collection; Realize the purpose of on-line quick detection rapidoprint tissue, hardness and intensity; Adopt special-purpose detecting instrument that rapidoprint is detected compared to prior art through the professional, have characteristics easy and simple to handle, the Field Force is through knocking rapidoprint or rapidoprint being applied elastic force; Can realize online detection to material, and real-time.
Description of drawings
Fig. 1 is the flow chart of warm forming online test method provided by the invention;
Fig. 2 is the structure chart of warm forming on-line measuring device provided by the invention.
The specific embodiment
In order to make the object of the invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
As shown in Figure 1, warm forming online test method provided by the invention may further comprise the steps:
In step S101; Gather the voice signal of rapidoprint feedback; This voice signal both can manually knock rapidoprint by the Field Force and obtain, also can knock rapidoprint automatically and obtain through equipment, and when this voice signal be when knocking rapidoprint automatically and obtain through equipment; Can guarantee the uniformity of the dynamics of knocking, thereby guarantee the accuracy of testing result.
In step S102, analyze frequency and the wavelength obtain this voice signal, and the frequency that obtains and wavelength and the frequency that prestores and wave-length coverage threshold value are compared, export comparison result afterwards.
Wherein, the step of output comparison result is specially: when in frequency that the frequency that obtains and wavelength are prestoring and the wave-length coverage threshold value, and output organization, hardness, the qualified signal of intensity; When the frequency that obtains and wavelength exceed the frequency that prestores and wave-length coverage threshold value, output organization, hardness, the defective signal of intensity.
For reliability and the accuracy that improves testing result, the present invention can also may further comprise the steps before the step of output comparison result: gather the deformation quantity of rapidoprint under an elastic force; According to the size of this elastic force judge deformation quantity whether reach prestore, the corresponding deformation quantity of this elastic force.At this moment, the step of output comparison result is specially: in frequency and wave-length coverage threshold value that the frequency that obtains and wavelength are prestoring, and the deformation quantity of gathering reach prestore, during the corresponding deformation quantity of this elastic force, output organization, hardness, the qualified signal of intensity; In the frequency that obtains and wavelength surpass the frequency and wave-length coverage threshold value that prestore, and/or the deformation quantity of gathering do not reach prestore, during the corresponding deformation quantity of this elastic force, output organization, hardness, the defective signal of intensity.
Further, the Field Force is to the real time monitoring of testing result for ease, and the present invention can also comprise the step that shows this comparison result after the step of output comparison result.
In addition, the present invention can also may further comprise the steps after the step of output comparison result: according to the comparison result of output; When output organization, hardness, the defective signal of intensity; Control is sent corresponding rapidoprint into ash can, guaranteeing the online waste product that detects, practices thrift product process time.
As shown in Figure 2, warm forming on-line measuring device provided by the invention comprises:
Sound signal collecting unit 11 is used to gather the voice signal of rapidoprint feedback; Analytic unit 12 is used to analyze the frequency and the wavelength that obtain this voice signal; Comparing unit 13, frequency that is used for analytic unit 12 is obtained and wavelength and the frequency that prestores and wave-length coverage threshold value are compared; Output unit 14 is used to export comparison result.
Wherein, the step of output unit 14 output comparison results is specially: when in frequency that frequency that analytic unit 12 obtains and wavelength are prestoring and the wave-length coverage threshold value, and output unit 14 output organizations, hardness, the qualified signal of intensity; When frequency that obtains when analytic unit 12 and wavelength exceed the frequency that prestores and wave-length coverage threshold value, output unit 14 output organizations, hardness, the defective signal of intensity.
For the reliability and the accuracy that improve testing result, this device can also comprise: deformation quantity collecting unit 15 is used to gather the deformation quantity of rapidoprint under an elastic force; Judging unit 16, be used for according to the size of this elastic force judge deformation quantity whether reach prestore, the corresponding deformation quantity of this elastic force.At this moment; The step of output unit 14 output comparison results is specially: in frequency and wave-length coverage threshold value that frequency that analytic unit 12 obtains and wavelength are prestoring; And the deformation quantity of gathering reach prestore, during the corresponding deformation quantity of this elastic force, output unit 14 output organizations, hardness, the qualified signal of intensity; When frequency that analytic unit 12 obtains and wavelength surpass in the frequency and wave-length coverage threshold value that prestore, and/or the deformation quantity of gathering do not reach prestore, during the corresponding deformation quantity of this elastic force, output unit 14 output organizations, hardness, the defective signal of intensity.
Further, the Field Force is to the real time monitoring of testing result for ease, and this device can also comprise: display unit 17 is used to the comparison result that shows that output unit 14 is exported.
In addition, this device can also comprise: performance element 18, be used for comparison result according to output, and when output organization, hardness, the defective signal of intensity, corresponding rapidoprint is sent into ash can, guaranteeing the online waste product that detects, practice thrift product process time.
Warm forming online test method provided by the invention is utilized the sound of rapidoprint feedback; Or the deformation quantity of the elastic force of combination collection; Realize the purpose of on-line quick detection rapidoprint tissue, hardness and intensity; Adopt special-purpose detecting instrument that rapidoprint is detected compared to prior art through the professional, have characteristics easy and simple to handle, the Field Force is through knocking rapidoprint or rapidoprint being applied elastic force; Can realize online detection to material, and real-time.
The above; Be merely the preferable specific embodiment of the present invention; But protection scope of the present invention is not limited thereto; Any technical staff who is familiar with the present technique field is equal to replacement or change according to technical scheme of the present invention and inventive concept thereof in the technical scope that the present invention discloses, all should be encompassed within protection scope of the present invention.
Claims (10)
1. a warm forming online test method is characterized in that, said method comprising the steps of:
Gather the voice signal of rapidoprint feedback;
Analysis obtains the frequency and the wavelength of said voice signal, and the said frequency that will obtain and wavelength and the frequency that prestores and wave-length coverage threshold value compare, and exports comparison result afterwards.
2. warm forming online test method as claimed in claim 1 is characterized in that, the step of said output comparison result is specially:
When in frequency that the said frequency that obtains and wavelength are prestoring and the wave-length coverage threshold value, output organization, hardness, the qualified signal of intensity; When the said frequency that obtains and wavelength exceed the frequency that prestores and wave-length coverage threshold value, output organization, hardness, the defective signal of intensity.
3. warm forming online test method as claimed in claim 1 is characterized in that, and is before the step of said output comparison result, further comprising the steps of:
Gather the deformation quantity of rapidoprint under an elastic force;
Judge according to the size of said elastic force whether deformation quantity reaches the corresponding deformation quantity of elastic force that prestore, said.
4. warm forming online test method as claimed in claim 3 is characterized in that, the step of said output comparison result is specially:
In frequency and wave-length coverage threshold value that the said frequency that obtains and wavelength are prestoring, and the said deformation quantity of gathering is when reaching the corresponding deformation quantity of elastic force that prestore, said, output organization, hardness, the qualified signal of intensity; In the said frequency that obtains and wavelength surpass the frequency and wave-length coverage threshold value that prestore, and/or the said deformation quantity of gathering is not when reaching the corresponding deformation quantity of elastic force that prestore, said, output organization, hardness, the defective signal of intensity.
5. like each described warm forming online test method of claim 1 to 4, it is characterized in that, after the step of said output comparison result, also comprise the step that shows said comparison result.
6. like each described warm forming online test method of claim 1 to 4, it is characterized in that, after the step of said output comparison result, further comprising the steps of:
According to the said comparison result of output, when output organization, hardness, the defective signal of intensity, control is sent corresponding rapidoprint into ash can.
7. a warm forming on-line measuring device is characterized in that, said device comprises:
The sound signal collecting unit is used to gather the voice signal of rapidoprint feedback;
Analytic unit is used to analyze the frequency and the wavelength that obtain said voice signal;
Comparing unit, frequency that is used for said analytic unit is obtained and wavelength and the frequency that prestores and wave-length coverage threshold value are compared;
Output unit is used to export comparison result.
8. warm forming on-line measuring device as claimed in claim 7 is characterized in that, said device also comprises:
The deformation quantity collecting unit is used to gather the deformation quantity of rapidoprint under an elastic force;
Judging unit is used for judging according to the size of said elastic force whether deformation quantity reaches the corresponding deformation quantity of elastic force that prestore, said.
9. like claim 7 or 8 described warm forming on-line measuring devices, it is characterized in that said device also comprises:
Display unit is used to the comparison result that shows that said output unit is exported.
10. like claim 7 or 8 described warm forming on-line measuring devices, it is characterized in that said device also comprises:
Performance element is used for the said comparison result according to said output unit output, when output organization, hardness, the defective signal of intensity, corresponding rapidoprint is sent into ash can.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011102232279A CN102389912A (en) | 2011-08-04 | 2011-08-04 | Warming forming online detection method and device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011102232279A CN102389912A (en) | 2011-08-04 | 2011-08-04 | Warming forming online detection method and device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN102389912A true CN102389912A (en) | 2012-03-28 |
Family
ID=45857365
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2011102232279A Pending CN102389912A (en) | 2011-08-04 | 2011-08-04 | Warming forming online detection method and device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN102389912A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103398909A (en) * | 2013-08-05 | 2013-11-20 | 大连理工大学 | Method for acquiring metal temperature forming limit diagram (TFLD) and testing device therefor |
CN107796604A (en) * | 2016-09-06 | 2018-03-13 | 鞍钢股份有限公司 | A kind of stamping parts of automobile rigidity property evaluation method |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57114846A (en) * | 1981-01-07 | 1982-07-16 | Chugoku Electric Power Co Ltd:The | Detecting apparatus for abnormal sound |
CN101424665A (en) * | 2007-11-01 | 2009-05-06 | 本田技研工业株式会社 | Panel inspection apparatus and inspection method |
CN101509604A (en) * | 2009-03-20 | 2009-08-19 | 武汉大学 | Method and device for detecting and assessing deposit in metal pipe |
CN101623721A (en) * | 2008-12-01 | 2010-01-13 | 长春伟孚特汽车零部件有限公司 | Method and device for controlling on-line detection of warm-hot formation |
JP2010281806A (en) * | 2009-06-04 | 2010-12-16 | Nishinihon Kogyo Gaguen | Method and device for detecting abnormality in press molding |
-
2011
- 2011-08-04 CN CN2011102232279A patent/CN102389912A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57114846A (en) * | 1981-01-07 | 1982-07-16 | Chugoku Electric Power Co Ltd:The | Detecting apparatus for abnormal sound |
CN101424665A (en) * | 2007-11-01 | 2009-05-06 | 本田技研工业株式会社 | Panel inspection apparatus and inspection method |
CN101623721A (en) * | 2008-12-01 | 2010-01-13 | 长春伟孚特汽车零部件有限公司 | Method and device for controlling on-line detection of warm-hot formation |
CN101509604A (en) * | 2009-03-20 | 2009-08-19 | 武汉大学 | Method and device for detecting and assessing deposit in metal pipe |
JP2010281806A (en) * | 2009-06-04 | 2010-12-16 | Nishinihon Kogyo Gaguen | Method and device for detecting abnormality in press molding |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103398909A (en) * | 2013-08-05 | 2013-11-20 | 大连理工大学 | Method for acquiring metal temperature forming limit diagram (TFLD) and testing device therefor |
CN107796604A (en) * | 2016-09-06 | 2018-03-13 | 鞍钢股份有限公司 | A kind of stamping parts of automobile rigidity property evaluation method |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN105841797B (en) | A kind of Car window electric machine extraordinary noise detection method and device based on MFCC and SVM | |
JP4632794B2 (en) | Quality control method for industrial process | |
CN102589490B (en) | Ultrasonic wave detection device for thinning rate of body in white | |
CN102331455B (en) | Engineering structure damage monitoring method based on active Lamb wave damage index | |
WO2006122232A3 (en) | Methods and apparatus for imaging with magnetic induction | |
WO2009081379A3 (en) | Magnetic resonance safety monitoring systems and methods | |
CN103926274A (en) | Infrared thermal wave radar imaging nondestructive testing method and system for defects of carbon fiber reinforced plastic (CFRP) plywood | |
US11927563B2 (en) | Smart acoustic information recognition-based welded weld impact quality determination method and system | |
JP2011217914A5 (en) | SUBJECT INFORMATION ACQUISITION DEVICE, CONTROL METHOD AND PROGRAM FOR SUBJECT INFORMATION ACQUISITION DEVICE | |
CN103866111A (en) | Elimination method for welding residual stress | |
CA2797448A1 (en) | Method and device for quality assessment of an electrical impedance measurement on tissue | |
CN102389912A (en) | Warming forming online detection method and device | |
EP2530621A3 (en) | Spectrometer calibration system and method | |
CN101623721A (en) | Method and device for controlling on-line detection of warm-hot formation | |
KR102007494B1 (en) | System for inspecting welding quality of weld zone using ultrasonic | |
WO2006024819A3 (en) | A method of analysing a sample and apparatus therefor | |
CN100545651C (en) | Ceramic carrier embrittlement detection method in the ternary catalytic converter assembly | |
CN103115961A (en) | Waterproof coil overlap joint seam quality detection method and instrument based on B ultrasounds | |
WO2010033991A3 (en) | Detection of human somatic cell reprogramming | |
CN208147865U (en) | A kind of sound recognition system applied to robot used for intelligent substation patrol | |
Akseli et al. | Real-time acoustic elastic property monitoring of compacts during compaction | |
Kang et al. | A cepstral analysis of breathy voice with vocal fold paralysis | |
CN110174221A (en) | A kind of transformer body leakage of oil status monitoring appraisal procedure and system | |
CN103954621A (en) | Off-line portable nondestructive test apparatus for rapidly detecting quality of fresh livestock meat | |
Kang et al. | An aerodynamic and acoustic analysis of the breathy voice of thyroidectomy patients |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C12 | Rejection of a patent application after its publication | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120328 |