CN113486477A - Method for designing prefabricated blank of high-temperature-resistant alloy complex single-tenon blade forging - Google Patents
Method for designing prefabricated blank of high-temperature-resistant alloy complex single-tenon blade forging Download PDFInfo
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- CN113486477A CN113486477A CN202110959076.7A CN202110959076A CN113486477A CN 113486477 A CN113486477 A CN 113486477A CN 202110959076 A CN202110959076 A CN 202110959076A CN 113486477 A CN113486477 A CN 113486477A
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- forging
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- prefabricated blank
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/17—Mechanical parametric or variational design
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/02—Die forging; Trimming by making use of special dies ; Punching during forging
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
Abstract
A method for designing a prefabricated blank of a high-temperature-resistant alloy complex single-tenon blade forging comprises the following steps: converting the single tenon blade forging into a two-dimensional graph form from a three-dimensional graph form, wherein the forging direction is required to be vertical to the horizontal plane; inputting the section of the blade forging, of which the deformation is required to be strictly controlled, into two-dimensional drawing software; designing the shapes of the prefabricated blanks of all parts according to the deformation requirements of all sections of the blade forging and considering burrs and the volumes of all parts; inputting each section into three-dimensional drawing software according to an origin and a forging direction, and carrying out a joint design on a transfer fillet to finally obtain a required prefabricated blank; and designing a forming die of the preform according to the three-dimensional drawing of the preform. The method for designing the prefabricated blank breaks through the traditional prefabricated blank design idea, designs the unique prefabricated blank shape according to the material deformation requirement and the sizes of all parts of the forged piece, ensures that the deformation requirement is met during each forging deformation, and the structural performance completely meets the standard requirement, thereby realizing 100 percent qualification of the blade forged piece.
Description
Technical Field
The invention belongs to the technical field of manufacturing of parts of aeroengines, and particularly relates to a method for designing a prefabricated blank of a high-temperature-resistant alloy complex single-tenon blade forged piece.
Background
Along with the increase of the thrust of an engine, the requirement on the high-temperature resistance of the blade is higher and higher, and the requirement on the deformation of the blade by a new high-temperature resistant material is also more strict.
At present, when a high-temperature-resistant alloy complex single-tenon blade forging is designed by adopting a traditional preform design method, the requirement on the deformation of each part of the blade forging cannot be met, and the blade forging is scrapped in batches due to unqualified tissues.
As shown in fig. 1 (a-d), for a typical complex single-tenon blade forging, the deformation of the gear shaping, the flange plate and the blade body of the blade forging cannot meet the requirement when the traditional bar stock and extrusion rod forming forging method is adopted.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a method for designing a prefabricated blank of a high-temperature-resistant alloy complex single-tenon blade forged piece, which breaks through the traditional prefabricated blank design thought, designs a unique prefabricated blank shape according to the material deformation requirement and the sizes of all parts of the forged piece, and can accurately control the deformation of all parts of the forged piece when metal is deformed every time.
In order to achieve the purpose, the invention adopts the following technical scheme: a method for designing a prefabricated blank of a high-temperature-resistant alloy complex single-tenon blade forged piece comprises the following steps:
the method comprises the following steps: converting the single tenon blade forging into a two-dimensional graph form from a three-dimensional graph form, wherein the forging direction is required to be vertical to the horizontal plane;
step two: inputting the section of the blade forging, of which the deformation is required to be strictly controlled, into two-dimensional drawing software;
step three: designing the shapes of the prefabricated blanks of all parts according to the deformation requirements of all sections of the blade forging and considering burrs and the volumes of all parts;
step four: inputting each section into three-dimensional drawing software according to an origin and a forging direction, and carrying out a joint design on a transfer fillet to finally obtain a required prefabricated blank;
step five: and designing a forming die of the preform according to the three-dimensional drawing of the preform.
The invention has the beneficial effects that:
the method for designing the prefabricated blank of the high-temperature-resistant alloy complex single-tenon blade forged piece breaks through the traditional prefabricated blank design thought, designs the unique prefabricated blank shape according to the material deformation requirement and the sizes of all parts of the forged piece, and can accurately control the deformation of all parts of the forged piece when metal deforms every time.
Drawings
FIG. 1 (a-d) is a two-dimensional view of a typical complex single tenon blade forging;
FIGS. 2 (a-f) are schematic views of a cut cross-sectional location and cross-sectional profile;
FIG. 3 (a-e) is a schematic diagram of the calculation results of the deformation of each section of the blade forging;
FIG. 4 (a-b) is a schematic view of the shape of the preform after assembly;
FIG. 5 (a-c) is a schematic view of a preform shaping mold;
FIG. 6 is a process flow diagram of the present invention for a refractory alloy complex single tenon blade forging preform design method;
Detailed Description
The invention is described in further detail below with reference to the figures and the specific embodiments.
A method for designing a prefabricated blank of a high-temperature-resistant alloy complex single-tenon blade forging piece is shown in figure 6 and comprises the following steps:
the method comprises the following steps: converting the single-tenon-blade forging from a three-dimensional graph form to a two-dimensional graph form, wherein the forging direction is required to be vertical to the horizontal plane, as shown in fig. 1 (a-d), in the embodiment, the three-dimensional graph of the single-tenon-blade forging is opened in UG software, the three-dimensional graph of the single-tenon-blade forging is converted into the two-dimensional graph form in the UG software, and the converted two-dimensional graph of the single-tenon-blade forging is opened in CAXA software;
step two: inputting the section of the blade forging, of which the deformation is required to be strictly controlled, into two-dimensional drawing software; specifically, in UG software, a cross section is cut from a three-dimensional image of an opened single-tenon blade forging and is input into CAXA software by using a position which is vertical to a Z-axis plane and needs to strictly control deformation; cutting a section of the gear shaping part, the flange plate part, the two transfer fillets and the blade body part of the blade forging according to needs, and calculating, wherein the positions of the cut sections can be increased if needed, and the positions and the profiles of the cut sections are shown in fig. 2 (a-f);
step three: designing the shapes of the preformed blanks of all the parts according to the deformation requirements of all the sections of the blade forging and considering burrs and the volumes of all the parts, as shown in fig. 3 (a-e), wherein a solid line in the figure is the section shape of the blade forging, a dotted line is the calculated section shape of the preformed blank, the deformation of the gear shaping, the gear shaping and the flange plate transfer fillet is 30%, the deformation of the flange plate part is 20%, and the deformation of the blade body, the blade body and the flange plate transfer fillet is 40%;
step four: inputting each section into three-dimensional drawing software according to an origin and a forging direction, and carrying out a joint design on a transfer fillet to finally obtain a required prefabricated blank; specifically, considering the area of each cross section, the area of burrs or the volume, and assembling the preform in the UG software according to the Z value of each cross section, it should be noted that two transfer fillets need to adopt a fillet to be close to the cross section 2 and the cross section 4 in the UG software, as shown in fig. 4 (a-b);
step five: designing a forming mould of the preform according to the three-dimensional drawing of the preform; specifically, as shown in fig. 5 (a-c), the preform-forming mold includes two openable female molds, i.e., a left female mold and a right female mold.
The embodiments are not intended to limit the scope of the present invention, and all equivalent implementations or modifications without departing from the scope of the present invention are intended to be included in the scope of the present invention.
Claims (1)
1. A method for designing a prefabricated blank of a high-temperature-resistant alloy complex single-tenon blade forged piece is characterized by comprising the following steps of:
the method comprises the following steps: converting the single tenon blade forging into a two-dimensional graph form from a three-dimensional graph form, wherein the forging direction is required to be vertical to the horizontal plane;
step two: inputting the section of the blade forging, of which the deformation is required to be strictly controlled, into two-dimensional drawing software;
step three: designing the shapes of the prefabricated blanks of all parts according to the deformation requirements of all sections of the blade forging and considering burrs and the volumes of all parts;
step four: inputting each section into three-dimensional drawing software according to an origin and a forging direction, and carrying out a joint design on a transfer fillet to finally obtain a required prefabricated blank;
step five: and designing a forming die of the preform according to the three-dimensional drawing of the preform.
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| CN202110959076.7A CN113486477B (en) | 2021-08-20 | 2021-08-20 | Design method of high-temperature-resistant alloy complex single-tenon blade forging preform |
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| CN202110959076.7A CN113486477B (en) | 2021-08-20 | 2021-08-20 | Design method of high-temperature-resistant alloy complex single-tenon blade forging preform |
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| CN113486477A true CN113486477A (en) | 2021-10-08 |
| CN113486477B CN113486477B (en) | 2023-06-09 |
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Citations (8)
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| US20090173132A1 (en) * | 2008-01-03 | 2009-07-09 | General Electric Company | Near net shape forging process for compressor and turbine wheels and turbine spacer wheeis |
| CN104785692A (en) * | 2015-04-14 | 2015-07-22 | 太原科技大学 | Method for determining shape and dimension of bulkhead forging thickness-variable slab |
| CN104801644A (en) * | 2015-04-14 | 2015-07-29 | 太原科技大学 | Pre-forming mold and method of variable-thickness plate blank of separation frame forge element |
| CN106529069A (en) * | 2016-11-24 | 2017-03-22 | 沈阳黎明航空发动机(集团)有限责任公司 | Method for designing blade body margin of over-bent blade forge piece |
| CN107812870A (en) * | 2017-09-28 | 2018-03-20 | 中国航发动力股份有限公司 | A kind of manufacture method of forging blade blocking steps of manufacturing blanks |
| CN109175179A (en) * | 2018-11-23 | 2019-01-11 | 中国航发南方工业有限公司 | A kind of high temperature alloy forging process for fuel pulling method |
| CN110941900A (en) * | 2019-11-26 | 2020-03-31 | 中国航发沈阳黎明航空发动机有限责任公司 | Blade forging prefabricated blank design method capable of accurately controlling material flow distribution |
| JPWO2019146511A1 (en) * | 2018-01-25 | 2020-12-10 | 日本製鉄株式会社 | Forged crankshaft manufacturing method |
-
2021
- 2021-08-20 CN CN202110959076.7A patent/CN113486477B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090173132A1 (en) * | 2008-01-03 | 2009-07-09 | General Electric Company | Near net shape forging process for compressor and turbine wheels and turbine spacer wheeis |
| CN104785692A (en) * | 2015-04-14 | 2015-07-22 | 太原科技大学 | Method for determining shape and dimension of bulkhead forging thickness-variable slab |
| CN104801644A (en) * | 2015-04-14 | 2015-07-29 | 太原科技大学 | Pre-forming mold and method of variable-thickness plate blank of separation frame forge element |
| CN106529069A (en) * | 2016-11-24 | 2017-03-22 | 沈阳黎明航空发动机(集团)有限责任公司 | Method for designing blade body margin of over-bent blade forge piece |
| CN107812870A (en) * | 2017-09-28 | 2018-03-20 | 中国航发动力股份有限公司 | A kind of manufacture method of forging blade blocking steps of manufacturing blanks |
| JPWO2019146511A1 (en) * | 2018-01-25 | 2020-12-10 | 日本製鉄株式会社 | Forged crankshaft manufacturing method |
| CN109175179A (en) * | 2018-11-23 | 2019-01-11 | 中国航发南方工业有限公司 | A kind of high temperature alloy forging process for fuel pulling method |
| CN110941900A (en) * | 2019-11-26 | 2020-03-31 | 中国航发沈阳黎明航空发动机有限责任公司 | Blade forging prefabricated blank design method capable of accurately controlling material flow distribution |
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| CN113486477B (en) | 2023-06-09 |
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