CN108637273A - A kind of fixture and process of rotary part facing processing - Google Patents
A kind of fixture and process of rotary part facing processing Download PDFInfo
- Publication number
- CN108637273A CN108637273A CN201810864228.3A CN201810864228A CN108637273A CN 108637273 A CN108637273 A CN 108637273A CN 201810864228 A CN201810864228 A CN 201810864228A CN 108637273 A CN108637273 A CN 108637273A
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- Prior art keywords
- rotary part
- block
- face
- fixture
- stretching block
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/12—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for securing to a spindle in general
- B23Q3/14—Mandrels in general
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B1/00—Methods for turning or working essentially requiring the use of turning-machines; Use of auxiliary equipment in connection with such methods
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Clamps And Clips (AREA)
Abstract
The invention discloses a kind of rotary part facing processing fixture, for clamp rotary part be one end to the part of other end reduced diameter, specifically include：Tightening mechanism and ring pressing mechanism of perforation book, wherein, tightening mechanism can limit rotary part circumferentially rotate and axial movement of the rotary part big end to small end, and the surface of revolution that ring pressing mechanism of perforation book compresses rotary part limits axial movement of the rotary part small end to big end, realize the complete limit to rotary part axial and circumferential, it prevents from shifting when rotary part turnery processing and influencing machining accuracy, while reducing security risk.The invention also discloses a kind of processes that the rotary part facing using above-mentioned fixture is processed.
Description
Technical field
The present invention relates to technical field of engines, more particularly to a kind of the fixture and technique of rotary part facing processing
Method.
Background technology
Rotary thin-wall part is the common component part of aero-engine casing body part.Have very in aero-engine casing body
More parts are welded by both ends installation side and intermediate casing body portion, wherein intermediate casing body portion is typically stamping
Or the rotary thin-wall part of outstanding pressing formation needs to carry out turning, removal two to the both ends of intermediate casing body part before welding
End redundance obtains smooth welding edge.
Rotary thin-wall part is before turnery processing, and due to being stamping or outstanding pressing formation before, part both ends are not
Positioning branch is kept to the side when the curl of rule can not be used as part processing, therefore can only be according to the busbar feature of part when fixture designs
Design elements fixed solution.
Turning fixture mainly fixes both direction to revolving parts, and the circumferential and axial of part are circumferential generally to pass through folder
Tool and the frictional force in feature contacts face provide, axial generally to be connect with part to part axial pressure at two ends or fixture by fixture
The frictional force of contacting surface provides.
And when part to be processed be pass through reduced diameter rotary thin-wall part when, clamp or support
When tight part, from axially, the holder part contacted with part busbar all is at a direction of part, therefore part axial
Only there are one directions by reliable pressure, and other direction is not by pressure, and frictionally retaining element, part is by lathe tool axial direction pressure
When power, it may occur that slight axial displacement, when part is to when being in contact with it holder part opposite direction axial displacement, even if slightly
Displacement is it is also possible that part major part or completely disengage fixed mechanism, and frictional force disappears, the circumferentially fixed failure of part, part hair
Raw rotation, it is unqualified to eventually lead to Dimension Measurement, while part axial fixation may also fail, and part is made to fall, and occur
Dangerous situation.
Invention content
In view of this, the purpose of the present invention is to provide a kind of fixture of rotary part facing processing, with to revolution
Part axial and circumferential complete limit, improve machining accuracy.In addition, another object of the present invention is to provide in a kind of application
State the process of the rotary part facing processing of fixture.
To achieve the above object, the present invention provides the following technical solutions：
A kind of fixture of rotary part facing processing, is that one end is gradual to other end diameter for clamping rotary part
The part of diminution comprising：
Tightening mechanism, the rotary part are set on the outside of the tightening mechanism, and the tightening mechanism limits the revolution
Axial movement of the big end for circumferentially rotating and limiting the rotary part of part to small extreme direction；
Ring pressing mechanism of perforation book, the ring pressing mechanism of perforation book can removably compress the surface of revolution of the rotary part, and limitation is described to return
Turn axial movement of the small end of part to big extreme direction.
Preferably, in above-mentioned fixture, the tightening mechanism includes：
Central shaft；
The outer surface of the fixed cone block being set on the central shaft, the cone block is taper；
The mounting hole of stretching block, the stretching block is bellmouth and coordinates with the outer surface of the cone block, the revolution zero
Part is set in the outside of the stretching block, and the outer surface of the stretching block is bonded with the internal diameter of the rotary part.
Preferably, in above-mentioned fixture, the stretching block is multiple, and is combined into loop configuration along the circumferential direction of the cone block,
The loop configuration can be along the axial movement of the cone block；
The stretching block can pass through lock-screw fixed position.
Preferably, in above-mentioned fixture, further include：Pedestal；
The central shaft passes through the pedestal and fixes on the base；Described cone block one end offsets with the pedestal,
The other end is fixed on by locking cap on the central shaft；The ring pressing mechanism of perforation book is fixed on the base；The stretching block passes through
The lock-screw is fixed on the base；The big end of the stretching block is close to the pedestal.
Preferably, further include press plate mechanism in above-mentioned fixture, the press plate mechanism can removably compress described return
The small end end face for turning part limits axial movement of the small end of the rotary part to big extreme direction.
Preferably, in above-mentioned fixture, the press plate mechanism includes：
Pressing plate for the small end end face for compressing the rotary part；
With the screw for the stretching block small end that the pressing plate is fixed on to the tightening mechanism.
Preferably, in above-mentioned fixture, the press plate mechanism is multiple, and is uniformly distributed along the circumferential direction of the stretching block.
Preferably, in above-mentioned fixture, the ring pressing mechanism of perforation book includes：
Pressure ring for being set in the surface of revolution on the outside of the rotary part；
Installation part for fixing the pressure ring position, the installation part are detachably connected.
Preferably, in above-mentioned fixture, the face that the pressure ring is used to contact with the rotary part is and the revolution zero
The taper surface of the outer surface fitting of part.
A kind of process of rotary part facing processing, using fixture described in any one of the above embodiments comprising step
Suddenly：
Rotary part is mounted on tightening mechanism simultaneously centering, adjusts week of the stretching block realization to rotary part of tightening mechanism
To the big end of limit and rotary part to the axial limiting of small extreme direction；
Press plate mechanism is installed, the small end end face of rotary part is compressed with the pressing plate of the press plate mechanism, and confirms revolution zero
Part axis compares the position that rotary part busbar confirmation big end end face need to process without offset, with model, and processes big end end face；
Ring pressing mechanism of perforation book is installed, the surface of revolution of rotary part is compressed with the pressure ring of ring pressing mechanism of perforation book, press plate mechanism is removed, according to big
End endface position confirms the position that small end end face need to process, processing small end end face.
As can be seen from the above technical solutions, the fixture of rotary part facing processing disclosed in this invention, is used for
It is busbar unidirectionally inclined part to clamp rotary part, is specifically included：Tightening mechanism and ring pressing mechanism of perforation book, wherein tightening mechanism energy
Enough limitation rotary part circumferentially rotate and axial movement of the rotary part big end to small end, and ring pressing mechanism of perforation book compresses revolution zero
The surface of revolution of part limits axial movement of the rotary part small end to big end, that is, realizes to the complete of rotary part axial and circumferential
Limit, prevents from shifting when rotary part turnery processing and influencing machining accuracy, while reducing security risk.
In addition, the invention also discloses a kind of processes of rotary part facing processing, using disclosed above
Therefore fixture has the effect of same as described above.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below to embodiment or existing
Attached drawing is briefly described needed in technology description, it is clear that, the accompanying drawings in the following description is only this hair
Bright embodiment for those of ordinary skill in the art without creative efforts, can also be according to carrying
The attached drawing of confession obtains other attached drawings.
Fig. 1 is the structural schematic diagram of the fixture of the rotary part facing processing disclosed in the embodiment of the present invention；
Fig. 2 is the mounting structure schematic diagram of the press plate mechanism disclosed in the embodiment of the present invention；
Fig. 3 is the vertical view of the pedestal disclosed in the embodiment of the present invention；
Fig. 4 is AA sectional views in Fig. 3；
Fig. 5 is the front sectional view of the pedestal disclosed in the embodiment of the present invention；
Fig. 6 is the vertical view of the stretching block disclosed in the embodiment of the present invention；
Fig. 7 is multiple spliced vertical views of stretching block disclosed in the embodiment of the present invention；
Fig. 8 is the flow chart of the process of the rotary part facing processing disclosed in the embodiment of the present invention；
Wherein, 1 is pedestal；Axis centered on 2；3 be cone block；4 be stretching block；5 be rotary part；6 be pressing plate；7 be screw；
8 be pressure ring；9 be installation part；10 be lock-screw；11 be locating piece；12 be block；13 be spring；14 be locking cap.
Specific implementation mode
In view of this, core of the invention is to provide a kind of fixture of rotary part facing processing, with to revolution
Part axial and circumferential complete limit, improve machining accuracy.In addition, another core of the present invention is for fear of a kind of application of offer
The process of the rotary part facing processing of above-mentioned fixture.
In order to enable those skilled in the art to better understand the solution of the present invention, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.
As shown in Fig. 1-Fig. 7, the invention discloses a kind of fixtures of rotary part facing processing, for clamping revolution
Part 5 be one end to the part of other end reduced diameter, specifically include：Tightening mechanism and ring pressing mechanism of perforation book.Wherein, zero is turned round
The surface of revolution of part 5 is the conical surface or cambered surface, the structure as reduced to a direction.Rotary part 5 is set on the outside of tightening mechanism,
And by after tightening mechanism stretching limit rotary part 5 circumferentially rotate and axis from the big end of rotary part 5 to small extreme direction
To movement；And ring pressing mechanism of perforation book compresses axial movement of surface of revolution limitation 5 small end of rotary part of rotary part 5 to big end, i.e., in fact
The complete limit to 5 axial and circumferential of rotary part is showed, has prevented from shifting when 5 turnery processing of rotary part and influencing to process
Precision, while reducing security risk.
Big end in the application is the larger one end of the component diameter, and small end is the smaller one end of diameter.
In specific embodiment, above-mentioned tightening mechanism includes central shaft 2, cone block 3 and stretching block 4.Wherein, central shaft 2
As the central module of entire fixture, and as the installation foundation of tightening mechanism, the size of central shaft 2 can be according to different needs
It is set, and in protection domain.The above-mentioned fixation of cone block 3 is set on central shaft 2, and the outer surface of the cone block 3 is cone
Shape sees that the taper of the cone block 2 is flaring, and the taper of the rotary part 5 after installation is tapered along the same end of central shaft 2.It is above-mentioned
The component that is mounted directly as rotary part 5 of stretching block 4, it acts as stretching rotary part 5, the outer surface of stretching block 4 with
The internal diameter of rotary part 5 is bonded, and is provided circumferential frictional force for rotary part 5, is prevented rotary part 5 from rotating, in addition, the stretching
The mounting hole of block 4 is bellmouth, and the outer surface of cone block 2 is set in by mounting hole, which coordinates with cone block 2, and upper
The identical direction in face sees that the taper of the mounting hole is tapered.It can be limited by boring block 2 and the cooperation of mounting hole by the way of taper
Big extreme direction movement of the stretching block 4 processed to cone block 3.In practice, need by the big end of stretching block 4 fix on the table, with
Prevent stretching block 4 from moving.
In preferred embodiment, which is multiple, and is combined into loop configuration along the circumferential direction of cone block 3.Specifically, every
A stretching block 4 can be a part for loop configuration, such as a quarter ring or one third ring, according to 4 numbers of stretching block into
Row setting, in practice, can set stretching block 4 to identical size, and it is different to may be alternatively provided as central angle, and is protecting
In range.Loop configuration can be enable along the axial movement of cone block 3 using above-mentioned setting, in this way, straight outside changeable loop configuration
Diameter, to adapt to different rotary parts 5, and stretching rotary part 5.The inner circle of the loop configuration is then the peace coordinated with cone block 3
Fill hole.
After adjusting the position of a lot of stretching block 4, in order to limit the movement of stretching block 4, further, by stretching block 4
The state being fixed on by lock-screw 10 after adjustment good position.
In further embodiment, which further includes pedestal 1, specifically, installation base of the pedestal 1 as entire fixture
Plinth provides support for fixture.Above-mentioned central shaft 2 passes through pedestal 1 and is fixed on pedestal 1, it is preferred that can be by central shaft 2
The boss for being fastened on 1 one end of pedestal is arranged in one end, and is connect boss with pedestal 1 by screw, and the other end of central shaft 2 passes through
For connecting cone block 3 after pedestal 1.Cone block 3 is set on central shaft 2, and one end offsets with pedestal 1, and the other end is by locking cap
14 are fixed on central shaft 2, which is set on central shaft 2, which is clamped with cone block 3 by card slot, this
Outside, which can also be nut, be threadedly coupled with cone block 3.The stretching block 4 of tightening mechanism is fixed on by lock-screw 10
On pedestal 1, when mounted, the big end end face of stretching block 4 is bonded close to pedestal 1 and with pedestal 1, improves the stabilization of entire fixture
Property.Above-mentioned ring pressing mechanism of perforation book is fixed on pedestal 1, to provide support for ring pressing mechanism of perforation book, ring pressing mechanism of perforation book is made to stablize support revolution
Part 5.In practice, ring pressing mechanism of perforation book can be also fixed on other component, i.e., ring pressing mechanism of perforation book can be relative to mounted on fixture
On 5 fixed mounting means of rotary part in protection domain.
Specifically, there is the stretching block 4 mounting hole of block 12, block 12 to offset with pedestal 1, block 12 and stretching block 4
Mounting hole close central shaft 2 side wall between be provided with spring 13, by the restoring force of spring 13 make stretching block 4 with cone block
Pressure is generated between 3, ensures the stability of contact.Above-mentioned installation part 10 is connected by block 13 with pedestal 1, and by fixed
Position part 11 positions, specifically, locating piece 11 is positioning pin.
Since ring pressing mechanism of perforation book being detachably mounted on pedestal 1, it can influence revolution zero after installing ring pressing mechanism of perforation book
The processing of 5 big end end face of part, therefore, on this basis, which further includes press plate mechanism, specifically, press plate mechanism can
The small end end face of the compression rotary part 5 of dismounting, limits axial movement of the small end of rotary part 5 to big end.When needing to process
It when small end end face, needs to dismantle lower platen mechanism, the movement from ring pressing mechanism of perforation book limitation 5 small end of rotary part to big end, and working as needs
It when processing big end end face, needs to dismantle lower ring pressing mechanism of perforation book, shifting of the small end of rotary part 5 to big end is limited from press plate mechanism
It is dynamic.
Press plate mechanism in the application includes：Pressing plate 6 and screw 7, wherein pressing plate 6 is used to compress the small end of rotary part 5
End face, and screw 7 is then used for pressing plate 6 being fixed on the small end of stretching block 4 of tightening mechanism.So set, installation top board
The processing of 5 small end end face of rotary part can be influenced after mechanism, therefore, need to dismantle lower platen mechanism when processing small end end face,
And the movement of rotary part 5 is limited by ring pressing mechanism of perforation book.
Since stretching block 4 is multiple, in practice, rotary part 5 deflects in order to prevent, ensures the accurate of positioning, preferably
, press plate mechanism is set as multiple, and being arranged circumferentially along stretching block 4.Specifically, the stretching block 4 has block 12
Mounting hole, block 12 offsets with pedestal 1, is arranged between the side wall of the close central shaft 2 of the mounting hole of block 13 and stretching block 4
There is spring 13, makes to generate pressure between stretching block 4 and cone block 3 by the restoring force of spring 13, ensure the stability of contact.It is above-mentioned
Installation part 10 be connected with pedestal 1 by block 13, and positioned by locating piece 11, specifically, locating piece 11 is positioning pin.
In further embodiment, which includes：Pressure ring 8 and installation part 9.Wherein, pressure ring 8 is for being set in
The surface of revolution in 5 outside of rotary part, and installation part 9 is then used to pressure ring 8 being detachably mounted to pedestal 1, specifically, the peace
Piece installing can be screw.
The face that pressure ring 8 is contacted with rotary part 5 is tapered or its section is arc-shaped, it is ensured that pressure ring 8 can with rotary part 5
Whole circle face contact, makes part reliably compress.The size of pressure ring 8 can be configured according to actual needs, and for pressure ring 8
Rubber can be used in material in practice.
In addition, as shown in figure 8, disclosed herein as well is a kind of processes of rotary part facing processing, specifically
Using the fixture that rotary part facing disclosed in above-described embodiment is processed, following steps are specifically included：
Step S1：Stretching and centering rotary part.
By rotary part, simultaneously centering, the central axis of rotary part are overlapped with the axis of central shaft on tightening mechanism,
The stretching block of adjustment tightening mechanism realizes the big end of circumferential limit and rotary part to rotary part to the axial direction of small extreme direction
Limit.Stretching block and rotary part be bonded restriction circumferentially rotate and axial limiting after then it is believed that rotary part position just
Really.
Step S2：Process the big end end face of rotary part.
Press plate mechanism is installed, the small end end face of rotary part is compressed with the pressing plate of the press plate mechanism, and confirms revolution zero
Part axis compares the position that rotary part busbar confirmation big end end face need to process without offset, with model, and processes big end end face.
Step S3：Process the small end end face of rotary part.
Ring pressing mechanism of perforation book is installed, the surface of revolution of rotary part is compressed with the pressure ring of ring pressing mechanism of perforation book, press plate mechanism is removed, due to mistake
Rotary part is compressed by tightening mechanism and ring pressing mechanism of perforation book or press plate mechanism simultaneously always in journey, thus can guarantee rotary part axis without
Inclination and offset confirms the position that small end end face need to process, processing small end end face according to big end endface position.
Using the processing method, rotary part technique edges are saved, reduce technological design difficulty, it is swollen to reduce rotary part punching press
Difficulty of processing and process time when shape or outstanding pressing formation reduce raw material loss；It realizes that a procedure machines, reduces and add
Work difficulty and process time improve both ends end face machining accuracy.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with other
The difference of embodiment, just to refer each other for identical similar portion between each embodiment.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest range caused.
Claims (10)
1. a kind of fixture of rotary part facing processing, for clamp rotary part (5) be one end to other end diameter by
Tapered small part, which is characterized in that including：
Tightening mechanism, the rotary part are set on the outside of the tightening mechanism, and the tightening mechanism limits the rotary part
(5) axial movement of the big end for circumferentially rotating and limiting the rotary part (5) to small extreme direction；
Ring pressing mechanism of perforation book, the ring pressing mechanism of perforation book can removably compress the surface of revolution of the rotary part (5), limit the revolution
Axial movement of the small end of part (5) to big extreme direction.
2. fixture according to claim 1, which is characterized in that the tightening mechanism includes：
Central shaft (2)；
The outer surface of the fixed cone block (3) being set on the central shaft (2), the cone block (3) is taper；
The mounting hole of stretching block (4), the stretching block (4) is bellmouth and coordinates with the outer surface of the cone block (3), described time
Turn the outside that part (5) is set in the stretching block (4), and the outer surface of the stretching block (4) and the rotary part (5)
Internal diameter is bonded.
3. fixture according to claim 2, which is characterized in that the stretching block (4) is multiple, and along the cone block (3)
Circumferential direction be combined into loop configuration, the loop configuration can be along the axial movement of the cone block (3)；
The stretching block (4) can pass through lock-screw (10) fixed position.
4. fixture according to claim 3, which is characterized in that further include：Pedestal (1)；
The central shaft (2) passes through the pedestal (1) and is fixed on the pedestal (1)；The cone block (3) one end and the bottom
Seat (1) offsets, and the other end is fixed on by locking cap (14) on the central shaft (2)；The ring pressing mechanism of perforation book is fixed on the pedestal
(1) on；The stretching block (4) is fixed on by the lock-screw (10) on the pedestal (1)；The stretching block (4) it is big
End is close to the pedestal (1).
5. according to claim 1-4 any one of them fixtures, which is characterized in that further include press plate mechanism, the press plate mechanism
The small end end face that the rotary part (5) can removably be compressed limits the small end of the rotary part (5) to big extreme direction
Axial movement.
6. fixture according to claim 5, which is characterized in that the press plate mechanism includes：
Pressing plate (6) for the small end end face for compressing the rotary part (5)；
With the screw (7) of stretching block (4) small end that the pressing plate (6) is fixed on to the tightening mechanism.
7. fixture according to claim 6, which is characterized in that the press plate mechanism is multiple, and along the stretching block (4)
Circumferential direction be uniformly distributed.
8. fixture according to claim 1, which is characterized in that the ring pressing mechanism of perforation book includes：
Pressure ring (8) for being set in the surface of revolution on the outside of the rotary part (5)；
Installation part (9) for fixing the pressure ring (8) position, the installation part (9) are detachably connected.
9. fixture according to claim 8, which is characterized in that the pressure ring (8) with the rotary part (5) for contacting
Face be the taper surface being bonded with the outer surface of the rotary part (5).
10. a kind of process of rotary part facing processing, using such as claim 1-9 any one of them fixture,
It is characterised in that it includes step：
By rotary part, simultaneously centering, the stretching block realization for adjusting tightening mechanism limit the circumferential direction of rotary part on tightening mechanism
Axial limiting of the big end of position and rotary part to small extreme direction；
Press plate mechanism is installed, the small end end face of rotary part is compressed with the pressing plate of the press plate mechanism, and confirms rotary part axis
Line compares the position that rotary part busbar confirmation big end end face need to process without offset, with model, and processes big end end face；
Ring pressing mechanism of perforation book is installed, the surface of revolution of rotary part is compressed with the pressure ring of ring pressing mechanism of perforation book, press plate mechanism is removed, according to big end end
The position that face location confirmation small end end face need to process, processing small end end face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810864228.3A CN108637273A (en) | 2018-08-01 | 2018-08-01 | A kind of fixture and process of rotary part facing processing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810864228.3A CN108637273A (en) | 2018-08-01 | 2018-08-01 | A kind of fixture and process of rotary part facing processing |
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| CN108637273A true CN108637273A (en) | 2018-10-12 |
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| CN109317547A (en) * | 2018-12-07 | 2019-02-12 | 中国航发南方工业有限公司 | The process equipment and processing method of annular element inner annular groove |
| CN109352119A (en) * | 2018-11-23 | 2019-02-19 | 中国航发沈阳黎明航空发动机有限责任公司 | It is a kind of to improve certain clamp structure for obturaging ring assemblies class part soldering clamping precision |
| CN111878511A (en) * | 2020-08-04 | 2020-11-03 | 湖南南方通用航空发动机有限公司 | Bearing mount assembly, bushing mounting method, and bearing mounting system |
| CN112247607A (en) * | 2020-10-14 | 2021-01-22 | 常州工程职业技术学院 | Thin-wall part turning clamp |
| CN114055211A (en) * | 2021-12-06 | 2022-02-18 | 西安航天动力机械有限公司 | Clamp and method for turning thin-wall disc-shaped part on lathe |
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| CN106271715A (en) * | 2016-09-29 | 2017-01-04 | 中航湖南通用航空发动机有限公司 | A kind of annular element stationary fixture |
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| CN109352119A (en) * | 2018-11-23 | 2019-02-19 | 中国航发沈阳黎明航空发动机有限责任公司 | It is a kind of to improve certain clamp structure for obturaging ring assemblies class part soldering clamping precision |
| CN109317547A (en) * | 2018-12-07 | 2019-02-12 | 中国航发南方工业有限公司 | The process equipment and processing method of annular element inner annular groove |
| CN111878511A (en) * | 2020-08-04 | 2020-11-03 | 湖南南方通用航空发动机有限公司 | Bearing mount assembly, bushing mounting method, and bearing mounting system |
| CN111878511B (en) * | 2020-08-04 | 2023-02-03 | 湖南南方通用航空发动机有限公司 | Bearing mount assembly, bushing mounting method, and bearing mounting system |
| CN112247607A (en) * | 2020-10-14 | 2021-01-22 | 常州工程职业技术学院 | Thin-wall part turning clamp |
| CN112247607B (en) * | 2020-10-14 | 2022-05-17 | 常州工程职业技术学院 | Thin-wall part turning clamp |
| CN114055211A (en) * | 2021-12-06 | 2022-02-18 | 西安航天动力机械有限公司 | Clamp and method for turning thin-wall disc-shaped part on lathe |
| CN114055211B (en) * | 2021-12-06 | 2023-11-10 | 西安航天动力机械有限公司 | Clamp and method for turning thin-wall disc-shaped part on lathe |
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