CN110253062A - A kind of processing method of impeller cover member - Google Patents
A kind of processing method of impeller cover member Download PDFInfo
- Publication number
- CN110253062A CN110253062A CN201910662149.9A CN201910662149A CN110253062A CN 110253062 A CN110253062 A CN 110253062A CN 201910662149 A CN201910662149 A CN 201910662149A CN 110253062 A CN110253062 A CN 110253062A
- Authority
- CN
- China
- Prior art keywords
- impeller
- cover member
- housing body
- kidney slot
- processing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
- B23C3/28—Grooving workpieces
- B23C3/34—Milling grooves of other forms, e.g. circumferential
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- B23C5/02—Milling-cutters characterised by the shape of the cutter
- B23C5/12—Cutters specially designed for producing particular profiles
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of processing methods of impeller cover member, including processing kidney slot process on impeller housing body, it includes: to process kidney slot using CNC milling machine that kidney slot process is processed on impeller housing body, and the width that CNC milling machine is used to process the tail portion of the cutter of waist-shaped hole is greater than the width of tool nose.By being transformed to cutter, the width of cutter tail end is greater than the width of tool nose, increase the width of cutter tail portion to improve the Resisting fractre intensity of cutter entirety, the width on the head of cutter is set to meet the requirement of processing kidney slot simultaneously, to during impeller cover member, CNC milling machine can be used to replace in the prior art by the way of laser cutting, to avoid the problem that the waiting time when processing kidney slot is too long, it also can avoid laser cutting and generate re cast layer in finished surface, and then reduce the consumption of cost of labor.In addition, the internal structure that also can avoid part is destroyed.
Description
Technical field
The present invention relates to aero-engine technology fields, more specifically to a kind of processing side of impeller cover member
Method.
Background technique
Aero-engine is aircraft " heart ", and " jewel " being known as on aircraft industry " imperial crown ", advance is weighing apparatus
Measure the important symbol of a National Industrial level and ability.Along with the rapid development of World Airways industry, aero-engine exists
While constantly researching and developing new machine, also to the material of engine and architectural characteristic, more stringent requirements are proposed.Aero-engine band draws
The impeller outer cover of gas baffle belongs to new design theory, and impeller housing body often uses national standard high temperature alloy GH6XX or American Standard
AMS5XXX,.
Impeller housing body cavity structure is complicated, causes the kidney slot difficulty of processing on impeller housing body big, existing skill
Art generallys use laser cutting mode and processes kidney slot, but laser equipment typically belongs to the bottleneck device of enterprise, negligible amounts,
Cause the latent period for processing part long；In addition, during laser processing re cast layer can be generated in finished surface, it is necessary to increase
Pincers worker process, to remove re cast layer, so as to cause the increase of the pincers worker amount of labour；Further, since laser cutting difference adds in machinery
There is destruction inside parts structure in the mode of work, can not carry out metallographic to each part using the part of laser processing
It checks, to not can guarantee the basic flawless of part.
Therefore, the waiting for a long time, expenditure of labor amount for how solving kidney slot processing is more and easily damage to part
Problem is a problem to be solved by those skilled in the art.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of processing method of impeller cover member, which overcomes
CNC milling machine is difficult to the problem of kidney slot, using CNC milling machine processes kidney slot on impeller housing body, to reduce
The process-cycle of kidney slot reduces the consuming of the amount of labour.
To achieve the goals above, the invention provides the following technical scheme:
A kind of processing method of impeller cover member, including on impeller housing body process kidney slot process, it is described
It includes: to process the kidney slot, the CNC milling machine using CNC milling machine that the kidney slot process is processed on impeller housing body
Width for processing the tail portion of the cutter of the waist-shaped hole is greater than the width of the tool nose.
Preferably, described to be processed before kidney slot process on impeller housing body further include: finishing impeller outer cover sheet
The outer profile process of the outer profile process of body, the finishing impeller housing body includes: first to process the impeller outer cover
The impeller housing body is reprocessed close to the proximal end in the clamping region in distal end of the ontology far from clamping region.
Preferably, the outer profile process of the finishing impeller housing body includes processing skewed slot process, described to add
Work skewed slot process uses cycloid turning mode to feed ascending circular arc when the cycloid turning mode includes: cutter incision and cut
Enter, feeding is increased to maximum when linear interpolation, when cutter is cut out, descending circular arc is fed and cuts out.
Preferably, it is processed after kidney slot process on impeller housing body further include: finishing impeller cover member
The inner hole process of inner hole process, the finishing impeller cover member includes: that technological datum is processed together with design basis.
Preferably, it is processed after kidney slot process on impeller housing body further include: soldering bleed baffle process, it is described
Being brazed bleed baffle process includes: that the bleed baffle is brazed on the impeller housing body to be combined into the impeller outer
Shade assembly, then from the tapping of the bleed baffle to the annular housing inner canister wax of the impeller cover member.
Preferably, annular housing inner canister wax from the tapping from the bleed baffle to the impeller cover member it
Before further include: first the kidney slot being connected to the annular housing is sealed with adhesive plaster.
The processing method of impeller cover member provided by the present invention, including kidney slot work is processed on impeller housing body
Sequence, it includes: to process kidney slot using CNC milling machine that kidney slot process is processed on impeller housing body, and CNC milling machine is for processing
The width of the tail portion of the cutter of waist-shaped hole is greater than the width of tool nose.
The processing method of impeller cover member provided by the present invention makes cutter tail end by being transformed to cutter
Width is greater than the width of tool nose, that is, increases the width of cutter tail portion to improve the Resisting fractre intensity of cutter entirety, make simultaneously
The width on the head of cutter meets the requirement of processing kidney slot, so that numerical control mill can be used during impeller cover member
Bed replaces in the prior art by the way of laser cutting, to avoid the problem that the waiting time when processing kidney slot is too long, also
It can avoid laser cutting and generate re cast layer in finished surface, and then reduce the consumption of cost of labor.In addition, also can avoid part
Internal structure is destroyed.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is the schematic diagram of impeller cover member specific embodiment provided by the present invention；
Fig. 2 is the schematic diagram of impeller housing body specific embodiment provided by the present invention.
Wherein, 1- impeller housing body, 2- bleed baffle, 3- aperture, 4- kidney slot, 5- annular housing.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Core of the invention is to provide a kind of processing method of impeller cover member, which overcomes CNC milling machine
It is difficult to the problem of kidney slot, kidney slot is processed on impeller housing body using CNC milling machine, to reduce adding for kidney slot
The work period reduces the consuming of the amount of labour.
Fig. 1 to Fig. 2 is please referred to, Fig. 1 is the schematic diagram of impeller cover member specific embodiment provided by the present invention；Fig. 2 is
The schematic diagram of impeller housing body specific embodiment provided by the present invention.
The processing method of impeller cover member provided by the present invention, including kidney slot 4 is processed on impeller housing body 1
Process, it includes: to process kidney slot 4 using CNC milling machine that 4 process of kidney slot is processed on impeller housing body 1, and CNC milling machine is used
Width in the tail portion of the cutter of processing waist-shaped hole is greater than the width of tool nose.
For convenient for the understanding of the present invention, first to processing kidney slot 4 can not be carried out using CNC milling machine in the prior art
Reason is illustrated, when processing kidney slot 4 on impeller housing body 1, since the minimum widith of kidney slot 4 has reached 2.5 millis
Rice, and impeller outer cover is placed on longitudinal height on CNC milling machine up to 300 millimeters of effects, and due to the cutter of CNC milling machine from
Upper walking downwards, i.e., vertical walking, therefore, has to be larger than 300 millimeters, and cutter for processing the length of cutter of kidney slot 4
Diameter should be identical as the diameter of kidney slot 4, to realize the processing of kidney slot 4, i.e. cutter needs to be greater than 300 millis for length
Rice, the elongated rod cutter that diameter is 2.5, and this elongated cutter is easy to the excessively middle fracture in processing, it is therefore, existing
Technology can only process kidney slot 4 by the way of laser cutting.
In the present invention, kidney slot 4 is processed using CNC milling machine, and carried out creative improvement to cutter, i.e., will arrive knife
The width of the tail portion of tool is set greater than the structure of head width, to improve the Resisting fractre intensity of cutter tail portion, it is preferred that cutter
It can be all larger than the structure of the width on head, for the width of tail portion and middle part to further increase the Resisting fractre intensity of cutter.
Therefore, the processing method of impeller cover member provided by the present invention, by being transformed to cutter, cutter tail end
Width be greater than the width of tool nose, i.e., the width of increase cutter tail portion is to improve the Resisting fractre intensity of cutter entirety, simultaneously
The width on the head of cutter is set to meet the requirement of processing kidney slot 4, so that numerical control can be used during impeller cover member
Milling machine replace in the prior art using being cut by laser by the way of, to avoid the problem that the waiting time when processing kidney slot 4 is too long,
It also can avoid laser cutting and generate re cast layer in finished surface, and then reduce the consumption of cost of labor.In addition, also can avoid part
Internal structure be destroyed.
On the basis of above-described embodiment, it is contemplated that in the process of impeller cover member, need to impeller outer
The outer profile of cover body 1 is finished, i.e., processes before 4 process of kidney slot on impeller housing body 1 further include: finishing
The outer profile process of impeller housing body 1 is straight due to impeller housing body 1 when processing the outer profile of impeller housing body 1
Diameter is big, the arm length of outer profile, therefore, is easy the problem of causing part deformation in process, the present invention is in finishing leaf
In the outer profile process for taking turns housing body 1: processing distal end of the impeller housing body 1 far from clamping region, first to retain close to dress
The real-time rigidity of the proximal end in clip area domain is reprocessed impeller housing body 1 close to the proximal end in clamping region, is being processed with reducing part
The probability deformed in the process.
On the basis of above-described embodiment, it is contemplated that include in the outer profile process of finishing impeller housing body 1
Skewed slot process is processed, and using the mode of straight line feed when traditional processing skewed slot, the cutting stress of straight line feed is big, goes to
Time is long and feeding speed is big, and therefore, processing efficiency is low, and since cutting stress is big, be easy to cause part deformation and cutter
The problem of damage, the present invention in, processing skewed slot process in, using cycloid turning mode, cycloid turning mode includes: that cutter is cut
It is fashionable, it feeds the incision of ascending circular arc, feeding is increased to maximum when linear interpolation, when cutter is cut out, is fed descending
Circular arc is cut out.Since cycloid cutting is in such a way that circular arc incision and circular arc are cut out, to reduce cutting stress, and then reduce
A possibility that part deformation and tool damage.
On the basis of above-described embodiment, it is contemplated that include finishing impeller in the process of processing impeller cover member
The inner hole process of cover member further includes finishing impeller outer cover after processing 4 process of kidney slot that is, on impeller housing body 1
The inner hole process of component, and the prior art completes the process design basis before the inner hole of finishing impeller cover member, and
When processing the technological datum of inner hole, design basis run-off the straight frequently can lead to, so as to cause error increase, therefore, this hair
In bright, when carrying out finishing inner hole process, technological datum is processed together with design basis, that is, is carrying out finishing inner hole process
Before without fabrication design benchmark, with when carrying out finishing inner hole process technological datum processed together with design basis, with
Exempt to cause the error of design basis to increase.
On the basis of above-mentioned any embodiment, it is contemplated that include soldering in the process in processing impeller cover member
2 process of bleed baffle, i.e., by the soldering of bleed baffle 2 on impeller housing body 1, since baffle 2 will caused to be brazed in impeller
When on housing body 1, bleed baffle 2 can form an annular housing 5 with impeller housing body 1, and this structure determines welding
Pts system poor rigidity afterwards, easily deforms in subsequent process, and therefore, the present invention is in soldering 2 work of bleed baffle
Sequence includes: that bleed baffle 2 is brazed to be combined into impeller cover member on impeller housing body 1, then from bleed baffle 2
To 5 inner canister wax of the annular housing of impeller cover member at aperture 3, to improve the rigidity of impeller cover member, avoid adding subsequent
It is deformed during work, and fifth wheel will not be generated in the annular housing 5 that component is formed.It should be pointed out that subsequent complete
It, should also progress wax process, it is preferred that 4 crevice place of net piece surface and kidney slot can be blotted with dust catcher after processing
The fifth wheels such as iron filings, remove the wax layer of the fifth wheels such as the iron filings that stifled wax position is contained, and part is put into the change wax pan after heating, is removed
Remove all waxes in part cavity.
On the basis of above-described embodiment, it is contemplated that processing connects with annular housing 5 on the inner hole wall of impeller cover member
Logical kidney slot 4, to avoid flowing out out of kidney slot 4 when to 5 inner canister wax of annular housing, it is preferred that from opening for bleed baffle 2
It to 5 inner canister wax of the annular housing of impeller cover member include: the kidney slot 4 for being sealed with adhesive plaster and being connected to annular housing 5 at hole 3,
To improve tank wax efficiency.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The processing method of impeller cover member provided by the present invention is described in detail above.It is used herein
A specific example illustrates the principle and implementation of the invention, and the above embodiments are only used to help understand originally
The method and its core concept of invention.It should be pointed out that for those skilled in the art, not departing from this hair
, can be with several improvements and modifications are made to the present invention under the premise of bright principle, these improvement and modification also fall into power of the present invention
In the protection scope that benefit requires.
Claims (6)
1. a kind of processing method of impeller cover member is included in processing kidney slot (4) process on impeller housing body (1),
It is characterized in that, the described kidney slot (4) process of processing on impeller housing body (1) includes: to process institute using CNC milling machine
It states kidney slot (4), the width that the CNC milling machine is used to process the tail portion of the cutter of the waist-shaped hole is greater than the tool nose
Width.
2. the processing method of impeller cover member according to claim 1, which is characterized in that described in impeller housing body
(1) it is processed before kidney slot (4) process on further include: finish the outer profile process of the impeller housing body (1), the essence
The outer profile process for processing the impeller housing body (1) includes: first to process the impeller housing body (1) far from clamping region
Distal end, reprocess the impeller housing body (1) close to the clamping region proximal end.
3. the processing method of impeller cover member according to claim 2, which is characterized in that the finishing impeller
The outer profile process of housing body (1) includes processing skewed slot process, and the processing skewed slot process uses cycloid turning mode, described
When cycloid turning mode includes: cutter incision, the incision of ascending circular arc is fed, feeding is increased to maximum when linear interpolation,
When cutter is cut out, feeds descending circular arc and cut out.
4. the processing method of impeller cover member according to claim 1, which is characterized in that in impeller housing body (1)
After upper processing kidney slot (4) process further include: the inner hole process of finishing impeller cover member, the finishing impeller outer cover
The inner hole process of component includes: that technological datum is processed together with design basis.
5. the processing method of impeller cover member according to any one of claims 1 to 4, which is characterized in that in impeller outer
It is processed after kidney slot (4) process on cover body (1) further include: soldering bleed baffle (2) process, the soldering bleed baffle
(2) process includes: that the bleed baffle (2) is brazed on the impeller housing body (1) to be combined into impeller cover member,
Then to annular housing (5) inner canister wax of the impeller cover member at the aperture (3) of the bleed baffle (2).
6. the processing method of impeller cover member according to claim 5, which is characterized in that described from the bleed baffle
(2) to before annular housing (5) inner canister wax of the impeller cover member at aperture (3) further include: first with adhesive plaster seal with
The kidney slot (4) of annular housing (5) connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910662149.9A CN110253062B (en) | 2019-07-22 | 2019-07-22 | Machining method of impeller outer cover assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910662149.9A CN110253062B (en) | 2019-07-22 | 2019-07-22 | Machining method of impeller outer cover assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110253062A true CN110253062A (en) | 2019-09-20 |
| CN110253062B CN110253062B (en) | 2020-09-25 |
Family
ID=67927628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910662149.9A Active CN110253062B (en) | 2019-07-22 | 2019-07-22 | Machining method of impeller outer cover assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110253062B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111842999A (en) * | 2020-07-30 | 2020-10-30 | 中煤科工集团重庆研究院有限公司 | Method for machining mounting surface of supporting plate of drilling machine |
| CN112025227A (en) * | 2020-09-18 | 2020-12-04 | 中国航发贵州黎阳航空动力有限公司 | Processing technology for bolt mounting groove of barrel assembly |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0612937A1 (en) * | 1993-02-26 | 1994-08-31 | General Motors Corporation | A method of making a torque converter end cover |
| US20060065502A1 (en) * | 2004-09-24 | 2006-03-30 | Joo In S | Torque converter for vehicle |
| CN201618880U (en) * | 2010-03-17 | 2010-11-03 | 浙江上风实业股份有限公司 | Special machine tool for milling circular arc grooves |
| CN104511639A (en) * | 2013-10-08 | 2015-04-15 | 常州苏科工具有限公司 | Welding-type gain-use moulding cutter |
| CN106808165A (en) * | 2017-02-28 | 2017-06-09 | 中航湖南通用航空发动机有限公司 | The processing method of impeller outer cover in a kind of aero-engine |
-
2019
- 2019-07-22 CN CN201910662149.9A patent/CN110253062B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0612937A1 (en) * | 1993-02-26 | 1994-08-31 | General Motors Corporation | A method of making a torque converter end cover |
| US20060065502A1 (en) * | 2004-09-24 | 2006-03-30 | Joo In S | Torque converter for vehicle |
| CN201618880U (en) * | 2010-03-17 | 2010-11-03 | 浙江上风实业股份有限公司 | Special machine tool for milling circular arc grooves |
| CN104511639A (en) * | 2013-10-08 | 2015-04-15 | 常州苏科工具有限公司 | Welding-type gain-use moulding cutter |
| CN106808165A (en) * | 2017-02-28 | 2017-06-09 | 中航湖南通用航空发动机有限公司 | The processing method of impeller outer cover in a kind of aero-engine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111842999A (en) * | 2020-07-30 | 2020-10-30 | 中煤科工集团重庆研究院有限公司 | Method for machining mounting surface of supporting plate of drilling machine |
| CN112025227A (en) * | 2020-09-18 | 2020-12-04 | 中国航发贵州黎阳航空动力有限公司 | Processing technology for bolt mounting groove of barrel assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110253062B (en) | 2020-09-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103056625B (en) | Integral impeller 5-axis machining method based on UG NX system platform | |
| CN110253062A (en) | A kind of processing method of impeller cover member | |
| WO2007001435A3 (en) | Adaptive machining and weld repair process | |
| AU8282387A (en) | Parts for and methods of repairing turbine blades | |
| CN205129170U (en) | Back of weld that prevents to polish makes electron -beam welding joint of wall thickness reduction | |
| CN104308481A (en) | Stator blade machining method of aeroengine compressor without mounting plate | |
| US8826784B2 (en) | Airfoil machining method and cutting tools | |
| CN104475841A (en) | Long-cantilever large-scale integral blade-disc blade one-step milling method | |
| CN105269398B (en) | A kind of interior rotary surface orthogonal turn-milling processing method | |
| JP6581498B2 (en) | Turbine rotor disk repair method | |
| CN104678893B (en) | The planing method of wide feed path is circumferentially cut in a kind of integral wheel roughing surely | |
| CN110253234A (en) | A kind of processing method of aero-engine low-pressure turbine guider outer cover | |
| CN105127697A (en) | Processing method of lengthened inlet guide vane of combustion gas turbine | |
| CN111570878B (en) | High-speed rough milling method for impeller | |
| CN104227103A (en) | Method for stepped symmetrical milling of thin-wall part | |
| CN109365884A (en) | A kind of rotor blade tip cutting off processing method and its application | |
| KR20170118978A (en) | Steam turbine vane manufacturing method | |
| US20230103408A1 (en) | Turning method for workpiece, machine tool, and non-transitory computer-readable storage medium storing machining program | |
| CN207043401U (en) | A kind of side set bloom milling cutter with chamfering | |
| CN103934726A (en) | Tool locus planning method for closed non-ruled surface numerical control machining | |
| CN110899782B (en) | Machining method for self-adaptive milling of external surface of split case | |
| CN109048180A (en) | The method welded with locating piece | |
| JP4781329B2 (en) | Tool holder | |
| CN111008445B (en) | Cutter shaft determination method for milling closed type integral vane ring cavity fixed shaft | |
| CN204545465U (en) | The different in nature cutter of processing aero-engine guide ring inwall back-off |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |