CN106735831A - A kind of diffusion welding method of pin structure - Google Patents
A kind of diffusion welding method of pin structure Download PDFInfo
- Publication number
- CN106735831A CN106735831A CN201611166159.6A CN201611166159A CN106735831A CN 106735831 A CN106735831 A CN 106735831A CN 201611166159 A CN201611166159 A CN 201611166159A CN 106735831 A CN106735831 A CN 106735831A
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- China
- Prior art keywords
- welding
- pin
- assembly
- burner hearth
- hemisphere
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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
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/02—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating by means of a press ; Diffusion bonding
- B23K20/028—Butt welding
-
- 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
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/14—Preventing or minimising gas access, or using protective gases or vacuum during welding
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
- Arc Welding In General (AREA)
Abstract
The invention discloses a kind of diffusion welding method of pin structure, comprise the following steps：A, making part；B, welding pretreatment；C, shove charge：Pin sub-assembly is put into the welding burner hearth of vacuum diffusion welding machine, and stacking is neat；D, Diffusion Welding；E, cooling, pickup；F, finishing.The present invention has the characteristics of improving welding quality and improve welding efficiency.
Description
Technical field
The present invention relates to a kind of diffusion welding method, particularly a kind of diffusion welding method of pin structure.
Background technology
Plunger hydraulic pump/motor is to realize the precision element that energy is converted by hydraulic oil liquid, in energy conversion process,
Rotor rotates a circle, and can produce the change of oil liquid pressure, and in order to reduce the adverse effect that oil liquid pressure change brings, spy devises
A kind of structure, the structure because of it there is oil liquid pressure to change cushioning effect, therefore be called spherical surge flask.Spherical surge flask is because of it
The particularity of structure can not be by being machined one-shot forming, it is necessary to being aided with welding method realizes the structure, at present typically
Welded using electron beam welding, but its welding quality unstable of existing electron beam welding and efficiency is low.
The content of the invention
It is an object of the present invention to provide a kind of diffusion welding method of pin structure.It has improve welding quality with
And the characteristics of raising welding efficiency.
Technical scheme：A kind of diffusion welding method of pin structure, comprises the following steps：
A, making part：Make pin welding assembly and fixture component；
Pin welding assembly in the step a includes two hemisphere, and hemisphere is provided with welding loading circle convex platform；
Fixture component in the step a is sleeve frock, and sleeve frock end is provided with and welding loading circle convex platform phase
Corresponding welding loading ring groove；
B, welding pretreatment：The face of weld to pin welding assembly carries out pre-welding treatment, then to the pin weldering after the completion for the treatment of
Relay part is assembled with fixture component, forms pin sub-assembly；
C, shove charge：Pin sub-assembly is put into the welding burner hearth of vacuum diffusion welding machine, and stacking is neat；
D, Diffusion Welding；
E, cooling, pickup：
F, finishing：Appearance and size processing is carried out to the pin blank after the completion of welding, pin finished product is obtained.
In a kind of diffusion welding method of foregoing pin structure, the Diffusion Welding in the step d is comprised the following steps：
(1), by the vacuum degree control in vacuum diffusion welding machine welding burner hearth 1.0 × 10-3~1.0 × 10-4The scope of Pa
It is interior；
(2), within the time of 35~40 minutes, the temperature welded in burner hearth is uniformly risen to 800~840 from room temperature
℃；Meanwhile, after the temperature in welding burner hearth reaches 380~420 DEG C, the top board in control welding burner hearth is to pin sub-assembly
Load operations are carried out, pressure value is maintained at 0.4~0.6Kgf/mm2, the time is 8~12 minutes；
(3), during temperature uniformly rises to 800~840 DEG C, adjustment welding pressure reaches 1.1~
1.3Kgf/mm2；
(4), the temperature in burner hearth is being welded for 800~840 DEG C, welding pressure are 1.1~1.3Kgf/mm2Under conditions of,
Pin sub-assembly is welded, weld interval is maintained at 80~100 minutes.
In a kind of diffusion welding method of foregoing pin structure, cooling, pickup in the step e include following step
Suddenly：
1), filling high pure nitrogen makes the temperature drop in welding burner hearth；
2), when the temperature in welding burner hearth drops to 140~160 DEG C, top board is shed to ball
The load of bottle sub-assembly, and lift top board；
3), when temperature drop to 50~70 DEG C, dropping valve is opened；
4) fire door of welding burner hearth, the pin blank that taking-up is welded, are opened.
In a kind of diffusion welding method of foregoing pin structure, the matrix material of the hemisphere is 40CrNiMoA.
In a kind of diffusion welding method of foregoing pin structure, the matrix material of the sleeve frock is BG801.
In a kind of diffusion welding method of foregoing pin structure, the face of weld to pin welding assembly in the step b
Carrying out pre-welding treatment includes gasoline oil removing and acid pickling and rust removing.
In a kind of diffusion welding method of foregoing pin structure, the installation step of pin sub-assembly is in the step b,
A hemisphere is first put into sleeve frock, then another hemisphere is docked with the hemisphere for placing, then with an other sleeve work
On the hemisphere that dress is put after being buckled in, that is, complete the assembling of pin sub-assembly.
In a kind of diffusion welding method of foregoing pin structure, polytrope is provided with the welding burner hearth in the step c
Bottle sub-assembly, graphite paper is provided between neighbouring pin sub-assembly.
In a kind of diffusion welding method of foregoing pin structure, the non-solder contact between the sleeve frock and hemisphere
Position also is provided with graphite paper.
Compared with prior art, the present invention on pin welding assembly by setting welding loading circle convex platform, and welding
Loading anchor ring is as anchor ring size profile is welded and coaxial, in order to the loading and welding of pin welding assembly, and by ball
Bottle welding assembly is assembled with the sleeve frock with welding loading ring groove, and thus facilitating vacuum diffusion welding machine will
Power is acted in welding loading circle convex platform, so as to realize welding the welding extruding between anchor ring so that two welding anchor ring energy
Enough closely laminatings, and two pin welding assemblies to be welded will not be moved, it is ensured that the quality of welding；Meanwhile, weldering
Connect and can pile up stacking up and down between sub-assembly so that multiple welding sub-assemblies can be once placed in welding burner hearth, so that
Obtaining vacuum diffusion welding machine can once weld multiple pins, improve welding efficiency；In addition, neighbouring pin sub-assembly it
Between graphite paper is set, prevent welding be engaged.Welding parameter and welding step by controlling specific Diffusion Welding of the invention, makes
The pin finished product that must be finally given has good welding quality, and reliable and stable.Before pin welding assembly is welded
Treatment so that pin welding assembly solder side keeps clean and tidy, is merged with the material of solder side beneficial to welding material, improves weldering
Connect quality.In sum, the present invention has the characteristics of improving welding quality and improve welding efficiency.
Brief description of the drawings
Fig. 1 is pin sub-assembly welding schematic diagram of the invention；
Fig. 2 is the structural representation of A hemisphere；
Fig. 3 is the structural representation of B hemisphere；
Fig. 4 is the structural representation of pin finished product of the present invention.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and examples, but not as the foundation to present invention limitation.
Embodiment 1.A kind of diffusion welding method of pin structure, is constituted as shown in Figures 1 to 4, is comprised the following steps：
A, making part：Make pin welding assembly and fixture component；
B, welding pretreatment：The face of weld to pin welding assembly carries out pre-welding treatment, then to the pin weldering after the completion for the treatment of
Relay part is assembled with fixture component, forms pin sub-assembly；
C, shove charge：Pin sub-assembly is put into the welding burner hearth of vacuum diffusion welding machine, and stacking is neat；
D, Diffusion Welding：Comprise the following steps：
(1), by the vacuum degree control in vacuum diffusion welding machine welding burner hearth 1.0 × 10-3~1.0 × 10-4The scope of Pa
It is interior；
(2), within the time of 35~40 minutes, the temperature welded in burner hearth is uniformly risen to 800~840 from room temperature
℃；Meanwhile, after the temperature in welding burner hearth reaches 380~420 DEG C, control top board in the welding burner hearth of vacuum diffusion welding machine
Load operations are carried out to pin sub-assembly, pressure value is maintained at 0.4~0.6Kgf/mm2, the time is 8~12 minutes；
(3), during temperature uniformly rises to 800~840 DEG C, adjustment welding pressure reaches 1.1~
1.3Kgf/mm2；
(4), the temperature in burner hearth is being welded for 800~840 DEG C, welding pressure are 1.1~1.3Kgf/mm2Under conditions of,
Pin sub-assembly is welded, weld interval is maintained at 80~100 minutes.
E, cooling, pickup：Comprise the following steps：
1), filling high pure nitrogen makes the temperature drop in welding burner hearth；
2), when the temperature in welding burner hearth drops to 140~160 DEG C, load of the top board to pin sub-assembly is shed, and
Lifting top board；
3), when temperature drop to 50~70 DEG C, dropping valve is opened；
4) fire door of welding burner hearth, the pin blank that taking-up is welded, are opened；
F, finishing：Appearance and size processing is carried out to pin blank, pin finished product is obtained.
Pin welding assembly in the step a includes two hemisphere, and hemisphere is provided with welding loading circle convex platform.It is described
The matrix material of hemisphere is 40CrNiMoA.
Fixture component in the step a is sleeve frock, and sleeve frock end is provided with and welding loading circle convex platform phase
Corresponding welding loading ring groove.The matrix material of the sleeve frock is BG801.
The face of weld to pin welding assembly in the step b carries out pre-welding treatment includes gasoline oil removing and acid pickling and rust removing.
The installation step of pin sub-assembly is in the step b, and a hemisphere first is put into sleeve frock, then by another hemisphere with place
Hemisphere docked, then on the hemisphere put after being buckled in an other sleeve frock, that is, complete the assembling of pin sub-assembly.Institute
State and multilayer pin sub-assembly is provided with the welding burner hearth in step c, being provided with graphite paper between neighbouring pin sub-assembly (removes
The position of two and half ball bondings, other non-solder contacts site are separated with graphite paper), prevent welding to be engaged.The sleeve frock
Non-solder contact site and hemisphere between also is provided with graphite paper.
Embodiment 2.A kind of diffusion welding method of pin structure, is constituted as shown in Figure 1 to Figure 3, is comprised the following steps：
A, making part：Make pin welding assembly and fixture component；
B, welding pretreatment：The face of weld to pin welding assembly carries out pre-welding treatment, then to the pin weldering after the completion for the treatment of
Relay part is assembled with fixture component, forms pin sub-assembly；
C, shove charge：Pin sub-assembly is put into the welding burner hearth of vacuum diffusion welding machine, and stacking is neat；
D, Diffusion Welding：Comprise the following steps：
(1), by the vacuum degree control in vacuum diffusion welding machine welding burner hearth 1.0 × 10-3~1.0 × 10-4The scope of Pa
It is interior；
(2), within the time of 35~40 minutes, the temperature welded in burner hearth is uniformly risen to 820 DEG C from room temperature；Together
When, after the temperature in welding burner hearth reaches 400 DEG C, control top board in the welding burner hearth of vacuum diffusion welding machine to combine pin
Part carries out load operations, and pressure value is maintained at 0.5Kgf/mm2, the time is 10 minutes；
(3), during temperature uniformly rises to 820 DEG C, adjustment welding pressure reaches 1.2Kgf/mm2；
(4), the temperature in burner hearth is being welded for 820 DEG C, welding pressure are 1.2Kgf/mm2Under conditions of, pin is combined
Part is welded, and weld interval is maintained at 90 minutes.
E, cooling, pickup：Comprise the following steps：
1), filling high pure nitrogen makes the temperature drop in welding burner hearth；
2), when the temperature in welding burner hearth drops to 150 DEG C, load of the top board to pin sub-assembly is shed, and lifted
Top board；
3), when temperature drop to 60 DEG C, dropping valve is opened；
4) fire door of welding burner hearth, the pin blank that taking-up is welded, are opened；
F, finishing：Appearance and size processing is carried out to pin blank, pin finished product is obtained.
Pin welding assembly in the step a includes two hemisphere, and hemisphere is provided with welding loading circle convex platform.
The matrix material of the hemisphere is 40CrNiMoA.
Fixture component in the step a is sleeve frock, and sleeve frock end is provided with and welding loading circle convex platform phase
Corresponding welding loading ring groove.
The matrix material of the sleeve frock is BG801.
The face of weld to pin welding assembly in the step b carries out pre-welding treatment includes gasoline oil removing and acid pickling and rust removing.
The installation step of pin sub-assembly is in the step b, and a hemisphere first is put into sleeve frock, then by another hemisphere
Docked with the hemisphere for placing, then on the hemisphere put after being buckled in an other sleeve frock, that is, completed pin sub-assembly
Assembling.
Multilayer pin sub-assembly is provided with welding burner hearth in the step c, is set between neighbouring pin sub-assembly
There is graphite paper (except the position of two and half ball bondings, other non-solder contacts site are separated with graphite paper), prevent welding to be engaged.Institute
The non-solder contact site stated between sleeve frock and hemisphere also is provided with graphite paper.Non-solder contact site refers to sleeve frock
Contact surface between hemisphere.
The purity that described high pure nitrogen refers to nitrogen is more than 99.999%.
Operation principle of the invention：All parts, including A hemisphere and B hemisphere (matrix material are made according to drawing specification respectively
Expect be：40CrNiMoA), sleeve frock (matrix material is BG801)；Before the annular face of weld of A, B hemisphere that will be processed is welded
Treatment (gasoline oil removing, acid pickling and rust removing), then assembled (will A hemisphere be put into sleeve frock, by B hemisphere and A hemisphere pair
Connect, then be buckled on B hemisphere with another sleeve frock)；The pin sub-assembly that will be assembled is put into the weldering of vacuum diffusion welding machine
Connect in burner hearth, each pin sub-assembly stacking is neat, and according to the difference of pin size, every layer is put 2~5 pin groups
Component, puts 2~3 layers, as shown in figure 1, pin sub-assembly adjacent between layers is separated with graphite paper；Weldering is diffused again
Connect：When equipment vacuum degree is 1.0 × 10-3~1.0 × 10-4Pa, carries out burner hearth and rises gentle pressure process according to following two stages
Control：Caused that in-furnace temperature uniformly rises to 820 DEG C from room temperature in 35~40 minutes, while upper pressure in vacuum welding equipment stove
Plate after temperature reaches 400 DEG C, keeps 0.5Kgf/mm to the downward pressure of sub-assembly2Pressure 10 minutes；Uniformly rise in temperature
During 820 DEG C, adjustment welding pressure reaches 1.2Kgf/mm2, it is welded on 820 DEG C and welding pressure 1.2Kgf/mm2
Under conditions of keep 90 minutes；Preferably cooling, pickup：Filling high pure nitrogen declines in-furnace temperature, cools to 150 DEG C or so and unloads
Go top board load and lift top board, to take out the sub-assembly being welded, drop is opened when temperature drop is to 60 DEG C or so
Pressure valve, opens fire door and takes out the pin blank for welding；Appearance and size is carried out according to pin structure to the pin test specimen being welded to add
Work, so as to obtain the pin finished product of needs.
By the setting welding loading circle convex platform on A, B hemisphere, this welds supplementary structure, to realize Diffusion Welding
Welding pressure condition between solder side, as shown in Figure 2；Sleeve tool structure is as shown in figure 1, by setting welding loading annulus
Groove is engaged with the welding loading circle convex platform on A, B hemisphere, and the whole welding to hemisphere is achieved that in welding process
Load the boss face conduction welding pressure of circle convex platform.
Claims (9)
1. a kind of diffusion welding method of pin structure, it is characterised in that：Comprise the following steps：
A, making part：Make pin welding assembly and fixture component；
Pin welding assembly in the step a includes two hemisphere, and welding loading circle convex platform is equipped with each hemisphere；
Fixture component in described step a is sleeve frock, and sleeve frock end is provided with relative with welding loading circle convex platform
The welding loading ring groove answered；
B, welding pretreatment：The face of weld to pin welding assembly carries out pre-welding treatment, then to the pin weld part after the completion for the treatment of
Part is assembled with fixture component, forms pin sub-assembly；
C, shove charge：Pin sub-assembly is put into the welding burner hearth of vacuum diffusion welding machine, and stacking is neat；
D, Diffusion Welding；
E, cooling, pickup；
F, finishing：Appearance and size processing is carried out to the pin blank after the completion of welding, pin finished product is obtained.
2. the diffusion welding method of a kind of pin structure according to claim 1, it is characterised in that：In the step d
Diffusion Welding is comprised the following steps：
(1), by the vacuum degree control in vacuum diffusion welding machine welding burner hearth 1.0 × 10-3~1.0 × 10-4In the range of Pa；
(2), within the time of 35~40 minutes, the temperature welded in burner hearth is uniformly risen to 800~840 DEG C from room temperature；Together
When, after the temperature in welding burner hearth reaches 380~420 DEG C, the top board in control welding burner hearth is carried out to pin sub-assembly
Load operations, pressure value is maintained at 0.4~0.6Kgf/mm2, the time is 8~12 minutes；
(3), during temperature uniformly rises to 800~840 DEG C, adjustment welding pressure reaches 1.1~1.3Kgf/
mm2；
(4), the temperature in burner hearth is being welded for 800~840 DEG C, welding pressure are 1.1~1.3Kgf/mm2Under conditions of, to ball
Bottle sub-assembly is welded, and weld interval is maintained at 80~100 minutes.
3. the diffusion welding method of a kind of pin structure according to claim 1, it is characterised in that：In the step e
Cooling, pickup are comprised the following steps：
1), filling high pure nitrogen makes the temperature drop in welding burner hearth；
2), when the temperature in welding burner hearth drops to 140~160 DEG C, load of the top board to pin sub-assembly is shed, and lifted
Top board；
3), when temperature drop to 50~70 DEG C, dropping valve is opened；
4) fire door of welding burner hearth, the pin blank that taking-up is welded, are opened.
4. the diffusion welding method of a kind of pin structure according to claim 1, it is characterised in that：The matrix of the hemisphere
Material is 40CrNiMoA.
5. the diffusion welding method of a kind of pin structure according to claim 1, it is characterised in that：The sleeve frock
Matrix material is BG801.
6. the diffusion welding method of a kind of pin structure according to claim 1, it is characterised in that：In the step b
Pre-welding treatment is carried out to the face of weld of pin welding assembly includes gasoline oil removing and acid pickling and rust removing.
7. the diffusion welding method of a kind of pin structure according to claim 1, it is characterised in that：Ball in the step b
Bottle sub-assembly installation step be that a hemisphere is first put into sleeve frock, then another hemisphere and the hemisphere for placing are carried out it is right
Connect, then on the hemisphere put after being buckled in another sleeve frock, that is, complete the assembling of pin sub-assembly.
8. the diffusion welding method of a kind of pin structure according to claim 1, it is characterised in that：In the step c
Welding burner hearth in be provided with multilayer pin sub-assembly, be provided with graphite paper between neighbouring pin sub-assembly.
9. a kind of diffusion welding method of the pin structure according to any one of claim 1 to 8 claim, its feature
It is：Non-solder contact site between the sleeve frock and hemisphere also is provided with graphite paper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611166159.6A CN106735831B (en) | 2016-12-16 | 2016-12-16 | A kind of diffusion welding method of ball bottle structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611166159.6A CN106735831B (en) | 2016-12-16 | 2016-12-16 | A kind of diffusion welding method of ball bottle structure |
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| Publication Number | Publication Date |
|---|---|
| CN106735831A true CN106735831A (en) | 2017-05-31 |
| CN106735831B CN106735831B (en) | 2019-03-01 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111136374A (en) * | 2020-01-03 | 2020-05-12 | 中航力源液压股份有限公司 | Isolation method for vacuum diffusion welding |
| CN112276331A (en) * | 2020-10-16 | 2021-01-29 | 中国航发四川燃气涡轮研究院 | Welding method for double-spoke-plate turbine disk |
| CN113305494A (en) * | 2021-06-11 | 2021-08-27 | 贵州永红航空机械有限责任公司 | Special positioning and rotating welding tool and welding method for bobbin assembly |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3752382A (en) * | 1970-08-03 | 1973-08-14 | Gen Motors Corp | Apparatus for welding a cover to a tubular ceramic housing |
| US5190205A (en) * | 1990-10-31 | 1993-03-02 | Kabushiki Kaisha Shinkawa | Bonding head assembly |
| CN1785572A (en) * | 2005-07-28 | 2006-06-14 | 西北工业大学 | Parallelism adaptive pressure head of diffusion welding machine and adaptive regulation method of pressure head |
| CN1883869A (en) * | 2005-06-25 | 2006-12-27 | 林项武 | Vacuum diffusion welding method and apparatus |
| CN2863344Y (en) * | 2005-11-08 | 2007-01-31 | 中国航空工业第一集团公司北京航空制造工程研究所 | Pipe-plate structure piece clamper for vacuum electron beam braze welding |
| CN201300294Y (en) * | 2008-11-19 | 2009-09-02 | 成都飞机工业（集团）有限责任公司 | Automatic butt welding fixture for spherical housing device |
| CN104057201A (en) * | 2014-06-27 | 2014-09-24 | 中航力源液压股份有限公司 | Plunger piston hydraulic pump motor rotor dual alloy structure diffusion welding method |
| CN104439678A (en) * | 2014-11-24 | 2015-03-25 | 中国核动力研究设计院 | CLF-1 steel diffusion welding method |
| CN104781033A (en) * | 2012-11-08 | 2015-07-15 | 原子能技术公司 | Diffusion welding method |
| CN105328171A (en) * | 2015-11-20 | 2016-02-17 | 苏州光韵达光电科技有限公司 | Feeder of BGA solder |
-
2016
- 2016-12-16 CN CN201611166159.6A patent/CN106735831B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3752382A (en) * | 1970-08-03 | 1973-08-14 | Gen Motors Corp | Apparatus for welding a cover to a tubular ceramic housing |
| US5190205A (en) * | 1990-10-31 | 1993-03-02 | Kabushiki Kaisha Shinkawa | Bonding head assembly |
| CN1883869A (en) * | 2005-06-25 | 2006-12-27 | 林项武 | Vacuum diffusion welding method and apparatus |
| CN1785572A (en) * | 2005-07-28 | 2006-06-14 | 西北工业大学 | Parallelism adaptive pressure head of diffusion welding machine and adaptive regulation method of pressure head |
| CN2863344Y (en) * | 2005-11-08 | 2007-01-31 | 中国航空工业第一集团公司北京航空制造工程研究所 | Pipe-plate structure piece clamper for vacuum electron beam braze welding |
| CN201300294Y (en) * | 2008-11-19 | 2009-09-02 | 成都飞机工业（集团）有限责任公司 | Automatic butt welding fixture for spherical housing device |
| CN104781033A (en) * | 2012-11-08 | 2015-07-15 | 原子能技术公司 | Diffusion welding method |
| CN104057201A (en) * | 2014-06-27 | 2014-09-24 | 中航力源液压股份有限公司 | Plunger piston hydraulic pump motor rotor dual alloy structure diffusion welding method |
| CN104439678A (en) * | 2014-11-24 | 2015-03-25 | 中国核动力研究设计院 | CLF-1 steel diffusion welding method |
| CN105328171A (en) * | 2015-11-20 | 2016-02-17 | 苏州光韵达光电科技有限公司 | Feeder of BGA solder |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111136374A (en) * | 2020-01-03 | 2020-05-12 | 中航力源液压股份有限公司 | Isolation method for vacuum diffusion welding |
| CN111136374B (en) * | 2020-01-03 | 2021-12-21 | 中航力源液压股份有限公司 | Isolation method for vacuum diffusion welding |
| CN112276331A (en) * | 2020-10-16 | 2021-01-29 | 中国航发四川燃气涡轮研究院 | Welding method for double-spoke-plate turbine disk |
| CN113305494A (en) * | 2021-06-11 | 2021-08-27 | 贵州永红航空机械有限责任公司 | Special positioning and rotating welding tool and welding method for bobbin assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106735831B (en) | 2019-03-01 |
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