CN103884773B - A kind of rim for automobile wheel automatic ultrasonic flaw-detecting method - Google Patents
A kind of rim for automobile wheel automatic ultrasonic flaw-detecting method Download PDFInfo
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- CN103884773B CN103884773B CN201410058348.6A CN201410058348A CN103884773B CN 103884773 B CN103884773 B CN 103884773B CN 201410058348 A CN201410058348 A CN 201410058348A CN 103884773 B CN103884773 B CN 103884773B
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Abstract
The invention provides a kind of finished wheel automatic ultrasonic flaw-detecting method being applied to wheel technical field, the step of described method of detection comprises: flaw detection probe I and flaw detection probe II carry out data acquisition to the wheel rim inherent vice that tread I and the medial surface I of rim for automobile wheel comprise respectively, then probe I of detecting a flaw carries out data acquisition to the wheel rim inside that finished wheel wheel rim tread II and medial surface II comprise respectively with flaw detection probe II, spline wheel is taken turns data with defectoscope and finished wheel data contrast, finished wheel data are within spline wheel wheel data area, then finished wheel meets the requirements, finished wheel data exceed within wheel sample data area, then finished wheel is undesirable, by method of detection of the present invention, can be accurately, quickly UT (Ultrasonic Testing) is carried out to the finished wheel wheel rim inside on production line, reduce finished product rim for automobile wheel inherent vice rate of failing to report, improve the quality of products.
Description
Technical field
The invention belongs to wheel production technical field, more particularly, relate to a kind of finished wheel automatic ultrasonic flaw-detecting method.
Background technology
Due to the kind of finished wheel more (more than 100 plant), the rim for automobile wheel size (wheel rim thickness, width) of same external diameter is not identical yet, each kind can not prepare a sample wheel.But in the production of finished wheel, need to carry out ultrasound examination to rim for automobile wheel inherent vice, thus guarantee the satisfactory quality of finished wheel.In prior art, the adjustment of finished wheel automatic ultrasonic flaw-detecting probe and calibration operation mainly rely on experience and the level of skill of self of operative employee, because the level of skill of each operative employee is different, cause the unified standard of the verifying work neither one of ultrasonic flaw-detecting machine, the effect of verification is also different, testing result after directly having had influence on, the undetected frequent generation of wheel rim inherent vice.
Summary of the invention
Technical matters to be solved by this invention is: not enough for prior art, there is provided a kind of and can carry out UT (Ultrasonic Testing) to the finished wheel wheel rim inside on production line quickly and easily, ensure that the defect to finished wheel exists can not occur undetected, reduce defect rate of failing to report, the wheel automatic ultrasonic flaw-detecting method of finally improving the quality of products.
Solve above-described technical matters, the technical scheme that the present invention takes is:
The present invention is a kind of wheel automatic ultrasonic flaw-detecting method, and the step of described method of detection comprises:
Rim for automobile wheel automatic ultrasonic flaw-detecting method, the step of described method of detection comprises:
1) sample that makes wheels wheel wheel rim, spline wheel wheel wheel rim comprises tread I and medial surface I, and described tread I corresponds to radial multiple artificial defect and medial surface I is all arranged within satisfactory scope corresponding to axial multiple artificial defect;
2) arrange multiple flaw detection probe I (4) and multiple flaw detection probe II respectively near the spline wheel wheel tread I of wheel rim and the position of medial surface I, described flaw detection probe I and flaw detection probe II carry out flaw detection and data acquisition to the multiple artificial defect of axis corresponding to tread I and medial surface I and the multiple artificial defect of radial direction respectively;
3) multiple flaw detection probe I and multiple flaw detection probe II are placed on respectively the tread II near finished wheel wheel rim and medial surface II position, the finished wheel wheel rim inherent vice that flaw detection probe I and flaw detection probe II comprise tread II and medial surface II respectively carries out flaw detection and data acquisition;
4) spline wheel wheel rim data and finished wheel wheel rim data are contrasted, finished wheel wheel rim data are within spline wheel wheel wheel rim data area, then finished wheel wheel rim meets the requirements, finished wheel wheel rim data exceed within spline wheel wheel wheel rim data area, then finished wheel wheel rim is undesirable.
Preferably, described finished wheel is on automatic production line, the finished wheel wheel rim detecting position of production line installs probe bracket I and probe bracket II, flaw detection probe I and flaw detection probe II are arranged on probe bracket I and probe bracket II respectively, and flaw detection probe I and flaw detection probe II are set to the structure can distinguishing adjusting position and angle.
Preferably, described multiple flaw detection probes I are set to the structure of the tread II that can cover finished product rim for automobile wheel, and flaw detection probe II is set to the structure of the medial surface II that can cover finished product rim for automobile wheel.
Preferably, when the tread II of described multiple flaw detection probes I pair of finished wheel wheel rim is detected a flaw, described finished wheel is set to the structure can rotated on rotary carrier roller, when the medial surface II of multiple flaw detection probes II pair of finished wheel wheel rim is detected a flaw, finished wheel is set to the structure can rotated on rotary carrier roller.
Preferably, when the tread II of described multiple flaw detection probes I pair of finished wheel wheel rim is detected a flaw, the coverage rate of multiple flaw detection probe I is set to partly overlapping structure, when the medial surface II of multiple flaw detection probes II pair of finished wheel wheel rim is detected a flaw, the coverage rate of multiple flaw detection probe II is set to partly overlapping structure.
Preferably, after the wheel rim inherent vice that described flaw detection probe I and flaw detection probe II comprise tread I and medial surface I respectively carries out data acquisition, data are stored in the defectoscope that is attached thereto, after the wheel rim inherent vice that flaw detection probe I and flaw detection probe II comprise tread II and medial surface II respectively carries out data acquisition, the data that the data of finished wheel wheel rim and spline wheel take turns wheel rim contrast by the described defectoscope be attached thereto.
Preferably, when the data that the data of finished wheel wheel rim and spline wheel are taken turns wheel rim by described defectoscope contrast, finished wheel wheel rim is satisfactory, and production line advances automatically, and next finished wheel proceeds to and detects position, finished wheel wheel rim is undesirable, defectoscope automatic alarm, production line does not readvance, and site operation personnel takes down undesirable finished wheel, defectoscope is reported to the police and is automatically terminated, and production line advances automatically.
Preferably, when the wheel rim inherent vice that described flaw detection probe I and flaw detection probe II comprise tread II and medial surface II respectively carries out data acquisition, flaw detection probe I and flaw detection reference point I H2 of probe II relative to finished wheel wheel rim and the position of reference point II D1, to take turns the reference point I on wheel rim relative to spline wheel identical with the position one_to_one corresponding of reference point II with flaw detection probe I and probe II 5 of detecting a flaw.
Preferably, described flaw detection probe I and flaw detection probe II are all set to adjust installation site and relative to the structure adjusting angle within the scope of 30 °, upright position.
Adopt technical scheme of the present invention, following beneficial effect can be obtained:
Wheel automatic ultrasonic flaw-detecting method of the present invention, probe bracket is installed at the detecting position of automatic assembly line, probe bracket is installed respectively flaw detection probe I and flaw detection probe II, flaw detection probe I and flaw detection probe II are controlled by defectoscope, by above-mentioned structure and method, flaw detection probe I and flaw detection probe II carry out data acquisition to the wheel rim inherent vice that tread I and medial surface I comprise respectively, then probe I of detecting a flaw carries out data acquisition to the wheel rim inherent vice that tread II and medial surface II comprise respectively with flaw detection probe II, spline wheel is taken turns data with defectoscope and finished wheel data contrast, finished wheel data are within spline wheel wheel data area, then finished wheel meets the requirements, finished wheel data exceed within spline wheel wheel data area, then finished wheel is undesirable, so, by rim for automobile wheel automatic ultrasonic flaw-detecting method of the present invention, UT (Ultrasonic Testing) can be carried out quickly and easily to the finished wheel wheel rim inside on production line, thus reduce finished product rim for automobile wheel inherent vice rate of failing to report, ensure that the defect to finished wheel wheel rim exists can not occur undetected, final raising wheel product quality.
Accompanying drawing explanation
Brief description is made to the content expressed by each accompanying drawing of this instructions and the mark in figure below:
Fig. 1 is the partial structurtes schematic diagram of spline wheel of the present invention wheel wheel rim when carrying out UT (Ultrasonic Testing);
Fig. 2 is the partial structurtes schematic diagram of finished wheel wheel rim of the present invention when carrying out UT (Ultrasonic Testing);
Fig. 3 is the structural representation of finished wheel of the present invention when detecting a flaw;
Fig. 4 is the distribution plan of axially multiple artificial defect;
Fig. 5 is the distribution plan of radial multiple artificial defect;
Accompanying drawing acceptance of the bid note is respectively: 1, spline wheel wheel wheel rim; 2, tread I; 3, medial surface I; 4, flaw detection probe I; 5, flaw detection probe II; 6, finished wheel wheel rim; 7, tread II; 8, medial surface II; 9, rotary carrier roller; 10, probe bracket I; 11, probe bracket II; 12, defectoscope; 13, the axial artificial defect of spline wheel wheel wheel rim; 14, the radial artificial defect of spline wheel wheel wheel rim; 15, finished wheel.
Embodiment
Contrast accompanying drawing below, by the description to embodiment, the effect and principle of work etc. of the specific embodiment of the present invention as the mutual alignment between the shape of involved each component, structure, each several part and annexation, each several part are described in further detail:
As shown in accompanying drawing 1-accompanying drawing 5, the present invention is a kind of rim for automobile wheel automatic ultrasonic flaw-detecting method, it is characterized in that: the step of described method of detection comprises:
1) sample that makes wheels wheel wheel rim 1, spline wheel wheel wheel rim 1 comprises tread I 2 and medial surface I 3, and described tread I 2 corresponds to radial multiple artificial defect 14 and medial surface I 3 is all arranged within satisfactory scope corresponding to axial multiple artificial defect 13;
2) arrange multiple flaw detection probe I 4 and multiple flaw detection probe II 5 respectively near the spline wheel wheel tread I 2 of wheel rim 1 and the position of medial surface I 3, described flaw detection probe I 4 and flaw detection probe II 5 carry out flaw detection and data acquisition to the multiple artificial defect of axis 13 corresponding to tread I 2 and medial surface I 3 and the multiple artificial defect 14 of radial direction respectively;
3) multiple flaw detection probe I 4 and multiple flaw detection probe II 5 are placed on respectively the tread II 7 near finished wheel wheel rim 6 and medial surface II 8 position, finished wheel wheel rim 6 inherent vice that flaw detection probe I 4 and flaw detection probe II 5 comprise tread II 7 and medial surface II 8 respectively carries out flaw detection and data acquisition;
4) spline wheel wheel rim 1 data and finished wheel wheel rim 6 data are contrasted, finished wheel wheel rim 6 data are within spline wheel wheel wheel rim 1 data area, then finished wheel wheel rim 6 meets the requirements, finished wheel wheel rim 6 data exceed within wheel sample wheel rim 1 data area, then finished wheel wheel rim 6 is undesirable.
Preferably, described finished wheel 15 is on automatic production line, finished wheel wheel rim 6 detecting position of production line installs probe bracket I 10 and probe bracket II 11, flaw detection probe I 4 and flaw detection probe II 5 are arranged on probe bracket II 11 and probe bracket I 10 respectively, and flaw detection probe I 4 and flaw detection probe II 5 are set to the structure can distinguishing adjusting position and angle.
Preferably, described multiple flaw detection probes I 4 are set to the structure of the tread II 7 that can cover finished product rim for automobile wheel 6, and flaw detection probe II 5 is set to the structure of the medial surface II 8 that can cover finished product rim for automobile wheel 6.
Preferably, when the tread II 7 of described multiple flaw detection probes I 4 pairs of finished wheel wheel rims 6 is detected a flaw, described finished wheel 15 is set to the structure can rotated on rotary carrier roller 9, when the medial surface II 8 of described multiple flaw detection probes II 5 pairs of finished wheel wheel rims 6 is detected a flaw, described finished wheel 15 is set to the structure can rotated on rotary carrier roller 9.
Preferably, when the tread II 7 of described multiple flaw detection probes I 4 pairs of finished wheel wheel rims 6 is detected a flaw, the coverage rate of multiple flaw detection probe I 4 is set to partly overlapping structure, when the medial surface II 8 of multiple flaw detection probes II 5 pairs of finished wheel wheel rims 6 is detected a flaw, the coverage rate of multiple flaw detection probe II 5 is set to partly overlapping structure.
Preferably, after the wheel rim inherent vice that described flaw detection probe I 4 and flaw detection probe II 5 comprise tread I 2 and medial surface I 3 respectively carries out data acquisition, described data are stored in the defectoscope 12 that is attached thereto, after the wheel rim inherent vice that flaw detection probe I 4 and flaw detection probe II 5 comprise tread II 7 and medial surface II 8 respectively carries out data acquisition, the data that the data of finished wheel wheel rim 6 and spline wheel take turns wheel rim 1 contrast by the described defectoscope 12 be attached thereto.
Preferably, when the data that the data of finished wheel wheel rim 6 and spline wheel are taken turns wheel rim 1 by described defectoscope 12 contrast, finished wheel wheel rim 6 is satisfactory, and production line advances automatically, and next finished wheel 15 proceeds to detecting position, finished wheel wheel rim 6 is undesirable, defectoscope 12 automatic alarm, production line does not readvance, and site operation personnel takes down undesirable finished wheel 15, defectoscope 12 is reported to the police and is automatically terminated, and production line advances automatically.Production line is pipelining, and method of the present invention is directly in production line application.
Preferably, when the wheel rim inherent vice that described flaw detection probe I 4 and flaw detection probe II 5 comprise tread II 7 and medial surface II 8 respectively carries out data acquisition, flaw detection probe I 4 and detect a flaw reference point I H2 of probe II 5 relative to finished wheel wheel rim 6 and the position of reference point II D1, reference point I H2 taken turns on wheel rim 1 relative to spline wheel with flaw detection probe I 4 and probe II 5 of detecting a flaw is identical with the position one_to_one corresponding of reference point II D1.That is: detect a flaw probe I 4 and flaw detection probe II 5 and spline wheel take turns relative position between wheel rim, and flaw detection probe I 4 and probe II 5 of detecting a flaw identical with the relative position between finished wheel wheel rim.
Preferably, described flaw detection probe I 4 and flaw detection probe II 5 are all set to adjust installation site and relative to the structure adjusting angle within the scope of 30 °, upright position.Such structure, can adjust the covering position of flaw detection probe I 4 and flaw detection probe II 5 as required flexibly, thus guarantees that flaw detection probe I 4 and flaw detection probe II 5 can be adapted to the finished wheel of different size when detecting, and improves the versatility of popping one's head in.
The testing process of rim for automobile wheel automatic ultrasonic flaw-detecting method of the present invention is as described below:
Spline wheel takes turns the detecting position entered on production line, the flaw detection probe I 4 of detecting position takes turns tread I 2 position of wheel rim 1 on probe bracket II 11 to spline wheel by cylinder moving, utilize the control assembly of probe can finely tune the right position of flaw detection probe I 4 on tread I 2; Flaw detection probe II 5 takes turns medial surface I 3 position of wheel rim 1 on probe bracket I 10 to spline wheel by cylinder moving, utilize the control assembly of probe can finely tune the upper-lower position of probe I 4 on medial surface I 3.Spline wheel wheel rotates on rotary carrier roller 9, pops one's head in motionless, and probe is taken turns between wheel rim 1 surface of contact with spline wheel and is coupled by water layer, and water layer thickness is about 0.3 ~ 0.8mm.
Flaw detection probe I 4 is the frame-type probe of multiple independent probe combination, comprises 9# ~ 16# probe; Flaw detection probe II 5 is the frame-type probe of multiple independent probe combination, comprises 1# ~ 8# probe.In two groups of probes, 7#, 8# probe can move up and down in framework, and other probe position in framework is fixed.
Spline wheel wheel wheel rim 1 comprises axially multiple artificial defect 13 and the multiple artificial defect 14 of radial direction.Artificial defect is the flat-bottom hole of the same diameter of machine tooling.
Spline wheel wheel rotates on rotary carrier roller 9, flaw detection probe I 4 should be able to ensure to detect the multiple artificial defect 14 of all radial directions on tread I 2,9# ~ 16# probe arranges respective warning gate in the defectoscope 12 be attached thereto, flaw detection probe II 5 should be able to ensure that on medial surface I 3 detect the multiple artificial defect of all axis 13,1# ~ 8# probe arranges respective warning gate in the defectoscope 12 be attached thereto.
Carry out flaw detection and data acquisition to axial multiple artificial defect 13 and the multiple artificial defect 14 of radial direction respectively by flaw detection probe I 4 and flaw detection probe II 5, then spline wheel wheel leaves carrying roller 9, and data are used for contrast.
Then finished wheel 15 enters detecting position, and rotary carrier roller 9 rotates, and flaw detection probe I 4 and flaw detection probe II 5 are on tread II 7 and medial surface II 8, middle with water coincidence.Defectoscope carries out data acquisition to finished wheel wheel rim 6 inside, and with sample is taken turns to the data measured when wheel rim 1 detects and contrasts, if defectoscope 12 automatic alarm, represent that finished product rim for automobile wheel 6 is undesirable, if defectoscope 12 is not reported to the police, then represent that finished product rim for automobile wheel 6 meets the requirements.
Due to sample wheel wheel rim 1 and finished wheel wheel rim 6, wheel rim height dimension may be different diametrically; Rim width size may be different in the axial direction; May tread curvature be made different because wheel external diameter is different diametrically; Material (attenuation coefficient) may be different; Surfaceness may be different, therefore in order to make each probe ensure when detecting finished wheel wheel rim, sensitivity when taking turns wheel rim with detection sample is identical, when calibrating sample wheel, the good coupling of flaw detection probe and respective surface of contact should be kept, and understand the concrete condition of finished wheel wheel rim 6.
Concrete steps are as follows:
1. calibration flaw detection probe II 5:
1) 1# that first adjustment is detected a flaw in probe II 5 pops one's head in.Move up and down flaw detection probe II 5, with the D1 in sample wheel wheel rim 1 for reference point, avoid the impact of D1 chamfering structure, now under 1# probe, occur the axis " index aperture 2 " near D1 place 5mm in sample wheel wheel rim 1, occur the waveform of " index aperture 2 " in defectoscope 12, adjustment makes it reach warning gate height.
2) different from the height that wheel rim 1 taken turns by sample according to being visited finished wheel wheel rim 6, according to the 2# ~ 6# probe in following method adjustment flaw detection probe II 5
● by spy finished wheel wheel rim 6 height=sample wheel wheel rim 1 height: adjusted 2# ~ 6# probe successively, the artificial defect ripple occurred in 2# ~ 6# probe in adjustment defectoscope 12, makes it highly all reach warning gate, and close unnecessary probe.
● visited finished wheel wheel rim 6 height > sample wheel wheel rim 1 height: such as: the size of height=3.5 probe of sample wheel wheel rim 1, the size of height=5.5 probe of finished wheel wheel rim 6.Flaw detection probe II 5 is motionless, adjusts 2#, 3# probe successively, makes the artificial defect wave height occurred in 2#, 3# probe in defectoscope 12 all reach warning gate.
Move down flaw detection probe II 5,4# is popped one's head in and is positioned at the position of original 2# probe, adjust 4#, 5# probe successively, make the artificial defect wave height occurred in 4#, 5# probe in defectoscope 12 all reach warning gate.
Close 6# probe.
● by spy finished wheel wheel rim 6 height < sample wheel wheel rim 1 height:
Such as: the size of height=4.5 probe of sample wheel wheel rim 1, the size of height=3.5 probe of finished wheel wheel rim 6.
Flaw detection probe II 5 is motionless, has adjusted 2#, 3# probe, makes the artificial defect wave height occurred in 2#, 3# probe in defectoscope 12 all reach warning gate.
Close 4# ~ 6# probe.
Must not it should be noted that during above-mentioned calibration and make controlled probe near the up-and-down boundary of sample wheel wheel rim 1, avoid causing side-wall interference, make probe sensitivity when the calibration of sample wheel is detected a flaw with finished wheel inconsistent.
It shall yet further be noted that during above-mentioned calibration when certain probe does not cover on sample wheel wheel rim 1 completely, this probe should be closed, avoid causing noise jamming.
3) 7#, 8# probe in adjustment flaw detection probe II 5: move up and down flaw detection probe II 5, with D point in sample wheel wheel rim 1 for reference point, avoid the impact of tread I 2 structure, now there is the axis " index aperture 1 " near tread 5mm in sample wheel wheel rim 1 under 8# probe, there is the waveform of " index aperture 1 " in defectoscope 12, make it reach warning gate height.Then adjust the artificial defect occurred in 7# probe in defectoscope 12, make its wave height reach warning gate.
4) different from the width that wheel rim 1 taken turns by sample owing to being visited finished wheel wheel rim 6, according to formula (⊿ dB=40lg [finished wheel wheel rim 6 width/sample wheel wheel rim 1 width]) carry out compensation for acoustic distance.Such as: the width=140mm of wheel rim 6, the width=120mm of wheel rim 1, according to formula, the probe used should improve 3dB on defectoscope 12, makes each position of finished wheel wheel rim 6 keep enough sensitivity.
5) measure finished wheel wheel rim 6 and sample in advance and take turns the difference that the material attenuation coefficient of wheel rim 1 and surfaceness cause, according to formula (⊿ dB=20lg [the once end wave height of wheel rim 1 taken turns by once end wave height/sample of finished wheel wheel rim 6]) compensate.Such as, the once end wave height of finished wheel wheel rim 6 is 50%, and the once end wave height of sample wheel wheel rim 1 is 100%, and according to formula, the probe used should improve 6dB on defectoscope 12, makes each position of finished wheel wheel rim 6 keep enough sensitivity.
Flaw detection probe II 5 completes the calibration to sample wheel wheel rim 1.
2. calibration flaw detection probe I 4:
1) 9# that first adjustment is detected a flaw in probe I 4 pops one's head in.Move left and right flaw detection probe I 4, with the H2 in sample wheel wheel rim 1 for reference point, avoid the impact of H2 chamfering structure, now under 9# probe, occur the radial first man work defect near H2 place 5mm in sample wheel wheel rim 1, occur the waveform of artificial defect in defectoscope 12, adjustment makes it reach warning gate height.
2) 10# ~ 16# that adjustment is detected a flaw in probe I 4 successively pops one's head in, and makes the artificial defect wave height occurred in 10# ~ 16# probe in defectoscope 12 all reach warning gate.With calibration detect a flaw probe II 5 time identical, take turns the different of wheel rim 1 width according to finished wheel wheel rim 6 and sample, close unnecessary probe.
3) different from the height that wheel rim 1 taken turns by sample owing to being visited finished wheel wheel rim 6, according to formula (⊿ dB=40lg [finished wheel wheel rim 6 height/sample wheel wheel rim 1 height]) carry out compensation for acoustic distance.Such as: the height=90mm of wheel rim 6, the height=70mm of wheel rim 1, according to formula, the probe used should improve 4dB on defectoscope 12, makes each position of finished wheel wheel rim 6 keep enough sensitivity.
4) defectoscope 12 improves 2 ~ 4dB, to compensate the difference because material attenuation coefficient and surfaceness cause, makes each position of finished wheel wheel rim 6 keep enough sensitivity.
5) owing to being taken turns wheel rim 1 tread curvature different (because both external diameters are different) by spy finished wheel wheel rim 6 and sample, should carry out suitable curvature compensation, offset is generally 1 ~ 3dB.Such as finished wheel external diameter is 840mm, and sample wheel external diameter is 915mm, and when detecting finished wheel, defectoscope 12 should improve 1dB, makes each position of finished wheel wheel rim 6 keep enough sensitivity.
Flaw detection probe I 4 completes the calibration to sample wheel wheel rim 1.
3. sample wheel leaves rotary carrier roller, and finished wheel 15 enters detection station.
4. the position of adjustment flaw detection probe II 5:
1) move up and down flaw detection probe 5, with the D1 in finished wheel wheel rim 6 for reference point, avoid the impact of D1 chamfering structure, ensure that probe is fully coupled with finished wheel wheel rim 6.
2) probe II 5 of detecting a flaw is motionless, with D in finished wheel wheel rim 1 for reference point, avoids the impact of tread II 7 structure.
5. the position of adjustment flaw detection probe I 4.
Move left and right flaw detection probe I 4, with the H2 in finished wheel wheel rim 6 for reference point, avoid the impact of H2 chamfering structure, ensure that probe is fully coupled with finished wheel wheel rim 6.
6. the probe in all flaw detection probes I 4 and II 5 improves 6dB in defectoscope 12, starts to carry out carrying out flaw detection to finished wheel wheel rim 6.
7. defectoscope 12 is not reported to the police, and represent that finished wheel 15 meets the requirements, production line advances automatically, and next finished wheel 15 proceeds to and detects position; Defectoscope 12 automatic alarm, represent that finished wheel 15 is undesirable, production line does not readvance, and finished wheel 15 is taken down by site operation personnel, and defectoscope 12 is reported to the police and automatically terminated, and production line advances automatically.
Wheel automatic ultrasonic flaw-detecting method of the present invention, probe bracket is installed at the detecting position of production line, probe bracket is installed respectively flaw detection probe I and flaw detection probe II, flaw detection probe I and flaw detection probe II are controlled by defectoscope, by above-mentioned structure and method, flaw detection probe I and flaw detection probe II carry out data acquisition to the wheel rim inherent vice that tread I and medial surface I comprise respectively, then probe I of detecting a flaw carries out data acquisition to the wheel rim inherent vice that tread II and medial surface II comprise respectively with flaw detection probe II, spline wheel is taken turns data with defectoscope and finished wheel data contrast, finished wheel data are within spline wheel wheel data area, then finished wheel meets the requirements, finished wheel data exceed within wheel sample data area, then finished wheel is undesirable, so, by wheel automatic flaw detection method of the present invention, can detect a flaw to the finished wheel wheel rim on production line quickly and easily, thus reduce finished product rim for automobile wheel inherent vice rate of failing to report, ensure that the defect to finished wheel exists can not occur undetected, final raising wheel product quality.
Above by reference to the accompanying drawings to invention has been exemplary description; the concrete realization of obvious the present invention is not subject to the restrictions described above; as long as have employed the various improvement that method of the present invention is conceived and technical scheme is carried out; or design of the present invention and technical scheme directly applied to other occasions, all in protection scope of the present invention without to improve.
Claims (8)
1. a rim for automobile wheel automatic ultrasonic flaw-detecting method, the step of described method of detection comprises:
1) sample that makes wheels wheel wheel rim (1), spline wheel wheel wheel rim (1) comprises tread I (2) and medial surface I (3), and described tread I (2) corresponds to axially multiple artificial defect (13) corresponding to radial multiple artificial defect (14) and medial surface I (3) and is all arranged within satisfactory scope;
2) arrange multiple flaw detection probe I (4) and multiple flaw detection probe II (5) respectively near the tread I (2) of spline wheel wheel wheel rim (1) and the position of medial surface I (3), described flaw detection probe I (4) and flaw detection probe II (5) carry out flaw detection and data acquisition to the multiple artificial defect of axis (13) corresponding to tread I (2) and medial surface I (3) and the multiple artificial defect of radial direction (14) respectively;
3) multiple flaw detection probe I (4) and multiple flaw detection probe II (5) are placed on respectively the tread II (7) near finished wheel wheel rim (6) and medial surface II (8) position, finished wheel wheel rim (6) inherent vice that flaw detection probe I (4) and flaw detection probe II (5) comprise tread II (7) and medial surface II (8) respectively carries out flaw detection and data acquisition;
4) spline wheel wheel rim (1) data and finished wheel wheel rim (6) data are contrasted, finished wheel wheel rim (6) data are within spline wheel wheel rim (1) data area, then finished wheel wheel rim (6) meets the requirements, finished wheel wheel rim (6) data exceed within wheel sample wheel rim (1) data area, then finished wheel wheel rim (6) is undesirable;
It is characterized in that: when the wheel rim inherent vice that described flaw detection probe I (4) and flaw detection probe II (5) comprise tread II (7) and medial surface II (8) respectively carries out data acquisition, flaw detection probe I (4) and the detect a flaw reference point I (H2) of probe II (5) relative to finished wheel wheel rim (6) and the position of reference point II (D1), the reference point I (H2) of taking turns on wheel rim (1) relative to spline wheel with flaw detection probe I (4) and probe II (5) of detecting a flaw is identical with the position one_to_one corresponding of reference point II (D1).
2. rim for automobile wheel automatic ultrasonic flaw-detecting method according to claim 1, it is characterized in that: described finished wheel (15) is on automatic production line, finished wheel wheel rim (6) detecting position of production line installs probe bracket I (10) and probe bracket II (11), flaw detection probe I (4) and flaw detection probe II (5) are arranged on probe bracket I (10) and probe bracket II (11) respectively, and flaw detection probe I (4) and flaw detection probe II (5) are set to the structure can distinguishing adjusting position and angle.
3. rim for automobile wheel automatic ultrasonic flaw-detecting method according to claim 1 and 2, it is characterized in that: described multiple flaw detection probes I (4) are set to cover the structure of the tread II (7) of finished product rim for automobile wheel (6), flaw detection probe II (5) is set to the structure of the medial surface II (8) that can cover finished product rim for automobile wheel (6).
4. rim for automobile wheel automatic ultrasonic flaw-detecting method according to claim 3, it is characterized in that: when the tread II (7) of described multiple flaw detection probes I (4) to finished wheel wheel rim (6) is detected a flaw, described finished wheel (15) is set to can in the upper structure of rotating of rotary carrier roller (9), when the medial surface II (8) of described multiple flaw detection probes II (5) to finished wheel wheel rim (6) is detected a flaw, described finished wheel (15) is set to can in the upper structure of rotating of rotary carrier roller (9).
5. rim for automobile wheel automatic ultrasonic flaw-detecting method according to claim 4, it is characterized in that: when the tread II (7) of described multiple flaw detection probes I (4) to finished wheel wheel rim (6) is detected a flaw, the coverage rate of multiple flaw detection probe I (4) is set to partly overlapping structure, when the medial surface II (8) of multiple flaw detection probe II (5) to finished wheel wheel rim (6) is detected a flaw, the coverage rate of multiple flaw detection probe II (5) is set to partly overlapping structure.
6. rim for automobile wheel automatic ultrasonic flaw-detecting method according to claim 5, it is characterized in that: after the wheel rim inherent vice that described flaw detection probe I (4) and flaw detection probe II (5) comprise tread I (2) and medial surface I (3) respectively carries out data acquisition, described data are stored in the defectoscope (12) that is attached thereto, after the wheel rim inherent vice that flaw detection probe I (4) and flaw detection probe II (5) comprise tread II (7) and medial surface II (8) respectively carries out data acquisition, the data that the data of finished wheel wheel rim (6) and spline wheel take turns wheel rim (1) contrast by the described defectoscope (12) be attached thereto.
7. rim for automobile wheel automatic ultrasonic flaw-detecting method according to claim 6, it is characterized in that: when the data that the data of finished wheel wheel rim (6) and spline wheel are taken turns wheel rim (1) by described defectoscope (12) contrast, finished wheel wheel rim (6) is satisfactory, production line advances automatically, next finished wheel (15) proceeds to detects position, finished wheel wheel rim (6) is undesirable, defectoscope (12) automatic alarm, production line does not readvance, site operation personnel takes down undesirable finished wheel (15), defectoscope (12) is reported to the police and is automatically terminated, production line advances automatically.
8. rim for automobile wheel automatic ultrasonic flaw-detecting method according to claim 7, is characterized in that: described flaw detection probe I (4) and probe II (5) of detecting a flaw all are set to adjust installation site and relative to the structure adjusting angle within the scope of 30 °, upright position.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410058348.6A CN103884773B (en) | 2014-02-20 | 2014-02-20 | A kind of rim for automobile wheel automatic ultrasonic flaw-detecting method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410058348.6A CN103884773B (en) | 2014-02-20 | 2014-02-20 | A kind of rim for automobile wheel automatic ultrasonic flaw-detecting method |
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| CN103884773A CN103884773A (en) | 2014-06-25 |
| CN103884773B true CN103884773B (en) | 2016-04-20 |
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| CN109541039A (en) * | 2018-12-24 | 2019-03-29 | 南京林城亿轮轨道交通技术有限公司 | Portable rolling stock wheel structures the formation method to rim ultrasonic flaw detection probe |
| CN111398431A (en) * | 2020-03-03 | 2020-07-10 | 西安理工大学 | Multi-gate steel rail damage judging system and method with self-adaptive height |
| CN112404987B (en) * | 2020-10-26 | 2021-06-08 | 山东贞元汽车车轮有限公司 | Manufacturing system and process of automobile wheel steel ring |
| CN112598654B (en) * | 2020-12-25 | 2023-12-08 | 北京安铁软件技术有限公司 | Ultrasonic train wheel damage judging method and system |
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