CN108971540A - The processing method of cutter and the special stator blade mounting hole nest of central casing - Google Patents
The processing method of cutter and the special stator blade mounting hole nest of central casing Download PDFInfo
- Publication number
- CN108971540A CN108971540A CN201810948374.4A CN201810948374A CN108971540A CN 108971540 A CN108971540 A CN 108971540A CN 201810948374 A CN201810948374 A CN 201810948374A CN 108971540 A CN108971540 A CN 108971540A
- Authority
- CN
- China
- Prior art keywords
- nest
- hole
- central casing
- hole nest
- stator blade
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B35/00—Methods for boring or drilling, or for working essentially requiring the use of boring or drilling 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
- B23B29/03—Boring heads
Abstract
The invention discloses the process tools and processing method of a kind of special stator blade mounting hole nest of central casing, which comprises the hole nest far from central casing split is processed；The hole nest of the neighbouring central casing split is processed；It includes: to install just drawing nest knife at the threaded hole for lengthening boring bar end transition axis that the hole nest for the neighbouring central casing split, which carries out processing,；The lengthening boring bar is positioned by the locating shaft and workpiece datum hole；Gradually along the radial direction of hole nest to be processed lengthen it is described just drawing nest knife extension elongation by way of process the hole nest；The invention also discloses a kind of process tools；The method is directed to the hole nest far from central casing split, it is processed using boring spindle, for the hole nest close to central casing split and boring spindle interference, design lengthens boring bar and is processed with the assembly for just drawing nest knife, realizes that the high-precision to special stator blade mounting hole nest, high efficiency are processed.
Description
Technical field
The invention belongs to field of machining, the in particular to a kind of processing method of the special stator blade mounting hole nest of central casing
And cutter.
Background technique
Axial flow compressor center casing has the circumferential apertures nest of axial arranging in circumference, for installing stator blade, stator blade installation
Hole nest is the big nest structure of aperture, and common processing method is using anti-nest cutter of drawing from the inside hole machined stator blade mounting hole of outer circle
Nest, but the stator blade mounting hole nest of SACC reduced scale model machine center casing due to hole nest compared with installation datum hole it is larger, by this structure
Limitation can not design the instead stroke nest cutter met the requirements.
To sum up, traditional processing method is difficult to ensure the precision and effect of the special stator blade mounting hole nest processing of central casing
Rate.
Summary of the invention
The purpose of the present invention is in view of the above-mentioned problems existing in the prior art, provide a kind of simple processing productivity effect it is high and
The processing method of the special stator blade mounting hole nest of the relatively high central casing of processing quality, it is another object of the present invention to a kind of centers
The process tool of the special stator blade mounting hole nest of casing.
A kind of processing method of central special stator blade mounting hole nest of casing includes:
Hole nest far from central casing split is processed；
The hole nest of the neighbouring central casing split is processed；
The hole nest for the neighbouring central casing split carries out processing and includes:
The central casing is dismantled along split；
Nest knife is just being drawn in installation at the threaded hole for lengthening boring bar end transition axis；
The lengthening boring bar is positioned by the locating shaft and workpiece datum hole；
Gradually along the radial direction of hole nest to be processed lengthen it is described just drawing nest knife extension elongation by way of process institute
State hole nest.
Further, the hole nest for separate central casing split, which process, includes:
The central casing is dismantled along split；
Casing split centering is utilized on numerical control borer；
The hole nest far from casing split is processed using boring spindle.
Further, circumferentially shape is equidistantly laid in the central shell body multiple hole nests.
Further, the bottom of the hole nest offers the datum hole.
Further, the axis of rotation of the hole nest is spatially overlapped with the axis of rotation of the datum hole.
On the other hand, the present invention is a kind of cutter, for the processing to the special stator blade mounting hole nest of central casing,
Including
The locating shaft being connect by transition axis with lengthening boring bar；And it is arranged on the transition axis and just draws nest knife.
Further, there are two threaded holes for setting on the transition axis.
Further, the other end of the lengthening boring bar is bored after being provided with.
Further, the rear cone is internally provided with uropore.
Beneficial effects of the present invention:
1. the processing method and cutter of a kind of special stator blade mounting hole nest of central casing provided by the invention, for far from
The hole nest for entreating casing split, central casing is dismantled along split, and casing split centering is utilized on numerical control borer, is utilized
Boring spindle processes the hole nest far from casing split, shortens the process-cycle and machining accuracy is ensured；
2. the processing method and cutter of a kind of special stator blade mounting hole nest of central casing provided by the invention, in neighbouring
The hole nest for entreating casing split and boring spindle interference is processed using the combination for lengthening boring bar and just draw nest knife, so that
Process velocity greatly promotes, significant effect；
3. the processing method and cutter of a kind of special stator blade mounting hole nest of central casing provided by the invention, so that central machine
The special stator blade mounting hole nest processing production domesticization target of shell, which obtains, have been realized, and has filled up domestic manufacturing blank.
Detailed description of the invention
Fig. 1 is the schematic diagram of the section structure of central casing overall structure composition of the present invention.
Fig. 2 is the schematic diagram of the section structure of the upper and lower discrete state of central casing of the present invention.
Fig. 3 is the structural schematic diagram of the present invention for lengthening boring bar.
Fig. 4 is the structural schematic diagram of the present invention for just drawing nest knife installation condition.
Fig. 5 is operating position one schematic diagram of the present invention for just drawing nest knife.
Fig. 6 is operating position two schematic diagram of the present invention for just drawing nest knife.
1, upper central casing, 2, lower central casing, 3, hole nest, 4, datum hole, 5, locating shaft, 6, threaded hole, 7, transition axis, 8,
Lengthen boring bar, 9, rear cone, 10, uropore, 11, screw, 12, just drawing nest knife.
Specific embodiment
The present invention is explained in detail with reference to the accompanying drawing:
Refering to fig. 1 to Fig. 6, central casing is two halves fabricated structure, i.e., by the bottom plane of upper central casing 1 and it is lower in
The top planes of centre casing 2 are engaged composition, and circumferentially shape is disposed with serial hole nest 3, the bottom of hole nest 3 on central casing
It is provided with datum hole 4, the axis of rotation of hole nest 3 is spatially overlapped with the axis of rotation of datum hole 4.
For the hole nest 3 far from central casing split, process steps are as follows:
A, refering to fig. 1, Fig. 2, using the center casing be two halves structure, central casing is dismantled along split；
B, casing split centering is utilized on numerical control borer；
C, the hole nest far from casing split is processed using boring spindle.
For the hole nest 3 of adjacent central casing split and boring spindle interference, process steps are as follows:
A, it is two halves structure using the center casing, central casing is dismantled along split；
B, it refering to Fig. 3, Fig. 4, is installed on lengthening boring bar transition axis and just draws nest knife 12；
C, boring bar is positioned by locating shaft 5 with workpiece datum hole 4, knife bar is protruded into datum hole 4 according to mode shown in Fig. 5；
D, the nest 3 that portals is processed by way of gradually lengthening along the radial direction of hole nest 3 to be processed and just drawing 12 length of nest knife
(refering to Fig. 5, Fig. 6, nest knife 12 is just being drawn from position one shown in fig. 5 and is gradually rising to position two shown in fig. 6, is corresponding to and leans out
The radius length of cutter holder just drawn 12 blade lengths of nest knife and progressively increase to hole nest 3 to be processed).
A kind of cutter provided by the invention, the cutter include locating shaft 5, transition axis 7, lengthen boring bar 8 and just draw
Nest knife 12, refering to Fig. 3, Fig. 4, the other end of the lengthening boring bar 8 bores 9 after being provided with, and rear cone 9 is internally provided with uropore 10,
The surface of uropore 10 is equipped with screw thread.
The left side of the lengthening boring bar 8 is provided with transition axis 7, and locating shaft 5 is connect by transition axis 7 with boring bar 8 is lengthened,
Threaded hole 6 is provided on transition axis 7；
Cutter groove is provided on transition axis, the threaded hole 6 that screw 11 passes through on transition axis 7 is fixed on knife bar for nest knife is just drawn
On.
Heretofore described lengthening boring bar and just draw the assembling that nest knife 12 is existing equipment, therefore, concrete model
There is no further progress to repeat with specification.
To sum up, the present invention finally realizes the processing method and cutter of a kind of special stator blade mounting hole nest of central casing.
The above is only a preferred embodiments of the invention, be not used in limitation the present invention, protection scope of the present invention by
Claims limit.Those skilled in the art within the spirit and scope of the present invention, various repair to what the present invention made
Change or equivalent substitute is also contained in protection scope of the present invention.
Claims (9)
1. a kind of cutter, for the processing to the special stator blade mounting hole nest of central casing, it is characterised in that: including passing through transition axis
(7) locating shaft (5) being connect with lengthening boring bar (8)；And setting just draws nest knife (12) on the transition axis (7).
2. a kind of cutter according to claim 1, it is characterised in that: there are two threaded holes for setting on the transition axis (7)
(6)。
3. a kind of cutter according to claim 1, it is characterised in that: after the other end of the lengthening boring bar (8) is provided with
It bores (9).
4. a kind of cutter according to claim 2, it is characterised in that: cone (9) is internally provided with uropore (10) after described.
5. a kind of processing method of the special stator blade mounting hole nest of center casing characterized by comprising
Hole nest (3) far from central casing split is processed；
The hole nest (3) of the neighbouring central casing split is processed；
The hole nest (3) for the neighbouring central casing split carries out processing and includes:
The central casing is dismantled along split；
Nest knife (12) are just being drawn lengthening to install at the threaded hole (6) of transition axis (7) at the top of boring bar；
The lengthening boring bar is positioned by the locating shaft (5) and workpiece datum hole (4)；
Gradually along hole nest (3) to be processed radial direction lengthen it is described just drawing nest knife (12) extension elongation by way of process
The hole nest (3).
6. a kind of processing method of the special stator blade mounting hole nest of central casing according to claim 5, it is characterised in that:
The hole nest (3) for separate central casing split carries out processing and includes:
The central casing is dismantled along split；
Casing split centering is utilized on numerical control borer；
The hole nest far from casing split is processed using boring spindle.
7. a kind of processing method of the special stator blade mounting hole nest of central casing according to claim 5, it is characterised in that: more
Circumferentially shape is equidistantly laid in the central shell body a hole nest (3).
8. a kind of processing method of the special stator blade mounting hole nest of central casing according to claim 7, it is characterised in that: institute
The bottom for the hole nest (3) stated offers the datum hole (4).
9. a kind of processing method of the special stator blade mounting hole nest of central casing according to claim 8, it is characterised in that: institute
The axis of rotation for the hole nest (3) stated spatially is overlapped with the axis of rotation of the datum hole (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810948374.4A CN108971540A (en) | 2018-08-20 | 2018-08-20 | The processing method of cutter and the special stator blade mounting hole nest of central casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810948374.4A CN108971540A (en) | 2018-08-20 | 2018-08-20 | The processing method of cutter and the special stator blade mounting hole nest of central casing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108971540A true CN108971540A (en) | 2018-12-11 |
Family
ID=64553881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810948374.4A Pending CN108971540A (en) | 2018-08-20 | 2018-08-20 | The processing method of cutter and the special stator blade mounting hole nest of central casing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108971540A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201791992U (en) * | 2010-09-02 | 2011-04-13 | 江西铜业股份有限公司 | Deep hole expanding cutter |
| CN202921938U (en) * | 2012-10-26 | 2013-05-08 | 山东晨鸣纸业集团股份有限公司 | Hole boring cutter rod |
| CN204584328U (en) * | 2014-10-22 | 2015-08-26 | 北京实验工厂 | Adjustable counterbore oppositely draws boring machining device and supporting feeler block thereof |
| CN205237139U (en) * | 2015-12-22 | 2016-05-18 | 渤海船舶重工有限责任公司 | Mechanical drive ream plane device |
| CN205309354U (en) * | 2016-01-06 | 2016-06-15 | 四川楚玛传动科技有限公司 | Boring bar is bored to distance |
| CN105729072A (en) * | 2016-04-29 | 2016-07-06 | 沈阳透平机械股份有限公司 | Machining method of machine case of ultra-heavy and ultra-large-size type compressor |
| CN107984165A (en) * | 2017-10-31 | 2018-05-04 | 沈阳透平机械股份有限公司 | Large tunnel compressor case processing method |
| CN107984166A (en) * | 2017-11-01 | 2018-05-04 | 沈阳透平机械股份有限公司 | The abdominal cavity processing method of horizonally split formula centrifugal compressor casing |
-
2018
- 2018-08-20 CN CN201810948374.4A patent/CN108971540A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201791992U (en) * | 2010-09-02 | 2011-04-13 | 江西铜业股份有限公司 | Deep hole expanding cutter |
| CN202921938U (en) * | 2012-10-26 | 2013-05-08 | 山东晨鸣纸业集团股份有限公司 | Hole boring cutter rod |
| CN204584328U (en) * | 2014-10-22 | 2015-08-26 | 北京实验工厂 | Adjustable counterbore oppositely draws boring machining device and supporting feeler block thereof |
| CN205237139U (en) * | 2015-12-22 | 2016-05-18 | 渤海船舶重工有限责任公司 | Mechanical drive ream plane device |
| CN205309354U (en) * | 2016-01-06 | 2016-06-15 | 四川楚玛传动科技有限公司 | Boring bar is bored to distance |
| CN105729072A (en) * | 2016-04-29 | 2016-07-06 | 沈阳透平机械股份有限公司 | Machining method of machine case of ultra-heavy and ultra-large-size type compressor |
| CN107984165A (en) * | 2017-10-31 | 2018-05-04 | 沈阳透平机械股份有限公司 | Large tunnel compressor case processing method |
| CN107984166A (en) * | 2017-11-01 | 2018-05-04 | 沈阳透平机械股份有限公司 | The abdominal cavity processing method of horizonally split formula centrifugal compressor casing |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181211 |