CN114029358B - Manufacturing method of titanium alloy thin-wall cylinder - Google Patents
Manufacturing method of titanium alloy thin-wall cylinder Download PDFInfo
- Publication number
- CN114029358B CN114029358B CN202111107373.5A CN202111107373A CN114029358B CN 114029358 B CN114029358 B CN 114029358B CN 202111107373 A CN202111107373 A CN 202111107373A CN 114029358 B CN114029358 B CN 114029358B
- Authority
- CN
- China
- Prior art keywords
- titanium alloy
- die
- alloy thin
- wall cylinder
- cylindrical
- 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
Links
- 229910001069 Ti alloy Inorganic materials 0.000 title claims abstract description 70
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 44
- 238000005520 cutting process Methods 0.000 claims abstract description 20
- 238000003466 welding Methods 0.000 claims abstract description 11
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 4
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 23
- 239000000463 material Substances 0.000 claims description 12
- 239000011324 bead Substances 0.000 claims description 7
- 239000002245 particle Substances 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 238000003698 laser cutting Methods 0.000 claims description 3
- 230000003746 surface roughness Effects 0.000 claims description 3
- 238000003754 machining Methods 0.000 description 4
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 239000008358 core component Substances 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012778 molding material Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 238000003856 thermoforming Methods 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/08—Making tubes with welded or soldered seams
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The invention discloses a manufacturing method of a titanium alloy thin-wall cylinder, which comprises the following steps: preparing an integrated expansion mold according to the size of the titanium alloy thin-wall cylinder to be prepared; cutting and rounding the titanium alloy blank to obtain a first intermediate piece; welding the first intermediate piece into a cylindrical piece; after the cylindrical part is coated with the antioxidant, the cylindrical part is sleeved on the die body of the integrated expansion die; after bulging treatment is carried out on the cylindrical piece sleeved on the integral type bulging die, the cylindrical piece is separated from the integral type bulging die, and a second intermediate piece is obtained; and cutting the rest of the second intermediate piece to prepare the titanium alloy thin-wall cylinder. The titanium alloy thin-wall cylinder prepared by the manufacturing method has high precision, and the manufacturing method has high production efficiency and can quantitatively produce the titanium alloy thin-wall cylinder.
Description
Technical Field
The invention belongs to the technical field of titanium alloy thermoforming processing, and particularly relates to a manufacturing method of a titanium alloy thin-wall cylinder.
Background
Currently, aerospace product parts are forward and developed in the directions of light weight, low cost and integration, and titanium alloy is widely applied due to the characteristics of light weight, high heat strength, good corrosion resistance and the like and other materials. Titanium alloy thin-walled cylinders are one of the important parts in aerospace products.
The existing manufacturing method of the thin-wall cylinder mainly comprises the following two steps: according to the method, a thick-wall tubular part is machined to manufacture the thin-wall cylinder, and the manufactured thin-wall cylinder can meet the high-precision requirement, but has long machining period, extremely low production efficiency and material utilization rate, and cannot meet the quantitative production requirement. And secondly, manufacturing the thin-wall cylinder by adopting a method of hot forming and processing the thin plate by using a split bulging die. The split bulging die has high processing cost, the processing errors of the die and the assembling errors of the die directly affect the high-precision quality requirement of the thin-wall cylinder, so that the thin-wall cylinder has low production qualification rate, and the die is assembled and disassembled for a long time, so that the labor intensity is high and the production efficiency is low.
It is apparent that there is a great need in the art to provide a method for manufacturing titanium alloy thin-walled cylinders with high precision, high production efficiency and quantitative production.
Disclosure of Invention
In order to solve the problems, the embodiment of the invention provides a method for manufacturing a titanium alloy thin-wall cylinder, which has high precision and production efficiency and can quantitatively produce the titanium metal thin-wall cylinder.
In order to solve the technical problems, the invention discloses a manufacturing method of a titanium alloy thin-wall cylinder, wherein the method comprises the following steps: preparing an integrated expansion mold according to the size of the titanium alloy thin-wall cylinder to be prepared; cutting and rounding the titanium alloy blank to obtain a first intermediate piece; welding the first intermediate piece into a cylindrical piece; after the cylindrical part is coated with the antioxidant, the cylindrical part is sleeved on the die body of the integrated expansion die; after the cylindrical piece sleeved on the integral expansion die is subjected to bulging treatment, the cylindrical piece is separated from the integral expansion die, and a second intermediate piece is obtained; and cutting the rest of the second intermediate piece to prepare the titanium alloy thin-wall cylinder.
Optionally, before the cylindrical member is fitted onto the die body of the integral expansion die, the method further includes: checking whether hard particles exist on the surfaces of the cylindrical piece and the integrated expansion die; the step of fitting the cylinder onto the body of the integral expansion die is performed without hard spots.
Optionally, the step of bulging the cylindrical member sleeved on the integral bulging die comprises the following steps: heating the oven to a preset temperature; and loading the integrated expansion die sleeved with the cylindrical piece into the oven, and baking for a preset period of time.
Optionally, the step of detaching the cylindrical member from the integral expansion die to obtain a second intermediate member comprises: the integral expansion mould sleeved with the cylindrical piece is taken out of the oven; and (3) after cooling at normal temperature, separating the cylindrical part from the integrated expansion die.
Optionally, the step of cutting the remainder of the second intermediate piece to prepare the titanium alloy thin-wall cylinder comprises the following steps: and mounting the second intermediate piece on a lathe, and cutting off reserved arcing allowance to prepare the titanium alloy thin-wall cylinder.
Optionally, the step of cutting and rounding the titanium alloy blank to obtain the first intermediate piece comprises the following steps: performing plate blanking by using a laser cutting machine, and cutting to obtain a titanium alloy blank plate; and (3) coiling the titanium alloy blank flat plate by using an automatic two-roller coiling machine, so that the circular straight edge is minimized, and a first intermediate piece is obtained.
Optionally, the integral expansion die includes: the welding bead avoiding groove, the lightening hole, the lifting hole, the end chamfer and the end fillet.
Optionally, the integrated expansion die material is high-temperature resistant stainless steel with heat shrinkage ratio larger than that of the titanium alloy material.
Optionally, the die body surface roughness of integral type expansion die is 0.8, the welding bead dodges the groove width 8mm, dark 2.5mm, the lightening hole diameter is 143mm, the lifting hole is M12 screw hole, the tip chamfer is 170 degrees, tip fillet radius is 3mm.
Optionally, the preset temperature is 650 ℃, and the preset duration is 2 hours.
According to the manufacturing method of the titanium alloy thin-wall cylinder disclosed by the embodiment of the invention, the titanium alloy thin-wall cylinder is manufactured through the integrated expansion die, on one hand, the integrated expansion die is processed and formed once, the die processing error is small, the die assembly error is almost 0, and the precision of the titanium alloy thin-wall cylinder manufactured through the die is high; in the second aspect, the manufacturing method of the titanium alloy thin-wall cylinder can reduce the production cost, shorten the processing period, improve the production efficiency and meet the requirement of mass production of the titanium alloy thin-wall cylinder.
Drawings
FIG. 1 is a flow chart of steps of a method for manufacturing a titanium alloy thin-walled cylinder according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of an integrated expansion die according to an embodiment of the present invention;
FIG. 3 is a schematic view of a titanium alloy thin-walled cylinder manufacturing process in accordance with an embodiment of the present invention.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings, according to specific embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The invention provides a titanium alloy thin-wall cylinder manufacturing scheme for solving the problems of low precision, low production efficiency, unquantifiable production and the like of the titanium alloy thin-wall cylinder in the prior art, and specific implementation modes are as follows.
As shown in fig. 1, the manufacturing method of the titanium alloy thin-wall cylinder according to the embodiment of the invention comprises the following steps:
step 101: and preparing an integrated expansion mold according to the size of the titanium alloy thin-wall cylinder to be prepared.
According to the manufacturing method of the titanium alloy thin-wall cylinder, the integral bulging die is manufactured through the integral process, and the titanium alloy thin-wall cylinder is manufactured through the integral bulging die, so that the problems of high cost, low production efficiency, low precision and the like of the existing manufacturing method of the titanium alloy thin-wall cylinder are solved.
As shown in fig. 2a and 2b, the integral expansion die includes: the welding bead avoiding groove 202, the lightening hole 203, the lifting hole 204, the end chamfer 205 and the end fillet 206.
In an alternative embodiment, the one-piece expansion die material is a high temperature resistant stainless steel, such as stainless steel 316L, having a heat shrinkage ratio greater than that of the titanium alloy material. The integral expansion die material needs to resist high temperature of 750-800 ℃.
The diameter size of the die body can be determined by the following formula:
D＝d*η
wherein D is the diameter of the die body; d is the inner diameter of the thin-walled cylinder; η is the heat shrinkage ratio of the molding material.
And (3) a die body: the surface adopts finish machining, and the surface quality of the thin-wall cylinder is directly affected. Weld bead avoiding groove: and the influence of the height of the welding seam of the part on the precision of the part is eliminated. Lightening holes: the strength of the integral bulging die is considered, and the thickness of the die body influences the heated forming of the part. Hoisting holes: the self weight of the integrated bulging die is mainly borne, and the titanium alloy thin-wall cylinder and the integrated bulging die are lifted and put into the furnace. Chamfering the end: when the titanium alloy thin-wall cylinder is assembled to the integrated bulging die, the guiding function is achieved, and the installation is convenient. End fillet: when the thin-wall cylinder is assembled to the integrated bulging die, the edge is prevented from scratching the inner surface of the part.
In an alternative embodiment, the die body surface roughness of the integral expansion die is 0.8, the weld bead avoiding groove is 8mm wide and 2.5mm deep, the lightening hole diameter is 143mm, the lifting hole is an M12 threaded hole, the end chamfer is 170 degrees, and the end fillet radius is 3mm.
It should be noted that the foregoing is merely illustrative of the dimensions of the core components in the integrated expansion die, and in the actual implementation process, the specific dimensions of each core component may be flexibly adjusted by those skilled in the art according to actual requirements.
The following describes a titanium alloy thin-walled cylinder with a manufacturing material of TC4 titanium alloy, an external dimension of phi 203 + -0.1 mm 500mm, a thickness of 1mm, and a roundness requirement of 0.2mm after forming, in conjunction with a schematic view of the manufacturing process of the titanium alloy thin-walled cylinder shown in FIG. 3.
Step 102: and cutting and rounding the titanium alloy blank to obtain a first intermediate piece.
In an alternative embodiment, a laser cutting machine can be used for blanking the flat plate, and the flat plate of the titanium alloy blank is obtained by cutting; the titanium alloy blank flat plate is subjected to circle rolling by using an automatic two-roller circle rolling machine, so that the circular straight edge is minimized, and a first intermediate piece is obtained, wherein the first intermediate piece is shown in fig. 3 a.
An exemplary flat panel blanking size is: 1mm×633mm×500mm, cutting accuracy is ±0.1mm.
Step 103: the first intermediate member is welded into a cylindrical member.
In the actual implementation process, the round parts can be welded into cylindrical parts by using an automatic argon arc welding machine, the welding seams are continuous and uniform, and the welding seams are not polished. Wherein the welded cylinder is shown in fig. 3 b.
Step 104: after the antioxidant is smeared on the cylindrical part, the cylindrical part is sleeved on the die body of the integrated expansion die.
In an alternative embodiment, the cylinder and the surface of the integral expansion die may also be inspected for the presence of hard particles prior to fitting the cylinder to the body of the integral expansion die; in the absence of hard particles, the cylinder is then fitted over the body of the integral expansion mold, wherein the fitted state is schematically shown in fig. 3 c.
Before the cylinder piece is sleeved on the integral expansion mould, whether hard particles exist or not is checked, so that the hard particles can be prevented from damaging the smoothness of the surface of the finally manufactured titanium alloy thin-wall cylinder.
Step 105: and (3) after the cylindrical part sleeved on the integral expansion die is subjected to bulging treatment, separating the cylindrical part from the integral expansion die to obtain a second intermediate part.
An alternative way of bulging a cylindrical member fitted over an integral bulging die may be as follows: heating the oven to a preset temperature; and (3) loading the integrated expansion die sleeved with the cylindrical piece into an oven, and baking for a preset period of time.
Wherein, the preset temperature can be set to 650 ℃, and the preset time period can be set to 2 hours. It should be noted that, the temperature of the oven can be flexibly set by a person skilled in the art according to the material of the integrated expansion mold and the material of the thin-walled cylinder to be prepared, which is not particularly limited in the embodiment of the present application.
In the titanium alloy forming method, the heating temperature of the TC4 titanium alloy plate is 650 ℃, so that the temperature of the oven is increased to 650 ℃, the cylindrical part is hoisted and placed into the oven, the cylindrical part is ensured to be uniformly heated in the oven, the heat preservation temperature is set to 650 ℃ and the time is set to 2 hours, and the cylindrical part is subjected to bulging treatment. After the bulging treatment is finished, the bulged cylindrical part is separated from the die, and one possibility is to separate the cylindrical part from the integral bulging die, so that a second intermediate part is obtained in the following manner:
taking out the integrated expansion die sleeved with the cylindrical piece from the oven; and (3) after cooling at normal temperature, separating the cylindrical part from the integrated expansion die.
The expansion and contraction ratios of the cylinder pieces made of different materials are different, and no relative movement exists between the cylinder pieces and the expanding mould, so that the normal-temperature cooled part is easy to demould.
The size of the upper part, the middle part and the lower part of the demoulded second intermediate piece are all phi 203+/-0.1 mm, and the roundness is 0.1mm, so that the high-precision requirement of the thin-wall cylinder is met.
Step 106: and cutting the rest of the second intermediate piece to prepare the titanium alloy thin-wall cylinder.
In the step, the reserved arcing allowance is mainly cut off. An optional method for preparing the titanium alloy thin-wall cylinder by cutting the allowance of the second intermediate piece can be as follows: and mounting the second intermediate piece on a lathe, and cutting off reserved arcing allowance to prepare the titanium alloy thin-wall cylinder.
By using the manufacturing method of the titanium alloy thin-wall cylinder, the high-precision forming qualification rate is improved by 30%, and in addition, compared with the existing machining method, the material utilization rate can be improved by 50%, the manufacturing cost can be reduced by 50%, and the machining efficiency can be improved by 30%.
The above description is given by taking the thin-walled cylinder made of titanium alloy as an example, and in the actual implementation process, the thin-walled cylinder made of other materials may be made by adopting the method.
According to the manufacturing scheme of the titanium alloy thin-wall cylinder disclosed by the embodiment of the invention, the titanium alloy thin-wall cylinder is manufactured through the integrated expansion die, on one hand, the integrated expansion die is processed and formed once, the die processing error is small, the die assembly error is almost 0, and the titanium alloy thin-wall cylinder manufactured through the die has high precision; in the second aspect, the manufacturing method of the titanium alloy thin-wall cylinder can reduce the production cost, shorten the processing period, improve the production efficiency and meet the requirement of mass production of the titanium alloy thin-wall cylinder.
It should be noted that the above description is only a preferred embodiment of the present invention, and it should be understood that it is possible for those skilled in the art to make several changes and modifications without departing from the technical concept of the present invention, which are included in the scope of the present invention.
What is not described in detail in the present specification belongs to the known technology of those skilled in the art.
Claims (7)
1. A method of manufacturing a titanium alloy thin-walled cylinder, the method comprising:
preparing an integrated expansion mold according to the size of the titanium alloy thin-wall cylinder to be prepared;
cutting and rounding the titanium alloy blank to obtain a first intermediate piece;
welding the first intermediate piece into a cylindrical piece;
after the cylindrical part is coated with the antioxidant, the cylindrical part is sleeved on the die body of the integrated expansion die;
after the cylindrical piece sleeved on the integral expansion die is subjected to bulging treatment, the cylindrical piece is separated from the integral expansion die, and a second intermediate piece is obtained;
cutting the allowance of the second intermediate piece to prepare a titanium alloy thin-wall cylinder;
the integral expansion die comprises: the welding bead avoiding groove is positioned on the outer circumferential surface of the die body, the end chamfer is positioned between the outer circumferential surface of the die body and the end surface of the die body, and the end fillet is positioned between the end chamfer surface and the end surface of the die body and between the end chamfer surface and the outer circumferential surface of the die body;
the end chamfer is 170 degrees, and the radius of the end fillet is 3mm;
the integrated expansion die material is high-temperature resistant stainless steel with heat shrinkage ratio larger than that of the titanium alloy material;
the step of bulging the cylindrical member sleeved on the integral bulging die comprises the following steps:
heating the oven to a preset temperature;
loading the integrated expansion die sleeved with the cylindrical piece into the oven, and baking for a preset period of time;
the preset temperature is 650 ℃, and the preset time period is 2 hours.
2. The method of claim 1, wherein prior to the nesting of the cylinder onto the body of the unitary expansion die, the method further comprises:
checking whether hard particles exist on the surfaces of the cylindrical piece and the integrated expansion die;
the step of fitting the cylinder onto the body of the integral expansion die is performed without hard spots.
3. The method of claim 1, wherein the step of disengaging the cylindrical member from the integral expansion die to provide a second intermediate member comprises:
the integral expansion mould sleeved with the cylindrical piece is taken out of the oven;
and (3) after cooling at normal temperature, separating the cylindrical part from the integrated expansion die.
4. The method of claim 1, wherein the step of cutting the remainder of the second intermediate member to produce a titanium alloy thin-walled cylinder comprises:
and mounting the second intermediate piece on a lathe, and cutting off reserved arcing allowance to prepare the titanium alloy thin-wall cylinder.
5. The method of claim 1, wherein the step of cutting and rounding the titanium alloy blank to obtain the first intermediate piece comprises:
performing plate blanking by using a laser cutting machine, and cutting to obtain a titanium alloy blank plate;
and (3) coiling the titanium alloy blank flat plate by using an automatic two-roller coiling machine, so that the circular straight edge is minimized, and a first intermediate piece is obtained.
6. The method of claim 1, wherein the integral expansion die comprises: lightening holes and lifting holes.
7. The method of claim 6, wherein the integral expansion die has a die body surface roughness of 0.8, the weld bead relief groove is 8mm wide and 2.5mm deep, the lightening hole has a diameter of 143mm, and the lifting hole is an M12 threaded hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111107373.5A CN114029358B (en) | 2021-09-22 | 2021-09-22 | Manufacturing method of titanium alloy thin-wall cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111107373.5A CN114029358B (en) | 2021-09-22 | 2021-09-22 | Manufacturing method of titanium alloy thin-wall cylinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114029358A CN114029358A (en) | 2022-02-11 |
| CN114029358B true CN114029358B (en) | 2024-04-05 |
Family
ID=80134460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111107373.5A Active CN114029358B (en) | 2021-09-22 | 2021-09-22 | Manufacturing method of titanium alloy thin-wall cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114029358B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116475324A (en) * | 2023-06-19 | 2023-07-25 | 中国航发成都发动机有限公司 | Forming method of titanium alloy thin-wall cylindrical part |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000306697A (en) * | 1999-04-19 | 2000-11-02 | Kenji Saito | Manufacture of superconducting high-frequency cavity and superconducting high-frequency cavity manufactured thereby |
| CN101244507A (en) * | 2007-02-15 | 2008-08-20 | 洛阳双瑞精铸钛业有限公司 | Process for manufacturing TC4 titanium alloy thin wall overpressure resistant barrel |
| CN101579741A (en) * | 2009-06-04 | 2009-11-18 | 航天材料及工艺研究所 | Manufacturing method of large size thin-walled titanium alloy cylindrical part and cylindrical mould |
| CN101733641A (en) * | 2009-12-18 | 2010-06-16 | 西北有色金属研究院 | Manufacturing method of large-calibre seamless titanium alloy barrel body |
| CN103317309A (en) * | 2013-06-13 | 2013-09-25 | 何永水 | Ball manufacturing method of ball valve |
| CN210231231U (en) * | 2019-07-02 | 2020-04-03 | 沈阳黎明燃气轮机成套设备有限公司 | Stainless steel thermal expansion type mould for processing titanium alloy thin-wall rotating part with curved bus |
| CN210280411U (en) * | 2019-08-02 | 2020-04-10 | 扬州市华生焊管设备有限公司 | Forming die of stainless steel structure spiral welded pipe |
| CN111168407A (en) * | 2020-01-13 | 2020-05-19 | 大连理工大学 | Integrated manufacturing method of high-temperature-resistant thin-wall component by laying metal foil tape for blank making |
| CN112338601A (en) * | 2020-10-29 | 2021-02-09 | 陕西长羽航空装备有限公司 | Cylindrical thin-wall part machining and forming tool and method |
-
2021
- 2021-09-22 CN CN202111107373.5A patent/CN114029358B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000306697A (en) * | 1999-04-19 | 2000-11-02 | Kenji Saito | Manufacture of superconducting high-frequency cavity and superconducting high-frequency cavity manufactured thereby |
| CN101244507A (en) * | 2007-02-15 | 2008-08-20 | 洛阳双瑞精铸钛业有限公司 | Process for manufacturing TC4 titanium alloy thin wall overpressure resistant barrel |
| CN101579741A (en) * | 2009-06-04 | 2009-11-18 | 航天材料及工艺研究所 | Manufacturing method of large size thin-walled titanium alloy cylindrical part and cylindrical mould |
| CN101733641A (en) * | 2009-12-18 | 2010-06-16 | 西北有色金属研究院 | Manufacturing method of large-calibre seamless titanium alloy barrel body |
| CN103317309A (en) * | 2013-06-13 | 2013-09-25 | 何永水 | Ball manufacturing method of ball valve |
| CN210231231U (en) * | 2019-07-02 | 2020-04-03 | 沈阳黎明燃气轮机成套设备有限公司 | Stainless steel thermal expansion type mould for processing titanium alloy thin-wall rotating part with curved bus |
| CN210280411U (en) * | 2019-08-02 | 2020-04-10 | 扬州市华生焊管设备有限公司 | Forming die of stainless steel structure spiral welded pipe |
| CN111168407A (en) * | 2020-01-13 | 2020-05-19 | 大连理工大学 | Integrated manufacturing method of high-temperature-resistant thin-wall component by laying metal foil tape for blank making |
| CN112338601A (en) * | 2020-10-29 | 2021-02-09 | 陕西长羽航空装备有限公司 | Cylindrical thin-wall part machining and forming tool and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114029358A (en) | 2022-02-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109500188B (en) | Molybdenum crucible double-wheel offset hot-state powerful spinning forming device and method | |
| US11813695B2 (en) | Method for forming large-diameter special-shaped cross section thin-wall tubular part | |
| CN114029358B (en) | Manufacturing method of titanium alloy thin-wall cylinder | |
| CN112756460B (en) | Superconducting cavity manufacturing method | |
| CN109365731B (en) | Die forging method for high-temperature alloy precision-forged blade | |
| CN110976603A (en) | Preparation method of fine-grain titanium cylinder for cathode roller | |
| CN106514152A (en) | Processing method and device for thin-wall multi-rib titanium alloy parts | |
| KR100918612B1 (en) | The manufacturing method for a flow formed pressure vessel using a thick plate preform prepared by welding | |
| US20060248938A1 (en) | Hotformed hubs and method | |
| CN111660073A (en) | Manufacturing method of transmission shaft | |
| CN115647225A (en) | Forming method of weak-rigidity small-diameter titanium alloy thin-wall net cylinder | |
| CN113787306B (en) | Flow control accurate thermal forming method for combustion chamber cap cover | |
| CN113941678B (en) | Forging process for hub sleeve warm forging and cold extrusion and die thereof | |
| CN113102868B (en) | Helicopter main nozzle lobe machining method | |
| CN111299422B (en) | Molding die for air inlet of fan and manufacturing and forming method | |
| CN109261756B (en) | Titanium alloy revolving body component and shape correcting method and forming method thereof | |
| CN110216497B (en) | Machining tool and machining method for thin-wall special-shaped ring | |
| CN117415241A (en) | Processing method of cylinder body for aerospace and heat setting tool | |
| CN113601111A (en) | Method for processing multi-slot bushing | |
| CN111872644A (en) | Machining process of half-shaft sleeve | |
| CN117225930B (en) | Thermal expansion correction method for titanium alloy welding cone with boss | |
| CN115889592A (en) | Local-closing cylindrical part thermoforming mold and manufacturing process method | |
| CN111922653B (en) | Fine inserting and rolling machining process for inner gear ring of heavy-duty automobile gearbox after cold extrusion | |
| CN115673691B (en) | Propellant storage tank flange shape and mounting hole precision mounting guaranteeing method | |
| CN117463894A (en) | Necking forming method of long thin-wall cylinder |
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 |