CN106475650B - A kind of no mounting plate blade integral leaf ring method for welding - Google Patents
A kind of no mounting plate blade integral leaf ring method for welding Download PDFInfo
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- CN106475650B CN106475650B CN201611118362.6A CN201611118362A CN106475650B CN 106475650 B CN106475650 B CN 106475650B CN 201611118362 A CN201611118362 A CN 201611118362A CN 106475650 B CN106475650 B CN 106475650B
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- blade
- stainless steel
- thin slice
- steel thin
- brazed
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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
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/0008—Soldering, e.g. brazing, or unsoldering specially adapted for particular articles or work
-
- 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
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/008—Soldering within a furnace
-
- 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
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/20—Preliminary treatment of work or areas to be soldered, e.g. in respect of a galvanic coating
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Arc Welding In General (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a kind of no mounting plate blade integral leaf ring method for welding, this method is to assemble blade after cleaning spare part, and adjust blade gap size to be brazed, percussion spot welding is carried out to vane end faces respectively using stainless steel thin slice A to fix, locating element inner ring and outer rings are assembled using stainless steel thin slice B, cut solder, in blade spot welding moulding solder in place's to be brazed, part is placed in lifts plate, enter furnace to be brazed by parameter, check brazing quality, finally polish solder joint and removal stainless steel thin slice A and stainless steel thin slice B, and clears up at each tack welding.No mounting plate blade integral leaf ring is brazed using method of the present invention, that is, ensure that brazing quality, and saved tooling, reduced costs, it can be in aero-engine manufacturing technology field wide popularization and application.
Description
Technical field
The invention belongs to soldering tech fields, are specifically related to a kind of no mounting plate blade integral leaf ring method for welding.
Background technique
In certain aero-engine, compressor diversion window is whole leaf joint structure, it is by double-row blades and inner and outer rings
Composition, both ends of the blade is fitted without plate (i.e. upper and lower listrium), and every row's blade is 144, blade upper and lower side respectively with inner ring, outer
Ring is connected in the form of being brazed, and forms whole leaf joint form.This is structurally characterized in that：Blade is more, blade profile is small, totally 288 blades,
Blade is arc, size is about 25mm × 10mm, and there are assembly difficultys, and soldering is to use tooling by leaf to be brazed under normal conditions
Piece is fixed, and wastes larger, low efficiency, or use other welding manners, such as argon arc welding, the direct fixed blade of electric resistance welding, in this way
Welding efficiency is lower, and joint clearance of brazing is not easy to guarantee, ratio of brazing area is low, while brazing quality is not easy to guarantee.
Summary of the invention
To solve the above problems, the object of the present invention is to provide a kind of no mounting plate blade integral leaf ring method for welding.
The present invention is achieved by following technical solution.
A kind of no mounting plate blade integral leaf ring method for welding, this method are to assemble blade after cleaning spare part, and adjust
Blade gap size to be brazed carries out percussion spot welding to vane end faces respectively using stainless steel thin slice A and fixes, using Thin Stainless Steel
Piece B assembles locating element inner ring and outer rings, cuts solder and is placed on part flat in blade spot welding moulding solder in place's to be brazed
On supporting plate, enter furnace and be brazed by parameter, check brazing quality, finally polish solder joint and removal stainless steel thin slice A and stainless steel
Thin slice B；Steps are as follows for its specific method：
(1) blade is assembled：After cleaning spare part, blade is respectively charged into the corresponding blade profile slot of part inner and outer rings, then
It is respectively charged into other 287 blades；
(2) gap is adjusted：Adjustment and inspection blade gap size to be brazed；
(3) locating blades：Percussion spot welding is carried out to two end faces of blade respectively using stainless steel thin slice A to fix, according to
Same method distinguishes other 287 blades of spot welding；
(4) interior and outer ring is positioned：After adjusting blade, inner ring and outer ring position, stainless steel thin slice B is placed on part inner ring
With outer ring upper surface, inner ring and outer rings are fixed using percussion spot welding respectively；It is subsequently placed with other 8~16 stainless steel thin slice B；Again
Inner ring and outer rings lower end surface is fixed in the same way；
(5) solder is positioned：The arc to match with blade is made in solder cutting, and is suitable for placing gap to be brazed
Place；Solder is placed in the gap location of blade and slot, is positioned using percussion spot welding；The then pricker of the difference other blades of tack welding
Material；
(6) it checks：It checks stainless steel thin slice A and stainless steel thin slice B positioning scenarios, checks each size of part and blade positioning
Weld situation；
(7) enter the weldering of brazing in controlled atmosphere slice：The spare part assembled is placed in lifts plate and is brazed, protection is entered
Atmosphere soldering oven brazing process variables are：Brazing temperature：1170~1190 DEG C/10min；Argon flow：4~12L/min；
(8) tack weld is removed：After checking brazing quality, the positioning of stainless steel thin slice A and stainless steel thin slice B are removed respectively
Then solder joint removes stainless steel thin slice A and stainless steel thin slice B；
(9) it clears up at each tack welding.
Arc in the step (5) is close with blade.
The outer dimension of the stainless steel thin slice B is greater than the outer dimension of stainless steel thin slice A.
The beneficial effects of the invention are as follows：
Compared with prior art, after the present invention is by cleaning spare part, blade is assembled, adjusts blade clearance ruler to be brazed
It is very little, percussion spot welding is carried out to vane end faces respectively using small stainless steel thin slice and is fixed, using in the assembly positioning of big stainless steel thin slice
Outer ring, in blade spot welding moulding solder in place's to be brazed, shove charge is brazed.Check that brazing quality, polishing solder joint remove stainless steel
Thin slice, cleaning.No mounting plate blade integral leaf ring is brazed using method of the present invention, that is, ensure that brazing quality, again
It saved tooling, reduced costs, it can be in aero-engine manufacturing technology field wide popularization and application.
Detailed description of the invention
Fig. 1 is structural schematic diagram schematic diagram of the invention；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the right view of Fig. 1；
Fig. 4 is the structural schematic diagram of blade to be welded in the present invention.
In figure：1- stainless steel thin slice A, 2- blade, 3- stainless steel thin slice B, 4- solder, 5- inner ring, 6- outer ring.
Specific embodiment
Technical solution of the present invention is further described with reference to the accompanying drawing, but claimed range is not limited to institute
It states.
As shown in Figures 1 to 4, a kind of no mounting plate blade integral leaf ring method for welding of the present invention, the structure are special
Putting is：Blade is more, blade profile is small, totally 288 blades, and to be fitted without plate (listrium), blade arc shaped blade, size is about
25mm×10mm.The method for welding is assembly blade 2 after cleaning spare part, and adjusts the gap size to be brazed of blade 2, using not
Rust steel thin slice A1 carries out percussion spot welding to 2 end face of blade respectively and fixes, and assembles 5 He of locating element inner ring using stainless steel thin slice B3
Outer ring 6 cuts solder 4 and part is placed in lifts plate, enters furnace by parameter in the place's spot welding moulding solder 4 to be brazed of blade 2
It is brazed, checks brazing quality, finally polish solder joint and removal stainless steel thin slice A1 and stainless steel thin slice B3；Its specific method
Steps are as follows：
(1) blade is assembled：After cleaning spare part, blade 2 is respectively charged into the corresponding blade profile slot of part inner and outer rings, with
After be respectively charged into other 287 blades；The spare part is the general designation of blade 2, inner ring 5 and outer ring 6.
(2) gap is adjusted：Adjustment and the inspection gap size to be brazed of blade 2；
(3) locating blades：Percussion spot welding is carried out to two end faces of blade 2 respectively using stainless steel thin slice A1 to fix, and is pressed
Other 287 blades of spot welding are distinguished according to same method；
(4) interior and outer ring is positioned：After adjusting blade 2,6 position of inner ring 5 and outer ring, stainless steel thin slice B3 is placed on part
Inner ring 5 and outer ring 6 are fixed using percussion spot welding in 6 upper surface of inner ring 5 and outer ring respectively；It is subsequently placed with other 8~16 stainless steels
Thin slice B3；Fix 6 lower end surface of inner ring 5 and outer ring in the same way again；
(5) solder is positioned：The arc to match with blade 2 is made in the cutting of solder 4, and is suitable for placing gap to be brazed
Place；Solder 4 is placed in the gap location of blade and slot, is positioned using percussion spot welding；The then pricker of the difference other blades of tack welding
Material；
(6) it checks：It checks stainless steel thin slice A1 and stainless steel thin slice B3 positioning scenarios, checks each size of part and blade 2
Tack welding situation；
(7) enter the weldering of brazing in controlled atmosphere slice：The spare part assembled is placed in lifts plate and is brazed, protection is entered
Atmosphere soldering oven brazing process variables are：Brazing temperature：1170~1190 DEG C/10min；Argon flow：4~12L/min；
(8) tack weld is removed：After checking brazing quality, determining for stainless steel thin slice A1 and stainless steel thin slice B3 is removed respectively
Position solder joint, then removes stainless steel thin slice A1 and stainless steel thin slice B3；
(9) it is cleared up at each tack welding using polishing machine or sand paper.
Arc in the step (5) is close with blade 2.
The outer dimension of the stainless steel thin slice B3 is greater than the outer dimension of stainless steel thin slice A1.
Claims (3)
1. a kind of no mounting plate blade integral leaf ring method for welding, it is characterised in that：This method is assembled after cleaning spare part
Blade (2), and blade (2) gap size to be brazed is adjusted, blade (2) end face is stored up respectively using stainless steel thin slice A (1)
Energy spot welding is fixed, and using stainless steel thin slice B (3) assembly locating element inner ring (5) and outer ring (6), is cut solder (4), in blade
(2) place's spot welding moulding solder (4) to be brazed, part is placed in lifts plate, enters furnace and is brazed by parameter, checks soldering matter
Amount, finally polish solder joint and removal stainless steel thin slice A (1) and stainless steel thin slice B (3)；Steps are as follows for specific method：
(1) blade is assembled：After cleaning spare part, blade (2) is respectively charged into the corresponding blade profile slot of part inner and outer rings, then
It is respectively charged into other 287 blades；
(2) gap is adjusted：Adjustment and inspection blade (2) gap size to be brazed；
(3) locating blades：Percussion spot welding is carried out to two end faces of blade (2) respectively using stainless steel thin slice A (1) to fix, and is pressed
Other 287 blades of spot welding are distinguished according to same method；
(4) interior and outer ring is positioned：Behind adjustment blade (2), inner ring (5) and outer ring (6) position, stainless steel thin slice B (3) is placed on
Inner ring (5) and outer ring (6) are fixed using percussion spot welding in part inner ring (5) and outer ring (6) upper surface respectively；It is subsequently placed with other 8
~16 stainless steel thin slice B (3)；Fix inner ring (5) and outer ring (6) lower end surface in the same way again；
(5) solder is positioned：Solder (4) are cut to the arc for being made and matching with blade (2), and are suitable for placing gap to be brazed
Place；Solder (4) is placed in the gap location of blade and slot, is positioned using percussion spot welding；The subsequent other blades of tack welding respectively
Solder (4)；
(6) it checks：It checks stainless steel thin slice A (1) and stainless steel thin slice B (3) positioning scenarios, checks each size of part and blade
(2) tack welding situation；
(7) enter the weldering of brazing in controlled atmosphere slice：The spare part assembled is placed in lifts plate and is brazed, protective atmosphere is entered
Soldering oven brazing process variables are：Brazing temperature：1170~1190 DEG C/10min；Argon flow：4~12L/min；
(8) tack weld is removed：After checking brazing quality, determining for stainless steel thin slice A (1) and stainless steel thin slice B (3) is removed respectively
Position solder joint, then removes stainless steel thin slice A (1) and stainless steel thin slice B (3)；
(9) it clears up at each tack welding.
2. a kind of no mounting plate blade integral leaf ring method for welding as described in claim 1, it is characterised in that：The step
(5) it is close with blade (2) to cut manufactured arc for solder (4) in.
3. a kind of no mounting plate blade integral leaf ring method for welding as described in claim 1, it is characterised in that：The stainless steel
The outer dimension of thin slice B (3) is greater than the outer dimension of stainless steel thin slice A (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611118362.6A CN106475650B (en) | 2016-12-07 | 2016-12-07 | A kind of no mounting plate blade integral leaf ring method for welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611118362.6A CN106475650B (en) | 2016-12-07 | 2016-12-07 | A kind of no mounting plate blade integral leaf ring method for welding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106475650A CN106475650A (en) | 2017-03-08 |
| CN106475650B true CN106475650B (en) | 2018-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611118362.6A Active CN106475650B (en) | 2016-12-07 | 2016-12-07 | A kind of no mounting plate blade integral leaf ring method for welding |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112658424B (en) * | 2020-12-16 | 2022-06-24 | 中国航发常州兰翔机械有限责任公司 | Vacuum brazing process for radial diffuser and quality inspection method thereof |
| CN113369617B (en) * | 2021-06-30 | 2023-06-27 | 中国航发动力股份有限公司 | Rectifier assembly machining method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3678555A (en) * | 1969-11-15 | 1972-07-25 | Mtu Muenchen Gmbh | Method for connecting cooled or uncooled rotor blades to the blade rim of an associated disc |
| CN202266499U (en) * | 2011-07-04 | 2012-06-06 | 中国航空动力机械研究所 | Stator blade and gas compressor with same |
| CN103817392A (en) * | 2013-12-10 | 2014-05-28 | 贵州黎阳航空动力有限公司 | Gas-protected brazing method for high temperature alloy casing component for aeroengine |
| WO2014193512A2 (en) * | 2013-03-13 | 2014-12-04 | Thomas David J | Gas turbine engine component including a compliant layer |
| CN105328396A (en) * | 2015-11-26 | 2016-02-17 | 沈阳黎明航空发动机(集团)有限责任公司 | Blade replacement and repair method for stator blade assemblies of gas compressors |
| CN205477767U (en) * | 2016-02-03 | 2016-08-17 | 哈尔滨鑫润工业有限公司 | Large -scale air transportation engine quintuplet guide blade |
-
2016
- 2016-12-07 CN CN201611118362.6A patent/CN106475650B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3678555A (en) * | 1969-11-15 | 1972-07-25 | Mtu Muenchen Gmbh | Method for connecting cooled or uncooled rotor blades to the blade rim of an associated disc |
| CN202266499U (en) * | 2011-07-04 | 2012-06-06 | 中国航空动力机械研究所 | Stator blade and gas compressor with same |
| WO2014193512A2 (en) * | 2013-03-13 | 2014-12-04 | Thomas David J | Gas turbine engine component including a compliant layer |
| CN103817392A (en) * | 2013-12-10 | 2014-05-28 | 贵州黎阳航空动力有限公司 | Gas-protected brazing method for high temperature alloy casing component for aeroengine |
| CN105328396A (en) * | 2015-11-26 | 2016-02-17 | 沈阳黎明航空发动机(集团)有限责任公司 | Blade replacement and repair method for stator blade assemblies of gas compressors |
| CN205477767U (en) * | 2016-02-03 | 2016-08-17 | 哈尔滨鑫润工业有限公司 | Large -scale air transportation engine quintuplet guide blade |
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| CN106475650A (en) | 2017-03-08 |
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Address after: 550014 No. 1111 Liyang Road, Baiyun District, Guiyang City, Guizhou Province Patentee after: Chinese Hangfa Guizhou Liyang aero Power Co. Ltd. Address before: 561102 Baiyun Town, Pingba County, Anshun City, Guizhou Province Patentee before: Guizhou Liyang Aerospace Power Co., Ltd. |
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