CN106256466A - Turbine rotor processing lathe and turbine rotor processing method - Google Patents
Turbine rotor processing lathe and turbine rotor processing method Download PDFInfo
- Publication number
- CN106256466A CN106256466A CN201610444274.9A CN201610444274A CN106256466A CN 106256466 A CN106256466 A CN 106256466A CN 201610444274 A CN201610444274 A CN 201610444274A CN 106256466 A CN106256466 A CN 106256466A
- Authority
- CN
- China
- Prior art keywords
- cutting tool
- endless groove
- turbine rotor
- rotor
- peristome
- 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
- 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 turbine rotor processing lathe and the turbine rotor processing method of a kind of raising being capable of machining accuracy and the shortening of process time.Turbine rotor processing lathe (1) makes the turbine rotor (50) with multistage dish portion (51) rotate, turning is carried out by the inner peripheral surface (52b, 52c) of the cutting tool (T) endless groove (52) to being formed between adjacent dish portion (51), this turbine rotor processing lathe (1) possesses: Cutting tool installation manner plate (12), is inserted in this endless groove (52) by the peristome (52a) of endless groove (52)；With instrument pivoting part (13), so that the leading section of Cutting tool installation manner plate (12) can be supported in the way of gyroaxis (O) turns round, cutting tool (T) are made to turn round between on position (PC) and Working position (PL, PR).
Description
Technical field
The present invention relates to the turbine rotor processing lathe for turbine rotor being carried out turning and turbine rotor processing
Method.
Background technology
In general, the turbine rotor that the various turbine such as gas-turbine, steam turbine is used has by using by whirlpool
The turning moment that impeller blade produces drives the effect of electromotor.Therefore, on turbine rotor, along rotor axial with regulation between
Every being provided with discoid dish portion, the outer peripheral face in these dish portions can mounting turbine blades.
It addition, between the adjacent dish portion of turbine rotor, be formed with endless groove along rotor circumference.By in this wise in phase
Form endless groove between adjacent dish portion, realize the lightweight of turbine rotor.Further, about the car for groove being carried out turning
Bed, in the past since provide various lathe, such as have disclosed in patent documentation 1.
Prior art literature
Patent documentation
Patent documentation 1: Japanese Unexamined Patent Publication 2011-212778 publication
Summary of the invention
The problem that invention is to be solved
In being formed at the endless groove of peripheral part of turbine rotor, the well width of peristome is the narrowest.Therefore, sometimes
It is difficult to make cutting tool keep adding the posture (installation direction) in man-hour and passing through peristome.Then, in conventional lathe, at ring
In shape groove, cutting tool are installed on mechanical side with the state being kept into the posture adding man-hour.
Thus, in conventional lathe, cutting tool can be installed in narrow endless groove, so its installation exercise becomes multiple
Miscellaneous.Its result, the installation accuracy of cutting tool can decline, and not only machining accuracy can be brought harmful effect, in addition it is also necessary to processing
The quantity of endless groove correspondingly carry out such installation exercise, it is possible to cause the prolongation of process time.
Therefore, the present invention is to solve that above-mentioned problem completes, its object is to provide and be capable of carrying of machining accuracy
The turbine rotor processing lathe of the shortening of height and process time and turbine rotor processing method.
For solving the means of problem
Solve the turbine rotor processing lathe of the 1st invention of above-mentioned problem, make that there is on rotor axial multistage dish
The turbine rotor in portion rotates around armature spindle, is come all along rotor between described dish portion adjacent on rotor axial by cutting tool
Inner peripheral surface to the endless groove formed, it is characterised in that possess:
Mobile parts, are supported to move up at rotor radial and armature spindle, by opening of described endless groove
Oral area and be inserted in this endless groove；
Pivoting part, can be supported on institute in the way of the gyroaxis revolution orthogonal with rotor radial and rotor axial
State the leading section of mobile parts, enable described cutting tool to be inserted into by described peristome described at described cutting tool
On position in endless groove and described cutting tool can carry out the machining position of turning to the described internal face of described endless groove
Turn round between putting.
Solve the turbine rotor processing lathe of the 2nd invention of above-mentioned problem, it is characterised in that
Possess indexing part, this indexing part so that described cutting tool be located in described on position and described in add
Described pivoting part is indexed by the mode that station is put.
Solve the turbine rotor processing method of the 3rd invention of above-mentioned problem, make that there is on rotor axial multistage dish portion
Turbine rotor rotate around armature spindle, by cutting tool come between described dish portion adjacent on rotor axial along rotor circumference
The inner peripheral surface of the endless groove formed carries out turning, it is characterised in that
Described cutting tool are enable to be turned back to described cutting tool to described endless groove in the outside of described endless groove
Described internal face carries out the Working position of turning,
Make the position of tool tip being turned back to the described cutting tool of described Working position and opening based on described endless groove
The position in portion and the origin position that sets is consistent,
Described cutting tool have been turned back to it by described peristome from described Working position enabling described cutting tool
And after being inserted into the on position in described endless groove, described cutting tool are inserted into described ring-type via described peristome
In groove,
Described cutting tool are made to be turned back to described Working position from described on position in described endless groove.
Invention effect
Therefore, according to turbine rotor processing lathe and the turbine rotor processing method of the present invention, because car can be made
Instrument of cutting turns round between on position and Working position, it is possible to the installation carrying out cutting tool in the outside of endless groove is made
Industry, therefore, it is possible to install cutting tool with high accuracy and short time.Thereby, it is possible to realize raising and the processing of machining accuracy
The shortening of time.
Accompanying drawing explanation
Fig. 1 is the plane graph of the turbine rotor processing lathe of one embodiment of the invention.
Fig. 2 is the enlarged drawing of Cutting tool installation manner plate.
Fig. 3 is action diagram during turning endless groove, and (a) is to illustrate to make the position of tool tip of cutting tool be moved to initial point position
The figure of situation when putting, (b) is the figure illustrating situation when being inserted into by cutting tool in endless groove, and (c) is to be shown 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.
Detailed description of the invention
Hereinafter, use accompanying drawing that turbine rotor processing lathe and the turbine rotor processing method of the present invention are entered in detail
Row explanation.
Embodiment
First, the turbine rotor processing lathe 1 shown in Fig. 1 is that turbine various to gas-turbine, steam turbine etc. is made
Turbine rotor 50 carry out the lathe of turnery processing.
Here, for turbine rotor 50, before using turbine rotor processing lathe 1 to carry out turnery processing, use it
His processing unit (plant) has carried out roughing in advance.That is, on the turbine rotor 50 before turnery processing, with regulation on rotor axial
Interval be formed between multiple dish portions 51 in the form of annular discs, and each dish portion 51 adjacent on rotor axial along rotor circumference
It is formed with endless groove 52.That is, the endless groove 52 on rotor radial with the degree of depth is implemented turning by turbine rotor processing lathe 1
Processing.
Further, as it is shown in figure 1, the turbine rotor 50 after roughing is can be supported on turbine in the way of armature spindle rotates
Rotor machining lathe 1.On the other hand, set outside the rotor radial of the turbine rotor 50 in turbine rotor processing lathe 1
It is equipped with tool table 11.This tool table 11 is supported to becoming the rotor radial in incision direction and to become direction of feed
Armature spindle moves up.
It addition, be provided with (the mobile parts) 12 in thin plate shaped Cutting tool installation manner plate in the front portion of tool table 11.This cutter
Installing plate 12 in order to gap between adjacent dish portion 51, endless groove 52 peristome 52a at the groove width of rotor axial
Pass through in the way of not contacting with them in Du, and become Boping plate-shaped member longer on rotor radial.
And, as shown in Figure 1 and Figure 2, in the leading section of Cutting tool installation manner plate 12, with can around become with rotor radial with
And the mode of the gyroaxis O revolution of the orthogonal vertical axis of rotor axial is supported with instrument pivoting part (pivoting part) 13.This work
Tool pivoting part 13 is made up of gyroaxis portion 13a and tool mounting-portion 13b.
Specifically, the gyroaxis portion 13a in shaft-like is can be supported on cutter in the way of gyroaxis O turns round (rotation)
The leading section of installing plate 12, it is possible to extending and orthogonal with gyroaxis O along rotor radial with this gyroaxis O as the centre of gyration
Line on the rotary position that sets (such as angle of revolution becomes the rotary position of 0 degree, on position P described laterC) and along rotor
Rotary position that is axially extending and that set on the line orthogonal with gyroaxis O (such as angle of revolution becomes ± the revolution position of 90 degree
Put, Working position P described laterL、PRTurn round between).
Further, the upper end at gyroaxis portion 13a is provided with mouse tooth disk or key equal indicative parts 14.That is, gyroaxis portion 13a energy
Enough indexed relative to above-mentioned 3 rotary positions by indexing part 14.And, by utilizing indexing part 14 in this wise
Gyroaxis portion 13a is indexing to each rotary position, this gyroaxis portion 13a can not only be indexed accurately, additionally it is possible to improve
Supporting rigidity at each rotary position of gyroaxis portion 13a.
It addition, tool mounting-portion 13b is formed as being radially oriented protruding outside from the peripheral part of gyroaxis portion 13a, in this work
The leading section of tool installation portion 13b is can be equipped with cutting tool T in the way of loading and unloading.These cutting tool T becomes the car of turning
Cutter.
Therefore, by making tool table 11 move along rotor radial and rotor axial, it is possible to make to be installed on Cutting tool installation manner plate
The cutting tool T-phase of 12 moves on incision direction and direction of feed for turbine rotor 50.And, by making instrument rotating part
Part 13 turns round around gyroaxis O, it is possible to make cutting tool T with gyroaxis O as the centre of gyration on position PCWith Working position
PL、PRBetween turn round.
Further, because instrument pivoting part 13 relative to on position PCAnd Working position PL、PRCorresponding each revolution
Position and be indexed accurately, so cutting tool T also can be relative to this on position P by indexing part 14CAnd add
Station puts PL、PRIt is positioned accurately.And, because the supporting rigidity at each rotary position of instrument pivoting part 13 passes through
Indexing part 14 and improve, so the on position P of cutting tool TCAnd Working position PL、PRThe supporting rigidity at place is also carried
High.
Additionally, Working position PLIt is set on position PCLeft side (rotor axial side), return on a cutting tool T left side
When turning (turning 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 (rotor axial opposite side), cutting tool T right-hand rotation (to rotor axial opposite side turn round) time, become it
The allocation position of point of a knife.
Now, if cutting tool T is positioned on position P by indexing part 14C, then these cutting tool T can be with
Cutting tool installation manner plate 12 is configured to straight line shape on rotor radial, it is possible to together with this Cutting tool installation manner plate 12 on rotor radial
It is inserted in endless groove 52 by the peristome 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 these cutting tool
T can upwardly extend at armature spindle in the way of orthogonal with the length direction of Cutting tool installation manner plate 12, from Cutting tool installation manner plate 12 towards turning
Son is axially external prominent, it is possible to groove side 52b and groove bottom 52c to endless groove 52 carry out turning.Additionally, groove side 52b
And groove bottom 52c constitutes the inner peripheral surface of endless groove 52.
Further, turbine rotor processing lathe 1 is provided with the (control of NC (Numerical Control: digital control) device
Unit processed) 20.This NC device 20 can according to the groove shape of endless groove 52 control the rotating speed of turbine rotor 50, tool table 11 to
Rotor radial and the movement of rotor axial, the revolution of instrument pivoting part 13 (cutting tool T), the incision speed of cutting tool T
Degree, approach, feed speed, the amount of feeding etc..
Then, use Fig. 3 and Fig. 4 that the processing action of turbine rotor processing lathe 1 is illustrated.
First, as shown in Fig. 3 (a), in the outside of endless groove 52, cutting tool T is installed on the work of Cutting tool installation manner plate 12
Tool pivoting part 13, then makes these cutting tool T automatic rotary to Working position PL.Then, by making tool table 11 at rotor
Radial direction and armature spindle move up, and make the point of a knife of cutting tool T and left corner (the rotor axial side of peristome 52a
Corner) relatively.
That is, because be pointed to by cutting tool T the groove side 52b in the left side (rotor axial side) of endless groove 52 with
And groove bottom 52c carries out turning, therefore make tool table 11 move and make the position of tool tip of cutting tool T and based on peristome 52a
The position of left corner and the origin position that sets is consistent.
It follows that as shown in Fig. 3 (b), by making tool table 11 move up at rotor radial and armature spindle, and make
Cutting tool T is from Working position PLAutomatic rotary is on position PC, make Cutting tool installation manner plate 12 and cutting tool T at opening
In portion 52a by and be inserted in endless groove 52.
Then, as shown in Fig. 3 (c), make cutting tool T from position PCAutomatic rotary is to Working position PL.Thereafter, one
While make turbine rotor 50 rotate around armature spindle, tool table 11 is made to move up at rotor radial and armature spindle, to turning
Instrument T gives incision and feeding, thus groove side 52b and groove bottom 52c is carried out turning.
And then, by cutting tool T being replaced with successively the cutting tool that tool length is progressively longer, the most repeatedly
Carry out above-mentioned turning action, complete the groove side 52b to left side and the turning of groove bottom 52c.
It addition, enter at the groove side 52b on right side (rotor axial opposite side) and groove bottom 52c being pointed to endless groove 52
In the case of driving is cut, tool table 11 is made to move the position of tool tip making cutting tool T and right corners based on peristome 52a
The position in (rotor axial opposite side corner) and the origin position that sets is consistent, carry out above-mentioned turning action the most successively i.e.
Can.
Thus, endless groove 52 keeps constant groove quilt from peristome 52a to groove bottom 52c in the depth direction from well width
Be processed on rotor axial relative to groove side 52b between the wide groove of the well width well width than peristome 52a.Then, as
Shown in Fig. 4, by all of endless groove 52 is carried out turnery processing, complete the processing to turbine rotor 50.
Therefore, according to turbine rotor processing lathe 1 and the turbine rotor processing method of the present invention, by making turning work
Tool T can be with gyroaxis O as the centre of gyration on position PCWith Working position PL、PRBetween turn round, it is possible to by this turning
Instrument T carries out the installation exercise of cutting tool T before inserting endless groove 52 (peristome 52a), therefore, it is possible to high accuracy and short
Time installs cutting tool T.Thereby, it is possible to realize the raising of machining accuracy and the shortening of process time.
It addition, by utilizing indexing part 14 that instrument pivoting part 13 is indexed, can not only high accuracy
Ground carries out the instrument pivoting part 13 indexing to each rotary position and cutting tool T-phase on position PCAnd machining position
Put PL、PRLocation, additionally it is possible to improve the supporting rigidity at each rotary position of instrument rotating part material 13 and cutting tool T
On position PCAnd Working position PL、PRThe supporting rigidity at place.Thus, instrument pivoting part 13 and cutting tool T are for processing
Time big cutting load also be able to tolerance, it is possible to improve processing conditions degree of freedom.
And, because the installation exercise of cutting tool T can be carried out in the outside of endless groove 52, it is possible to will become right
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 deviates by, it is possible to this origin position is fixed on constant position, even if therefore by cutting tool T
It is altered to the progressively longer instrument of tool length successively while turning is repeated, it is also possible to prevent the decline of machining accuracy.
Industrial applicability
The turbine rotor processing lathe of the present invention is capable of the shortening of process time, it is possible to the land productivity that is highly profitable
Reduction countermeasure for processing charges.
Description of reference numerals
1 turbine rotor processing lathe
11 tool tables
12 Cutting tool installation manner plates
13 instrument pivoting parts
13a gyroaxis portion
13b tool mounting-portion
14 indexing parts
20 NC devices
50 turbine rotors
51 dish portions
52 endless grooves
52a peristome
52b groove side
52c groove bottom
T cutting tool
PCOn position
PL、PRWorking position
O gyroaxis
Claims (3)
1. a turbine rotor processing lathe, makes the turbine rotor on rotor axial with multistage dish portion revolve around armature spindle
Turn, carry out the inner peripheral surface to the endless groove formed along rotor circumference between described dish portion adjacent on rotor axial by cutting tool
Carry out turning, it is characterised in that possess:
Mobile parts, are supported to move up at rotor radial and armature spindle, by the peristome of described endless groove
And be inserted in this endless groove；With
Pivoting part, can be supported on described shifting in the way of the gyroaxis revolution orthogonal with rotor radial and rotor axial
The leading section of dynamic component, enables described cutting tool to be inserted into described ring-type at described cutting tool by described peristome
On position in groove and described cutting tool the described internal face of described endless groove can be carried out turning Working position it
Between turn round.
Turbine rotor processing lathe the most according to claim 1, it is characterised in that
Possessing indexing part, this indexing part is so that described cutting tool are located in described on position and described machining position
Described pivoting part is indexed by the mode put.
3. a turbine rotor processing method, makes the turbine rotor on rotor axial with multistage dish portion revolve around armature spindle
Turn, carry out the inner peripheral surface to the endless groove formed along rotor circumference between described dish portion adjacent on rotor axial by cutting tool
Carry out turning, it is characterised in that
Described cutting tool are enable to be turned back to described cutting tool in the outside of described endless groove to described in described endless groove
Internal face carries out the Working position of turning,
Make the position of tool tip being turned back to the described cutting tool of described Working position and peristome based on described endless groove
Position and the origin position that sets is consistent,
Inserted by described peristome enabling described cutting tool to be turned back to described cutting tool from described Working position
After entering the on position in described endless groove, described cutting tool are inserted into described endless groove via described peristome
In,
Described cutting tool are made to be turned back to described Working position from described on position in described endless groove.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015-124395 | 2015-06-22 | ||
| JP2015124395A JP5826426B1 (en) | 2015-06-22 | 2015-06-22 | Lathe for machining turbine rotor and method for machining turbine rotor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106256466A true CN106256466A (en) | 2016-12-28 |
| CN106256466B 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) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112059219A (en) * | 2020-09-02 | 2020-12-11 | 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 |
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| US20140245607A1 (en) * | 2005-04-14 | 2014-09-04 | Mechanical Dynamics And Analysis, Llc | Method and apparatus for repairing turbine rotor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US4043695A (en) * | 1973-03-02 | 1977-08-23 | Alco Standard Corporation | Method of bottle boring |
| JPS53140689A (en) * | 1977-05-16 | 1978-12-07 | Hitachi Ltd | Rotor machining device |
| US4624158A (en) * | 1985-03-13 | 1986-11-25 | Westinghouse Electric Corp. | Lathe for machining balloon-shaped pockets in a workpiece |
| US20140245607A1 (en) * | 2005-04-14 | 2014-09-04 | Mechanical Dynamics And Analysis, Llc | Method and apparatus for repairing turbine rotor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112059219A (en) * | 2020-09-02 | 2020-12-11 | 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 |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5826426B1 (en) | 2015-12-02 |
| CN106256466B (en) | 2018-09-14 |
| JP2017007025A (en) | 2017-01-12 |
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