CN107088753A - A kind of turbine disk-like accessory groove edge finishing process and processing unit (plant) - Google Patents
A kind of turbine disk-like accessory groove edge finishing process and processing unit (plant) Download PDFInfo
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- CN107088753A CN107088753A CN201610606108.4A CN201610606108A CN107088753A CN 107088753 A CN107088753 A CN 107088753A CN 201610606108 A CN201610606108 A CN 201610606108A CN 107088753 A CN107088753 A CN 107088753A
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- turbine disk
- groove
- hairbrush
- edge
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/04—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass for both machining and other metal-working operations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/02—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass turbine or like blades from one piece
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The present invention discloses a kind of turbine disk-like accessory groove edge finishing process, including：Workpiece is installed on fixture；Rotary milling tools, and the milling cutter is fed along preset path, chamfering and/or rounding are carried out to the edge of each tongue-and-groove on the workpiece；The workpiece and hairbrush are rotated, and the hairbrush is fed along preset path, the edge of each tongue-and-groove on the workpiece is polished.Turbine disk-like accessory groove edge finishing process disclosed in this invention, chamfering, rounding and the polishing operation of workpiece groove edge are automatically performed by digital control processing, significantly reduce intensity hand-manipulated, processing efficiency and quality are improved, so as to be more prone to reach the quality requirement of aero-engine.The present invention also provides a kind of turbine disk-like accessory groove edge finishing processing device, and its advantage is as described above.
Description
Technical field
The present invention relates to mechanical technology technical field, more particularly to a kind of turbine disk-like accessory groove edge skin processing work
Skill.
Background technology
With the development of Chinese mechanical industry, increasing plant equipment has been used widely.
In technical field of aerospace, aero-engine has reached its maturity.Aero-engine is also space shuttle sustainer,
It is a kind of extremely complex power set, using the liquid hydrogen/oxygen in external tank as propellant.The composition structure of aero-engine is very
It is many, including turbine, petrolift, combustion chamber, all kinds of valves and universal joint etc..Wherein mostly important with combustion chamber, it is mainly used in
Pressure-air and fuel oil mixed combustion, chemical energy is converted into heat energy, the combustion gas of HTHP is formed.
The turbine disk is the critical component in aero-turbine rotor, is revolved at a high speed under HTHP and complicated dynamic loading
Turn, working environment is extremely severe.Turbine disc mortise position is engaged with blade tenon position, because vane stress is complicated, to disk
The contact surface interaction of tongue-and-groove so that turbine disc mortise edge turns into the weak link for producing stress concentration, how to improve whirlpool
The surface quality at wheel disc chase mortise edge is particularly important.In order to improve the presentation quality of part, the wear-resisting of piece surface is improved
Property, give full play to the function of each part, it is ensured that the overall performance of product, part is obtaining defined dimensional accuracy, geometry essence
After degree, the requirement of surface quality is such as not yet reached, burr, overlap, tool marks are also removed as needed, to reduce surface
The work such as the various defects remained on roughness value, improvement surface stress, elimination piece surface.
In the prior art, for turbine disk-like accessory tongue-and-groove chamfering and rounding processing, traditional processing mode is pincers
Work handwork.The labor intensity of such a technique is big, and processing efficiency is low, and crudy is unstable, it is difficult to meet boat
The quality requirement of empty engine.
Therefore, the intensity hand-manipulated of turbine disk-like accessory groove edge finishing process how is reduced, processing is improved
Efficiency and quality, meet the quality requirement of aero-engine, are those skilled in the art's technical problems urgently to be resolved hurrily.
The content of the invention
It is an object of the invention to provide a kind of turbine disk-like accessory groove edge finishing process, the turbine disk can be reduced
The intensity hand-manipulated of class part groove edge finishing process, improves processing efficiency and quality, meets aero-engine
Quality requirement.It is a further object of the present invention to provide a kind of turbine disk-like accessory groove edge finishing processing device.
In order to solve the above technical problems, the present invention provides a kind of turbine disk-like accessory groove edge finishing process, bag
Include：
Workpiece is installed on fixture；
Rotary milling tools, and the milling cutter is fed along preset path, chamfering is carried out to the edge of each tongue-and-groove on the workpiece
And/or rounding；
The workpiece and hairbrush are rotated, and the hairbrush is fed along preset path, to the side of each tongue-and-groove on the workpiece
Edge is polished.
Preferably, after workpiece is installed on fixture, in addition to：
Location parameter of the workpiece relative to machined surface is detected, and the location parameter that basis is detected before rotary milling tools is to milling
The preset path of knife is modified.
Preferably, in location parameter of the detection workpiece relative to machined surface, jet is carried out simultaneously to the surface of the workpiece
Remove surface attachments.
Preferably, when workpiece is installed on fixture, the installation site of workpiece is adjusted, and makes the cylindrical bounce of workpiece small
In 0.05mm.
Preferably, when the edge of each tongue-and-groove carries out rounding on to the workpiece, controlled by circular interpolation mode described
Milling cutter processes the circular arc of pre-set radius.
Preferably, during rotary milling tools, its rotating speed is made to reach 20000~25000r/min；To each tongue-and-groove on the workpiece
When edge carries out chamfering and/or rounding, its feed speed is set to reach 600~700mm/min.
Preferably, when rotating the workpiece and hairbrush, make the workpiece opposite with the steering of the hairbrush.
The present invention also provides a kind of turbine disk-like accessory groove edge finishing processing device, including：
Fixture, for installing workpiece；
Milling cutter, chamfering and/or rounding are carried out for the edge to each tongue-and-groove on the workpiece；
Hairbrush, is polished for the edge to each tongue-and-groove on the workpiece；
Master Control Center, for rotating the milling cutter and it is fed along preset path, and the rotation workpiece and hairbrush,
And the hairbrush is fed along preset path.
Preferably, the milling cutter is specially hard alloy bulb milling cutter.
Preferably, it is coated with diamond abrasive grain on the hairbrush surface.
Turbine disk-like accessory groove edge finishing process provided by the present invention, mainly includes three steps, is respectively：Will
Workpiece is installed on fixture；Rotary milling tools, and milling cutter is fed along preset path, chamfering is carried out to the edge of each tongue-and-groove on workpiece
And/or rounding；Rotational workpieces and hairbrush, and hairbrush is fed along preset path, the edge of each tongue-and-groove on workpiece is polished.
Wherein, the main contents of the first step are the installation of workpiece, workpiece are installed on fixture fixed, it is to avoid produced in subsequent step
Vibration.The main contents of second step are the processing of chamfering and/or rounding, are rotated at a high speed by power drive milling cutter, then control milling
Knife is moved along preset path, realizes feeding, so that milling cutter contacts workpiece, the edge of each tongue-and-groove on workpiece is carried out
Processing.Herein because some turbine disk-like accessory groove edges only need chamfering, while some turbine disk-like accessory groove edges are again
Only need rounding, and also there is part turbine disk-like accessory groove edge had both needed chamfering to need rounding, therefore milling cutter can be according to
Actual requirement carries out corresponding process operation.The main contents of 3rd step are the polishing of groove edge, are driven simultaneously by power
Workpiece and hairbrush rotate at a high speed, then control hairbrush to be moved along preset path, realize feeding, so that hairbrush contacts work
Part, the out-of-flatness surplus on workpiece is removed, so as to be polished to the edge of each tongue-and-groove on workpiece.In this way, the present invention is carried
The turbine disk-like accessory groove edge finishing process of confession, by digital control processing be automatically performed workpiece groove edge chamfering,
Rounding and polishing operation, significantly reduce intensity hand-manipulated, improve processing efficiency and quality, so as to be more prone to reach boat
The quality requirement of empty engine.Turbine disk-like accessory groove edge finishing processing device provided by the present invention, its advantage
As described above.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
The embodiment of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 is the processing process figure in a kind of embodiment provided by the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Fig. 1 is refer to, Fig. 1 is the processing process figure in a kind of embodiment provided by the present invention.
In a kind of embodiment provided by the present invention, turbine disk-like accessory groove edge finishing process master
To include three steps, be respectively：Workpiece is installed on fixture；Rotary milling tools, and milling cutter is fed along preset path, to work
The edge of each tongue-and-groove carries out chamfering and/or rounding on part；Rotational workpieces and hairbrush, and hairbrush is fed along preset path, to work
The edge of each tongue-and-groove is polished on part.
Wherein, in the first step, main contents are the installation of workpiece, workpiece are installed on fixture fixed, it is to avoid rear
Vibration is produced in continuous step.Specifically, because workpiece is turbine disk-like accessory, its global shape is in the form of annular discs, therefore available pair
The plate-like fixture answered is installed, such as chamfering machine clamp etc., and the through hole of workpiece middle position is inserted into the fixation on fixture
On axle, it is mutually tightened by gear engagement, while the upper and lower surface of workpiece is close to the both ends of the surface of fixture.
In second step, main contents are the processing of chamfering and/or rounding.Specifically, can be high by power drive milling cutter
Speed rotation, such as drive milling cutter to rotate, can typically be promoted to the rotating speed of milling cutter by motor or machine power system etc.
24000r/min.Certainly, the rotating speed of milling cutter can also for 20000,21000,22000,23000,25000r/min or 20000~
Any tachometer value between 25000r/min.After milling cutter reaches preset rotation speed, you can control milling cutter makes it along preset path
Motion, realizes feeding.Obviously, the preset path is set according to the concrete shape of each tongue-and-groove on workpiece, can make milling cutter edge
The edge of tongue-and-groove is processed when preset path feeding, such as chamfering, rounding etc..It should be noted that some turbine disks
Class part groove edge only needs chamfering, while some turbine disk-like accessory groove edges only need rounding again, and also there is part whirlpool
Wheel disk-like accessory groove edge had not only needed chamfering but also had needed rounding, therefore milling cutter can carry out corresponding processing according to actual requirement and grasp
Make.Herein, when milling cutter is processed to the edge of each tongue-and-groove on workpiece, its feed speed can be maintained at 690mm/min.When
So, the feed speed of milling cutter can also for 600,610,620,630,640,650,660,670,680,700mm/min or 600~
Arbitrary speed value between 700mm/min.
In the third step, main contents are the polishing of groove edge.Specifically, can be high by power drive workpiece and hairbrush
Degree rotation, wherein workpiece are moved in fixture upper rotary naturally, and hairbrush can rotate under the drive of drive shaft etc..When hairbrush reaches
After preset rotation speed, you can control hairbrush makes it be moved along preset path, realizes feeding.The preset path of hairbrush is with the pre- of milling cutter
If path is similar, set according to the concrete shape of each tongue-and-groove on workpiece, can make hairbrush along preset path feed when
The edge of tongue-and-groove is processed, the part out-of-flatness surplus of groove edge removed, so that tongue-and-groove be polished.
In this way, turbine disk-like accessory groove edge finishing process provided by the present invention, automatic by digital control processing
Complete workpiece groove edge chamfering, rounding and polishing operation, significantly reduce intensity hand-manipulated, improve processing efficiency and
Quality, so that turbine disk-like accessory is more prone to reach the quality requirement of aero-engine.
In addition, in order to improve the machining accuracy of milling cutter and hairbrush to workpiece groove edge, the present embodiment is in the first step and the
Detecting step is additionally arranged between two steps.Specifically, after workpiece is installed on fixture, can lead to after first step completion
Cross location parameter of the detection workpiece such as position sensor relative to machined surface.Such as, workpiece is generally discoid, and fixture is also in
It is discoid, then its machined surface is some circular surface of fixture.After workpiece is installed on fixture, it is desirable to the center of circle of workpiece with
The center of circle of chucking surface is coaxial, and when mounted, it is likely that deviation occurs, causes both actually not coaxial.Therefore,
In this step, after workpiece is detected relative to the location parameter of machined surface, you can the preset path to milling cutter is modified, and is made
Its preset path considers the influence of installation deviation, so that when milling cutter is rotated at a high speed and workpiece groove edge is processed,
Improve chamfering, rounding precision.
Further, in location parameter of the detection workpiece relative to machined surface, raising accuracy of detection can be taken to arrange simultaneously
Apply, than carrying out jet to the surface of workpiece such as by spray gun, using high velocity air impulsive force by the attachment of workpiece surface,
Impurity, burnishing oil etc. are removed.In this way, the preset path of milling cutter can be improved by improving the installation site precision to workpiece
Amendment accuracy.
Based on same consideration, when installing workpiece by fixture, the installation site of fine-tuning workpiece, and constantly measure work
The installation site of part, it is ensured that the location tolerance of workpiece, which is met, to be required.Such as, the cylindrical bounce of workpiece can be made to be in 0~0.05mm
Between etc..
If in addition, the tongue-and-groove of turbine disk-like accessory needs to carry out rounding, being processed by milling cutter to groove edge
When, milling cutter can be controlled to process the circular arc for meeting pre-set radius in groove edge by circular interpolation mode.It is, of course, also possible to logical
Cross the process operation that the mode such as linear interpolation mode or complex curve Real-time interpolation algorithm controls milling cutter.Herein preferably, rounding
Arc radius may generally be between R0.2~R0.5, or R0.5~R0.7.
In addition, it is necessary to which workpiece and hairbrush are rotated at a high speed before hairbrush is polished to workpiece groove edge.It is excellent herein
Selection of land, can be by the oppositely oriented of workpiece and hairbrush, such as, under the identical plane of reference, workpiece can be to turn clockwise, and hairbrush
It can be rotate counterclockwise.In this way, the relative rotation speed between workpiece and hairbrush is both tachometer value sums, unit greatly improved
Time Interior hairbrush and the contact area of workpiece groove edge, so as to improve polishing effect and throwing of the hairbrush to workpiece groove edge
Light efficiency.
The present invention also provides a kind of turbine disk-like accessory groove edge finishing processing device, mainly including fixture, milling cutter, hair
Brush and Master Control Center.Wherein, fixture is mainly used in installing workpiece, and milling cutter is mainly used in carrying out the edge of each tongue-and-groove on workpiece
Chamfering and/or rounding, hairbrush are mainly used in being polished the edge of each tongue-and-groove on workpiece, and Master Control Center is then used to control milling
The preset path that knife rotates and makes it along itself is fed, while controlling workpiece and hairbrush rotation, and makes hairbrush along the pre- of itself
If path is fed.
In a kind of preferred embodiment on milling cutter, the milling cutter concretely hard alloy bulb milling cutter, the hard
Alloy rose cutter is particularly adapted to complex three-dimensional Machining of Curved Surface, and it has unique cutting edge shape (S types or screw type), processing
Precision is higher.Certainly, the milling cutter can also be the types such as flat-end cutter, profile milling cutter.
In a kind of preferred embodiment on hairbrush, the hairbrush can be according to the edge Working position of each tongue-and-groove on workpiece
Difference and be divided into horizontal hairbrush and longitudinal hairbrush, the direction of hairbrush distinguish be in order to more easily with workpiece groove edge surface
It is in contact, concrete shape selection is needed depending on the situation according to workpiece.Meanwhile, the present embodiment is also coated with the surface of hairbrush
Diamond abrasive grain, in this way, the hardness and durability degree of hairbrush are increased dramatically, so as to improve to workpiece groove edge surface
Polish smoothness so that roughness is greatly reduced, and meets the quality requirement of aero-engine.Certainly, hairbrush surface not only can be with
Diamond coated abrasive particle, can be with grinding-materials such as coated corundums.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for 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, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (10)
1. a kind of turbine disk-like accessory groove edge finishing process, it is characterised in that including：
Workpiece is installed on fixture；
Rotary milling tools, and make the milling cutter be fed along preset path, the edge of each tongue-and-groove on the workpiece is carried out chamfering and/or
Rounding；
The workpiece and hairbrush are rotated, and the hairbrush is fed along preset path, the edge of each tongue-and-groove on the workpiece is entered
Row polishing.
2. turbine disk-like accessory groove edge finishing process according to claim 1, it is characterised in that pacify workpiece
After being attached on fixture, in addition to：
Location parameter of the workpiece relative to machined surface is detected, and the location parameter that basis is detected before rotary milling tools is to milling cutter
Preset path is modified.
3. turbine disk-like accessory groove edge finishing process according to claim 2, it is characterised in that in detection work
Part relative to machined surface location parameter when, jet is carried out to the surface of the workpiece and surface attachments are removed.
4. turbine disk-like accessory groove edge finishing process according to claim 3, it is characterised in that by workpiece
When being installed on fixture, the installation site of workpiece is adjusted, and the cylindrical bounce of workpiece is less than 0.05mm.
5. turbine disk-like accessory groove edge finishing process according to claim 4, it is characterised in that to described
When the edge of each tongue-and-groove carries out rounding on workpiece, the circular arc of the milling cutter processing pre-set radius is controlled by circular interpolation mode.
6. turbine disk-like accessory groove edge finishing process according to claim 5, it is characterised in that rotary milling tools
When, its rotating speed is reached 20000~25000r/min；Chamfering is carried out and/or during rounding to the edge of each tongue-and-groove on the workpiece,
Its feed speed is set to reach 600~700mm/min.
7. turbine disk-like accessory groove edge finishing process according to claim 6, it is characterised in that rotation is described
When workpiece and hairbrush, make the workpiece opposite with the steering of the hairbrush.
8. a kind of turbine disk-like accessory groove edge finishing processing device, it is characterised in that including：
Fixture, for installing workpiece；
Milling cutter, chamfering and/or rounding are carried out for the edge to each tongue-and-groove on the workpiece；
Hairbrush, is polished for the edge to each tongue-and-groove on the workpiece；
Master Control Center, for rotating the milling cutter and it is fed along preset path, and rotates the workpiece and hairbrush, and make
The hairbrush is fed along preset path.
9. turbine disk-like accessory groove edge finishing processing device according to claim 8, it is characterised in that the milling cutter
Specially hard alloy bulb milling cutter.
10. turbine disk-like accessory groove edge finishing processing device according to claim 9, it is characterised in that the hair
Brush is coated with diamond abrasive grain on surface.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610606108.4A CN107088753A (en) | 2016-07-28 | 2016-07-28 | A kind of turbine disk-like accessory groove edge finishing process and processing unit (plant) |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610606108.4A CN107088753A (en) | 2016-07-28 | 2016-07-28 | A kind of turbine disk-like accessory groove edge finishing process and processing unit (plant) |
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| CN107088753A true CN107088753A (en) | 2017-08-25 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108501161A (en) * | 2018-05-29 | 2018-09-07 | 苏州时开纽数控装备有限公司 | A kind of wood working process with mortise |
| CN109746685A (en) * | 2018-11-29 | 2019-05-14 | 中国航发沈阳黎明航空发动机有限责任公司 | The processing method that high-precision high temperature alloy thin-walled double-vane installs the control deformation of side diskware |
| CN111702610A (en) * | 2020-07-07 | 2020-09-25 | 中国航发动力股份有限公司 | Engine wheel disc annular row special-shaped tongue-and-groove sharp edge treatment method |
| CN112192153A (en) * | 2020-09-29 | 2021-01-08 | 中国航发动力股份有限公司 | Tenon tooth edge rounding method |
| CN112207877A (en) * | 2020-09-07 | 2021-01-12 | 中国工程物理研究院激光聚变研究中心 | Method for generating spiral groove on surface of asphalt polishing disc in annular polishing |
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| CN108501161A (en) * | 2018-05-29 | 2018-09-07 | 苏州时开纽数控装备有限公司 | A kind of wood working process with mortise |
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| CN111702610A (en) * | 2020-07-07 | 2020-09-25 | 中国航发动力股份有限公司 | Engine wheel disc annular row special-shaped tongue-and-groove sharp edge treatment method |
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| CN112207877A (en) * | 2020-09-07 | 2021-01-12 | 中国工程物理研究院激光聚变研究中心 | Method for generating spiral groove on surface of asphalt polishing disc in annular polishing |
| CN112192153A (en) * | 2020-09-29 | 2021-01-08 | 中国航发动力股份有限公司 | Tenon tooth edge rounding method |
| CN112192153B (en) * | 2020-09-29 | 2022-04-01 | 中国航发动力股份有限公司 | Tenon tooth edge rounding method |
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Address after: 412000 No. 2 Airway Road, Lusong District, Zhuzhou City, Hunan Province Applicant after: Hunan Nanfang General Aviation Engine Co., Ltd. Address before: 412000 No. 2 Airway Road, Lusong District, Zhuzhou City, Hunan Province Applicant before: AVIC HUNAN GENERAL AVIATION ENGINE CO., LTD. |
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Application publication date: 20170825 |