CN115401430A - Front cone and pipe system processing technology - Google Patents
Front cone and pipe system processing technology Download PDFInfo
- Publication number
- CN115401430A CN115401430A CN202211266835.2A CN202211266835A CN115401430A CN 115401430 A CN115401430 A CN 115401430A CN 202211266835 A CN202211266835 A CN 202211266835A CN 115401430 A CN115401430 A CN 115401430A
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- CN
- China
- Prior art keywords
- cone
- welding
- process comprises
- pipe system
- product
- 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.)
- Pending
Links
- 238000012545 processing Methods 0.000 title claims abstract description 16
- 238000005516 engineering process Methods 0.000 title claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 44
- 238000003466 welding Methods 0.000 claims abstract description 30
- 238000012360 testing method Methods 0.000 claims abstract description 24
- 238000004140 cleaning Methods 0.000 claims abstract description 14
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000004381 surface treatment Methods 0.000 claims abstract description 10
- 238000005452 bending Methods 0.000 claims abstract description 9
- 238000001514 detection method Methods 0.000 claims abstract description 7
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 5
- 238000005554 pickling Methods 0.000 claims abstract description 5
- 238000007747 plating Methods 0.000 claims abstract description 5
- 238000012937 correction Methods 0.000 claims abstract description 4
- 230000002265 prevention Effects 0.000 claims abstract description 4
- 238000005219 brazing Methods 0.000 claims description 9
- 238000007689 inspection Methods 0.000 claims description 9
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 4
- 239000000945 filler Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 229910052786 argon Inorganic materials 0.000 claims description 2
- 238000001816 cooling Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 claims description 2
- 238000005520 cutting process Methods 0.000 claims 2
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
The invention provides a front cone and pipe system processing technology, which can effectively ensure that the precision and the integral smoothness of a product meet the quality requirement, thereby ensuring the integral quality of subsequent products, and the invention also provides a test device which is characterized in that: the method comprises the steps of assembling, surface treatment, welding, testing, cleaning and checking, wherein the assembling process comprises pipe system bending, shape correction and front assembly connection, the surface treatment process comprises connecting and pickling a cone and a pipe system part to be welded, and then carrying out surface nickel plating treatment, the welding process comprises welding and connecting the bending pipe and the cone, then carrying out endoscopic and flaw detection on the welding part, the testing process comprises pipe system leakage prevention and pressure resistance testing on the whole welded by the bending pipe and the cone through a testing device, the cleaning process comprises cleaning a product, and the checking process comprises integral checking on the whole product, so that the whole product is machined.
Description
Technical Field
The invention relates to the technical field of product processing, in particular to a front cone and pipe system processing technology.
Background
The product shown in fig. 1 is a cone and pipeline connecting structure, and the cone and pipeline connecting structure is combined with other subsequent parts to form a whole product after processing, so that the front cone and the pipeline not only need to ensure certain precision during processing, but also need to ensure the integral finish of the product so as to ensure that the quality requirement of the product can be met during subsequent product assembly, the existing processing technology cannot meet the requirement, and the precision and the integral finish of the produced product cannot ensure the quality requirement of the product, thereby affecting the integral quality of the subsequent product.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a front cone and pipe system processing technology which can effectively ensure that the precision and the integral smoothness of a product meet the quality requirement, thereby ensuring the integral quality of subsequent products.
The technical scheme is as follows: a front cone and pipe system processing technology is characterized in that: the method comprises the steps of assembling, welding, surface treatment, testing, cleaning and inspection;
the assembly process comprises pipe bending and shape correction of the pipe system, and then assembly connection with the pipe system before;
the surface treatment process comprises the steps of connecting and pickling the cone and the part to be welded of the pipe system, and then carrying out surface nickel plating treatment;
the welding process comprises the steps of welding the elbow and the cone, and then carrying out endoscopic and flaw detection on the welding part;
the test process comprises the steps of performing a piping leakage prevention and pressure resistance test on the whole welded elbow and cone by using a test device;
the cleaning process comprises cleaning a product;
the inspection process includes an overall inspection of the entire product, thereby completing the entire product processing.
It is further characterized in that: the welding process adopts vacuum brazing, and the gas is kept for 3 to 5 seconds after the flame is turned off after the welding is finished; the test process ensures that the bevel additional stress of the nose cone is not greater than 700N.
The invention adopts the scheme, the assembling process comprises pipe system bending, shape correction and before assembling connection, the surface treatment process comprises the surface treatment process of connecting and pickling a cone and a pipe system part to be welded and then carrying out surface nickel plating treatment, the welding process comprises the step of welding and connecting the bending pipe and the cone and then carrying out endoscopic and flaw detection on the welded part, the test process comprises the step of carrying out pipe system leakage-proof and pressure-proof tests on the whole welded by the bending pipe and the cone through a test device, the cleaning process comprises the step of cleaning the product, and the test process comprises the step of carrying out whole test on the whole product, so that the whole product processing is completed, the precision and the whole smoothness of the product can be effectively ensured to meet the quality requirements, and the whole quality of subsequent products is ensured.
Drawings
FIG. 1 is a view showing a front cone and a piping structure.
Detailed Description
A front cone and pipe system processing technology comprises the processes of assembling, welding, surface treatment, testing, cleaning and inspection; the assembly process comprises bending and shaping the pipe system, and then assembling and connecting the pipe system with the pipe system; the surface treatment process comprises the steps of connecting and pickling the cone and the part to be welded of the pipe system, and then carrying out surface nickel plating treatment, wherein the welding process comprises the steps of welding and connecting the bent pipe and the cone, and then carrying out endoscopic and flaw detection on the welding part; the test process comprises the steps of carrying out a piping leakage prevention and pressure resistance test on the whole welded elbow and cone by using a test device; the cleaning process comprises cleaning the product; the inspection process includes an overall inspection of the entire product, thereby completing the entire product processing.
By adopting the process, the precision and the integral smoothness of the product can be effectively ensured to meet the quality requirement, so that the integral quality of subsequent products is ensured.
And the welding position is subjected to endoscopic and flaw detection, so that the welding quality of the inner wall of the welding position is ensured by endoscopic, and the quality of a welding seam is ensured by flaw detection.
The vacuum brazing is carried out in a vacuum furnace, a front cone and a pipe system are assembled, brazing filler metal is placed at a welding position and placed in the vacuum furnace, the vacuum furnace is vacuumized firstly, the temperature required by brazing is heated to be kept for 3-5 seconds, and the argon is flushed for cooling, so that flame is not used, air is prevented from entering a welding seam, the quality of the welding seam is well guaranteed, and the quality of a product is guaranteed.
The present invention and the embodiments thereof have been described in an illustrative manner, and the description is not intended to limit, and the structure shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto, so long as those skilled in the art will be informed by the teachings of the present invention, and without creative design of the structural modes and embodiments similar to the technical solutions, the structural modes and embodiments should fall within the protection scope of the present invention.
Claims (4)
1. A front cone and pipe system processing technology is characterized in that: the method comprises the processes of assembly, welding, surface treatment, test, cleaning and inspection;
the assembly process comprises pipe bending and shape correction of a pipe system, and then assembly connection with the pipe system before;
the surface treatment process comprises the steps of connecting and pickling the cone and the part to be welded of the pipe system, and then carrying out surface nickel plating treatment;
the welding process comprises the steps of welding and connecting the bent pipe and the cone, and then carrying out endoscopic and flaw detection on the welding part;
the test process comprises the steps of performing a piping leakage prevention and pressure resistance test on the whole welded elbow and cone by using a test device;
the cleaning process comprises cleaning a product;
the inspection process includes an overall inspection of the entire product, thereby completing the entire product processing.
2. The process of claim 1 wherein the at least one cutting element comprises at least one cutting element selected from the group consisting of: the welding process adopts vacuum brazing, and after the welding is finished, the flame is turned off, and then the gas is kept for a certain time.
3. The process of claim 2 wherein the forward cone and tube system is produced by: the vacuum brazing is carried out in a vacuum furnace, a front cone and a pipe system are assembled, brazing filler metal is placed at a welding position and placed in the vacuum furnace, the vacuum furnace is vacuumized firstly, the brazing filler metal is heated to the temperature required by brazing and is kept for 3-5 seconds, argon is filled for cooling, and flame is not used.
4. The process of claim 1 wherein the forward cone and tube system is prepared by: the test process ensures that the bevel additional stress of the nose cone is not greater than 700N.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211266835.2A CN115401430A (en) | 2022-10-17 | 2022-10-17 | Front cone and pipe system processing technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211266835.2A CN115401430A (en) | 2022-10-17 | 2022-10-17 | Front cone and pipe system processing technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115401430A true CN115401430A (en) | 2022-11-29 |
Family
ID=84168673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211266835.2A Pending CN115401430A (en) | 2022-10-17 | 2022-10-17 | Front cone and pipe system processing technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115401430A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1375374A (en) * | 2002-04-18 | 2002-10-23 | 南京工业大学 | Manufacture of fine-type stainless steel plate heat exchanger |
| CN102950390A (en) * | 2012-11-09 | 2013-03-06 | 航天材料及工艺研究所 | Dissimilar metal welding structure and method of titanium alloy flange and stainless steel pipeline |
| CN104972213A (en) * | 2015-05-25 | 2015-10-14 | 北京控制工程研究所 | Installing and clamping tool and method for conducting capillary tube welding through installing and clamping tool |
| CN107999981A (en) * | 2017-11-30 | 2018-05-08 | 中国航发沈阳黎明航空发动机有限责任公司 | A kind of welding technique of Split type structure high-pressure turbine guide vane |
-
2022
- 2022-10-17 CN CN202211266835.2A patent/CN115401430A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1375374A (en) * | 2002-04-18 | 2002-10-23 | 南京工业大学 | Manufacture of fine-type stainless steel plate heat exchanger |
| CN102950390A (en) * | 2012-11-09 | 2013-03-06 | 航天材料及工艺研究所 | Dissimilar metal welding structure and method of titanium alloy flange and stainless steel pipeline |
| CN104972213A (en) * | 2015-05-25 | 2015-10-14 | 北京控制工程研究所 | Installing and clamping tool and method for conducting capillary tube welding through installing and clamping tool |
| CN107999981A (en) * | 2017-11-30 | 2018-05-08 | 中国航发沈阳黎明航空发动机有限责任公司 | A kind of welding technique of Split type structure high-pressure turbine guide vane |
Non-Patent Citations (3)
| Title |
|---|
| 洪松涛: "钎焊一本通", vol. 1, 31 January 2014, 上海科技技术出版社, pages: 215 * |
| 美国金属学会: "现代机械工程系列精品教材 机械制造基础", vol. 2, 30 June 2021, 机械工业出版社, pages: 1057 * |
| 美国金属学会: "金属手册 第八版 第六卷 焊接与钎焊", vol. 1, 机械工业出版社, pages: 1057 * |
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