CN203455319U - Longitudinal oblique detection curved surface forging transverse-hole contrast test block - Google Patents
Longitudinal oblique detection curved surface forging transverse-hole contrast test block Download PDFInfo
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- CN203455319U CN203455319U CN201320576564.0U CN201320576564U CN203455319U CN 203455319 U CN203455319 U CN 203455319U CN 201320576564 U CN201320576564 U CN 201320576564U CN 203455319 U CN203455319 U CN 203455319U
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- drilled hole
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- curved surface
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Abstract
The utility model discloses a longitudinal oblique detection curved surface forging transverse-hole contrast test block. The contrast test block comprises an arc surface, wherein a cuboid is arranged on the other side of the arc surface; the radius of the arc surface is R; the lengths of the cuboid and the arc surface are respectively L; the height H of the contrast test block is the distance between the bottom surface and the top of the arc surface; semicircular grooves are formed in two sides of the cuboid and are formed along the height direction of the contrast test block; a first manhole, a second manhole and a third manhole are formed in the semicircular grooves and are transverse holes parallel to the bottom surface. According to the contrast test block, the omission ratio of ultrasonic oblique incident detection is obviously reduced, the ultrasonic oblique incident detection level is greatly improved, the test block can be matched with transverse wave probes of various angles and directions, and ultrasonic flaw detection of defects in various directions of the transverse surface of a solid-rod forging is realized.
Description
Technical field
The utility model relates to a kind of curved surface forging cross-drilled hole reference block of longitudinally tiltedly surveying, and is applied to rod or bar forging longitudinal surface direction oblique incidence UT (Ultrasonic Testing).
Background technology
The effect of ultrasound examination test block: determine detection sensitivity, the performance of testing tool and probe, adjusts sweep velocity, passes judgment on defect size.The transverse defect of rod (or bar class) forging detects, and the method for detection adopting is in the world mainly pure shear wave oblique incidence detection means, and existing reference block all cannot meet the debugging of cross-drilled hole, also cannot meet the sensitivity commissioning requirements of wound in solid bar.
Solid bar forging transverse defect at present conventional detection method is to adopt normal probe, and end face normal probe detection side wall effect is very large, has a strong impact on Defect Equivalent size and judges.In order to guarantee better solid bar product quality, at the various angle direction probes of longitudinal surface layout, the detection method of current oblique incidence is mainly used cross-drilled hole people industrial injury conventionally, and detection probe angle is 45 degree.Utilize various angle direction probes and solid bar reference block debugging, give full play to the Potential & advantage of method for detection fault detection, can more effectively find the Dangerous defect of athwartship plane direction.
Therefore, need a kind of new reference block to meet above-mentioned requirements.
Utility model content
Utility model object: the utility model all cannot meet the debugging of cross-drilled hole for the reference block of prior art, also cannot meet the defect of the sensitivity commissioning requirements of wound in solid bar, and a kind of curved surface forging cross-drilled hole reference block of longitudinally tiltedly surveying is provided.
Technical scheme: for solving the problems of the technologies described above, longitudinally oblique detection curved surface forging cross-drilled hole of the present utility model reference block adopts following technical scheme:
A kind of longitudinally tiltedly detection curved surface forging cross-drilled hole reference block, described reference block comprises an arc-shaped surface, the opposite side of described arc-shaped surface is provided with rectangular parallelepiped, wherein, described rectangular parallelepiped is bottom surface away from the plane of described arc-shaped surface, the radius of described arc-shaped surface is R, the length of described rectangular parallelepiped and arc-shaped surface is L, the height H of described reference block is the distance between described bottom surface and the top of described arc-shaped surface, the both sides of described rectangular parallelepiped are provided with semi-circular groove, described semi-circular groove is along the short transverse setting of described reference block, in described semi-circular groove, be provided with the first industrial injury, second people's industrial injury and the 3rd people's industrial injury, described the first industrial injury, second people's industrial injury and the 3rd people's industrial injury are the cross-drilled hole that is parallel to described bottom surface, the distance at described the first industrial injury and described arc-shaped surface top is R/4, the distance at described second people's industrial injury and described arc-shaped surface top is H/2, the distance of described the 3rd people's industrial injury and described bottom surface is R/4.
Further, the cross-drilled hole equal diameters in same described semi-circular groove.
Further, the degree of depth of described cross-drilled hole is 25.4mm ± 1.6mm.
Further, the diameter of described cross-drilled hole is 1.6mm ± 0.013mm or 3.2mm ± 0.03mm.
Further, the depth of parallelism < 0.05mm of described cross-drilled hole.
Further, the tolerance of described arc-shaped surface and semi-circular groove is ± 0.1mm.
Further, 1.25 times of the radius R that the height H of described reference block is described arc-shaped surface.
Further, the arc chord length of described arc-shaped surface equates with the width of described rectangular parallelepiped near the plane of described arc-shaped surface.
Further, the thickness of described rectangular parallelepiped is 50mm ± 0.10mm.
Further, the surperficial flatness < 0.05mm of described rectangular parallelepiped, two apparent surfaces' depth of parallelism < 0.05mm.
Beneficial effect: longitudinally oblique detection curved surface forging cross-drilled hole of the present utility model reference block has significantly reduced the loss that ultrasound wave oblique incidence detects, greatly improved the level that ultrasound wave oblique incidence detects, can match with various angle direction shear wave probes, realize the UT (Ultrasonic Testing) of the various direction defects of solid bar forging athwartship plane simultaneously.Utilize reference block of the present utility model to make DAC curve, meet the various angles of sound deflection and use, be more conducive to the ultrasonic transverse wave flaw detection of solid bar forging.
Accompanying drawing explanation
Fig. 1 is the front view of longitudinally tiltedly surveying the reference block of curved surface forging cross-drilled hole of the present utility model;
Fig. 2 is the upward view of longitudinally tiltedly surveying the reference block of curved surface forging cross-drilled hole of the present utility model;
Fig. 3 is the left view of longitudinally tiltedly surveying the reference block of curved surface forging cross-drilled hole of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, further illustrate the utility model, should understand these embodiment and only for the utility model is described, be not used in restriction scope of the present utility model, after having read the utility model, those skilled in the art all fall within the application's claims limited range to the modification of the various equivalent form of values of the present utility model.
Refer to shown in Fig. 1, Fig. 2 and Fig. 3, longitudinally tiltedly detection curved surface forging cross-drilled hole reference block of the present utility model, comprises an arc-shaped surface, and the opposite side of arc-shaped surface is provided with rectangular parallelepiped.Wherein, rectangular parallelepiped is bottom surface away from the plane of arc-shaped surface.The arc chord length of arc-shaped surface equates with the width of rectangular parallelepiped near the plane of arc-shaped surface.Wherein, the radius of arc-shaped surface is R, and the length of rectangular parallelepiped and arc-shaped surface is L.The height H of reference block is the distance between bottom surface and the top of arc-shaped surface.Arc-shaped surface is test surfaces.The height H of reference block is 1.25 times of radius R of arc-shaped surface.
The both sides of rectangular parallelepiped are provided with semi-circular groove, and semi-circular groove is along the short transverse setting of reference block.Wherein, the tolerance of arc-shaped surface and semi-circular groove is ± 0.1mm.In semi-circular groove, be provided with the first industrial injury, second people's industrial injury and the 3rd people's industrial injury, the first industrial injury, second people's industrial injury and the 3rd people's industrial injury are the cross-drilled hole that is parallel to bottom surface, the distance at the first industrial injury and arc-shaped surface top is R/4, the distance at second people's industrial injury and arc-shaped surface top is R/4, and the distance of the 3rd people's industrial injury and bottom surface is R/4.Wherein, the cross-drilled hole equal diameters in same semi-circular groove, the cross-drilled hole diameter in different semi-circular groove can be unequal, and wherein, the degree of depth of cross-drilled hole is 25.4mm ± 1.6mm, depth of parallelism < 0.05mm.In the present invention, the diameter of cross-drilled hole equals 1.6mm ± 0.013mm, can be also 3.2mm ± 0.03mm.
Wherein, the thickness of rectangular parallelepiped is 50mm ± 0.10mm.The surperficial flatness < 0.05mm of rectangular parallelepiped, two apparent surfaces' depth of parallelism < 0.05mm.
Embodiment 1
(diameter is not more than for rod or bar forging
l wherein
forgingfor the length of forging, unit is mm).Adopt and longitudinally tiltedly survey the reference block of curved surface forging cross-drilled hole, top and each 1/4R of test surfaces and place, centre position at the arc-shaped surface of distance versus test block, respectively along circumferentially processing parallel cross-drilled hole as gauge orifice, gauge orifice type is: the degree of depth equals 25.4mm ± 1.6mm, and diameter equals 1.6mm ± 0.013mm or 3.2mm ± 0.03mm.Test block is divided and is seen the following form, totally 5.
Parameter is made in table 1, reference block
Remarks: cross-drilled hole: the degree of depth is 25.4mm ± 1.6mm, and diameter equals 1.6mm ± 0.013mm or 3.2mm ± 0.03mm.
Typical case's test block sign: 4130=exemplary alloy label; DH=boring; 118=11.8 ", metallic radius or height, unit 00.0 "; LR=longitudinally tiltedly surveys; Front three: 456=radius 456mm; Latter three: 123=height 123mm.
Reference block material: reference block technical indicator need meet GB/T11259 and ASTM E428 standard-required.
Longitudinally oblique detection curved surface forging cross-drilled hole of the present utility model reference block has significantly reduced the loss that ultrasound wave oblique incidence detects, greatly improved the level that ultrasound wave oblique incidence detects, can match with various angle direction shear wave probes, realize the UT (Ultrasonic Testing) of the various direction defects of solid bar forging athwartship plane simultaneously.Utilize reference block of the present utility model to make DAC curve, meet the various angles of sound deflection and use, be more conducive to the ultrasonic transverse wave flaw detection of solid bar forging.The detection method of oblique incidence is mainly used cross-drilled hole people industrial injury, and detection probe angle is 45 degree.Utilize various angle direction probes and solid bar reference block debugging, give full play to the Potential & advantage of method for detection fault detection, can more effectively find the Dangerous defect of excellent class athwartship plane direction.
Claims (10)
1. longitudinally tiltedly survey the reference block of curved surface forging cross-drilled hole for one kind, it is characterized in that, described reference block comprises an arc-shaped surface, the opposite side of described arc-shaped surface is provided with rectangular parallelepiped, wherein, described rectangular parallelepiped is bottom surface away from the plane of described arc-shaped surface, the radius of described arc-shaped surface is R, the length of described rectangular parallelepiped and arc-shaped surface is L, the height H of described reference block is the distance between described bottom surface and the top of described arc-shaped surface, the both sides of described rectangular parallelepiped are provided with semi-circular groove, described semi-circular groove is along the short transverse setting of described reference block, in described semi-circular groove, be provided with the first industrial injury, second people's industrial injury and the 3rd people's industrial injury, described the first industrial injury, second people's industrial injury and the 3rd people's industrial injury are the cross-drilled hole that is parallel to described bottom surface, the distance at described the first industrial injury and described arc-shaped surface top is R/4, the distance at described second people's industrial injury and described arc-shaped surface top is H/2, the distance of described the 3rd people's industrial injury and described bottom surface is R/4.
2. longitudinally tiltedly detection curved surface forging cross-drilled hole reference block as claimed in claim 1, is characterized in that the cross-drilled hole equal diameters in same described semi-circular groove.
3. longitudinally tiltedly detection curved surface forging cross-drilled hole reference block as claimed in claim 1, is characterized in that, the degree of depth of described cross-drilled hole is 25.4mm ± 1.6 mm.
4. longitudinally tiltedly detection curved surface forging cross-drilled hole reference block as claimed in claim 1, is characterized in that, the diameter of described cross-drilled hole is 1.6mm ± 0.013 mm or 3.2mm ± 0.03 mm.
5. longitudinally tiltedly detection curved surface forging cross-drilled hole reference block as claimed in claim 1, is characterized in that the depth of parallelism < 0.05mm of described cross-drilled hole.
6. longitudinally tiltedly detection curved surface forging cross-drilled hole reference block as claimed in claim 1, is characterized in that, the tolerance of described arc-shaped surface and semi-circular groove is ± 0.1mm.
7. as claimed in claim 1ly longitudinally tiltedly survey the reference block of curved surface forging cross-drilled hole, it is characterized in that, 1.25 times of the radius R that the height H of described reference block is described arc-shaped surface.
8. longitudinally tiltedly detection curved surface forging cross-drilled hole reference block as claimed in claim 1, is characterized in that, the arc chord length of described arc-shaped surface equates with the width of described rectangular parallelepiped near the plane of described arc-shaped surface.
9. longitudinally tiltedly detection curved surface forging cross-drilled hole reference block as claimed in claim 1, is characterized in that, the thickness of described rectangular parallelepiped is 50mm ± 0.10mm.
10. longitudinally tiltedly detection curved surface forging cross-drilled hole reference block as claimed in claim 1, is characterized in that the surperficial flatness < 0.05mm of described rectangular parallelepiped, two apparent surfaces' depth of parallelism < 0.05mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320576564.0U CN203455319U (en) | 2013-09-17 | 2013-09-17 | Longitudinal oblique detection curved surface forging transverse-hole contrast test block |
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|---|---|---|---|
| CN201320576564.0U CN203455319U (en) | 2013-09-17 | 2013-09-17 | Longitudinal oblique detection curved surface forging transverse-hole contrast test block |
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| CN203455319U true CN203455319U (en) | 2014-02-26 |
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| CN201320576564.0U Expired - Lifetime CN203455319U (en) | 2013-09-17 | 2013-09-17 | Longitudinal oblique detection curved surface forging transverse-hole contrast test block |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105004796A (en) * | 2015-06-29 | 2015-10-28 | 南昌航空大学 | Ultrasonic phased array test block for crankshaft detection |
| CN106525984A (en) * | 2016-08-30 | 2017-03-22 | 江苏共昌轧辊股份有限公司 | Test block for ultrasonic testing |
| CN106596734A (en) * | 2016-12-14 | 2017-04-26 | 四川中核艾瑞特工程检测有限公司 | Multifunctional ultrasonic testing reference block |
-
2013
- 2013-09-17 CN CN201320576564.0U patent/CN203455319U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105004796A (en) * | 2015-06-29 | 2015-10-28 | 南昌航空大学 | Ultrasonic phased array test block for crankshaft detection |
| CN106525984A (en) * | 2016-08-30 | 2017-03-22 | 江苏共昌轧辊股份有限公司 | Test block for ultrasonic testing |
| CN106596734A (en) * | 2016-12-14 | 2017-04-26 | 四川中核艾瑞特工程检测有限公司 | Multifunctional ultrasonic testing reference block |
| CN106596734B (en) * | 2016-12-14 | 2019-04-23 | 四川中核艾瑞特工程检测有限公司 | A kind of multifunction ultrasonic detection reference block |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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Granted publication date: 20140226 |
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| CX01 | Expiry of patent term |