CN106735752A - A kind of large-scale cantilevered thin walled welds part is damaged cellular repair method - Google Patents
A kind of large-scale cantilevered thin walled welds part is damaged cellular repair method Download PDFInfo
- Publication number
- CN106735752A CN106735752A CN201611036792.3A CN201611036792A CN106735752A CN 106735752 A CN106735752 A CN 106735752A CN 201611036792 A CN201611036792 A CN 201611036792A CN 106735752 A CN106735752 A CN 106735752A
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- CN
- China
- Prior art keywords
- test piece
- performance test
- honeycomb ring
- strengthening web
- room temperature
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/235—Preliminary treatment
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Sampling And Sample Adjustment (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
A kind of large-scale cantilevered thin walled welds part is damaged cellular repair method, belongs to aero-engine technology field.Including：Step one：Choose the first test side and the second test side with strengthening web and honeycomb ring material identical board making performance test piece, the first test side is welded together with the second test side by argon arc welding, is processed into room temperature tensile properties test piece and high-temperature instantaneous performance test piece according to professional standard respectively；Step 2：The performance detection under room temperature tensile and high-temperature instantaneous state is carried out, judges whether to weld again by the contrast of detection data；Step 3：If so, the weld seam then polished between honeycomb ring and strengthening web, by the dismounting of former honeycomb ring after removal weld seam, residual solder joint is repaiied in throwing；Correction strengthening web circumferential deformation；Preweld cleaning is carried out, and determines the axial welding position of new honeycomb ring in the line of strengthening web inner surface, welded by argon arc welding positioning honeycomb ring and by regulation parameter；Step 4：Aging strengthening model is carried out to postwelding component.
Description
Technical field
The invention belongs to aero-engine technology field, more particularly to a kind of large-scale cantilevered thin walled welds part is damaged honeybee
The repair method of nest, is applied to large thin-wall weldment and is damaged cellular repairing.
Background technology
Enter the repairing stage after aero-engine cumulative activation certain hour, found when repairing, honeycomb is damaged more
Seriously, it is impossible to be continuing with, one of which low pressure one is led inner ring weld assembly (first half) honeycomb and is damaged up to 100%, starts machine maintenance
Need all to change new product part, high cost during reason.
The low pressure one leads inner ring weld assembly for various parts are welded, and belongs to large thin-wall element, complex structure, composition
Part material is high temperature alloy, and design accuracy is high.Low pressure one lead the structure of inner ring weld assembly (first half) as shown in figure 1, its by
Ring forging 1, web 2, strengthening web 3 and honeycomb ring 4 are welded to form；If placing under repair, need to be welded again, using existing
Repair method, post welding distortion is serious, it is impossible to meets part and uses and matching requirements.
The content of the invention
For the problem that prior art is present, the present invention is provided when one kind can reduce aero-engine overhaul and changes honeycomb class
Spare part new product quantity, reduces repair cost, and the large-scale cantilevered thin walled welds part that part rate is changed in reduction is damaged cellular repairing side
Method.
To achieve these goals, the present invention is adopted the following technical scheme that：A kind of large-scale cantilevered thin walled welds part is damaged
Cellular repair method, comprises the following steps：
Step one：Detection performance test piece is made, the performance test piece includes room temperature tensile properties test piece and high-temperature instantaneous
Performance test piece；
The first test side with the two performance test pieces of board making of strengthening web material identical is chosen, is chosen and honeycomb ring
Second test side of two performance test pieces of material identical board making, by argon arc welding by the first test side and the second test side
Weld together, form two performance test piece matrixes；Two performance test piece matrixes are processed into room temperature according to professional standard respectively
Tensile property test piece and high-temperature instantaneous performance test piece；
Step 2：Room temperature tensile properties test piece and the test piece of high-temperature instantaneous performance is respectively adopted carries out room temperature tensile state and height
Performance detection under warm instantaneous state, judges whether part to be repaired can be welded again by the contrast of detection data；
Step 3：If so, the argon-arc welding seam then polished between honeycomb ring and strengthening web, by former honeycomb after removal weld seam
Ring is dismantled, and the argon arc welding solder joint remained at strengthening web is repaiied in throwing, there is metallic luster to matrix；The former honeycomb ring of correction dismounting
During strengthening web circumferential deformation；Carry out preweld cleaning, and inner surface line in strengthening web determines new honeycomb ring
Axial welding position, is welded by argon arc welding positioning honeycomb ring and by regulation parameter by drawing；If it is not, then this is to be repaired
Reason part can not place under repair；
Step 4：After the completion of welding, aging strengthening model is carried out to postwelding component.
Beneficial effects of the present invention：
Certain casing welding that cellular repair method is repaired is damaged using large-scale cantilevered thin walled welds part of the invention
Component, component strain amount is small after repairing, and component technology condition meets part and uses and matching requirements.
Economic benefit is estimated：Certain casing weld assembly deforms small, repairing quality stabilization after repairing, separate unit component can be company
Save 200,000 yuan or so of economic benefit.
Brief description of the drawings
Fig. 1 is the structural representation that a kind of low pressure one leads inner ring weld assembly (first half)；
Fig. 2 is the structural representation of room temperature tensile properties test piece of the present invention；
Fig. 3 is the structural representation of high-temperature instantaneous performance test piece of the present invention；
In figure：1- ring forgings, 2- webs, 3- strengthening webs, 4- honeycomb rings, 5- weld seams, the test sides of 6- first, 7- second is examined
Survey end.
Specific embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
As shown in FIG. 1 to 3, a kind of large-scale cantilevered thin walled welds part is damaged cellular repair method, including following step
Suddenly：
Step one：Detection performance test piece is made, the performance test piece includes room temperature tensile properties test piece and high-temperature instantaneous
Performance test piece；
The first test side 6 with the two performance test pieces of material identical board making of strengthening web 3 is chosen, is chosen and honeycomb
Second test side 7 of the two performance test pieces of material identical board making of ring 4, by argon arc welding by the first test side 6 and second
Test side 7 welds together, and forms two performance test piece matrixes；Two performance test piece matrixes are processed according to professional standard respectively
Into room temperature tensile properties test piece and high-temperature instantaneous performance test piece；
Step 2：Room temperature tensile properties test piece and the test piece of high-temperature instantaneous performance is respectively adopted carries out room temperature tensile state and height
Performance detection under warm instantaneous state, judges whether part to be repaired can be welded again by the contrast of detection data；
Step 3：If so, then using the argon-arc welding seam 5 between pincers processing polishing honeycomb ring 4 and strengthening web 3, removal
Former honeycomb ring 4 is dismantled after weld seam 5, the argon arc welding solder joint remained at strengthening web 3 is repaiied in throwing, and metallic luster occur to matrix is
Only；Hammer the circumferential deformation of strengthening web 3 during the former honeycomb ring 4 of correction dismounting into shape with bakelite, it is ensured that the assembling of new honeycomb ring；With third
Ketone carries out preweld cleaning to the weld of strengthening web 3, and in the inner surface scriber line of strengthening web 3, it is determined that new honeycomb
The axial welding position of ring, positions new honeycomb ring and is welded by regulation parameter by argon arc welding by drawing；If it is not, then
The part to be repaired can not place under repair；
Step 4：After the completion of welding, aging strengthening model is carried out to postwelding component.
Claims (1)
1. a kind of large-scale cantilevered thin walled welds part is damaged cellular repair method, it is characterised in that comprise the following steps：
Step one：Detection performance test piece is made, the performance test piece includes room temperature tensile properties test piece and high-temperature instantaneous performance
Test piece；
The first test side with the two performance test pieces of board making of strengthening web material identical is chosen, is chosen and honeycomb ring material
Second test side of two performance test pieces of identical board making, is welded the first test side and the second test side by argon arc welding
Together, two performance test piece matrixes are formed；Two performance test piece matrixes are processed into room temperature tensile according to professional standard respectively
Performance test piece and high-temperature instantaneous performance test piece；
Step 2：Room temperature tensile properties test piece and the test piece of high-temperature instantaneous performance is respectively adopted carries out room temperature tensile state and high temperature wink
When state under performance detection, judge whether part to be repaired can be welded again by the contrast of detection data；
Step 3：If so, the argon-arc welding seam then polished between honeycomb ring and strengthening web, tears former honeycomb ring open after removal weld seam
Unload, the argon arc welding solder joint remained at strengthening web is repaiied in throwing, there is metallic luster to matrix；The former honeycomb ring process of correction dismounting
The circumferential deformation of middle strengthening web；Carry out preweld cleaning, and inner surface line in strengthening web determines the axial direction of new honeycomb ring
Welding position, is welded by argon arc welding positioning honeycomb ring and by regulation parameter by drawing；If it is not, then this to be repaired zero
Part can not place under repair；
Step 4：After the completion of welding, aging strengthening model is carried out to postwelding component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611036792.3A CN106735752A (en) | 2016-11-22 | 2016-11-22 | A kind of large-scale cantilevered thin walled welds part is damaged cellular repair method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611036792.3A CN106735752A (en) | 2016-11-22 | 2016-11-22 | A kind of large-scale cantilevered thin walled welds part is damaged cellular repair method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106735752A true CN106735752A (en) | 2017-05-31 |
Family
ID=58970308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611036792.3A Pending CN106735752A (en) | 2016-11-22 | 2016-11-22 | A kind of large-scale cantilevered thin walled welds part is damaged cellular repair method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106735752A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109500496A (en) * | 2018-11-23 | 2019-03-22 | 中国航发沈阳黎明航空发动机有限责任公司 | A kind of aero-engine titanium alloy blade injure after repair method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102107319A (en) * | 2009-12-23 | 2011-06-29 | 沈阳黎明航空发动机(集团)有限责任公司 | Method for repairing arc-seam weld porosity defects of titanium alloy sheets through hot rolling |
| CN102284772A (en) * | 2011-08-25 | 2011-12-21 | 哈尔滨汽轮机厂有限责任公司 | Argon arc back sealing welding method for housing of low-pressure water supply heater of third-generation nuclear power steam turbine |
| CN102430889A (en) * | 2011-09-09 | 2012-05-02 | 沈阳黎明航空发动机(集团)有限责任公司 | Method for repairing crack and chipping of shunt ring of case |
| CN104209624A (en) * | 2013-06-05 | 2014-12-17 | 中国石油天然气股份有限公司 | Special joint crack repairing process method |
-
2016
- 2016-11-22 CN CN201611036792.3A patent/CN106735752A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102107319A (en) * | 2009-12-23 | 2011-06-29 | 沈阳黎明航空发动机(集团)有限责任公司 | Method for repairing arc-seam weld porosity defects of titanium alloy sheets through hot rolling |
| CN102284772A (en) * | 2011-08-25 | 2011-12-21 | 哈尔滨汽轮机厂有限责任公司 | Argon arc back sealing welding method for housing of low-pressure water supply heater of third-generation nuclear power steam turbine |
| CN102430889A (en) * | 2011-09-09 | 2012-05-02 | 沈阳黎明航空发动机(集团)有限责任公司 | Method for repairing crack and chipping of shunt ring of case |
| CN104209624A (en) * | 2013-06-05 | 2014-12-17 | 中国石油天然气股份有限公司 | Special joint crack repairing process method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109500496A (en) * | 2018-11-23 | 2019-03-22 | 中国航发沈阳黎明航空发动机有限责任公司 | A kind of aero-engine titanium alloy blade injure after repair method |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170531 |
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| RJ01 | Rejection of invention patent application after publication |