CN112276618A - Method for machining tenon of blade of gas compressor - Google Patents
Method for machining tenon of blade of gas compressor Download PDFInfo
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- CN112276618A CN112276618A CN202011125964.0A CN202011125964A CN112276618A CN 112276618 A CN112276618 A CN 112276618A CN 202011125964 A CN202011125964 A CN 202011125964A CN 112276618 A CN112276618 A CN 112276618A
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- blade
- tenon
- positioning
- clamp
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- 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
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
Abstract
The invention discloses a method for processing a tenon of a compressor blade, which comprises the following steps of S1 marking the blade, marking a datum line on the end face of the tenon, and processing a boss positioning hole and a tenon positioning hole; s2, after the blade is arranged in the sub-clamp in a penetrating way, the sub-clamp is placed in the female clamp, the female clamp clamps the blade and determines the position of the blade relative to the female clamp in the axial direction, and then the blade body of the blade is fixed with the female clamp; s3 determining the position of the sub-clamp relative to the parent clamp in the axial direction, so that the sub-clamp clamps the blade body; s4, releasing the clamping of the female clamp to the blade, clamping the sub clamp to a machine tool, and processing the blade tenon. The blade tenon machining method can reduce the blade machining cost, improve the production efficiency of blade tenon machining, shorten the production period, reduce the requirement on the skill level of workers and reduce the procedures of blade production.
Description
Technical Field
The invention relates to the technical field of gas turbine engine blades, in particular to a method for machining a tenon of a compressor blade.
Background
Compressor blades are important components in gas turbine engines. The blank of the compressor blade is formed by casting, the blank of the compressor blade comprises a tenon and a blade body, a technical boss is arranged at the end part of the blade body, and the blank needs to be clamped and fixed when the tenon of the blank of the compressor blade is machined.
The invention discloses a method for positioning a workpiece with a complex shape by alloy pouring, and discloses a Chinese invention patent with the publication number of CN 105382202B.
However, when the blade tenon is machined by the method disclosed by the patent, each blade blank can be clamped and machined only by casting the low-temperature alloy, the cost is high, the production efficiency is low, the production period is long, the casting process has high requirements on the skill level of workers, and the blade body of the blade can be machined only by melting the low-temperature alloy after the tenon is machined, so that the blade production process is increased.
Disclosure of Invention
The invention aims to provide a method for processing a compressor blade tenon, which is designed aiming at the method for processing the compressor blade tenon, can reduce the processing cost of the blade, improve the production efficiency of the blade tenon processing, shorten the production period, reduce the requirement on the skill level of workers and reduce the procedures of blade production.
The embodiment of the invention is realized by the following technical scheme:
a method for processing a tenon of a blade of an air compressor comprises the following steps,
s1, scribing the blade, scribing a datum line of the end face of the tenon, and processing a boss positioning hole and a tenon positioning hole;
s2, after the blade is arranged in the sub-clamp in a penetrating way, the sub-clamp is placed in the female clamp, the female clamp clamps the blade and determines the position of the blade relative to the female clamp in the axial direction, and then the blade body of the blade is fixed with the female clamp;
s3 determining the position of the sub-clamp relative to the parent clamp in the axial direction, so that the sub-clamp clamps the blade body;
s4, releasing the clamping of the female clamp to the blade, clamping the sub clamp to a machine tool, and processing the blade tenon.
In an embodiment of the present invention, the female jig is configured with a first reference surface, and the female jig clamps the blade with the process boss positioning hole and the tenon positioning hole so that the tenon end surface reference line is located on the plane of the first reference surface to determine the position of the blade in the axial direction relative to the female jig.
In an embodiment of the present invention, the female jig is provided with a second reference surface, and the position of the sub-jig in the axial direction with respect to the female jig is determined with reference to the second reference surface.
In an embodiment of the present invention, the female jig is provided with a calibration block, and the first reference surface is a surface of the calibration block facing the female jig.
In an embodiment of the present invention, the female fixture is configured with a positioning slot for positioning the male fixture, and the second reference surface is a plane of the positioning slot located on one side of the tenon; the sub-clamp is provided with a base inserted into the positioning groove, and the side surface of the base opposite to the second datum plane can be attached to the second datum plane.
In an embodiment of the present invention, the female fixture includes a tenon positioning portion and a process boss positioning portion, the tenon positioning portion abuts against the tenon positioning hole, the process boss positioning portion abuts against the process boss positioning hole, and the tenon positioning portion and the process boss positioning portion clamp the blade by three-point positioning.
In an embodiment of the present invention, the tenon positioning portion is configured with a calibration block.
In an embodiment of the present invention, the tenon positioning portion includes a tenon positioning support and a tenon positioning rod, the tenon positioning rod is connected to the tenon positioning support through a thread, and the tenon positioning rod is abutted to the tenon along the axial direction of the blade.
In an embodiment of the present invention, the process boss positioning portion includes a process boss positioning support and a process boss positioning rod, the process boss positioning rod is connected to the process boss positioning support in a threaded manner, and the process boss positioning rod is abutted against the process boss along the axial direction of the blade.
In an embodiment of the present invention, the sub-clamp includes a basin-shaped positioning bolt, a back-shaped positioning bolt, a front edge positioning bolt, and a rear edge positioning bolt, and the basin-shaped positioning bolt, the back-shaped positioning bolt, the front edge positioning bolt, and the rear edge positioning bolt abut against the blade body.
The technical scheme of the embodiment of the invention at least has the following advantages and beneficial effects:
the embodiment of the invention determines the relative position of the female clamp and the male clamp by the positioning surface in the female clamp, performs three-point positioning on the tenon and the process boss of the blade by the female clamp to determine the relative position of the blade and the male clamp, and then fixes the male clamp and the blade to realize the clamping and fixing of the blade by the male clamp and ensure that the blade clamped by the male clamp has higher repeated positioning precision, compared with the prior art adopting low-temperature alloy casting and clamping, the method adopts the female clamp to assist the male clamp to clamp the blade, adopts a mechanical structure to realize the clamping and positioning of the blade, saves the use of low-temperature alloy and a casting mould, reduces the processing cost of the blade, saves the casting process of the low-temperature alloy, improves the production efficiency of the blade tenon processing, shortens the production period, and reduces the requirement on the skill level of workers, the procedures of blade production are reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the sub-clamp of the present invention;
FIG. 3 is a schematic structural view of the female clip of the present invention;
FIG. 4 is a schematic structural view of a blade of the present invention.
Icon: 1-sub clamp, 11-base, 12-clamping part, 131-basin positioning bolt, 132-back positioning bolt, 141-front edge positioning bolt, 142-back edge positioning bolt, 151-tenon positioning bolt, 2-female clamp, 21-tenon positioning part, 211-tenon positioning rod, 22-process boss positioning part, 221-process boss positioning rod, 23-positioning groove, 231-second reference surface, 24-base, 25-calibration block, 251-first reference surface, and 3-blade.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that if the terms "inside", "outside", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually placed when the product of the present invention is used, the description is merely for convenience of describing the present invention and simplifying the description, but the indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation and operation, and thus, cannot be understood as the limitation of the present invention.
In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "configured," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 4, a method for processing a tenon of a compressor blade includes the following steps,
s1, scribing the blade 3, scribing a datum line of the tenon end face, and processing a boss positioning hole and a tenon positioning hole;
s2, after the blade 3 is arranged in the sub-clamp 1 in a penetrating way, the sub-clamp 1 is placed in the female clamp 2, the female clamp 2 clamps the blade 3 and determines the position of the blade 3 relative to the female clamp 2 in the axial direction, and then the blade body of the blade 3 is fixed with the female clamp 2;
s3 determining the position of the sub-clamp 1 relative to the parent clamp 2 in the axial direction, so that the sub-clamp 1 clamps the blade body of the blade 3;
s4 releasing the clamping of the blade 3 by the female jig 2, and clamping the sub-jig 1 to a machine tool to process the tenon of the blade 3.
In order to reduce the processing cost of the blade 3, improve the production efficiency of the tenon processing of the blade 3, shorten the production period, reduce the requirements on the skill level of workers and reduce the production procedures of the blade 3, the technical proposal is provided with a sub-clamp 1 and a main clamp 2, when clamping a blade 3 blank, firstly, the blade 3 blank is penetrated in the sub-clamp 1, the sub-clamp 1 and the blade 3 blank are put into the female clamp 2 together, the female clamp 2 comprises a tenon positioning part 21, a process boss positioning part 22, a first reference surface 251 and a base 24, the tenon positioning part 21 and the process boss positioning part 22 are both arranged on the base 24, the tenon positioning part 21 is abutted against the tenon positioning hole, the process boss positioning part 22 is abutted against the process boss positioning hole, and the tenon positioning part 21 and the process boss positioning part 22 clamp the blade 3 through three-point positioning, and clamp the tenon and the process boss of the blade 3. The female jig 2 is provided with a proof mass 25, the first reference surface 251 is a surface of the proof mass 25 facing the male jig 1, and the proof mass 25 is arranged in the tenon positioning portion 21. Tenon location portion 21 includes tenon location support and tenon locating lever 211, and this tenon locating lever 211 threaded connection is in this tenon location support, and this tenon locating lever 211 follows 3 axial butt in this tenon of blade, and tenon locating lever 211 can be followed vertical direction and disposed one side by side, and tenon locating lever 211 end disposes the pointed end of butt in the tenon. The process boss positioning part 22 comprises a process boss positioning support and a process boss positioning rod 221, the process boss positioning rod 221 is in threaded connection with the process boss positioning support, the process boss positioning rod 221 is abutted against the process boss along the axial direction of the blade 3, the process boss positioning rod 221 can be configured in a plurality, and the tail end of the process boss positioning rod 221 is configured with a tip abutted against the process boss. And the tenon positioning support and the process boss positioning support are symmetrically arranged at two ends of the base 24, wherein the symmetrical arrangement means that the position of the tenon positioning support and the position of the process boss positioning support are symmetrically arranged. The proof mass 25 is fixed to the tenon positioning support. Before the blade 3 is clamped by the female clamp 2, the blade 3 is scribed, a tenon end surface datum line is drawn, a process boss positioning hole is machined in a process boss, a tenon positioning hole is machined in a tenon end surface, the scribing process is the prior art, and a person skilled in the art can finish the scribing process according to the existing benchwork scribing method. The tenon positioning support is provided with a calibration block 25, the calibration block 25 is a square block, and one surface of the calibration block 25 facing the process boss positioning support is a first reference surface 251. When the blade 3 is clamped by the female clamp 2, the tenon positioning rod 211 and the process boss positioning rod 221 are rotated, the tip end of the tenon positioning rod 211 is abutted to the tenon positioning hole, the process boss positioning rod 221 is abutted to the process boss positioning hole, the blade 3 is abutted by the tenon positioning rod 211 and the process boss positioning rod 221 to clamp the blade 3, then the tenon positioning rod 211 and the process boss positioning rod 221 are rotated, the blade 3 is axially moved along the blade 3, the tenon end face datum line is located in the plane of the first datum plane 251 through visual observation, and then the position of the blade 3 is fixed by the tenon positioning rod 211 and the process boss positioning rod 221 in an abutting mode, so that the position of the blade 3 relative to the female clamp 2 is determined.
In the present embodiment, the sub-clip 1 includes a base 11 and a pair of clip portions 12 disposed on both sides of the base 11, and the base 11 is fixed to the clip portions 12, and the clip portions 12 may have a square ring-shaped configuration, and each of the clip portions 12 is provided with a pot positioning bolt 131, a back positioning bolt 132, a leading edge positioning bolt 141, and a trailing edge positioning bolt 142, and the pot positioning bolt 131, the back positioning bolt 132, the leading edge positioning bolt 141, and the trailing edge positioning bolt 142 are in contact with the blade body of the blade 3. A pot bolt 131 and a back bolt 132 are screwed to the clamping portion 12, the pot bolt 131 abuts against the pot surface of the blade 3, and the back bolt 132 abuts against the back surface of the blade 3. One clamping part 12 is provided with 2 threaded through holes penetrating through the clamping part 12, one threaded through hole is used for installing the basin-direction positioning bolt 131, the other threaded through hole is used for installing the back-direction positioning bolt 132, and when the clamping part 12 is used, the back-direction positioning bolt 132 is rotated to adjust the position of the back-direction positioning bolt 132, so that the clamping part 12 is clamped on the blade body of the blade 3 blank and is clamped on the blade 3 blank to be positioned in the center of the clamping part 12. When clamping a blade 3 blank, the clamping part 12 is sleeved on the blade body of the blade 3 blank, the basin-direction positioning bolt 131 is rotated to enable the basin-direction positioning bolt 131 to be abutted against the blade body, and the basin-direction positioning bolt 131 and the back-direction positioning bolt 132 are utilized to clamp and position the blade body in the basin-direction and back-direction directions. A leading edge positioning bolt 141 and a trailing edge positioning bolt 142 are screwed to the clamping portion 12, the leading edge positioning bolt 141 abuts on the leading edge surface of the blade 3, and the trailing edge positioning bolt 142 abuts on the trailing edge surface of the blade 3. One clamping part 12 is also provided with 2 threaded through holes penetrating through the clamping part 12, one of the threaded through holes is used for installing a front edge positioning bolt 141, the other threaded through hole is used for installing a rear edge positioning bolt 142, and when the clamping part is used, the rear edge positioning bolt 142 is rotated to adjust the position of the rear edge positioning bolt 142 and is clamped on the blade body of the blade 3 blank, so that the blade 3 blank is positioned in the central position of the clamping part 12. When clamping the blade 3 blank, the clamping part 12 is sleeved on the blade body of the blade 3 blank, the front edge positioning bolt 141 is rotated to enable the front edge positioning bolt 141 to abut against the front edge of the blade body, and the front edge positioning bolt 141 and the rear edge positioning bolt 142 are utilized to realize clamping and positioning in the front edge-rear edge direction of the blade body.
It should be noted that each of the basin-direction positioning bolts 131, the back-direction positioning bolt 132, the front-edge positioning bolt 141, and the rear-edge positioning bolt 142 may be provided with a nut, and after the sub-jig 1 clamps the blade 3, the nut is tightened to fix each positioning bolt, and when the sub-jig 1 is clamped to a machine tool and the tenon of the blade 3 is machined, the positioning bolts are prevented from being loosened due to vibration, so that the clamping of the blade 3 is always kept stable.
In the present embodiment, in order to determine the position of the sub-jig 1 relative to the main jig 2, the main jig 2 is provided with the positioning grooves 23, the second reference surfaces 231 are two planes on the tenon side of the positioning grooves 23, and the two planes are perpendicular to each other in order to realize the positioning of the base 11, and the second reference surface 231 is a plane on the tenon side of the positioning grooves 23. The sub-jig 1 is provided with a base 11, the base 11 is inserted into the positioning groove 23, and the side surface of the base 11 opposite to the second reference surface 231 is attached to the second reference surface 231. The length of the positioning groove 23 may be greater than the length of the base 11 of the sub-clip 1, so that the sub-clip 1 can slide along the length direction of the positioning groove 23. After the female jig 2 positions the blade 3 at three points and determines the position of the blade 3 with respect to the female jig 2, the sub-jig 1 is slid to bring the side surface of the base 11 into contact with the second reference surface 231 to determine the position of the sub-jig 1 with respect to the female jig 2. Since the position of the blade 3 relative to the female jig 2 is determined, the position of the sub-jig 1 relative to the female jig 2 is determined, and the position of the blade 3 relative to the sub-jig 1 is also determined. For the clamping of the same batch of blades 3, the matching of the female clamp 2 and the sub clamp 1 can ensure that the relative position of each blade 3 and the sub clamp 1 is fixed, ensure that the clamping blades 3 of the sub clamp 1 have higher repeated positioning precision, and be convenient for directly putting the sub clamp 1 to a numerical control machine tool for processing, thereby being beneficial to improving the production efficiency. If the sub-fixture 1 clamps the same batch of blades 3, the position of the blade 3 relative to the sub-fixture 1 has a large deviation after each clamping, and the repeated positioning accuracy of the sub-fixture 1 is not high, the related coordinate parameters in the numerical control program need to be readjusted every time the sub-fixture 1 is machined in the numerical control machine tool, so that the production efficiency is reduced.
In some embodiments, the sub-fixture 1 is provided with a tenon positioning member, which abuts against the tenon when the side surface of the base 11 is engaged with the second reference surface 231. When machining is performed in a numerical control machine tool, in order to avoid axial play of the blade 3 due to vibration, in the technical scheme, the sub-fixture 1 is provided with a tenon positioning piece, the tenon positioning piece is arranged in the clamping part 12, and the tenon positioning piece can be a tenon positioning bolt 151 or other structures capable of realizing positioning. The tenon positioning member in this embodiment is a tenon positioning bolt 151. When the position of the blade 3 with respect to the female jig 2 is determined and the position of the sub-jig 1 with respect to the female jig 2 is also determined, the tenon positioning bolt 151 is rotated to abut the tenon, a nut is attached to the tenon positioning bolt 151, and the tenon positioning bolt 151 is fixed to the clamping portion 12 by the nut. When the sub-clamp 1 is clamped into a numerical control machine tool to be processed, the tenon positioning bolt 151 abuts against the tenon, axial movement of the blade 3 caused by vibration can be avoided, and the purpose of preventing the tenon positioning bolt 151 from loosening is achieved by utilizing the nut.
The implementation steps of the invention are as follows:
s1, scribing the blade 3, scribing a datum line of the tenon end face, and processing a boss positioning hole and a tenon positioning hole;
s2 is that after the blade 3 is inserted into the sub-fixture 1, the sub-fixture 1 is placed into the main fixture 2, the base 11 is inserted into the positioning groove 23, the main fixture 2 clamps the blade 3 through the tenon positioning rod 211 and the process boss positioning rod 221, and clamps the blade 3 in a three-point positioning manner, adjusts the tenon positioning rod 211 and the process boss positioning rod 221, and locates the datum line of the tenon end face in the plane of the first datum plane 251 through visual observation to determine the position of the blade 3 in the axial direction relative to the main fixture 2, and then fixes the blade body of the blade 3 with the main fixture 2 through the tenon positioning rod 211 and the process boss positioning rod 221;
s3 the sub jig 1 is slid to fit the side surface of the base 11 to the second reference surface 231 to determine the position of the sub jig 1 relative to the female jig 2 in the axial direction, which is the axial direction of the blade 3, and then the sub jig 1 is clamped to the blade 3 by the pot positioning bolt 131, the back positioning bolt 132, the leading edge positioning bolt 141, and the trailing edge positioning bolt 142 to fix the relative position of the blade 3 and the sub jig 1.
S4, the tenon positioning lever 211 and the process boss positioning lever 221 are rotated, the clamping of the female jig 2 on the blade 3 is released, the sub-jig 1 is mounted on a machine tool, and the tenon of the blade 3 is processed.
Compared with the prior art, the technical scheme has the advantages that the female clamp 2 is matched with the sub-clamp 1 to clamp the blade 3, the mechanical structure is adopted to realize clamping and positioning of the blade 3, the use of low-temperature alloy and a casting mold is omitted, the processing cost of the blade 3 is reduced, the casting process of the low-temperature alloy is omitted, the production efficiency of processing the tenon of the blade 3 is improved, the production period is shortened, the requirement on the skill level of workers is reduced, and the production process of the blade 3 is reduced.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A method for processing a tenon of a blade of an air compressor comprises the following steps,
s1, scribing the blade, scribing a datum line of the end face of the tenon, and processing a boss positioning hole and a tenon positioning hole;
which is characterized by comprising the following steps of,
s2, after the blade is arranged in the sub-clamp in a penetrating way, the sub-clamp is placed in the female clamp, the female clamp clamps the blade and determines the position of the blade relative to the female clamp in the axial direction, and then the blade body of the blade is fixed with the female clamp;
s3 determining the position of the sub-clamp relative to the parent clamp in the axial direction, so that the sub-clamp clamps the blade body;
s4, releasing the clamping of the female clamp to the blade, clamping the sub clamp to a machine tool, and processing the blade tenon.
2. The method of claim 1 wherein the female fixture is configured with a first datum surface, and the female fixture holds the blade with the tooling boss locating hole and the dovetail locating hole such that the dovetail end face datum line is in the plane of the first datum surface to locate the blade in its axial direction relative to the female fixture.
3. The method of claim 1, wherein the female fixture is provided with a second datum surface, and the position of the sub-fixture in the axial direction relative to the female fixture is determined with reference to the second datum surface.
4. The method for machining a compressor blade tenon as recited in claim 2, wherein the female jig is provided with a proof mass, and the first reference surface is a surface of the proof mass facing the sub jig.
5. The method for machining a tenon of a compressor blade according to claim 3, wherein the female jig is provided with a positioning groove for positioning the male jig, and the second reference surface is a plane on one side of the tenon in the positioning groove;
the sub-clamp is provided with a base inserted into the positioning groove, and the side surface of the base opposite to the second datum plane can be attached to the second datum plane.
6. The method for machining a compressor blade tenon as recited in claim 1, wherein the female jig includes a tenon positioning portion abutting against the tenon positioning hole and a process boss positioning portion abutting against the process boss positioning hole, and the tenon positioning portion and the process boss positioning portion clamp the blade by three-point positioning.
7. The method of claim 6 wherein the dovetail positioning portion is configured with a calibration block.
8. The method for machining the tenon of the compressor blade according to claim 6, wherein the tenon positioning portion includes a tenon positioning support and a tenon positioning rod, the tenon positioning rod is connected to the tenon positioning support in a threaded manner, and the tenon positioning rod abuts against the tenon in the axial direction of the blade.
9. The method for machining the tenon of the blade of the compressor as claimed in claim 6, wherein the positioning portion of the process boss comprises a positioning support and a positioning rod of the process boss, the positioning rod of the process boss is in threaded connection with the positioning support of the process boss, and the positioning rod of the process boss abuts against the process boss along the axial direction of the blade.
10. The method for machining a tenon of a compressor blade according to claim 1, wherein the sub-jig includes a basin-shaped positioning bolt, a back-shaped positioning bolt, a front edge positioning bolt, and a rear edge positioning bolt, and the basin-shaped positioning bolt, the back-shaped positioning bolt, the front edge positioning bolt, and the rear edge positioning bolt abut against the blade body.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011125964.0A CN112276618B (en) | 2020-10-20 | 2020-10-20 | Method for machining tenon of blade of gas compressor |
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| CN202011125964.0A CN112276618B (en) | 2020-10-20 | 2020-10-20 | Method for machining tenon of blade of gas compressor |
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| CN112276618A true CN112276618A (en) | 2021-01-29 |
| CN112276618B CN112276618B (en) | 2021-07-13 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113878522A (en) * | 2021-10-29 | 2022-01-04 | 中国航发北京航空材料研究院 | Working blade detection positioning device and positioning method |
| CN114800161A (en) * | 2022-06-13 | 2022-07-29 | 西安朋邦工贸有限公司 | Clamping fixture and clamping method for machining tenon of turbine working blade |
| CN115570395A (en) * | 2022-11-11 | 2023-01-06 | 山东豪迈机械制造有限公司 | Single-tenon blade machining device and machining method |
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| CN113878522A (en) * | 2021-10-29 | 2022-01-04 | 中国航发北京航空材料研究院 | Working blade detection positioning device and positioning method |
| CN113878522B (en) * | 2021-10-29 | 2023-01-13 | 中国航发北京航空材料研究院 | Working blade detection positioning device and positioning method |
| CN114800161A (en) * | 2022-06-13 | 2022-07-29 | 西安朋邦工贸有限公司 | Clamping fixture and clamping method for machining tenon of turbine working blade |
| CN114800161B (en) * | 2022-06-13 | 2023-08-15 | 西安朋邦工贸有限公司 | Clamping fixture and clamping method for machining tenon of turbine working blade |
| CN115570395A (en) * | 2022-11-11 | 2023-01-06 | 山东豪迈机械制造有限公司 | Single-tenon blade machining device and machining method |
| CN115570395B (en) * | 2022-11-11 | 2023-03-14 | 山东豪迈机械制造有限公司 | Single-tenon blade machining device and machining method |
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