CN113664309B - Tool setting method for electric pulse machining interference air film hole - Google Patents

Tool setting method for electric pulse machining interference air film hole Download PDF

Info

Publication number
CN113664309B
CN113664309B CN202110980409.4A CN202110980409A CN113664309B CN 113664309 B CN113664309 B CN 113664309B CN 202110980409 A CN202110980409 A CN 202110980409A CN 113664309 B CN113664309 B CN 113664309B
Authority
CN
China
Prior art keywords
film hole
air film
interference
plate assembly
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.)
Active
Application number
CN202110980409.4A
Other languages
Chinese (zh)
Other versions
CN113664309A (en
Inventor
杨贤志
张平
杨雪
赵博
刘顺星
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AECC Shenyang Liming Aero Engine Co Ltd
Original Assignee
AECC Shenyang Liming Aero Engine Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by AECC Shenyang Liming Aero Engine Co Ltd filed Critical AECC Shenyang Liming Aero Engine Co Ltd
Priority to CN202110980409.4A priority Critical patent/CN113664309B/en
Publication of CN113664309A publication Critical patent/CN113664309A/en
Application granted granted Critical
Publication of CN113664309B publication Critical patent/CN113664309B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H9/00—Machining specially adapted for treating particular metal objects or for obtaining special effects or results on metal objects
    • B23H9/14—Making holes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H11/00—Auxiliary apparatus or details, not otherwise provided for
    • B23H11/003—Mounting of workpieces, e.g. working-tables
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H2500/00—Holding and positioning of tool electrodes
    • B23H2500/20—Methods or devices for detecting wire or workpiece position
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Abstract

An electric pulse machining interference air film hole tool setting method comprises the following steps: step 1, clamping a blade on a clamp, and checking the spatial position of an adjacent shielding blade body in the vector direction of an interference air film hole to determine the X axis or the Y axis of an electric pulse machine tool; step 2, enabling the vector direction of the blade interference air film hole to be parallel to the direction of a machine tool machining shaft through a rotating shaft; step 3, calculating the distance between the hole center line and the tangent line and recording the distance as L 1 (ii) a Step 4, assembling the tungsten filament on the chuck, and placing the tungsten filament in a direction parallel to a machining shaft of the machine tool; step 5, lowering the chuck with the tungsten filament to the same height value of the center of the tungsten filament and the center of the interference gas film hole to be processed through the clamp alignment belt, and tangency between the tungsten filament and the air inlet edge of the blade to obtain a distance recorded as L 2 (ii) a And 6, determining the spatial position of the interference air film hole to be processed, and then finishing processing through the processing shaft. The alignment time is greatly shortened, and the position is found through the blade body of the blade, so that the position for machining the interference air film hole is more accurate.

Description

Tool setting method for electric pulse machining interference air film hole
Technical Field
The invention belongs to the technical field of machining of guide blades of aero-engines, and particularly relates to a tool setting method for an interference air film hole in electric pulse machining.
Background
The guide blades are two-linkage blade body blades, and the 1 st to 4 th rows of interference air film holes of the basin-oriented blade body are shielded by the back-oriented blades. The traditional interference air film hole machining technology requires that a special fixture is provided with a process ball, the machining angle and the tool setting position are determined by aligning the sphere center of the process ball and the theoretical position of the interference air film hole, but the process ball aligning method is influenced by the interference problem of the fixture or the interference problem of a self-made chuck, a certain included angle is required between the sphere center of the process ball and the interference position for avoiding the interference position, and due to the included angle, the traditional process ball center aligning machining method is limited by various factors such as the fixture and the like, the tool setting alignment cannot be realized, and the coordinate position of the corresponding machined interference air film hole cannot be directly obtained, so that the tool setting method for machining the interference air film hole by electric pulse is provided.
Disclosure of Invention
The invention aims to provide a tool setting method for an interference air film hole processed by electric pulses.
In order to achieve the purpose, the invention adopts the following technical scheme:
an electric pulse machining interference air film hole tool setting method comprises the following steps:
step 1, judging a machining axis of equipment, clamping a blade on a clamp, and checking the spatial position of an adjacent shielding blade body in the vector direction of an interference air film hole to determine that the interference air film hole is machined by a chuck provided with a tungsten filament by using an X axis or a Y axis of an electric pulse machine tool;
step 2, rotating the machine tool turntable after determining that no errors exist, and enabling the vector direction of the interference air film hole of the blade body to be parallel to the direction of the machining axis of the machine tool through a rotating shaft;
step 3, extracting a hole center line of the interference air film hole to be processed through a blade UG model, making a straight line parallel to the hole center line on the same section in the processing direction and tangent to the highest point of the air inlet edge of the blade, calculating the distance between the hole center line and the tangent line through the UG model, and recording the distance as L 1 ；
Step 4, assembling the tungsten filament on the chuck, and placing the tungsten filament in a direction parallel to a machining shaft of the machine tool;
step 5, during the alignment of the object, lowering the chuck with the tungsten filament to the same height value of the center of the tungsten filament and the center of the interference gas film hole to be processed through the clamp alignment belt, and tangency between the tungsten filament and the air inlet edge of the blade to obtain a distance record L 2 ；
Step 6, mixing L 2 Subtracting the tungsten filament radius to obtain the L measured by UG model 1 Directly moving the machine tool to L 1 The spatial position of the interference air film hole to be processed can be determined, and then the processing is completed through the processing shaft.
The clamp comprises a bottom platform and a compression screw, wherein a sunken trimming groove is processed on the upper surface of the bottom platform, the horizontal plane of the sunken trimming groove is an X-axis alignment plane, the vertical plane of the sunken trimming groove is a Z-axis alignment plane, screw holes are processed at the symmetrical center of the first alignment plane and the upper surface of the bottom platform, a process ball is arranged on one screw hole far away from the sunken trimming groove, a first pressure plate assembly and a second pressure plate assembly are respectively arranged on the bottom platform at two sides of the process ball, a third pressure plate assembly and a fourth pressure plate assembly are respectively arranged on the upper surface of the bottom platform at one end far away from the sunken trimming groove, a first positioning support is connected on the bottom platform between the process ball and the second pressure plate assembly through a bolt, a radial positioning block is arranged on the top of the side wall of the first positioning support, a first positioning block positioned on the bottom platform is arranged between the first positioning support and the fourth pressure plate assembly through a bolt, a second positioning block is fixedly arranged between the first pressure plate assembly and the third pressure plate assembly through bolts, the rear side face of the second positioning block is connected with one end of a second positioning support through an adjusting screw, a third positioning block and a fourth positioning block are respectively and fixedly arranged on the left side wall and the right side wall which are symmetrically arranged at the other end of the second positioning support through bolts, and a through hole is formed in the center of the bottom platform.
The first pressing plate assembly and the second pressing plate assembly are identical in structure and respectively comprise a pressing plate and a compression screw, two ends of the lower surface of the pressing plate are respectively connected with one end of an auxiliary support and one end of a support stud, the other end of the auxiliary support and the other end of the support stud are fixedly installed on the upper surface of the bottom platform, and the compression screw penetrates through the pressing plate and is in threaded connection with the upper surface of the bottom platform.
The third pressing plate assembly and the fourth pressing plate assembly are identical in structure and respectively comprise a cushion block, a pressing plate and a compression screw, the cushion block is fixedly installed on the upper surface of the bottom platform, two ends of the lower surface of the pressing plate are respectively connected with one end of an auxiliary support and one end of a support stud, the other end of the auxiliary support and the other end of the support stud are fixedly installed on the upper surface of the cushion block, and the compression screw penetrates through the pressing plate and is in threaded connection with the upper surface of the cushion block.
The invention has the technical effects that:
the method for finding the theoretical position of the interference air film hole by calculating the distance from the central line of the interference air film hole to the tangent line of the blade body of the section in parallel to the central line of the interference air film hole further finds the spatial position of the interference air film hole, the alignment time is greatly shortened, the position is found through the blade body of the blade, the position for machining the interference air film hole is more accurate, the debugging time is shortened and the machining quality is improved through the technology.
Drawings
FIG. 1 is a schematic view of a blade of the present invention having four rows of interference gas film holes;
FIG. 2 is a schematic drawing of an interference gas film hole UG model of the present invention;
FIG. 3 is a schematic view of alignment of an interference film hole of the present invention;
FIG. 4 is a schematic diagram of the tool setting distance of an interference film hole according to the present invention;
FIG. 5 is a three-dimensional schematic view of a fixture for the electric pulse machining interference air film hole tool setting method of the present invention;
FIG. 6 is a top view of a fixture for the method for setting the tool for the electric pulse machining interference film hole of the present invention;
1-bottom platform, 2-first positioning block, 3-first positioning support, 4-cushion block, 5-process ball, 6-Z-axis alignment plane, 7-pressing plate, 8-second positioning support, 9-radial positioning block, 10-second positioning block, 11-third positioning block, 12-fourth positioning block, 13-support stud, 14-auxiliary support, 15-compression screw and 16-X-axis alignment plane.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
An electric pulse machining interference air film hole tool setting method comprises the following steps:
step 1, clamping a blade on a clamp, determining a radial positioning point of the blade clamp, and attaching the blade to a radial positioning block 9 of the clamp; determining circumferential positioning points of the blade, and attaching the blade to the circumferential positioning points of the clamp, namely a first positioning block 2 and a second positioning block 10; determining positioning points of the air inlet and exhaust directions of the blade, and attaching the blade to the positioning points of the air inlet and exhaust directions of the clamp, namely a third positioning block 11 and a fourth positioning block 12; then determining the vector direction of the interference air film holes to be processed and the spatial position of the adjacent shielding blades, facilitating observation of the processing state of the blade body during equipment processing, determining that the X axis is selected as the processing axis by the two rows of interference air film holes close to the air inlet edge of the blade body, and the Y axis is selected as the processing axis by the two rows of interference air film holes close to the air outlet edge of the blade body, as shown in figure 1;
step 2, rotating the machine tool turntable after determining that no errors exist, and enabling the vector direction of the interference air film hole of the blade body to be parallel to the direction of the machining axis of the machine tool through a rotating shaft;
step 3, extracting the hole center line of the first hole in the radial direction of the same row of interference film holes to be processed through a blade UG model, establishing a reference axis by using the hole center line, making a section by using the reference axis established by the hole center line and in parallel with the determined machine tool processing axis direction, making a straight line parallel to the hole center line on the section and tangent to the highest point of the air inlet edge of the blade, and then calculating the distance L between the hole center line and the tangent line through the UG model 1 As shown in fig. 2;
step 4, assembling the tungsten filament on the chuck, and placing the tungsten filament in a direction parallel to a machining shaft of the machine tool;
step 5, during the alignment of the object, determining the position of the blade in the Z-axis direction of the theoretical space where the fixture is placed through the alignment belt on the fixture, moving the tungsten filament to the height of the hole center of the interference gas film hole to be processed in the Z-direction, and then tangency the tungsten filament with the highest point of the air inlet edge of the blade body of the blade to obtain a distance recorded as L 2 As shown in fig. 3;
step 6, as shown in FIG. 4, add L 2 Subtracting the tungsten filament radius to obtain the L measured by UG model 1 Directly moving the machine tool processing shaft in parallel L 1 The spatial position of the interference air film hole to be processed can be determined, and then the processing is completed through the processing shaft.
As shown in fig. 5 and 6, the fixture includes a bottom platform 1 and a compression screw 15, a sunken trimming groove is processed on the upper surface of the bottom platform 1, the horizontal plane of the sunken trimming groove is an X-axis alignment plane 16, the vertical plane of the sunken trimming groove is a Z-axis alignment plane 6, screw holes are processed at the symmetrical center of the first alignment plane and on the upper surface of the bottom platform 1, a process ball 5 is mounted on one screw hole far away from the sunken trimming groove, a first pressure plate assembly and a second pressure plate assembly are respectively mounted on the bottom platform 1 at two sides of the process ball 5, a third pressure plate assembly and a fourth pressure plate assembly are respectively mounted on the upper surface of the bottom platform 1 at one end far away from the sunken trimming groove, a first positioning support 3 is connected to the bottom platform 1 between the process ball 5 and the second pressure plate assembly through a bolt, a radial positioning block 9 is mounted on the top of the side wall of the first positioning support 3, and a first positioning support 3 positioned on the bottom platform 1 are mounted between the first positioning support 3 and the fourth pressure plate assembly through a bolt The positioning block 2 is a T-shaped first positioning block 2, a second positioning block 10 is fixedly mounted between the first pressing plate assembly and the third pressing plate assembly through bolts, the rear side face of the second positioning block 10 is connected with one end of a second positioning support 8 through an adjusting screw, a third positioning block 11 and a fourth positioning block 12 are respectively fixedly mounted on the left side wall and the right side wall of the other end of the second positioning support 8 symmetrically arranged, and a through hole is machined in the center of the bottom platform 1.
The first pressure plate assembly and the second pressure plate assembly are identical in structure and respectively comprise a pressure plate 7 and a compression screw 15, two ends of the lower surface of the pressure plate 7 are respectively connected with one ends of an auxiliary support 14 and a support stud 13, the other ends of the auxiliary support 14 and the support stud 13 are fixedly installed on the upper surface of the bottom platform 1, and the compression screw 15 penetrates through the pressure plate 7 and is in threaded connection with the upper surface of the bottom platform 1.
The third pressing plate assembly and the fourth pressing plate assembly are identical in structure and respectively comprise a cushion block 4, a pressing plate 7 and a compression screw 15, the cushion block 4 is fixedly installed on the upper surface of the bottom platform 1, two ends of the lower surface of the pressing plate 7 are respectively connected with one end of an auxiliary support 14 and one end of a support stud 13, the other end of the auxiliary support 14 and the other end of the support stud 13 are fixedly installed on the upper surface of the cushion block 4, and the compression screw 15 penetrates through the pressing plate 7 and is in threaded connection with the upper surface of the cushion block 4.

Claims (4)

1. An electric pulse machining interference air film hole tool setting method is characterized by comprising the following steps:
step 1, judging a machining axis of equipment, clamping a blade on a clamp, and checking the spatial position of an adjacent shielding blade body in the vector direction of an interference air film hole to determine that the interference air film hole is machined by a chuck provided with a tungsten filament by using an X axis or a Y axis of an electric pulse machine tool;
step 2, rotating the machine tool turntable after determining that no errors exist, and enabling the vector direction of the interference air film hole of the blade body to be parallel to the direction of the machining axis of the machine tool through a rotating shaft;
step 3, extracting interference to be processed through a blade UG modelMaking a straight line parallel to the hole center line on the same section of the air film hole in the machining direction and tangent to the highest point of the air inlet edge of the blade, calculating the distance between the hole center line and the tangent line through a UG (Unigraphics) model, and recording the distance as L 1 ；
Step 4, assembling the tungsten filament on the chuck, and placing the tungsten filament in a direction parallel to a machining shaft of the machine tool;
step 5, during the alignment of the object, lowering the chuck with the tungsten filament to the same height value of the center of the tungsten filament and the center of the interference gas film hole to be processed through the clamp alignment belt, and tangency between the tungsten filament and the air inlet edge of the blade to obtain a distance record L 2 ；
Step 6, adding L 2 Subtracting the tungsten filament radius to obtain the L measured by UG model 1 Directly moving the machine tool to L 1 The spatial position of the interference air film hole to be processed can be determined, and then the processing is completed through the processing shaft.
2. The method for tool setting of the interference air film hole by electric pulse machining according to claim 1, characterized in that: the fixture comprises a bottom platform and a compression screw, wherein a sunken type trimming groove is processed on the upper surface of the bottom platform, the horizontal plane of the sunken type trimming groove is an X-axis alignment plane, the vertical plane of the sunken type trimming groove is a Z-axis alignment plane, screw holes are processed at the symmetrical center of a first alignment plane and the upper surface of the bottom platform, a process ball is arranged on one screw hole far away from the sunken type trimming groove, a first pressure plate assembly and a second pressure plate assembly are respectively arranged on the bottom platform at two sides of the process ball, a third pressure plate assembly and a fourth pressure plate assembly are respectively arranged on the upper surface of the bottom platform at one end far away from the sunken type trimming groove, a first positioning support is connected on the bottom platform between the process ball and the second pressure plate assembly through a bolt, a radial positioning block is arranged at the top of the side wall of the first positioning support, a first positioning block positioned on the bottom platform is arranged between the first positioning support and the fourth pressure plate assembly through a bolt, a second positioning block is fixedly arranged between the first pressure plate assembly and the third pressure plate assembly through bolts, the rear side face of the second positioning block is connected with one end of a second positioning support through an adjusting screw, a third positioning block and a fourth positioning block are respectively fixedly arranged on the left side wall and the right side wall which are symmetrically arranged at the other end of the second positioning support through bolts, and a through hole is processed in the center of the bottom platform.
3. The method for aligning the tool of the interference film hole of the electric pulse machining according to claim 2, characterized in that: the first pressing plate assembly and the second pressing plate assembly are identical in structure and respectively comprise a pressing plate and a compression screw, two ends of the lower surface of the pressing plate are respectively connected with one end of an auxiliary support and one end of a support stud, the other end of the auxiliary support and the other end of the support stud are fixedly installed on the upper surface of the bottom platform, and the compression screw penetrates through the pressing plate and is in threaded connection with the upper surface of the bottom platform.
4. The method for tool setting of the interference air film hole by electric pulse machining according to claim 2, characterized in that: the third pressing plate assembly and the fourth pressing plate assembly are identical in structure and respectively comprise a cushion block, a pressing plate and a compression screw, the cushion block is fixedly installed on the upper surface of the bottom platform, two ends of the lower surface of the pressing plate are respectively connected with one end of an auxiliary support and one end of a support stud, the other end of the auxiliary support and the other end of the support stud are fixedly installed on the upper surface of the cushion block, and the compression screw penetrates through the pressing plate and is in threaded connection with the upper surface of the cushion block.
CN202110980409.4A 2021-08-25 2021-08-25 Tool setting method for electric pulse machining interference air film hole Active CN113664309B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110980409.4A CN113664309B (en) 2021-08-25 2021-08-25 Tool setting method for electric pulse machining interference air film hole

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110980409.4A CN113664309B (en) 2021-08-25 2021-08-25 Tool setting method for electric pulse machining interference air film hole

Publications (2)

Publication Number Publication Date
CN113664309A CN113664309A (en) 2021-11-19
CN113664309B true CN113664309B (en) 2022-08-30

Family

ID=78546021

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110980409.4A Active CN113664309B (en) 2021-08-25 2021-08-25 Tool setting method for electric pulse machining interference air film hole

Country Status (1)

Country Link
CN (1) CN113664309B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114226898A (en) * 2022-02-24 2022-03-25 成都和鸿科技股份有限公司 Method for determining hole site of air film hole
CN115194594A (en) * 2022-08-25 2022-10-18 南京农业大学 Fixture and grinding method for grinding exhaust edge of lower citron plate of gas turbine guide vane fan-shaped piece
CN117001087A (en) * 2023-09-28 2023-11-07 中国航发沈阳黎明航空发动机有限责任公司 Blade clamp capable of achieving electric spark machining and numerical control milling

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6171092B1 (en) * 1998-10-02 2001-01-09 Husky Injection Molding Systems Ltd. Platen sensing and alignment apparatus
CN108994407A (en) * 2018-08-14 2018-12-14 中国航发南方工业有限公司 Tetrad guide vane interferes air film hole positioning fixture, processing unit (plant) and processing method
CN112091336A (en) * 2020-09-21 2020-12-18 中国航发沈阳黎明航空发动机有限责任公司 Method for accurately positioning interference gas film hole of integrally cast blade by electric spark machining
CN112676661A (en) * 2020-11-25 2021-04-20 中国航发沈阳黎明航空发动机有限责任公司 Process device for electrically processing gas film hole by high-pressure turbine guide blade
CN113102848A (en) * 2021-04-13 2021-07-13 贵州安吉华元科技发展有限公司 Method for processing air film hole by using electrode special for integral row

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5674858B2 (en) * 2013-05-10 2015-02-25 ファナック株式会社 Reference point measuring method and measuring jig of inclined rotating shaft of wire electric discharge machine
CN105458799B (en) * 2016-01-26 2017-12-19 中信戴卡股份有限公司 A kind of machining fixture
US10773344B2 (en) * 2017-06-16 2020-09-15 Raytheon Technologies Corporation Systems and methods for manufacturing film cooling hole diffuser portion
CN113042838B (en) * 2021-03-29 2022-07-29 贵阳航发精密铸造有限公司 Method for determining machining angle of interference air film hole

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6171092B1 (en) * 1998-10-02 2001-01-09 Husky Injection Molding Systems Ltd. Platen sensing and alignment apparatus
CN108994407A (en) * 2018-08-14 2018-12-14 中国航发南方工业有限公司 Tetrad guide vane interferes air film hole positioning fixture, processing unit (plant) and processing method
CN112091336A (en) * 2020-09-21 2020-12-18 中国航发沈阳黎明航空发动机有限责任公司 Method for accurately positioning interference gas film hole of integrally cast blade by electric spark machining
CN112676661A (en) * 2020-11-25 2021-04-20 中国航发沈阳黎明航空发动机有限责任公司 Process device for electrically processing gas film hole by high-pressure turbine guide blade
CN113102848A (en) * 2021-04-13 2021-07-13 贵州安吉华元科技发展有限公司 Method for processing air film hole by using electrode special for integral row

Also Published As

Publication number Publication date
CN113664309A (en) 2021-11-19

Similar Documents

Publication Publication Date Title
CN113664309B (en) Tool setting method for electric pulse machining interference air film hole
CN108857518B (en) Boring fixture for machining two space intersecting holes in special-shaped piece and machining method
CN204771709U (en) Five processing angle mistake proofing positioning fixtures in whole impeller
CN110936108B (en) Machining method for improving assembly precision of thin-wall annular casing type parts
CN112197725B (en) Accurate positioning method for large composite material part machining tool
CN112658735B (en) Clamp for linear cutting and forming grinding of turbine disc inclined tenon groove and mounting method
CN112066853B (en) Readable measurement method for profile of blade
CN112427969A (en) Method for processing axial positioning surface of turntable frame
CN109323643B (en) Rapid detection device and method for blade profile of blisk subjected to electrolytic rough machining
CN101391358B (en) Method for processing welding frame device using bolt, pun bush as positioning reference
CN108405932B (en) Shared fixture for machining and detecting inclined lug holes of support arm parts
CN113352059B (en) High-precision part rotary machining method
CN113814757B (en) Processing method
CN110977070B (en) Fixing device and method for blade tenon in linear cutting
CN113340174A (en) Simulation assembly measuring tool with groove type blade and using method thereof
CN214488867U (en) A car anchor clamps for dysmorphism processing
CN113334116B (en) Double-inclined-surface workpiece and machining method of clamp body thereof
CN113352058B (en) High-precision part machining method
CN111644814B (en) Wind power rotor machining method
CN115157122B (en) Grinding method of clamp for grinding upper baffle plate of fan-shaped piece of gas turbine secondary guide blade
CN212946656U (en) Clamping device for machining low-pressure moving blade of marine steam turbine
CN210649640U (en) Triaxial machining center anchor clamps of mouth are penetrated to double-end
CN114413733B (en) Measuring method of sector section foundation frame
CN212599135U (en) Double-angle characteristic inclined hole machining device
CN213258205U (en) Special clamp for finish machining of small pressing plate parts

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