CN203798640U - Integrated sensitivity test piece for checking magnetic powder inspection performance - Google Patents
Integrated sensitivity test piece for checking magnetic powder inspection performance Download PDFInfo
- Publication number
- CN203798640U CN203798640U CN201420090250.4U CN201420090250U CN203798640U CN 203798640 U CN203798640 U CN 203798640U CN 201420090250 U CN201420090250 U CN 201420090250U CN 203798640 U CN203798640 U CN 203798640U
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- sensitivity
- adhesive tape
- calibration piece
- layer
- magnetic powder
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Abstract
The utility model relates to an integrated sensitivity test piece for checking the magnetic powder inspection performance. The integrated sensitivity test piece comprises a square sensitivity test piece with a square surface, wherein a circular notch groove is formed in the square surface by using a center of the square as a circle center, and a cross-shaped notch groove is formed in the circular notch groove by using the circle center of the circular notch groove as a point of intersection. The integrated sensitivity test piece is characterized in that a base body is arranged on the back surface of a surface, in which the cross-shaped notch groove is located, of the sensitivity test piece, and an adhesive rubber strip is arranged on the surface, in which the cross-shaped notch groove is located, of the sensitivity test piece; the sensitivity test piece and the adhesive rubber strip are fixed on a base body by using the center of the base body as a base point, and the sensitivity test piece, the base body and the adhesive rubber strip form an integrated structure. The base body is set to be of a # shape, curved surface convex parts are arranged on four corners of the # shape, a first square hole is formed in the center of the base body, the adhesive rubber strip is set to be of a shape the same as that of the base body, and a second square hole is formed in the center of the adhesive rubber strip. The integrated sensitivity test piece can be widely applied to checking of the sensitivity performance of a magnetic powder inspection system.
Description
Technical field
The utility model relates to a kind of Calibration Piece for Sensitivity for Non-Destructive Testing, particularly about a kind of integral type Calibration Piece for Sensitivity for magnetic powder inspection qualification.
Background technology
Adopting magnetic powder inspection method to carry out before defect detecting test workpiece, need to carry out verification to fault detection system sensitivity with Calibration Piece for Sensitivity, could be to the workpiece operation of detecting a flaw after verification is qualified.At present, in magnetic Non-Destructive Testing, conventionally adopt the A1-15/50 type Calibration Piece for Sensitivity of the ultra-pure low-carbon (LC) pure iron of DT4A material to carry out verification to fault detection system sensitivity.As shown in Figure 1, A1-15/50 type Calibration Piece for Sensitivity is that a length of side is that 20mm, thickness are the square of 50 μ m, the circular cutting of one diameter as 10mm is set taking square center as the center of circle, take the center of circle as intersection point, it is the cross cutting of 6mm that one length of side is set in circular cutting, and the degree of depth of circle cutting and cross cutting is 15 μ m.In the time using Calibration Piece for Sensitivity to carry out verification to fault detection system sensitivity, first need Calibration Piece for Sensitivity closely connected with surface of the work with the one side of cutting, with adhesive tape, Calibration Piece for Sensitivity is to " well " font firm pasting, and adhesive tape must not hide cutting place of Calibration Piece for Sensitivity, must not there be bump injury, cut, wrinkle and corrosion etc. in the surface of Calibration Piece for Sensitivity; Then workpiece magnetized and on Calibration Piece for Sensitivity, spray magnetic flaw detection ink; At intensity of illumination, inspection material and defect-detecting equipment etc. all under qualified condition, observe corresponding on Calibration Piece for Sensitivity another side "
" the magnetic particle indications situation of shape cutting, in the time of magnetic particle indications complete display, represent that fault detection system sensitivity check is qualified, allow the workpiece operation of detecting a flaw; Otherwise, represent that fault detection system sensitivity check is defective, do not allow workpiece to carry out magnetic powder inspection operation.
In fact,, in the process of operation that workpiece is detected a flaw, tend to encounter different and shaggy workpiece.Disclosed Calibration Piece for Sensitivity in prior art (for example A1-15/50 type Calibration Piece for Sensitivity) is sticked on to surface of the work when fault detection system sensitivity is carried out to verification, often there is following problem: (1) is because small volume, the material of existing Calibration Piece for Sensitivity is more crisp, thinner thickness, take out Calibration Piece for Sensitivity from packaging time, need to directly pinch Calibration Piece for Sensitivity with hand and pull it, this operation easily causes Calibration Piece for Sensitivity bending.(2) in Calibration Piece for Sensitivity taping process, need directly to pin its surface with hand, with adhesive tape, the surrounding of Calibration Piece for Sensitivity being to " well " font again sticks on workpiece securely, due to workpiece surface roughness and different, the existence of the factor such as the coarse injustice having, the position having change of shape narrow, that have are larger, just may there is breakage, uneven or folding line etc. in careless slightly Calibration Piece for Sensitivity, and this breakage or folding line etc. that Calibration Piece for Sensitivity occurs generally cannot be repaired, thereby cause the scrappage of Calibration Piece for Sensitivity higher.(3) improper if Calibration Piece for Sensitivity is pasted, cause adhesive tape to cover in round cutting and cross cutting, need to take off Calibration Piece for Sensitivity and again paste, in the process of taking off Calibration Piece for Sensitivity, also can cause it impaired and can not use.Therefore the use procedure complex operation of existing Calibration Piece for Sensitivity, waste time and energy and generally need two people to coordinate just and can complete, thereby bring very burden to on-the-spot flaw detection staff.
Summary of the invention
For the problems referred to above, the purpose of this utility model is to provide a kind of use and preserve convenient and the reusable integral type Calibration Piece for Sensitivity for magnetic powder inspection qualification.
For achieving the above object, the utility model is taked following technical scheme: a kind of integral type Calibration Piece for Sensitivity for magnetic powder inspection qualification, it comprises that a surface is for foursquare Calibration Piece for Sensitivity, taking the center of described square surface as the center of circle, in described square surface, be provided with a circular cutting, taking the center of circle of described circular cutting as intersection point, a cross cutting is set in described circular cutting; It is characterized in that: the back side at the cross cutting place of described Calibration Piece for Sensitivity face arranges a matrix, and at the cross cutting place of described Calibration Piece for Sensitivity, face arranges stickup adhesive tape; Described Calibration Piece for Sensitivity and paste adhesive tape all taking described matrix center as basic point is fixed on described matrix on, the integral formula structure of described Calibration Piece for Sensitivity, matrix and glue bar shaped.
Described matrix is set to " well " font, and four jiaos of " well " font are provided with a curved protrusion portion, offers the first square hole in the central authorities of described matrix.
Large 3mm～the 4mm of the diameter of set circular cutting on Calibration Piece for Sensitivity described in the side ratio of described the first square hole.
One in described matrix adopting plastic adhesive tape, paper self-adhesive tape, polyester tape and Non-woven tape, and a side of described matrix is covered with viscose glue.
Described stickup adhesive tape is arranged to the shape same with described matrix phase, offers the second square hole in the central authorities of described stickup adhesive tape.
Large 2mm～the 4mm of the length of side of the first square hole described in the side ratio of described the second square hole.
Described stickup adhesive tape arranges 1～2 layer, and each layer of described stickup adhesive tape all adopts the plastic glue strip of one-side band glue, and the shape of each layer of described stickup adhesive tape is identical, more than the size of each layer of described stickup adhesive tape differs 1mm successively.
The utility model is owing to taking above technical scheme, it has the following advantages: 1, the utility model is owing to comprising that a surface is for foursquare Calibration Piece for Sensitivity, taking the center of square surface as the center of circle, in square surface, be provided with a circular cutting, taking the center of circle of circular cutting as intersection point, a cross cutting is set in circular cutting; The back side at the cross cutting place of Calibration Piece for Sensitivity face arranges a matrix, and at the cross cutting place of Calibration Piece for Sensitivity, face arranges stickup adhesive tape; Calibration Piece for Sensitivity and stickup adhesive tape are all fixed on matrix taking matrix center as basic point, the integral formula structure of Calibration Piece for Sensitivity, matrix and glue bar shaped, therefore the utility model scene is easy to use, and the damage can avoid using time, Calibration Piece for Sensitivity being caused, and cover in the error of Calibration Piece for Sensitivity scored position because of misoperation.2, the utility model is pasted adhesive tape because the cross cutting place face at Calibration Piece for Sensitivity arranges 1～2 layer, and each layer of shape of pasting adhesive tape is identical, more than the size of each layer of stickup adhesive tape differs 1mm successively, when use, the ground floor stickup adhesive tape sticking on workpiece is stayed, take off remainder, and do not damage Calibration Piece for Sensitivity, therefore the utility model can be reused this Calibration Piece for Sensitivity, thereby saves cost.3, the utility model is due to the integral formula structure of Calibration Piece for Sensitivity, matrix and glue bar shaped, and therefore the utility model is preserved conveniently, and is pasted with workpiece good looking appearance of the present utility model, is convenient to preserve.Based on above advantage, the utility model can be widely used in the verification of magnetic particle testing system sensitivity behaviour.
Brief description of the drawings
Fig. 1 is the structural representation of existing Calibration Piece for Sensitivity
Fig. 2 is the structural representation of the utility model integral type Calibration Piece for Sensitivity
Fig. 3 is the structural representation of matrix
Fig. 4 is the structural representation of pasting adhesive tape
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in detail.
As shown in Figure 2, the utility model integral type Calibration Piece for Sensitivity similarly to the prior art, comprises that a surface is for foursquare Calibration Piece for Sensitivity 1, taking the center of square surface as the center of circle, is provided with a circular cutting in square surface; Taking the center of circle of circular cutting as intersection point, a cross cutting is set in circular cutting.The difference of the utility model integral type Calibration Piece for Sensitivity and prior art is: the back side at the cross cutting place of Calibration Piece for Sensitivity 1 face arranges a matrix 2, arranges and pastes adhesive tape 3 at the cross cutting place of Calibration Piece for Sensitivity 1 face; Calibration Piece for Sensitivity 1 and stickup adhesive tape 3 are all fixed on matrix 2 taking matrix 2 centers as basic point, and Calibration Piece for Sensitivity 1, matrix 2 and stickup adhesive tape 3 form integral structure.
In above-described embodiment, as shown in Figure 3, for adapting to the difformity of each workpiece, be conducive to firm stickup, matrix 2 is set to " well " font, and four jiaos of " well " font are provided with a curved protrusion portion, offer the first square hole in the central authorities of matrix 2, large 3mm～the 4mm of diameter of set circular cutting on the side ratio Calibration Piece for Sensitivity 1 of the first square hole, preferably 4mm, thereby can ensure between circular cutting and the first square hole of matrix 2, to retain on Calibration Piece for Sensitivity 1 gap of 1.5mm～2mm, preferably 2mm.Bonding amount of lap between Calibration Piece for Sensitivity 1 and matrix 2 is set to 3mm～3.5mm, preferably 2mm.
In above-described embodiment, when the profile size variation of Calibration Piece for Sensitivity 1, can be by adjusting the length of side size of the first square hole of matrix 2, ensure that on Calibration Piece for Sensitivity 1, the gap between circular cutting and the first square hole of matrix 2 is 1.5mm～2mm.
In above-described embodiment, matrix 2 can adopt the flexible materials such as plastic adhesive tape, paper self-adhesive tape, polyester tape, Non-woven tape.One side of matrix 2 is covered with viscose glue, increases the thickness of viscose glue at the bonding position of matrix 2 and Calibration Piece for Sensitivity 1, thereby improves matrix 2 firmness bonding with Calibration Piece for Sensitivity 1, is also conducive to the tight stickup of Calibration Piece for Sensitivity 1 and surface of the work simultaneously.
In above-described embodiment, as shown in Figure 4, be arranged to the shape identical with matrix 2 by pasting adhesive tape 3, offer the second square hole in the central authorities of pasting adhesive tape 3, large 2mm～the 4mm of the length of side of side ratio first square hole of the second square hole, object is to ensure to leave gap more than 1mm between Calibration Piece for Sensitivity 1 and stickup adhesive tape 3, and Calibration Piece for Sensitivity 1 is not destroyed while use, is convenient to reuse.
In above-described embodiment, for ease of reusing of the utility model integral type Calibration Piece for Sensitivity, paste adhesive tape 3 and arrange 1～2 layer, each layer of stickup adhesive tape 3 all adopts the plastic glue strip of one-side band glue, and each layer paste the shape of adhesive tape 3 identical, vary in size, more than the size of each layer stickup adhesive tape 3 differs 1mm successively.
The method for making of the utility model integral type Calibration Piece for Sensitivity comprises the following steps:
1) taking matrix 2 centers as basic point, Calibration Piece for Sensitivity 1 is bonded in to matrix 2 central authorities, make the center of Calibration Piece for Sensitivity 1 and the center superposition of matrix 2.
2) be not fixed on Calibration Piece for Sensitivity 1 and matrix 2 with the one side of glue pasting adhesive tape 3, the center that makes to paste the center of the second square hole that adhesive tape 3 central authorities offer and the center of Calibration Piece for Sensitivity 1, matrix 2 all overlaps.
3) Calibration Piece for Sensitivity 1, matrix 2 and stickup adhesive tape 3 form integral structure, at the surface coverage plastic protective film for plastics of the utility model integral type Calibration Piece for Sensitivity, thereby are convenient to packaging and preserve.
The using method of the utility model integral type Calibration Piece for Sensitivity comprises the following steps:
1) open the plastic protective film for plastics of matrix 2 sides, by after Calibration Piece for Sensitivity 1 wiped clean, then plastic protective film for plastics is covered on matrix 2.
2) take off the plastic protective film for plastics of pasting adhesive tape 3 sides; the one side that Calibration Piece for Sensitivity 1 is provided with to cross cutting closely sticks on workpiece by pasting adhesive tape 3; if paste the improper position sticking on workpiece that maybe needs to change; one deck of pasting with workpiece being pasted to adhesive tape 3 stays; take off the remainder of integral type Calibration Piece for Sensitivity, can reuse.
3) workpiece is magnetized; take off the plastic protective film for plastics of matrix 2 sides; and spray magnetic flaw detection ink or apply magnetic on the back side of the cross cutting place of Calibration Piece for Sensitivity 1 face; by flaw detection workpiece is magnetized, make to stick on the integral type Calibration Piece for Sensitivity on surface of the work, show complete, clearly "
" shape magnetic trace.
The various embodiments described above are only for illustrating the utility model; wherein structure, the connected mode etc. of each parts all can change to some extent; every equivalents of carrying out on the basis of technical solutions of the utility model and improvement, all should not get rid of outside protection domain of the present utility model.
Claims (9)
1. the integral type Calibration Piece for Sensitivity for magnetic powder inspection qualification, it comprises that a surface is for foursquare Calibration Piece for Sensitivity, taking the center of described square surface as the center of circle, in described square surface, be provided with a circular cutting, taking the center of circle of described circular cutting as intersection point, a cross cutting is set in described circular cutting; It is characterized in that:
The back side at the cross cutting place of described Calibration Piece for Sensitivity face arranges a matrix, and at the cross cutting place of described Calibration Piece for Sensitivity, face arranges stickup adhesive tape; Described Calibration Piece for Sensitivity and paste adhesive tape all taking described matrix center as basic point is fixed on described matrix on, the integral formula structure of described Calibration Piece for Sensitivity, matrix and glue bar shaped.
2. a kind of integral type Calibration Piece for Sensitivity for magnetic powder inspection qualification as claimed in claim 1, it is characterized in that: described matrix is set to " well " font, and four jiaos of " well " font are provided with a curved protrusion portion, offer the first square hole in the central authorities of described matrix.
3. a kind of integral type Calibration Piece for Sensitivity for magnetic powder inspection qualification as claimed in claim 2, is characterized in that: the large 3mm～4mm of the diameter of set circular cutting on Calibration Piece for Sensitivity described in the side ratio of described the first square hole.
4. a kind of integral type Calibration Piece for Sensitivity for magnetic powder inspection qualification as described in claim 1 or 2 or 3, it is characterized in that: the one in described matrix adopting plastic adhesive tape, paper self-adhesive tape, polyester tape and Non-woven tape, and a side of described matrix is covered with viscose glue.
5. a kind of integral type Calibration Piece for Sensitivity for magnetic powder inspection qualification as claimed in claim 2 or claim 3, is characterized in that: described stickup adhesive tape be arranged to and described matrix phase with shape, offer the second square hole in the central authorities of described stickup adhesive tape.
6. a kind of integral type Calibration Piece for Sensitivity for magnetic powder inspection qualification as claimed in claim 5, is characterized in that: the large 2mm～4mm of the length of side of the first square hole described in the side ratio of described the second square hole.
7. a kind of integral type Calibration Piece for Sensitivity for magnetic powder inspection qualification as described in claim 1 or 2 or 3 or 6, it is characterized in that: described stickup adhesive tape arranges 1～2 layer, each layer of described stickup adhesive tape all adopts the plastic glue strip of one-side band glue, and the shape of each layer of described stickup adhesive tape is identical, more than the size of each layer of described stickup adhesive tape differs 1mm successively.
8. a kind of integral type Calibration Piece for Sensitivity for magnetic powder inspection qualification as claimed in claim 4, it is characterized in that: described stickup adhesive tape arranges 1～2 layer, each layer of described stickup adhesive tape all adopts the plastic glue strip of one-side band glue, and the shape of each layer of described stickup adhesive tape is identical, more than the size of each layer of described stickup adhesive tape differs 1mm successively.
9. a kind of integral type Calibration Piece for Sensitivity for magnetic powder inspection qualification as claimed in claim 5, it is characterized in that: described stickup adhesive tape arranges 1～2 layer, each layer of described stickup adhesive tape all adopts the plastic glue strip of one-side band glue, and the shape of each layer of described stickup adhesive tape is identical, more than the size of each layer of described stickup adhesive tape differs 1mm successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420090250.4U CN203798640U (en) | 2014-02-28 | 2014-02-28 | Integrated sensitivity test piece for checking magnetic powder inspection performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420090250.4U CN203798640U (en) | 2014-02-28 | 2014-02-28 | Integrated sensitivity test piece for checking magnetic powder inspection performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203798640U true CN203798640U (en) | 2014-08-27 |
Family
ID=51380845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420090250.4U Withdrawn - After Issue CN203798640U (en) | 2014-02-28 | 2014-02-28 | Integrated sensitivity test piece for checking magnetic powder inspection performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203798640U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103792125A (en) * | 2014-02-28 | 2014-05-14 | 南车二七车辆有限公司 | Integrated sensitivity test sheet and manufacturing and use method thereof |
| CN106018546A (en) * | 2016-07-11 | 2016-10-12 | 广东省特种设备检测研究院珠海检测院 | Test piece assisting device for checking magnetic particle testing sensitivity |
-
2014
- 2014-02-28 CN CN201420090250.4U patent/CN203798640U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103792125A (en) * | 2014-02-28 | 2014-05-14 | 南车二七车辆有限公司 | Integrated sensitivity test sheet and manufacturing and use method thereof |
| CN103792125B (en) * | 2014-02-28 | 2016-01-27 | 南车二七车辆有限公司 | Integral type Calibration Piece for Sensitivity and making and use method thereof |
| CN106018546A (en) * | 2016-07-11 | 2016-10-12 | 广东省特种设备检测研究院珠海检测院 | Test piece assisting device for checking magnetic particle testing sensitivity |
| CN106018546B (en) * | 2016-07-11 | 2023-09-01 | 广东省特种设备检测研究院珠海检测院 | Test piece auxiliary device for magnetic powder detection sensitivity verification |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140827 Effective date of abandoning: 20160127 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |