CN106256466B - Turbine rotor processing method - Google Patents
Turbine rotor processing method Download PDFInfo
- Publication number
- CN106256466B CN106256466B CN201610444274.9A CN201610444274A CN106256466B CN 106256466 B CN106256466 B CN 106256466B CN 201610444274 A CN201610444274 A CN 201610444274A CN 106256466 B CN106256466 B CN 106256466B
- Authority
- CN
- China
- Prior art keywords
- cutting tool
- endless groove
- turbine rotor
- rotor
- tool
- 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.)
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Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B5/00—Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B29/00—Holders for non-rotary cutting tools; Boring bars or boring heads; Accessories for tool holders
- B23B29/04—Tool holders for a single cutting tool
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B29/00—Holders for non-rotary cutting tools; Boring bars or boring heads; Accessories for tool holders
- B23B29/04—Tool holders for a single cutting tool
- B23B29/12—Special arrangements on tool holders
-
- 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
- B23Q16/00—Equipment for precise positioning of tool or work into particular locations not otherwise provided for
- B23Q16/02—Indexing equipment
Abstract
The present invention provides the turbine rotor processing lathe and turbine rotor processing method of a kind of raising that can realize machining accuracy and the shortening of process time.Turbine rotor processing lathe (1) makes turbine rotor (50) rotation with multistage pan portion (51), turning is carried out to the inner peripheral surface (52b, 52c) for being formed in the endless groove (52) between adjacent pan portion (51) by cutting tool (T), which has：Cutting tool installation manner plate (12) is inserted by opening portion (52a) of endless groove (52) in the endless groove (52)；With tool pivoting part (13), it is supported on the front end of Cutting tool installation manner plate (12) in a manner of it can be turned round around rotating shaft (O), cutting tool (T) is made to be turned round between insertion position (PC) and Working position (PL, PR).
Description
Technical field
The present invention relates to for turbine rotor carry out turning turbine rotor processing lathe and turbine rotor process
Method.
Background technology
In general, turbine rotor used in the various turbines such as gas-turbine, steam turbine has by using by whirlpool
The turning moment that impeller blade generates drives the effect of generator.Therefore, on turbine rotor, along rotor axial between defined
Every being provided with discoid pan portion, the peripheral surface of these pan portions being capable of mounting turbine blades.
In addition, between the adjacent pan portion of turbine rotor, endless groove is circumferentially formed with along rotor.In this way in phase
Endless groove is formed between adjacent pan portion, to realize the lightweight of turbine rotor.Also, about the vehicle for carrying out turning to slot
Bed, provides various lathes back and forth, such as has in patent document 1 disclosed.
Existing technical literature
Patent document
Patent document 1：Japanese Unexamined Patent Publication 2011-212778 bulletins
Invention content
The subject that the invention solves
In the endless groove for the peripheral part for being formed in turbine rotor, the well width of opening portion is mostly very narrow.Therefore, sometimes
Posture (installation direction) when being difficult to make cutting tool to keep processing and opening.Then, in previous lathe, in ring
In shape slot, cutting tool are installed on mechanical side with the state for being kept into posture when processing.
As a result, in previous lathe, cutting tool can be installed in narrow endless groove, so its installation exercise becomes multiple
It is miscellaneous.As a result, the installation accuracy of cutting tool can decline, can not only harmful effect be brought to machining accuracy, it is also necessary to processing
The quantity of endless groove correspondingly carry out such installation exercise, it is possible to incur the extension of process time.
Therefore, the present invention completes in order to solve the above problems, and its purpose is to provide can realize carrying for machining accuracy
The turbine rotor processing lathe and turbine rotor processing method of high and process time shortening.
Means for solving the problems
The turbine rotor processing lathe for solving the 1st invention of the above subject makes have multistage disk on rotor axial
The turbine rotor in portion is rotated around armature spindle, by cutting tool come all along rotor between the adjacent pan portion on rotor axial
To the inner peripheral surface of the endless groove of formation, which is characterized in that have：
Moving parts is supported to move up in rotor radial and armature spindle, passes through opening for the endless groove
Oral area and be inserted into the endless groove；
Pivoting part is supported on institute in a manner of it can be turned round around the rotating shaft orthogonal with rotor radial and rotor axial
The front end for stating moving parts enables the cutting tool to be inserted by the opening portion in the cutting tool described
Insertion position in endless groove can carry out the internal face of the endless groove with the cutting tool machining position of turning
It is turned round between setting.
Solve the turbine rotor processing lathe of the 2nd invention of the above subject, which is characterized in that
Have indexing part, the indexing part so that the cutting tool be located in the insertion position and it is described plus
The mode that station is set indexes the pivoting part.
The turbine rotor processing method for solving the 3rd invention of the above subject makes have multistage pan portion on rotor axial
Turbine rotor rotated around armature spindle, by cutting tool come between the adjacent pan portion on rotor axial along rotor circumferential direction
The inner peripheral surface of the endless groove of formation carries out turning, which is characterized in that
The cutting tool are enable to be turned back to the cutting tool on the outside of the endless groove to the endless groove
The internal face carries out the Working position of turning,
The position of tool tip for making the cutting tool for being turned back to the Working position and the opening based on the endless groove
The position in portion and the origin position that sets is consistent,
Pass through the opening portion enabling the cutting tool to be turned back to the cutting tool from the Working position
And after being inserted into the insertion position in the endless groove, the cutting tool are inserted into the ring-type via the opening portion
In slot,
The cutting tool are made to be turned back to the Working position from the insertion position in the endless groove.
Invention effect
Therefore, turbine rotor processing lathe according to the present invention and turbine rotor processing method, because vehicle can be made
It cuts tool to turn round between insertion position and Working position, so the installation that can carry out cutting tool in the outside of endless groove is made
Industry, therefore can with high precision and the short time installs cutting tool.Thereby, it is possible to realize the raising of machining accuracy and processing
The shortening of time.
Description of the drawings
Fig. 1 is the plan view of the turbine rotor processing lathe of one embodiment of the invention.
Fig. 2 is the enlarged drawing of Cutting tool installation manner plate.
Action diagram when Fig. 3 is turning endless groove, (a) are to show that the position of tool tip of cutting tool is made to be moved to origin position
The figure of situation when setting, (b) be situation when showing cutting tool being inserted into endless groove figure, be (c) to show to pass through
The figure of situation when cutting tool carry out the inner peripheral surface of turning endless groove.
Fig. 4 is the axial sectional view of the turbine rotor after turnery processing.
Specific implementation mode
Hereinafter, using attached drawing to the present invention turbine rotor processing lathe and turbine rotor processing method in detail into
Row explanation.
Embodiment
First, turbine rotor processing lathe 1 shown in FIG. 1 is made to the various turbines such as gas-turbine, steam turbine
Turbine rotor 50 carries out the lathe of turnery processing.
Here, being directed to turbine rotor 50, before carrying out turnery processing with lathe 1 using turbine rotor processing, it is used
His processing unit (plant) has carried out roughing in advance.That is, on turbine rotor 50 before turnery processing, with regulation on rotor axial
Interval be formed with multiple pan portions 51 in the form of annular discs, and along rotor circumferential direction between adjacent each pan portion 51 on rotor axial
It is formed with endless groove 52.That is, turbine rotor processing implements turning with lathe 1 to the endless groove 52 with depth on rotor radial
Processing.
Also, as shown in Figure 1, the turbine rotor 50 after roughing is supported on turbine in a manner of it can be rotated around armature spindle
Rotor machining lathe 1.In contrast, it is set on the outside of the turbine rotor processing rotor radial of the turbine rotor 50 in lathe 1
It is equipped with tool table 11.The tool table 11 be supported to can as incision direction rotor radial and become direction of feed
Armature spindle move up.
In addition, being provided in thin plate shaped Cutting tool installation manner plate (moving parts) 12 in the front of tool table 11.The cutter
Mounting plate 12 in order to the rotor axial at the opening portion 52a in gap, endless groove 52 between adjacent pan portion 51 groove width
Passed through in a manner of not contacted with them in degree, and as the longer Boping plate-shaped member on rotor radial.
Moreover, as shown in Figure 1 and Figure 2, in the front end of Cutting tool installation manner plate 12, with can around as with rotor radial with
And the mode of the rotating shaft O revolutions of the orthogonal vertical axis of rotor axial is supported with tool pivoting part (pivoting part) 13.The work
Tool pivoting part 13 is made of revolution axle portion 13a and tool mounting-portion 13b.
Specifically, in the revolution axle portion 13a of shaft-like knife can be supported in a manner of rotating shaft O revolutions (rotation)
Have mounting plate 12 front end, can using rotating shaft O as the centre of gyration and along rotor radial extend and with rotating shaft O just
(such as angle of revolution becomes 0 degree of rotary position, aftermentioned insertion position P to the rotary position set on the line of friendshipC) turn with edge
Son is axially extending and the rotary position that is set on the line orthogonal with rotating shaft O (such as angle of revolution becomes ± 90 degree of revolution
Position, aftermentioned Working position PL、PR) between turn round.
Also, the upper end of revolution axle portion 13a is provided with mouse tooth disk or key equal indicative component 14.That is, revolution axle portion 13a energy
Enough indexed relative to above-mentioned 3 rotary positions by indexing part 14.Moreover, utilizing indexing part 14 in this way
Revolution axle portion 13a is indexing to each rotary position, revolution axle portion 13a can not only accurately be indexed, additionally it is possible to improve
Turn round the supporting rigidity at each rotary position of axle portion 13a.
In addition, tool mounting-portion 13b is formed as protruding towards radial outside from the peripheral part of revolution axle portion 13a, in the work
The front end of tool mounting portion 13b is equipped with cutting tool T in a manner of assemble and unassemble.Cutting tool T becomes the vehicle of turning
Knife.
Therefore, by making tool table 11 move along rotor radial and rotor axial, can make to be installed on Cutting tool installation manner plate
12 cutting tool T-phase moves turbine rotor 50 in incision direction and direction of feed.Moreover, by making tool rotating part
Part 13 is turned round around rotating shaft O, can make cutting tool T using rotating shaft O as the centre of gyration and in insertion position PCWith Working position
PL、 PRBetween turn round.
Also, because tool pivoting part 13 relative to insertion position PCAnd Working position PL、PRCorresponding each time
Indexing is set and is accurately indexed by indexing part 14, so cutting tool T also can be relative to insertion position PCAnd
Working position PL、PRAccurately positioned.Moreover, because the supporting rigidity at each rotary position of tool pivoting part 13 is logical
It crosses indexing part 14 and improves, so the insertion position P of cutting tool TCAnd Working position PL、PRThe supporting rigidity at place also by
It improves.
In addition, Working position PLIt is set in insertion position PCLeft side (rotor axial side), the left sides cutting tool T return
When turning and (being turned round to rotor axial side), become the allocation position of its point of a knife.On the other hand, Working position PRIt is set in insertion
Position PCRight side (the rotor axial other side), cutting tool T right-hand rotations (to the rotor axial other side turn round) when, become it
The allocation position of point of a knife.
At this point, if cutting tool T is positioned to insertion position P by indexing part 14C, then cutting tool T can be with
Cutting tool installation manner plate 12 configures shape in alignment on rotor radial, can be with the Cutting tool installation manner plate 12 together on rotor radial
It is inserted into endless groove 52 by the opening portion 52a of endless groove 52.
On the other hand, if cutting tool T is positioned to Working position P by indexing part 14L、PR, then the turning work
Tool T can be upwardly extended in a manner of orthogonal with the length direction of Cutting tool installation manner plate 12 in armature spindle, from 12 direction of Cutting tool installation manner plate
Armature spindle protrudes outward, and can carry out turning to the slot side 52b and groove bottom 52c of endless groove 52.In addition, slot side
52b and groove bottom 52c constitutes the inner peripheral surface of endless groove 52.
Also, turbine rotor processing lathe 1 is provided with NC (Numerical Control：It is digital control) device (control
Unit processed) 20.Rotating speed, the tool table 11 that the NC devices 20 can control turbine rotor 50 according to the groove shape of endless groove 52
To the movement of rotor radial and rotor axial, the revolution of tool pivoting part 13 (cutting tool T), the incision of cutting tool T
Speed, approach, feed speed, amount of feeding etc..
Then, turbine rotor processing is illustrated with the processing action of lathe 1 using Fig. 3 and Fig. 4.
First, as shown in (a) in Fig. 3, in the outside of endless groove 52, cutting tool T is installed on Cutting tool installation manner plate 12
Tool pivoting part 13, then make cutting tool T automatic rotaries to Working position PL.Then, by making tool table 11 exist
Rotor radial and armature spindle move up, to make the point of a knife of cutting tool T and the left corner (rotor axial of opening portion 52a
One side corner sections) it is opposite.
That is, because by cutting tool T come to the slot side 52b positioned at the left side of endless groove 52 (rotor axial side) with
And groove bottom 52c carries out turning, therefore make the movement of tool table 11 to make the position of tool tip of cutting tool T and be based on opening portion 52a
Left corner position and the origin position that sets is consistent.
Next, as shown in (b) in Fig. 3, by making tool table 11 be moved up in rotor radial and armature spindle, and
And make cutting tool T from Working position PLAutomatic rotary is to insertion position PC, to make Cutting tool installation manner plate 12 and cutting tool T exist
In the 52a of opening portion by by be inserted into endless groove 52.
Then, as shown in (c) in Fig. 3, make cutting tool T from insertion position PCAutomatic rotary is to Working position PL.Its
Afterwards, so that turbine rotor 50 is rotated around armature spindle on one side, tool table 11 made to be moved up in rotor radial and armature spindle on one side,
Incision and feeding are assigned to cutting tool T, turning thus is carried out to slot side 52b and groove bottom 52c.
In turn, cutting tool T is replaced with by the progressively longer cutting tool of tool length by one side successively, on one side repeatedly
Above-mentioned turning action is carried out, to complete the turning to the slot side 52b and groove bottom 52c in left side.
In addition, to the slot side 52b and groove bottom 52c positioned at the right side of endless groove 52 (the rotor axial other side)
In the case of carrying out turning, make position of tool tip of the movement of tool table 11 to make cutting tool T and the right-hand corner based on opening portion 52a
The position in portion's (another side corner sections of rotor axial) and the origin position that sets is consistent, then carry out above-mentioned turning action successively
.
Thus, the slot that endless groove 52 is kept constant from opening portion 52a to groove bottom 52c in the depth direction from well width
The well width that is processed between opposite slot side 52b on the rotor axial slot wider than the well width of opening portion 52a.Then,
As shown in figure 4, by carrying out turnery processing to all endless grooves 52, to complete the processing to turbine rotor 50.
Therefore, turbine rotor processing lathe 1 and turbine rotor processing method according to the present invention, by making turning work
Having T can be using rotating shaft O as the centre of gyration and in insertion position PCWith Working position PL、PRBetween turn round, can be by the turning
Tool T carries out the installation exercise of cutting tool T before being inserted into endless groove 52 (opening portion 52a), therefore can be with high precision and short
Time installs cutting tool T.Thereby, it is possible to realize the shortening of the raising of machining accuracy and process time.
In addition, by can be indexed to tool pivoting part 13 using indexing part 14, it can not only high-precision
Ground carries out indexing and cutting tool T-phase of the tool pivoting part 13 to each rotary position for insertion position PCAnd machining position
Set PL、PRPositioning, additionally it is possible to improve supporting rigidity at each rotary position of tool rotating part material 13 and cutting tool T
Insertion position PCAnd Working position PL、PRThe supporting rigidity at place.Tool pivoting part 13 and cutting tool T are for adding as a result,
The big cutting load in working hour is also resistant to, so the degree of freedom of processing conditions can be improved.
Moreover, because the installation exercise of cutting tool T can be carried out in the outside of endless groove 52, can will become pair
The origin position of machining benchmark when inner peripheral surface 52b, 52c of endless groove 52 carry out turning is set in the outside of endless groove 52.By
This, origin position does not deviate by, which can be fixed on to constant position, therefore even if on one side by cutting tool T
It is altered to the progressively longer tool of tool length successively, turning is repeated on one side, can also prevent the decline of machining accuracy.
Industrial availability
The turbine rotor processing lathe of the present invention can realize the shortening of process time, so being capable of very useful land productivity
Reduction countermeasure for processing charges.
Reference sign
1 turbine rotor processing lathe
11 tool tables
12 Cutting tool installation manner plates
13 tool pivoting parts
13a turns round axle portion
13b tool mounting-portions
14 indexing parts
20 NC devices
50 turbine rotors
51 pan portions
52 endless grooves
The opening portions 52a
52b slots side
52c groove bottoms
T cutting tool
PCInsertion position
PL、PRWorking position
O rotating shafts
Claims (1)
1. a kind of turbine rotor processing method makes the turbine rotor on rotor axial with multistage pan portion be revolved around armature spindle
Turn, by cutting tool come the inner peripheral surface of the endless groove circumferentially formed along rotor between the adjacent pan portion on rotor axial
Carry out turning, which is characterized in that
The cutting tool are enable to be turned back to the cutting tool on the outside of the endless groove to described in the endless groove
Inner peripheral surface carries out the Working position of turning,
The position of tool tip for making the cutting tool for being turned back to the Working position and the opening portion based on the endless groove
Position and the origin position that sets is consistent,
It is inserted by the opening portion enabling the cutting tool to be turned back to the cutting tool from the Working position
Enter to after the insertion position in the endless groove, the cutting tool are inserted into the endless groove via the opening portion
It is interior,
The cutting tool are made to be turned back to the Working position from the insertion position in the endless groove.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015124395A JP5826426B1 (en) | 2015-06-22 | 2015-06-22 | Lathe for machining turbine rotor and method for machining turbine rotor |
| JP2015-124395 | 2015-06-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106256466A CN106256466A (en) | 2016-12-28 |
| CN106256466B true CN106256466B (en) | 2018-09-14 |
Family
ID=54776760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610444274.9A Active CN106256466B (en) | 2015-06-22 | 2016-06-20 | Turbine rotor processing method |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5826426B1 (en) |
| CN (1) | CN106256466B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112059219B (en) * | 2020-09-02 | 2021-04-02 | 一重集团(黑龙江)重工有限公司 | Trial turning method and turning tool for nuclear power conventional island low-voltage rotor |
| CN112191864A (en) * | 2020-09-29 | 2021-01-08 | 中国航发动力股份有限公司 | Machining method for blade installation annular groove |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4043695A (en) * | 1973-03-02 | 1977-08-23 | Alco Standard Corporation | Method of bottle boring |
| US4624158A (en) * | 1985-03-13 | 1986-11-25 | Westinghouse Electric Corp. | Lathe for machining balloon-shaped pockets in a workpiece |
| CN101254578A (en) * | 2008-04-09 | 2008-09-03 | 北京中科科仪技术发展有限责任公司 | Manufacturing method of turbine rotor of large-sized turbine molecular pump |
| CN201279596Y (en) * | 2008-09-26 | 2009-07-29 | 沈阳盛京精益数控机械有限公司 | Cutter for processing differential case internal surface |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5060695U (en) * | 1973-09-29 | 1975-06-04 | ||
| JPS53140689A (en) * | 1977-05-16 | 1978-12-07 | Hitachi Ltd | Rotor machining device |
| JPS557673U (en) * | 1978-06-29 | 1980-01-18 | ||
| US5197361A (en) * | 1991-10-11 | 1993-03-30 | General Electric Company | Surface contouring tool |
| US6536998B2 (en) * | 1998-09-08 | 2003-03-25 | Makino, Inc. | Selectively biased tool and methods of using the same |
| JP2002346808A (en) * | 2001-03-19 | 2002-12-04 | Suzuki Seiko:Kk | Cutter unit for lathe |
| US7690111B2 (en) * | 2005-04-14 | 2010-04-06 | Mechanical Dynamics And Analysis, Llc | Method and apparatus for repairing turbine rotor |
| IN2013CH04514A (en) * | 2013-10-04 | 2015-04-10 | Kennametal India Ltd |
-
2015
- 2015-06-22 JP JP2015124395A patent/JP5826426B1/en active Active
-
2016
- 2016-06-20 CN CN201610444274.9A patent/CN106256466B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4043695A (en) * | 1973-03-02 | 1977-08-23 | Alco Standard Corporation | Method of bottle boring |
| US4624158A (en) * | 1985-03-13 | 1986-11-25 | Westinghouse Electric Corp. | Lathe for machining balloon-shaped pockets in a workpiece |
| CN101254578A (en) * | 2008-04-09 | 2008-09-03 | 北京中科科仪技术发展有限责任公司 | Manufacturing method of turbine rotor of large-sized turbine molecular pump |
| CN201279596Y (en) * | 2008-09-26 | 2009-07-29 | 沈阳盛京精益数控机械有限公司 | Cutter for processing differential case internal surface |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5826426B1 (en) | 2015-12-02 |
| JP2017007025A (en) | 2017-01-12 |
| CN106256466A (en) | 2016-12-28 |
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