CN103033083A - Hole strip, tooling for detecting hole strip and method for processing and detecting hole strip - Google Patents
Hole strip, tooling for detecting hole strip and method for processing and detecting hole strip Download PDFInfo
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- CN103033083A CN103033083A CN2012104666116A CN201210466611A CN103033083A CN 103033083 A CN103033083 A CN 103033083A CN 2012104666116 A CN2012104666116 A CN 2012104666116A CN 201210466611 A CN201210466611 A CN 201210466611A CN 103033083 A CN103033083 A CN 103033083A
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Abstract
The invention provides a special hole strip, which realizes the support on a heat exchange pipe and simultaneously guarantees the heat exchange effect. Meanwhile, the invention provides a method for processing the hole strip, which effectively eliminates the influence of the processing stress on the part dimension and the position precision through the ingenious combination of the stress releasing technology and the machining process. The invention also provides a special tooling for detecting the hole strip and a method for detecting the hole strip by the tooling. The special detecting tooling is adopted to be combined with the unique detecting method, the problem of form and location tolerance mass detection of porous parts is perfectly solved, on the premise of meeting the detection reliability degree, the detection efficiency is effectively improved, and the detection cost is reduced. The hole strip, the special tooling and the method are used in the fields of mechanical processing and detection.
Description
Technical field
The present invention is applied in machining and detection field, particularly relates to a kind of mechanical hole bar part and detects the frock of this hole bar and the method for processing and this hole bar of detection.
Background technology
Be provided with C type heat exchanger tube in the interchanger in the pressurized-water reactor nuclear power plant, in order to support this C type heat exchanger tube, specialized designs a kind of high accuracy stainless steel hole bar.
Be provided with through hole in the bar of hole, the position degree of through hole wherein, the flatness of thin strip corrosion resistant plate requires high, processing conventional method to this class part all is to adopt Digit Control Machine Tool to carry out, if only adopting Digit Control Machine Tool processes, can guarantee man-hour adding for the positional precision of the smaller part circular hole of single hole in the bar of hole and dimensional accuracy, but the hole thin and long for this kind is stainless steel parts, the machining stress that produces in the machining process, to make hole bar distortion, and cause the dimensional accuracy in flatness, the depth of parallelism and each hole of its upper and lower surface to be difficult to guarantee.
The position degree in each hole is that center take the hole bar is as benchmark in the bar of hole, detection to location of workpiece precision, traditional detection method adopts modern checkout equipment exactly---the three-dimensional detector, the hole bar is placed on the three-dimensional detector detects, detection technique is accurate, and the position degree of each hole relative datum can read out, and still, this method generally is used for the measuring room use and is not suitable for the industrial mass detection.
Summary of the invention
For addressing the above problem, the invention provides a kind of hole bar and detect the frock of this hole bar and the method for processing and this hole bar of check.
The technical solution adopted for the present invention to solve the technical problems is: a kind of hole bar for the cross section is the cube bar of rectangle, has the through hole of some separated from one another and equidistant distributions between bottom surface on the cube bar.
Be further used as improvement of the present invention, each through hole is manhole, also have a rectangular through-hole on the cube bar between bottom surface, each manhole is inscribed within the same side of rectangular through-hole, the width of rectangular through-hole is less than the diameter of manhole, and cube bar two ends are equipped with the installation chamfering near on two sidelines, side of manhole.
Be further used as improvement of the present invention, through hole is ellipse hole, the major axis of described each ellipse hole is perpendicular to cube bar side, offer some arch grooves on one side of described cube bar, described arch groove equates with the distance of nearest two elliptical holes, described cube bar two ends cross-sectional constriction forms installs plush copper, is equipped with the installation chamfering on the described installation plush copper four edges line.
The present invention also provides a kind of method of processing above-mentioned hole bar, may further comprise the steps:
1). the blank of cube bar (1) is put into the numerical control planer, and the location clamps, and evenly removes allowance;
2). the cube bar (1) after the processing of numerical control planer is carried out frequency spectrum harmonic vibration first time Ageing Treatment, and the two ends of the exciting point selection cube bar (1) of frequency spectrum harmonic vibration Ageing Treatment are respectively a bit for the first time;
3). the cube bar (1) after the frequency spectrum harmonic vibration Ageing Treatment is put into the CNC milling machine for the first time, and the location clamps, and carries out the layering rough milling;
4). the cube bar (1) behind the CNC rough milling is carried out frequency spectrum harmonic vibration second time Ageing Treatment, for the second time two-end-point and the mid point of the exciting point selection cube bar (1) of frequency spectrum harmonic vibration Ageing Treatment;
5). the cube bar (1) after the frequency spectrum harmonic vibration Ageing Treatment is put into the CNC milling machine again for the second time, and the location clamps, and carries out the processing of layering half finish-milling;
6). the cube bar (1) after the processing of CNC half finish-milling is carried out for the third time frequency spectrum harmonic vibration Ageing Treatment, the two-end-point of the exciting point selection cube bar (1) of for the third time frequency spectrum harmonic vibration Ageing Treatment and length direction three place's fourth class branches;
7). the cube bar (1) after for the third time frequency spectrum harmonic vibration Ageing Treatment is put into the CNC milling machine again, and the location clamps, and carries out the processing of layering finish-milling;
8). finish-milling is complete, machines.
Be further used as improvement of the present invention, step 3), step 5) and step 7) carry out middle filling capacity cutting fluid and layering processing sum is even number, step 3) and step 7) add the feed method of odd-level employing climb cutting in man-hour, even level employing upmilling, and described step 5) adds the feed method of odd-level employing in man-hour upmilling, even level employing climb cutting.
The present invention also provides a kind of special tooling that detects above-mentioned hole bar, and detecting frock is that flatness detects frock or Parallel testing frock or part manhole position degree detection frock or part manhole dimensional accuracy detection frock.
Be further used as improvement of the present invention, each detects frock and includes a platform, flatness detects frock and also comprises the planeness check tool that is arranged on the platform, the Parallel testing frock also comprises the detection table that is arranged on the platform, the detection table comprises detection gauge stand and the lever indicator that is installed on the gauge stand, part manhole position degree detects frock and also comprises C clamp and the alignment pin that is arranged on the platform, part manhole dimensional accuracy detects frock and also comprises the special measurement post that is arranged on the platform, and the special measurement post is provided with go side and not-go-end.
The present invention also provides a kind of method of using above-mentioned special tooling to detect the hole bar, may further comprise the steps:
1). detect the flatness of cube bar, the cube bar is nature on request is placed on the platform, detect the maximal clearance between cube bar and the planeness check tool contact-making surface, record this value and obtain flatness;
2). detect the depth of parallelism of cube bar, the cube bar is nature on request to be placed on the platform, contact the need detection faces of cube bar with the gauge outfit of lever indicator, simultaneously with the detection reference face that detects gauge stand contact cube bar, and move to the other end from an end of cube bar, record lever indicator indicator rotates difference and obtains the depth of parallelism;
3). detect the position degree of manhole on the cube bar, the cube bar is nature on request to be placed on the platform, with the C clamp cube bar is fixed together with alignment pin, measure the distance in sideline, two C clamp outsides, then calculate the actual range between per two manholes, draw the difference of being examined each manhole physical location of workpiece and theoretical position and be position degree;
4). detect the dimensional accuracy of cube bar manhole, the cube bar is nature on request to be placed on the platform, the special measurement post is put into the manhole of cube bar, then adopt the printing opacity detection method to observe the dimensional tolerance that manhole is judged in special measurement post go side and the position that not-go-end contacts with the manhole on the cube bar.
Be further used as improvement of the present invention, in the step 4) printing opacity detection method for light tight when the applying of go side and manhole circular arc middle part, when the circular arc two ends have light to appear, it is qualified to be judged to be the go side detection; When go side and manhole circular arc two ends fit light tight, when the circular arc middle part has light to appear, be judged to be not-go-end and detect qualifiedly, when go side and not-go-end detect when all qualified, judge that namely the manhole of this hole bar meets the drawing tolerance.
Beneficial effect of the present invention: a kind of hole bar of special use is provided, realizes that the exchange heat pipe guarantees heat transfer effect when accurately supporting; A kind of method of processing this hole bar is provided simultaneously, and the method is combined with reaching process cleverly by the stress-removal technology, has effectively removed in the process machining stress to the impact of accessory size and positional precision; The present invention also provides a kind of and has detected the special tooling of this hole bar and use this frock to detect the method for hole bar, adopt special-purpose detection frock in conjunction with the detection method of uniqueness, well solved such porous part form and position tolerance mass test problems, satisfying under the prerequisite that detects reliability, effectively raising detection efficiency and reduced testing cost.
Description of drawings
The invention will be further described below in conjunction with accompanying drawing:
Fig. 1 is the first example structure schematic diagram of cube bar of the present invention;
Fig. 2 is the second example structure schematic diagram of cube bar of the present invention;
Fig. 3 is first embodiment A-A place sectional drawing of cube bar of the present invention;
Fig. 4 is first Embodiment B-B place sectional drawing of cube bar of the present invention;
Fig. 5 is second Embodiment C-C place sectional drawing of cube bar of the present invention;
Fig. 6 is the second embodiment D-D place sectional drawing of cube bar of the present invention;
Fig. 7 is that the flatness of cube bar of the present invention detects schematic diagram;
Fig. 8 is the Parallel testing schematic diagram of cube bar of the present invention;
Fig. 9 is that the position degree of manhole on the cube bar of the present invention detects schematic diagram;
Figure 10 is that the dimensional accuracy of manhole on the cube bar of the present invention detects schematic diagram.
The specific embodiment
With reference to Fig. 1 ~ Figure 10, the invention provides a kind of hole bar, for the cross section is the cube bar 1 of rectangle, have the through hole of some separated from one another and equidistant distributions on the cube bar 1 between bottom surface.
This cube bar 1 is provided with the through hole of accurate processing, realizes that the exchange heat pipe guarantees heat transfer effect when accurately supporting.
As the preferred embodiment of the present invention, each through hole is manhole 13, also have a rectangular through-hole 12 on the cube bar 1 between bottom surface, each manhole 13 is inscribed within the same side of rectangular through-hole 12, the width of rectangular through-hole 12 is less than the diameter of manhole 13, and chamfering 14 is installed near being equipped with on two sidelines, side of manhole 13 in cube bar 1 two ends.
Side's body bar 1 is provided with installs chamfering 14 for the mounting-positioning holes bar, guarantees installation direction.
As the preferred embodiment of the present invention, each through hole is ellipse hole 15, the major axis of ellipse hole 15 is perpendicular to cube bar 1 side, cube bar 1 offers some arch grooves 16 in the side, arch groove 16 equates with the distance of nearest two elliptical holes 15, cube bar 1 two ends cross-sectional constriction forms installs plush copper 17, installs to be equipped with on the plush copper 17 four edges lines chamfering 14 is installed.
Cube bar 1 is provided with specially installs plush copper 17, plush copper 17 is installed is provided with installation chamfering 14 for the mounting-positioning holes bar.
The present invention also provides a kind of method of processing above-mentioned hole bar, may further comprise the steps:
1). the blank of cube bar (1) is put into the numerical control planer, and the location clamps, and evenly removes allowance;
2). the cube bar (1) after the processing of numerical control planer is carried out frequency spectrum harmonic vibration first time Ageing Treatment, and the two ends of the exciting point selection cube bar (1) of frequency spectrum harmonic vibration Ageing Treatment are respectively a bit for the first time;
3). the cube bar (1) after the frequency spectrum harmonic vibration Ageing Treatment is put into the CNC milling machine for the first time, and the location clamps, and carries out the layering rough milling;
4). the cube bar (1) behind the CNC rough milling is carried out frequency spectrum harmonic vibration second time Ageing Treatment, for the second time two-end-point and the mid point of the exciting point selection cube bar (1) of frequency spectrum harmonic vibration Ageing Treatment;
5). the cube bar (1) after the frequency spectrum harmonic vibration Ageing Treatment is put into the CNC milling machine again for the second time, and the location clamps, and carries out the processing of layering half finish-milling;
6). the cube bar (1) after the processing of CNC half finish-milling is carried out for the third time frequency spectrum harmonic vibration Ageing Treatment, the two-end-point of the exciting point selection cube bar (1) of for the third time frequency spectrum harmonic vibration Ageing Treatment and length direction three place's fourth class branches;
7). the cube bar (1) after for the third time frequency spectrum harmonic vibration Ageing Treatment is put into the CNC milling machine again, and the location clamps, and carries out the processing of layering finish-milling;
8). finish-milling is complete, machines.
Frequency spectrum harmonic vibration timeliness principle is namely by Fourier analysis, need not scan, in 100HZ, seek low-order harmonic, apply suitable energy and vibrate at a plurality of harmonic frequencies place, cause the multi-direction dynamic stress of higher-order wave harmonic wave accumulation generation of vibration, residual stress stack with multiple dimensional distribution causes plastic deformation, thereby reduces the peak value residual stress, make simultaneously the residual stress distribution homogenizing, the cutting linear velocity of step 3) is 100m/min, and the lower cutter degree of depth is the 0.5mm/ layer, and feed is 1000mm/min; The cutting linear velocity of step 5) is 120m/min, and the lower cutter degree of depth is the 0.5mm/ layer, and feed is 1500mm/min; The cutting speed of step 7) is 150m/min, and the lower cutter degree of depth is the 0.2mm/ layer, and feed is 1500mm/min, needs to guarantee the sharpness of cutter in the above-mentioned working angles.
As the preferred embodiment of the present invention, step 3), step 5) and step 7) carry out middle filling capacity cutting fluid and layering processing sum is even number, step 3) and step 7) add the feed method of odd-level employing climb cutting in man-hour, even level employing upmilling, and step 5) adds the feed method of odd-level employing in man-hour upmilling, even level employing climb cutting.
Adopt the method for layering processing in the working angles, help in time to eliminate the part machining stress in process, filling capacity cutting fluid guarantees that heat in metal cutting in time leaves, and guarantees workpiece quality.
The present invention also provides a kind of special tooling that detects above-mentioned hole bar, and detecting frock is that flatness detects frock or Parallel testing frock or part manhole position degree detection frock or part manhole dimensional accuracy detection frock,
As the preferred embodiment of the present invention, each detects frock and includes a platform 2, flatness detects frock and also comprises the planeness check tool 3 that is arranged on the platform 2, the Parallel testing frock also comprises the detection table 4 that is arranged on the platform 2, the detection table comprises detection gauge stand 41 and the lever indicator 42 that is installed on the gauge stand 41, part manhole position degree detects frock and also comprises C clamp 5 and the alignment pin 6 that is arranged on the platform 2, part manhole dimensional accuracy detects frock and also comprises the special measurement post 7 that is arranged on the platform 2, and special measurement post 7 is provided with go side and not-go-end.
Design hole bar special detection frock guarantees the easy to detect, fast, finish accurately of hole bar.
The present invention also provides a kind of method of using above-mentioned special tooling to detect the hole bar, may further comprise the steps:
1). detect the flatness of cube bar 1, cube bar 1 is nature on request is placed on the platform 2, detect the maximal clearance between cube bar 1 and planeness check tool 3 contact-making surfaces, record this value and obtain flatness;
2). detect the depth of parallelism of cube bar 1, cube bar 1 is nature on request to be placed on the platform 2, contact the detection faces of cube bar 1 with the gauge outfit of lever indicator 42, simultaneously with the detection reference face that detects gauge stand 41 contact cube bars 1, and move to the other end from an end of cube bar 1, record lever indicator indicator rotates difference and obtains the depth of parallelism;
3). detect the position degree of manhole 13 on the cube bar 1, cube bar 1 is nature on request to be placed on the platform 2, with C clamp 5 cube bar 1 is fixed together with alignment pin 6, measure the distance in sideline, two C clamp 5 outsides, then calculate the actual range between per two manholes 13, draw the difference of being examined each manhole 13 physical location of workpiece and theoretical position and be position degree;
4). detect the dimensional accuracy of manhole 13 on the cube bar 1, cube bar 1 is nature on request to be placed on the platform, special measurement post 7 is put into the manhole 13 of cube bar 1, then adopt the printing opacity detection method to observe the dimensional tolerance that manhole 13 is judged in special measurement post 7 go sides and the position that not-go-end contacts with the manhole 13 on the cube bar 1.
This detection method is simple, convenient, reliable, has improved greatly the detection efficiency of such part, greatly reduces testing cost, uses the simplest method to solve the most complicated problem.
As the preferred embodiment of the present invention, in the step 4) printing opacity detection method for light tight when the applying of go side and manhole 13 circular arcs middle part, when the circular arc two ends have light to appear, it is qualified to be judged to be the go side detection; When go side and manhole 13 circular arc two ends fit light tight, when the circular arc middle part has light to appear, be judged to be not-go-end and detect qualifiedly, when go side and not-go-end detect when all qualified, judge that namely the manhole 13 of this hole bar meets the drawing tolerance.
Certainly, the invention is not limited to above-mentioned embodiment, those of ordinary skill in the art also can make equivalent variations or replacement under the prerequisite of spirit of the present invention, the modification that these are equal to or replacement all are included in the application's claim limited range.
Claims (9)
1. hole bar is characterized in that: for the cross section is the cube bar (1) of rectangle, have the through hole of some separated from one another and equidistant distributions between the upper bottom surface of described cube bar (1).
2. a kind of hole according to claim 1 bar, it is characterized in that: described each through hole is manhole (13), also have a rectangular through-hole (12) between the upper bottom surface of described cube bar (1), described each manhole (13) is inscribed within the same side of rectangular through-hole (12), the width of described rectangular through-hole (12) is less than the diameter of manhole (13), and chamfering (14) is installed near being equipped with on two sidelines, side of manhole (13) in described cube bar (1) two ends.
3. a kind of hole according to claim 1 bar, it is characterized in that: described each through hole is ellipse hole (15), the major axis of described each ellipse hole (15) is perpendicular to the side of cube bar (1), offer some arch grooves (16) on one side of described cube bar (1), described arch groove (16) equates with the distance of nearest two elliptical holes (15), described cube bar (1) two ends cross-sectional constriction forms installs plush copper (17), is equipped with on described installation plush copper (17) the four edges line chamfering (14) is installed.
4. the method for a processing hole claimed in claim 1 bar is characterized in that, may further comprise the steps:
1). the blank of described cube bar (1) is put into the numerical control planer, and the location clamps, and evenly removes allowance;
2). the cube bar (1) after the processing of numerical control planer is carried out frequency spectrum harmonic vibration first time Ageing Treatment, and the two ends of the exciting point selection cube bar (1) of described frequency spectrum harmonic vibration first time Ageing Treatment are respectively a bit;
3). the cube bar (1) after the frequency spectrum harmonic vibration Ageing Treatment is put into the CNC milling machine for the first time, and the location clamps, and carries out the layering rough milling;
4). the cube bar (1) behind the CNC rough milling is carried out frequency spectrum harmonic vibration second time Ageing Treatment, two-end-point and the mid point of the exciting point selection cube bar (1) of described frequency spectrum harmonic vibration second time Ageing Treatment;
5). the cube bar (1) after the frequency spectrum harmonic vibration Ageing Treatment is put into the CNC milling machine again for the second time, and the location clamps, and carries out the processing of layering half finish-milling;
6). the cube bar (1) after the processing of CNC half finish-milling is carried out for the third time frequency spectrum harmonic vibration Ageing Treatment, the two-end-point of the exciting point selection cube bar (1) of described for the third time frequency spectrum harmonic vibration Ageing Treatment and length direction three place's fourth class branches;
7). the cube bar (1) after for the third time frequency spectrum harmonic vibration Ageing Treatment is put into the CNC milling machine again, and the location clamps, and carries out the processing of layering finish-milling;
8). finish-milling is complete, machines.
5. the method for machining hole bar according to claim 4, it is characterized in that: described step 3), step 5) and step 7) carry out middle filling capacity cutting fluid and layering processing sum is even number, described step 3) and step 7) add the feed method of odd-level employing climb cutting in man-hour, even level employing upmilling, and described step 5) adds the feed method of odd-level employing in man-hour upmilling, even level employing climb cutting.
6. a test right requires the special tooling of 3 described hole bars, it is characterized in that: detect frock and be flatness and detect that frock or Parallel testing frock or part manhole position degree detect frock or part manhole dimensional accuracy detects frock.
7. a kind of special tooling that detects the hole bar according to claim 6, it is characterized in that: the described frock that respectively detects includes a platform (2), described flatness detects frock and also comprises the planeness check tool (3) that is arranged on the platform (2), described Parallel testing frock also comprises the detection table (4) that is arranged on the platform (2), described detection table comprises and detects gauge stand (41) and be installed in lever indicator (42) on the described gauge stand (41), described part manhole position degree detects frock and also comprises C clamp (5) and the alignment pin (6) that is arranged on the platform (2), described part manhole dimensional accuracy detects frock and also comprises the special measurement post (7) that is arranged on the platform (2), and described special measurement post (7) is provided with go side and not-go-end.
8. a right to use requires 7 described special toolings to detect the method for hole bar, it is characterized in that, may further comprise the steps:
1). detect the flatness of described cube bar (1), described cube bar (1) is nature on request to be placed on the platform (2), detect the maximal clearance between described cube bar (1) and planeness check tool (3) contact-making surface, record this value and obtain flatness;
2). detect the depth of parallelism of described cube bar (1), described cube bar (1) is nature on request to be placed on the platform (2), contact the detection faces of cube bar (1) with the gauge outfit of described lever indicator (42), use simultaneously the detection reference face of described detection gauge stand (41) contact cube bar (1), and move to the other end from an end of described cube bar (1), record lever indicator indicator rotates difference and obtains the depth of parallelism;
3). detect the position degree of the upper manhole (13) of described cube bar (1), described cube bar (1) is nature on request to be placed on the platform (2), with described C clamp (5) the same alignment pin of cube bar (1) (6) is fixed together, measure the distance in sideline, two C clamps (5) outside, then calculate the actual range between per two manholes (13), draw the difference of being examined each manhole of workpiece (13) physical location and theoretical position and be position degree;
4). detect the dimensional accuracy of the upper manhole (13) of described cube bar (1), described cube bar (1) is nature on request to be placed on the platform, described special measurement post (7) is put into the manhole (13) of cube bar (1), then adopt the printing opacity detection method to observe the dimensional tolerance that manhole (13) are judged in described special measurement post (7) go side and the position that not-go-end contacts with the manhole (13) on the cube bar (1).
9. the detection method of hole according to claim 8 bar is characterized in that: in the described step 4) printing opacity detection method for light tight with the applying of manhole (13) circular arc middle part when the go side, when the circular arc two ends have light to appear, it is qualified to be judged to be the go side detection; When go side and manhole (13) circular arc two ends fit light tight, when the circular arc middle part has light to appear, be judged to be not-go-end and detect qualifiedly, when go side and not-go-end detect when all qualified, judge that namely the manhole (13) of this hole bar meets the drawing tolerance.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210466611.6A CN103033083B (en) | 2012-11-16 | 2012-11-16 | Hole strip, tooling for detecting hole strip and method for processing and detecting hole strip |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210466611.6A CN103033083B (en) | 2012-11-16 | 2012-11-16 | Hole strip, tooling for detecting hole strip and method for processing and detecting hole strip |
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| CN103033083B CN103033083B (en) | 2014-12-10 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103759614A (en) * | 2013-12-26 | 2014-04-30 | 南车资阳机车有限公司 | Three-dimensional inspection sample plate for taper milling cutter |
| CN107818194A (en) * | 2016-09-12 | 2018-03-20 | 波音公司 | The cubing of method for verification component and the geometric properties for verification component |
| CN111468604A (en) * | 2020-04-22 | 2020-07-31 | 南昌航空大学 | Method for forming curved plate by multistage vibration aging of tailor-welded blank |
| CN114406621A (en) * | 2022-02-21 | 2022-04-29 | 成都航天精诚科技有限公司 | Manufacturing and detecting method of combined large-size high-precision strip-shaped workpiece |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111468604A (en) * | 2020-04-22 | 2020-07-31 | 南昌航空大学 | Method for forming curved plate by multistage vibration aging of tailor-welded blank |
| CN114406621A (en) * | 2022-02-21 | 2022-04-29 | 成都航天精诚科技有限公司 | Manufacturing and detecting method of combined large-size high-precision strip-shaped workpiece |
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| CN103033083B (en) | 2014-12-10 |
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