CN106425633B - A method of meeting double listrium blade profile Milling Process fast aligning requirements - Google Patents
A method of meeting double listrium blade profile Milling Process fast aligning requirements Download PDFInfo
- Publication number
- CN106425633B CN106425633B CN201611069521.8A CN201611069521A CN106425633B CN 106425633 B CN106425633 B CN 106425633B CN 201611069521 A CN201611069521 A CN 201611069521A CN 106425633 B CN106425633 B CN 106425633B
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- CN
- China
- Prior art keywords
- collet
- fixture
- lathe
- rotating shaft
- locating piece
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Classifications
-
- 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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/18—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for positioning only
- B23Q3/186—Aligning devices
-
- 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
- B23C3/16—Working surfaces curved in two directions
- B23C3/18—Working surfaces curved in two directions for shaping screw-propellers, turbine blades, or impellers
Abstract
The present invention discloses a kind of method meeting double listrium blade profile Milling Process fast aligning requirements, 2 taper handle of a knifes are respectively arranged on the front and back rotating shaft of five coordinate Milling Machining Centers, collet before and after fixture is installed respectively in front and back 2 taper handle of a knifes, rotating shaft makes before and after fixture collet correspond to positioning surface parallel before and after adjustment lathe, rotating shaft is moved in parallel after adjustment lathe, make that there is before and after fixture predetermined distance between collet, standard mandrel is installed on collet before and after the fixture, circumference jerk value detection is carried out to standard mandrel both ends using the dial gauge being fixed on lathe milling head；It is an advantage of the invention that：Change clamp structure, makes the degree face locating piece for easy ting produce foozle that there is the fine adjustment function of later stage rectification error, blade switching clamp for machining debug time to be foreshortened within 0.5 hour by 1~2 day.
Description
Technical field
The present invention relates to machinery field, specifically a kind of blade machining process is more specifically a kind of blade type facing cut
Clamp for machining structure design and relevant aligning method are cut, mainly for the double listriums of the compressors such as aero-engine, gas turbine
Blade profile Milling Process fixture reaches the centering improved efficiency problem of processing request.
Background technology
Blade of aviation engine type face has complicated three-dimensional space curved surface structure, and is thin-walled nature, relative to
Blade is assembled to the listrium position on engine with stringenter position and contour accuracy requirement, it is contemplated that blade profile is processed
Shi Yinwei thin-walled natures will produce deformation and the problem of influence blade geometry accuracy guarantee, when blade profile NC milling
The required precision of positioning fixture centering is all relatively stringenter.The stator blade of certain h type engine h is double listrium mounting structures, blade profile
It is to be positioned with double listriums at blade profile both ends when processing, the fixture centering before processing is carried out using the mandrel of precision manufactureing, core
Axis both ends produce structure identical with blade listrium, after fixture is initially installed on lathe, by standard mandrel clamping to fixture
On, both ends clamping fixture head is then adjusted, the standard mandrel being clamped on the clamping fixture head of both ends is made to turn round everywhere over the entire length
Jitter values≤0.01, it was demonstrated that fixture installation at this time meets the requirements, and can carry out blade processing.In the clamp structure of early stage processing
In, it is to use method indigo plant disk mode that both ends clamping fixture head couples with the installation of lathe, is adjusted in order to the all-direction movement of collet, by
There is misconstruction not in the same plane in the listrium of both ends of the blade, and the both ends listrium on one direction also has
Different angle structure type so that centering needed to overcome not only has fixture direction and the stationary problem on position, and also
Correcting fixture foozle influences to influence with machine tool system error so that centering work is very time-consuming, to be used in blade
Lathe switching process not blade of the same race when, will have one~bis- day time because alignment time stop over and leaf cannot be carried out
Piece produces, and forms unnecessary waste.
Invention content
The alignment time being installed to due to blade profile Milling Process fixture after lathe is long so that lathe is processed in switching
Not when blade of the same race, there can be the dead state of long period, cause unnecessary waste.The object of the present invention is to provide one kind
Meet the method that double listrium blade profile Milling Process fast alignings require, specific technical solution is：2 taper handle of a knifes are distinguished
It is installed on the front and back rotating shaft of five coordinate Milling Machining Centers, collet before and after fixture is installed respectively into front and back 2 tapered knifes
In handle, adjust rotating shaft before and after lathe so that collet is corresponded to positioning surface is parallel, and rotating shaft progress is parallel after adjusting lathe
It is mobile, make that there is predetermined distance between collet before and after fixture, standard mandrel is installed on collet before and after the fixture, using being fixed on machine
Dial gauge on bed milling head carries out circumference jerk value detection to standard mandrel both ends, records perpendicular to positioning surface direction mandrel two
The jerk value difference of point, removes standard mandrel；By dismountable locating piece is removed on collet positioning surface before and after fixture, according to described
The half value of jerk value difference, carries out the repairing of bottom surface of positioning block or in bottom surface of positioning block padding ruler, then will treated positioning
Block reinstalls on fixture, and fixture is overlapped with machine tool rotary center at this time, is verified using standard mandrel；
The preceding collet and rear collet are respectively provided with dismountable locating piece, the locating piece setting and vane end faces to matching
Positioning surface；The preceding collet and rear collet also set up the collet of round bar type.
It is an advantage of the invention that：The bind mode of fixture and lathe is changed into knife bar by method indigo plant disk mode, lathe is installed
On, then the mode of knife bar clamping fixture again, makes clamp central have good synchronism with lathe center, changes simultaneously fixture
Structure makes the degree face locating piece for easy ting produce foozle have the fine adjustment function of later stage rectification error, in clamping device for the first time
It carries out after simply adjusting, fixture can obtain prolonged stable state, and blade hereafter is made to switch clamp for machining debug time
It was foreshortened within 0.5 hour by 1~2 day.
Description of the drawings
Fig. 1 is blade construction schematic diagram；
Fig. 2 is standard core shaft structure schematic diagram；
Fig. 3 is clamp structure schematic diagram；
Fig. 4 is standard mandrel clamping centering schematic diagram.
Specific implementation mode
Technical scheme of the present invention main points are：
(1) on Five Axis NC milling central apparatus on two rotating shafts of clamping device, centering mode is installed
Preferable knife bar makes clamp central obtain good consistency with knife bar, lathe center using knife bar clamping fixture.
(2) two collets of fixture are designed to that round bar form, round bar center are asserted setting for fixture an end respectively
Benchmark is counted, the plane for being used to position two positioning surfaces of blade listrium on fixture establishes position dimension pass with clamp central
System, (clamp central 10 refers to that center corresponding with standard mandrel center, the center are also to be clamped by knife bar on front and back collet
The garden axis center of front and back collet, is shown in Fig. 4) size relationship moved in parallel by machine tool rotary axis to ensure；It is used on fixture
The surface positioned to angle faces is designed as the locating piece form that can be dismantled, in order to clamping standard mandrel centering for the first time
Shi Jinhang size adjustings.
(3) fixture is for the first time in use, two collets of fixture are respectively installed on two knife bars being coupled with lathe, tune
Whole two collet positioning surfaces have parallel relation, then adjust the distance relation that two collets should have, standard mandrel is filled
It clips on fixture, using the dial gauge being fixed on lathe milling head, is measured respectively perpendicular to two positioning surface direction mandrels
Jerk value after obtaining eccentric difference, dismantles the active positioning block on lower fixture positioning surface, reconditioning bottom surface of positioning block or in locating piece
Bottom surface padding ruler corrects the eccentric difference of mandrel corresponding direction, to make fixture and lathe be provided with correct position relationship,
When processing blade again from now on, can ensure within some time, it is only necessary to adjust the depth of parallelisms of two collets of fixture with
Just meet jerk value Eligibility requirements after standard mandrel clamping apart from size, and use for a long time causes fixture positioning surface wear
When, it can manufacture locating piece progress fixture reparation.
The present invention is illustrated below in conjunction with the accompanying drawings, as Figure 1-Figure 4,2 taper handle of a knifes 9 is respectively arranged in five
On the preceding rotating shaft 7 and rear rotating shaft 8 for marking Milling Machining Center, the preceding collet 1 of fixture and rear collet 2 are installed respectively into front and back 2
In a taper handle of a knife, parallel, the rotating shaft after adjustment lathe that makes before and after fixture collet correspond to positioning surface of rotating shaft before and after lathe is adjusted
It is moved in parallel, makes that there is before and after fixture predetermined distance between collet, installation standard mandrel 5 on collet, makes before and after the fixture
Circumference jerk value detection is carried out to standard mandrel both ends with the dial gauge 6 being fixed on lathe milling head, is recorded perpendicular to positioning
The jerk value difference of 2 points of face direction mandrel, removes standard mandrel；By dismountable locating piece 4 on collet positioning surface before and after fixture
It removes, according to the half value of the jerk value difference, carries out the repairing of bottom surface of positioning block or in bottom surface of positioning block padding ruler, then will
Treated, and locating piece reinstalls on fixture, and fixture is overlapped with machine tool rotary center at this time, is carried out using standard mandrel
Verification；
The fixture includes preceding collet 1 and rear collet 2；The preceding collet 1 and rear collet 2 are respectively provided with dismountable locating piece
4, locating piece setting and vane end faces are to matched positioning surface；The preceding collet 1 and rear collet 2 also set up the folder of round bar type
First 3, the collet 3 is clamped by taper handle of a knife 9, and the taper handle of a knife is respectively arranged in the preceding revolution of five coordinate Milling Machining Centers
On axis 7 and rear rotating shaft 8.
Claims (1)
1. a kind of method for meeting double listrium blade profile Milling Process fast alignings and requiring, it is characterised in that：By 2 tapered knifes
Handle is respectively arranged on the front and back rotating shaft of five coordinate Milling Machining Centers, and collet before and after fixture is installed respectively into front and back 2
In taper handle of a knife, adjusting rotating shaft before and after lathe, so that collet is corresponded to positioning surface parallel, after adjustment lathe rotating shaft into
Row moves in parallel, and makes have predetermined distance before and after fixture between collet, standard mandrel is installed on collet before and after the fixture, using solid
Circumference jerk value detection is carried out to standard mandrel both ends due to the dial gauge on lathe milling head, is recorded perpendicular to positioning surface direction
The jerk value difference of 2 points of mandrel, removes standard mandrel；By dismountable locating piece is removed on collet positioning surface before and after fixture, press
According to the half value of the jerk value difference, the repairing of bottom surface of positioning block is carried out or in bottom surface of positioning block padding ruler, it then will be after processing
Locating piece reinstall on fixture, at this time fixture i.e. overlapped with machine tool rotary center, verified using standard mandrel；
The preceding collet and rear collet are respectively provided with dismountable locating piece, and the locating piece setting and vane end faces are to matched fixed
Plane；The preceding collet and rear collet also set up the collet of round bar type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611069521.8A CN106425633B (en) | 2016-11-29 | 2016-11-29 | A method of meeting double listrium blade profile Milling Process fast aligning requirements |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611069521.8A CN106425633B (en) | 2016-11-29 | 2016-11-29 | A method of meeting double listrium blade profile Milling Process fast aligning requirements |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106425633A CN106425633A (en) | 2017-02-22 |
| CN106425633B true CN106425633B (en) | 2018-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611069521.8A Active CN106425633B (en) | 2016-11-29 | 2016-11-29 | A method of meeting double listrium blade profile Milling Process fast aligning requirements |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6179567B1 (en) * | 1999-08-18 | 2001-01-30 | United Technologies Corporation | Turbomachinery blade or vane with a survivable machining datum |
| CN1631593A (en) * | 2004-12-30 | 2005-06-29 | 东方汽轮机厂 | Processing method and device for adjusting blade and integral shroud by turboset |
| CN102284869A (en) * | 2011-07-20 | 2011-12-21 | 天津市职业大学 | Method for controlling precision of three datum auxiliary planes of machine tool fixture |
| CN104014983A (en) * | 2014-05-29 | 2014-09-03 | 哈尔滨工业大学（威海） | Method for machining ducted propeller |
| CN104635620A (en) * | 2014-12-18 | 2015-05-20 | 哈尔滨汽轮机厂有限责任公司 | Method for machining blade passage profile sizing die in numerical-control machining center |
-
2016
- 2016-11-29 CN CN201611069521.8A patent/CN106425633B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6179567B1 (en) * | 1999-08-18 | 2001-01-30 | United Technologies Corporation | Turbomachinery blade or vane with a survivable machining datum |
| CN1631593A (en) * | 2004-12-30 | 2005-06-29 | 东方汽轮机厂 | Processing method and device for adjusting blade and integral shroud by turboset |
| CN102284869A (en) * | 2011-07-20 | 2011-12-21 | 天津市职业大学 | Method for controlling precision of three datum auxiliary planes of machine tool fixture |
| CN104014983A (en) * | 2014-05-29 | 2014-09-03 | 哈尔滨工业大学（威海） | Method for machining ducted propeller |
| CN104635620A (en) * | 2014-12-18 | 2015-05-20 | 哈尔滨汽轮机厂有限责任公司 | Method for machining blade passage profile sizing die in numerical-control machining center |
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| Publication number | Publication date |
|---|---|
| CN106425633A (en) | 2017-02-22 |
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Address after: 110043 Dong TA street, Dadong District, Shenyang, Liaoning Province, No. 6 Patentee after: Chinese Hangfa Shenyang Liming Aero engine limited liability company Address before: 110043 Dong TA street, Dadong District, Shenyang, Liaoning Province, No. 6 Patentee before: Liming Aeroplane Engine (Group) Co., Ltd., Shenyang City |
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