CN110110400B - Calculation method for shot blasting deformation of large-size arc-shaped part - Google Patents
Calculation method for shot blasting deformation of large-size arc-shaped part Download PDFInfo
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Abstract
The invention discloses a calculation method for shot blasting deformation of a large-size arc-shaped part, which specifically comprises the following steps: step S1: testing and detecting; step S2: finite element multi-shot simulation; step S3: establishing an induced stress library; step S4: calculating shot blasting deformation of the large-size thin-wall arc-shaped part; the method specifically comprises the following steps: and predicting the shot blasting deformation of the thin-wall arc-shaped part by establishing a theoretical model. The method can efficiently, quickly and accurately predict the deformation of the large-size part under different shot blasting parameters before the shot blasting process treatment, and provides reference and basis for formulation and optimization of a shot blasting scheme.
Description
Technical Field
The invention relates to the technical field of arc-shaped part deformation calculation, in particular to a calculation method for shot blasting deformation of a large-size arc-shaped part.
Background
The large-size thin-wall arc-shaped part is an important structural part of an airplane body and has the characteristics of large size, thin wall, complex wall thickness change and the like. According to the process requirements, shot peening strengthening treatment is required to be carried out on the surface of the arc-shaped piece so as to improve the fatigue performance of the arc-shaped piece and change the surface state of the arc-shaped piece. Shot peening has become an important surface treatment technology, is becoming more and more important in modern aerospace manufacturing, and has become one of the important research contents. In the process of mass actual production and test, the structural characteristics of the arc-shaped part and the influence of residual stress generated by shot blasting are found, the component is easy to deform after the shot blasting process is finished, the profile tolerance required by a drawing can not be met, meanwhile, the assembly requirement can not be met functionally, the rejection rate of the arc-shaped part is as high as 50% -60%, the out-of-tolerance rate is more than 80%, the prediction of the shot blasting deformation of the arc-shaped part is a great problem in the field of shot blasting reinforcement, and the reduction of the rejection rate has great economic value.
Disclosure of Invention
The invention aims to provide a calculation method for shot blasting deformation of a large-size arc-shaped part, which can efficiently, quickly and accurately predict the deformation of the large-size part under different shot blasting parameters before shot blasting process treatment, and provides reference and basis for formulation and optimization of a shot blasting scheme.
The invention is realized by the following technical scheme: a calculation method for shot blasting deformation of a large-size arc-shaped part specifically comprises the following steps:
step S1: testing and detecting;
step S2: finite element multi-shot simulation;
step S3: establishing an induced stress library;
step S4: calculating shot blasting deformation of the large-size thin-wall arc-shaped part; specifically, the method comprises the following steps: and predicting the shot blasting deformation of the thin-wall arc-shaped part by establishing a theoretical model.
Further, in order to better implement the present invention, the step S4 specifically includes the following steps:
step S41: according to the structural characteristics of the arc-shaped piece, the arc-shaped piece is simplified into a variable-section curved beam with an arc axis, a T-shaped cross section and symmetrical relative to an axis plane;
step S42: establishing a coordinate system, and setting the axis of the arc-shaped piece as an S axis; the normal direction of the cross section is set as an X axis, the symmetrical axis of the cross section of the arc piece is set as a Y axis, the S axis and the Y axis are vertical, and the cross section is set as a Z axis;
step S43: calculating equivalent axial force and bending moment;
N(S)＝∫AσxdA，M(S)＝∫AσxydA； (1)；
wherein y is the distance from the neutral layer;
a is the cross-sectional area of the arc-shaped part;
σxthe equivalent axial force N and the bending moment M are balanced with the constraint force on the boundary;
step S44: and (3) calculating the differential equation of the deformation of the arc piece after the boundary condition is withdrawn as follows:
wherein: j. the design is a squarez＝∫Ay2/(1-y/R)dA (3)；
E is the elastic modulus of the material;
r is the axial radius of the arc-shaped piece;
u is the displacement of the centroid of the cross section for plane bending deformation of the arc-shaped piece along the s axis;
v is the displacement of the centroid of the cross section for plane bending deformation of the arc-shaped piece along the Y axis;
when R → ∞ is reached, the curved beam becomes a straight beam, JZThe section inertia moment is obtained by solving the formula (2) to obtain u and v, namely the arc-shaped piece bends along the axis and extends and deforms;
step S45: and (3) establishing an arc-shaped piece rigidity model by utilizing Python language, and obtaining the deformation by combining shot blasting induced stress.
Further, in order to better implement the present invention, step S1 specifically refers to: and detecting the residual stress on the surface of the test piece after the shot blasting process parameters are processed by using XRD (X-ray diffraction) residual stress detection equipment or an electrolytic corrosion delamination method to obtain a residual stress curve along the thickness direction.
Further, in order to better implement the present invention, step S2 specifically refers to: carrying out finite element simulation of random multi-shot impact target by using large finite element software Abaqus, and extracting a shot blasting induced stress curve;
further, in order to better implement the present invention, step S3 specifically refers to: the method comprises the steps of combining test detection residual stress with multi-shot finite element simulation, establishing a shot blasting induced stress database of various shot blasting process parameters, wherein the induced stress database provides initial stress for shot blasting deformation theoretical calculation of large-size thin-wall arc-shaped parts.
Further, in order to better realize the invention, the shot blasting process parameters comprise an outer surface profile shot blasting parameter, an inner surface profile shot blasting parameter and a web shot blasting parameter; the outer surface shot blasting parameters comprise outer surface shot blasting pressure, outer surface shot blasting per minute, outer surface shot blasting diameter and outer surface shot blasting angle; the contour inner surface shot blasting parameters comprise contour inner surface shot blasting pressure, contour inner surface shot blasting per minute amount, contour inner surface shot diameter and contour inner surface shot blasting angle; the web peening parameters include a web peening pressure, a web peening shot per minute volume, a web shot diameter, and a web peening angle.
Compared with the prior art, the invention has the following advantages and beneficial effects:
(1) the method can efficiently, quickly and accurately predict the deformation of the large-size part under different shot blasting parameters before the shot blasting process treatment, and provides reference and basis for formulation and optimization of a shot blasting scheme.
Drawings
FIG. 1 is a schematic view of a coordinate system of an arcuate member of the present invention;
FIG. 2 is a side view of an arcuate member of the present invention;
FIG. 3 is a residual stress curve for a shot peening parameter of the present invention;
Detailed Description
The present invention will be described in further detail with reference to examples, but the embodiments of the present invention are not limited thereto.
Example 1:
the invention is realized by the following technical scheme, as shown in figures 1-3, a calculation method for shot blasting deformation of a large-size arc-shaped part specifically comprises the following steps:
step S1: testing and detecting;
step S2: finite element multi-shot simulation;
step S3: establishing an induced stress library;
step S4: calculating the shot blasting deformation of the large-size thin-wall arc-shaped part; the method specifically comprises the following steps: and predicting the shot blasting deformation of the thin-wall arc-shaped part by establishing a theoretical model.
It should be noted that, through the above improvement, a traditional linear cutting mode is adopted to cut an aluminum alloy test piece with a certain shape, and the surface of the aluminum alloy test piece is subjected to smoothing treatment to cut the test piece; cutting an aluminum alloy test piece with a certain shape by adopting a traditional linear cutting mode after cutting, smoothing the surface of the aluminum alloy test piece, and carrying out shot blasting on the test piece by using the conventional shot blasting process parameters for the cut test piece; and (3) detecting the residual stress on the surface of the aluminum alloy test piece subjected to shot blasting by using XRD residual stress detection equipment and an electrolytic corrosion delamination method to obtain a residual stress curve along the thickness direction, wherein the residual stress curve is shown in figure 2.
Other parts of this embodiment are the same as those of the above embodiment, and thus are not described again.
Example 2:
in this embodiment, as shown in fig. 1, the step S4 is further optimized based on the above embodiment, and further, in order to better implement the present invention, the step S4 specifically includes the following steps:
step S41: according to the structural characteristics of the arc-shaped piece, the arc-shaped piece is simplified into a variable-section curved beam with an arc axis, a T-shaped cross section and symmetrical relative to an axis plane;
step S42: as shown in fig. 1 and 2, establishing a coordinate system, and setting the axis of the arc-shaped piece as an S-axis; the normal direction of the cross section is set as an X axis, the symmetrical axis of the cross section of the arc piece is set as a Y axis, the S axis and the Y axis are vertical, and the cross section is set as a Z axis;
step S43: calculating equivalent axial force and bending moment;
N(S)＝∫AσxdA，M(S)＝∫AσxydA； (1)；
wherein y is the distance from the neutral layer;
a is the cross-sectional area of the arc-shaped part;
σxthe equivalent axial force N and the bending moment M are balanced with the constraint force on the boundary;
step S44: and (3) calculating the differential equation of the deformation of the arc piece after the boundary condition is withdrawn as follows:
wherein: j. the design is a squarez＝∫Ay2/(1-y/R)dA (3)；
E is the elastic modulus of the material;
r is the axial radius of the arc-shaped piece;
u is the displacement of the centroid of the cross section for plane bending deformation of the arc-shaped piece along the s axis;
v is the displacement of the centroid of the cross section for plane bending deformation of the arc-shaped piece along the Y axis;
when R → ∞ is reached, the curved beam becomes a straight beam, JZThe section inertia moment is obtained by solving the formula (2) to obtain u and v, namely the arc-shaped piece bends along the axis and extends and deforms;
step S45: and (3) establishing an arc-shaped piece rigidity model by utilizing Python language, and obtaining the deformation by combining shot blasting induced stress.
It should be noted that, through the above improvement, the establishment of the arc-shaped part stiffness model is mainly determined by the arc-shaped part structure parameters and the arc-shaped part material parameters, and the shot peening induced stress is mainly determined by the arc-shaped part material parameters and the shot peening strengthening process parameters;
the method comprises the steps of establishing an arc-shaped part rigidity model by utilizing Python language in combination with arc-shaped part structure parameters and arc-shaped part material parameters, obtaining shot blasting induced stress by utilizing Python language in combination with the arc-shaped part material parameters and the shot blasting process parameters, and calculating the arc-shaped part deformation through the arc-shaped part rigidity model and the shot blasting induced stress.
Other parts of this embodiment are the same as those of the above embodiment, and thus are not described again.
Example 3:
in this embodiment, further optimization is performed on the basis of the above embodiment, as shown in fig. 1 to fig. 3, further, to better implement the present invention, the step S1 specifically refers to: and detecting the residual stress on the surface of the test piece after the shot blasting process parameters are processed by using XRD (X-ray diffraction) residual stress detection equipment or an electrolytic corrosion delamination method to obtain a residual stress curve along the thickness direction.
Further, in order to better implement the present invention, step S2 specifically refers to: carrying out finite element simulation of random multi-shot impact target by using large finite element software Abaqus, and extracting a shot blasting induced stress curve;
further, in order to better implement the present invention, step S3 specifically refers to: the method comprises the steps of combining test detection residual stress with multi-shot finite element simulation, establishing a shot blasting induced stress database of various shot blasting process parameters, wherein the induced stress database provides initial stress for shot blasting deformation theoretical calculation of large-size thin-wall arc-shaped parts.
Further, in order to better realize the invention, the shot blasting process parameters comprise an outer surface profile shot blasting parameter, an inner surface profile shot blasting parameter and a web shot blasting parameter; the outer surface shot blasting parameters comprise outer surface shot blasting pressure, shot blasting quantity per minute of outer surface shot blasting, outer surface shot diameter and outer surface shot blasting angle; the outer surface shot blasting parameters comprise outer surface shot blasting pressure, outer surface shot blasting per minute, outer surface shot diameter and outer surface shot blasting angle; the web peening parameters include a web peening pressure, a web peening shot per minute volume, a web shot diameter, and a web peening angle.
Other parts of this embodiment are the same as those of the above embodiment, and thus are not described again.
Example 4:
this embodiment is the best embodiment of the present invention: as shown in fig. 1-3, a method for calculating shot blasting deformation of a large-size arc-shaped part specifically comprises the following steps:
step S1: testing and detecting; the step S1 specifically includes: and detecting the residual stress on the surface of the test piece after the shot blasting process parameters are processed by using XRD (X-ray diffraction) residual stress detection equipment or an electrolytic corrosion delamination method to obtain a residual stress curve along the thickness direction. The shot blasting process parameters comprise outer surface shot blasting parameters, inner surface shot blasting parameters and web shot blasting parameters; the outer surface shot blasting parameters comprise outer surface shot blasting pressure, shot blasting quantity per minute of outer surface shot blasting, outer surface shot diameter and outer surface shot blasting angle; the contour inner surface shot blasting parameters comprise contour inner surface shot blasting pressure, contour inner surface shot blasting per minute amount, contour inner surface shot diameter and contour inner surface shot blasting angle; the web peening parameters include a web peening pressure, a web peening shot per minute volume, a web shot diameter, and a web peening angle.
Step S2: finite element multi-shot simulation; the step S2 specifically includes: carrying out finite element simulation of random multi-shot impact target by using large finite element software Abaqus, and extracting a shot blasting induced stress curve;
step S3: establishing an induced stress library; the step S3 specifically includes: the method comprises the steps of combining test detection residual stress with multi-shot finite element simulation, establishing a shot blasting induced stress database of various shot blasting process parameters, wherein the induced stress database provides initial stress for shot blasting deformation theoretical calculation of large-size thin-wall arc-shaped parts.
Step S4: calculating shot blasting deformation of the large-size thin-wall arc-shaped part; specifically, the method comprises the following steps: and predicting the shot blasting deformation of the thin-wall arc-shaped part by establishing a theoretical model.
Further, in order to better implement the present invention, the step S4 specifically includes the following steps:
step S41: according to the structural characteristics of the arc-shaped piece, the arc-shaped piece is simplified into a variable-section curved beam with an arc axis, a T-shaped cross section and symmetrical relative to an axis plane;
step S42: establishing a coordinate system, and setting the axis of the arc-shaped piece as an S axis; the normal direction of the cross section is set as an X axis, the symmetrical axis of the cross section of the arc piece is set as a Y axis, the S axis and the Y axis are vertical, and the cross section is set as a Z axis;
step S43: calculating equivalent axial force and bending moment;
N(S)＝∫AσxdA，M(S)＝∫AσxydA； (1)；
wherein y is the distance from the neutral layer;
a is the cross-sectional area of the arc-shaped part;
σxthe equivalent axial force N and the bending moment M are balanced with the constraint force on the boundary;
step S44: and (3) calculating the differential equation of the deformation of the arc piece after the boundary condition is withdrawn as follows:
wherein: j. the design is a squarez＝∫Ay2/(1-y/R)dA (3)；
E is the elastic modulus of the material;
r is the axial radius of the arc-shaped piece;
u is the displacement of the centroid of the cross section for plane bending deformation of the arc-shaped piece along the s axis;
v is the displacement of the centroid of the cross section for plane bending deformation of the arc-shaped piece along the Y axis;
when R → ∞ is reached, the curved beam becomes a straight beam, JZThe section inertia moment is obtained by solving the formula (2) to obtain u and v, namely the arc-shaped piece bends along the axis and extends and deforms;
step S45: and (3) establishing an arc-shaped piece rigidity model by utilizing Python language, and obtaining the deformation by combining shot blasting induced stress.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications and equivalent variations of the above embodiments according to the technical spirit of the present invention are included in the scope of the present invention.
Claims (5)
1. A calculation method for shot blasting deformation of a large-size arc-shaped part is characterized by comprising the following steps: the method specifically comprises the following steps:
step S1: testing and detecting;
step S2: finite element multi-shot simulation;
step S3: establishing an induced stress library;
step S4: calculating shot blasting deformation of the large-size thin-wall arc-shaped part; the method specifically comprises the following steps: predicting the shot blasting deformation of the thin-wall arc-shaped part by establishing a theoretical model;
the step S4 specifically includes the following steps:
step S41: according to the structural characteristics of the arc-shaped piece, the arc-shaped piece is simplified into a variable-section curved beam with an arc axis, a T-shaped cross section and symmetrical relative to an axis plane;
step S42: establishing a coordinate system, and setting the axis of the arc-shaped piece as an S axis; the normal direction of the cross section is set as an X axis, the symmetrical axis of the cross section of the arc piece is set as a Y axis, the S axis and the Y axis are vertical, and the cross section is set as a Z axis;
step S43: calculating equivalent axial force and bending moment;
N(S)＝∫AσxdA，M(S)＝∫AσxydA； (1)；
wherein y is the distance from the neutral layer;
a is the cross-sectional area of the arc-shaped part;
σxthe equivalent axial force N and the bending moment M are balanced with the constraint force on the boundary;
step S44: and (3) calculating the differential equation of the deformation of the arc piece after the boundary condition is withdrawn as follows:
wherein: j. the design is a squarez＝∫Ay2/(1-y/R)dA (3)；
E is the elastic modulus of the material;
r is the axial radius of the arc-shaped piece;
u is the displacement of the centroid of the cross section for plane bending deformation of the arc-shaped piece along the s axis;
v is the displacement of the centroid of the cross section for plane bending deformation of the arc-shaped piece along the Y axis;
when R → ∞ is reached, the curved beam becomes a straight beam, JZThe section inertia moment is obtained by solving the formula (2) to obtain u and v, namely the arc-shaped piece bends along the axis and extends and deforms;
step S45: and (3) establishing an arc-shaped piece rigidity model by utilizing Python language, and obtaining the deformation by combining shot blasting induced stress.
2. The method for calculating the shot peening deformation of the large-size arc-shaped member according to claim 1, wherein: the step S1 specifically includes: and detecting the residual stress on the surface of the test piece after the shot blasting process parameters are processed by using XRD (X-ray diffraction) residual stress detection equipment or an electrolytic corrosion delamination method to obtain a residual stress curve along the thickness direction.
3. The method for calculating the shot peening deformation of the large-size arc-shaped member according to claim 2, wherein: the step S2 specifically includes: and (4) carrying out finite element simulation of random multi-shot impact target by using large finite element software Abaqus, and extracting a shot blasting induced stress curve.
4. The method for calculating the shot peening deformation of the large-size arc-shaped member according to claim 3, wherein: the step S3 specifically includes: the method comprises the steps of combining test detection residual stress with multi-shot finite element simulation, establishing a shot blasting induced stress database of various shot blasting process parameters, and providing initial stress for shot blasting deformation theoretical calculation of a large-size thin-wall arc-shaped part by the induced stress database.
5. The method for calculating the shot peening deformation of the large-size arc-shaped member according to claim 4, wherein: the shot blasting process parameters comprise outer surface shot blasting parameters, inner surface shot blasting parameters and web shot blasting parameters; the outer surface shot blasting parameters comprise outer surface shot blasting pressure, shot blasting quantity per minute of outer surface shot blasting, outer surface shot diameter and outer surface shot blasting angle; the contour inner surface shot blasting parameters comprise contour inner surface shot blasting pressure, contour inner surface shot blasting per minute amount, contour inner surface shot diameter and contour inner surface shot blasting angle; the web peening parameters include a web peening pressure, a web peening shot per minute volume, a web shot diameter, and a web peening angle.
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| CN110666701B (en) * | 2019-09-20 | 2021-06-01 | 西安飞机工业（集团）有限责任公司 | Shot blasting forming method for small-area sharply bent biconvex ribbed wallboard |
| CN113742979B (en) * | 2021-09-16 | 2023-08-04 | 山东大学深圳研究院 | Positioning point optimal arrangement method for clamping thin-wall arc-shaped piece |
| CN117921551B (en) * | 2024-03-25 | 2024-07-12 | 成都飞机工业（集团）有限责任公司 | Shot blasting correction method for controlling deformation of frame parts |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3705511A (en) * | 1969-10-17 | 1972-12-12 | Avco Corp | Low penetration ball forming process |
| JPS61264105A (en) * | 1985-05-17 | 1986-11-22 | Toyota Motor Corp | Production of high-strength sintered member |
| CN104866652A (en) * | 2015-04-29 | 2015-08-26 | 西北工业大学 | Finite element simulation method for shot-peening strengthening deformation based on ABAQUS |
| CN107553345A (en) * | 2017-09-28 | 2018-01-09 | 吉林大学 | The aircraft target ship pre stress shot peen frock and ball blasting method that a kind of multiple spot actively loads |
| CN108857910A (en) * | 2018-06-19 | 2018-11-23 | 江西昌河航空工业有限公司 | A kind of odd-shaped cross section thin-walled chamber class part shot peening strengthening flexible fixture |
-
2019
- 2019-04-19 CN CN201910317136.8A patent/CN110110400B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3705511A (en) * | 1969-10-17 | 1972-12-12 | Avco Corp | Low penetration ball forming process |
| JPS61264105A (en) * | 1985-05-17 | 1986-11-22 | Toyota Motor Corp | Production of high-strength sintered member |
| CN104866652A (en) * | 2015-04-29 | 2015-08-26 | 西北工业大学 | Finite element simulation method for shot-peening strengthening deformation based on ABAQUS |
| CN107553345A (en) * | 2017-09-28 | 2018-01-09 | 吉林大学 | The aircraft target ship pre stress shot peen frock and ball blasting method that a kind of multiple spot actively loads |
| CN108857910A (en) * | 2018-06-19 | 2018-11-23 | 江西昌河航空工业有限公司 | A kind of odd-shaped cross section thin-walled chamber class part shot peening strengthening flexible fixture |
Non-Patent Citations (3)
| Title |
|---|
| Experimental Research on Optimizing Processing Parameters of Ultrasonic Polishina without Abrasive;JIANG Jianjun等;《Technology and Test》;20090202(第2期);第93-95页 * |
| 超声波喷丸技术在大型零件变形校正中的应用;门向南等;《热加工工艺》;20170401;第46卷(第7期);第156-160页 * |
| 金属板料激光喷丸成形机制研究与数值分析;张兴权;《中国博士学位论文全文数据库 信息科技辑》;20120415(第04期);第I135-6页 * |
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