CN111729820A - Test piece thermal spraying method for revolving body part - Google Patents
Test piece thermal spraying method for revolving body part Download PDFInfo
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- CN111729820A CN111729820A CN202010624377.XA CN202010624377A CN111729820A CN 111729820 A CN111729820 A CN 111729820A CN 202010624377 A CN202010624377 A CN 202010624377A CN 111729820 A CN111729820 A CN 111729820A
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- test piece
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
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Abstract
A test piece thermal spraying method for a revolving body part comprises the following steps: 1) manufacturing a test piece spraying mold, wherein the test piece spraying mold comprises a rotary table (1), a test piece spraying model (2) is arranged above the rotary table (1), and a plurality of test piece mounting openings (3) are distributed on the test piece spraying model (2); 2) processing a test piece spraying model (2); 3) completing the test piece spraying; 4) and (3) carrying out test piece manufacturability test detection, taking down the test piece from the test piece mounting opening (3) after spraying, carrying out test detection according to process requirements, and spraying the actual part according to process parameters of test piece spraying after a detection result is qualified. The invention takes the external dimension of the revolving body part and the area to be sprayed as reference to make the test piece spraying mould, and inserts various test pieces for test on the area to be sprayed of the test piece spraying mould, thereby ensuring that the spraying of the test piece and the spraying of the part are consistent, improving the working efficiency and the spraying quality of the part, and reducing the production cost.
Description
Technical Field
The invention relates to the technical field of thermal spraying processing, in particular to a test piece thermal spraying method for a revolving body part.
Background
In the thermal spraying process, in order to ensure the reliability of the sprayed technological parameters, the parts of different batches are firstly sprayed with the coating by using a test piece before the coating is sprayed, and the test piece is subjected to corresponding tests such as a hardness test, a tensile test, a bending test, a metallographic test and the like, and the parts can be sprayed only after the required coating tests are qualified. According to the requirements of different tests, the test piece is mainly rectangular thin piece (about 100mm multiplied by 20mm multiplied by 1.5 mm) and mainly used for bending test, metallographic test, hardness test and the like, and the test piece of round cake (about 25mm multiplied by 10 mm) is mainly used for tensile test, hardness test and the like. When spraying various test pieces for tests, the test pieces are arranged on a rotary table with a fixed outer diameter for spraying, except that the outer circle (inner circle) diameter of a region to be sprayed of a part is consistent with the outer diameter of the rotary table, the spraying position of the test pieces is greatly different from the spraying position of an actual part under other conditions, the spraying position of the test pieces is not the same as the spraying position of the part, and the part is sprayed by process parameters determined by spraying the test pieces, so that the process is not strict. Therefore, the spraying of the test piece is used to reflect the spraying of the part, and the deviation may bring serious quality influence to high-end industrial parts (such as aviation and aerospace industries) with increasingly improved processing precision.
How can the spray position of the test piece coincide with the spray position of the part, so that the spray parameters can be used as a reference for spraying the part? And selecting an entity part as a test piece to perform trial spraying, and starting spraying of formal parts after the test is qualified. Although this method is feasible, it is too costly to perform destructive cutting and sampling of the solid parts and then to perform various test tests, which is obviously not the best method for parts made of various expensive materials (such as titanium alloys, high temperature alloys, etc.), and the process is too cumbersome and is not conducive to improving the efficiency of the production process.
Disclosure of Invention
In view of the above, the present invention provides a method for thermally spraying a test piece for a revolving body component, so as to achieve the consistency of the spraying positions of the test piece and the component, and to improve the production efficiency, with low cost and convenient detection.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a test piece thermal spraying method for a revolving body part comprises the following steps:
1) manufacturing a test piece spraying mold, wherein the test piece spraying mold comprises a rotary table, a test piece spraying model is arranged above the rotary table, and a plurality of test piece mounting openings are distributed on the test piece spraying model;
2) processing a test piece spraying model, copying the external dimension of a part and the area to be sprayed by gypsum according to the dimension of the part and the area to be sprayed by the part in a ratio of 1:1 to obtain the test piece spraying model, wherein the test piece spraying model is cylindrical, the areas to be sprayed are distributed on the test piece spraying model along the circumference, the areas to be sprayed are strip-shaped, and a plurality of test piece mounting openings are uniformly distributed in the areas to be sprayed;
3) completing test piece spraying, installing a corresponding test piece at the test piece installing opening according to the process test requirement, fixing a test piece spraying model on the rotary table, and setting process parameters to spray the test piece;
4) and (4) carrying out test piece manufacturability test detection, taking down the test piece from the test piece mounting opening after spraying, carrying out test detection according to the process requirement, and spraying the actual part according to the process parameters of test piece spraying after the detection result is qualified.
Compared with the prior art, the test piece thermal spraying method for the revolving body part has the following advantages:
the invention takes the external dimension of the revolving body part and the area to be sprayed as reference to make the test piece spraying mould, and inserts various test pieces for test on the area to be sprayed of the test piece spraying mould, thereby ensuring that the spraying of the test piece and the spraying of the part are consistent, the same appearance and the same technological parameters, and the test piece is easy to disassemble and detect, thereby improving the working efficiency and the spraying quality of the part, and reducing the production cost.
Meanwhile, the test piece spraying mold for gypsum molding can be repeatedly utilized, only the overspray part of the test piece spraying mold needs to be cleaned regularly, and due to the convenience of gypsum molding, a part model with any complex shape can be manufactured almost, so that the test piece spraying embedded in the test piece spraying mold reflects the spraying of the actual part to-be-sprayed area, the consistency of the test piece spraying and the part spraying positions is realized, the consistency and the accuracy of the process parameters of the test piece spraying and the part spraying are kept, and the control of the thermal spraying process parameters and the process quality are improved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of a test piece spraying mold of the test piece thermal spraying method for a revolving body component according to the present invention.
Description of reference numerals:
1. a turntable; 2. spraying a model on the test piece; 3. a test piece mounting opening.
Detailed Description
A test piece thermal spraying method for a revolving body part comprises the following steps:
1) manufacturing a test piece spraying mold, wherein the test piece spraying mold comprises a rotary table 1, a test piece spraying model 2 is arranged above the rotary table 1, and a plurality of test piece mounting openings 3 are distributed on the test piece spraying model 2;
2) processing a test piece spraying model 2, copying the external dimension of a part and the area to be sprayed by gypsum according to the dimension of the part and the area to be sprayed by the part in a ratio of 1:1 to obtain the test piece spraying model 2, wherein the test piece spraying model 2 is cylindrical, the areas to be sprayed are distributed on the test piece spraying model 2 along the circumference, the areas to be sprayed are strip-shaped, and a plurality of test piece mounting openings 3 are uniformly distributed in the areas to be sprayed;
3) completing test piece spraying, installing a corresponding test piece at the test piece installing opening 3 according to the process test requirement, fixing the test piece spraying model 2 on the rotary table 1, and setting process parameters for carrying out test piece spraying;
4) and (4) carrying out test piece manufacturability test detection, taking the test piece down from the test piece mounting opening 3 after spraying, carrying out test detection according to process requirements, and spraying the actual part according to process parameters of test piece spraying after a detection result is qualified.
The invention takes the external dimension of the revolving body part and the area to be sprayed as reference to make the test piece spraying mould, and inserts various test pieces for test on the area to be sprayed of the test piece spraying mould, thereby ensuring that the spraying of the test piece and the spraying of the part are consistent, the same appearance and the same technological parameters, and the test piece is easy to disassemble and detect, thereby improving the working efficiency and the spraying quality of the part, and reducing the production cost.
Meanwhile, the test piece spraying mold for gypsum molding can be repeatedly utilized, only the overspray part of the test piece spraying mold needs to be cleaned regularly, and due to the convenience of gypsum molding, a part model with any complex shape can be manufactured almost, so that the test piece spraying embedded in the test piece spraying mold reflects the spraying of the actual part to-be-sprayed area, the consistency of the test piece spraying and the part spraying positions is realized, the consistency and the accuracy of the process parameters of the test piece spraying and the part spraying are kept, and the control of the thermal spraying process parameters and the process quality are improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (1)
1. A test piece thermal spraying method for a revolving body part is characterized in that: the method comprises the following steps:
1) manufacturing a test piece spraying mold, wherein the test piece spraying mold comprises a rotary table (1), a test piece spraying model (2) is arranged above the rotary table (1), and a plurality of test piece mounting openings (3) are distributed on the test piece spraying model (2);
2) processing a test piece spraying model (2), copying the external dimension of a part and the area to be sprayed by gypsum according to the dimension of the part and the area to be sprayed by the part in a ratio of 1:1 to obtain the test piece spraying model (2), wherein the test piece spraying model (2) is cylindrical, the areas to be sprayed are distributed on the test piece spraying model (2) along the circumference, the areas to be sprayed are strip-shaped, and a plurality of test piece mounting openings (3) are uniformly distributed in the areas to be sprayed;
3) the test piece spraying is completed, corresponding test pieces are installed on the test piece installing openings (3) according to the process test requirements, the test piece spraying model (2) is fixed on the rotary table (1), and process parameters are set for the test piece spraying;
4) and (3) carrying out test piece manufacturability test detection, taking down the test piece from the test piece mounting opening (3) after spraying, carrying out test detection according to process requirements, and spraying the actual part according to process parameters of test piece spraying after a detection result is qualified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010624377.XA CN111729820B (en) | 2020-07-01 | 2020-07-01 | Test piece thermal spraying method for rotary part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010624377.XA CN111729820B (en) | 2020-07-01 | 2020-07-01 | Test piece thermal spraying method for rotary part |
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| Publication Number | Publication Date |
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| CN111729820A true CN111729820A (en) | 2020-10-02 |
| CN111729820B CN111729820B (en) | 2023-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010624377.XA Active CN111729820B (en) | 2020-07-01 | 2020-07-01 | Test piece thermal spraying method for rotary part |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2236821A1 (en) * | 1995-11-13 | 1997-05-22 | General Magnaplate Corporation | Fabrication of tooling by thermal spraying |
| CN102212773A (en) * | 2010-04-02 | 2011-10-12 | 沈阳工业大学 | Method for rapidly manufacturing steel-base mould by thermal spraying |
| CN204261852U (en) * | 2014-11-06 | 2015-04-15 | 北京矿冶研究总院 | Thermal spraying sample fixture |
| CN105834028A (en) * | 2015-01-13 | 2016-08-10 | 上海航天设备制造总厂 | Automatic spray system and method for heat insulating layer of cryogenic tank of rocket |
| CN207512248U (en) * | 2017-11-28 | 2018-06-19 | 哈尔滨汽轮机厂有限责任公司 | A kind of thermal spraying is from solid from Cooling fixture |
| CN208437088U (en) * | 2018-04-27 | 2019-01-29 | 成都成发泰达航空科技有限公司 | A kind of APU part examination spraying auxiliary mould |
| CN110841876A (en) * | 2019-12-03 | 2020-02-28 | 成立航空技术有限公司 | Test piece clamping device for thermal spraying |
-
2020
- 2020-07-01 CN CN202010624377.XA patent/CN111729820B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2236821A1 (en) * | 1995-11-13 | 1997-05-22 | General Magnaplate Corporation | Fabrication of tooling by thermal spraying |
| CN102212773A (en) * | 2010-04-02 | 2011-10-12 | 沈阳工业大学 | Method for rapidly manufacturing steel-base mould by thermal spraying |
| CN204261852U (en) * | 2014-11-06 | 2015-04-15 | 北京矿冶研究总院 | Thermal spraying sample fixture |
| CN105834028A (en) * | 2015-01-13 | 2016-08-10 | 上海航天设备制造总厂 | Automatic spray system and method for heat insulating layer of cryogenic tank of rocket |
| CN207512248U (en) * | 2017-11-28 | 2018-06-19 | 哈尔滨汽轮机厂有限责任公司 | A kind of thermal spraying is from solid from Cooling fixture |
| CN208437088U (en) * | 2018-04-27 | 2019-01-29 | 成都成发泰达航空科技有限公司 | A kind of APU part examination spraying auxiliary mould |
| CN110841876A (en) * | 2019-12-03 | 2020-02-28 | 成立航空技术有限公司 | Test piece clamping device for thermal spraying |
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| Publication number | Publication date |
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| CN111729820B (en) | 2023-09-29 |
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Address after: Room 2-103, Warner Jinghu Garden, Dongli District, Tianjin Applicant after: Establishment of Aviation Co.,Ltd. Address before: Room 2-103, Warner Jinghu garden, Dongli District, Tianjin Applicant before: CHENGLI AVIATION TECHNOLOGY Co.,Ltd. |
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