CN104004982B - A kind of titanium alloy component stablizes heat treatment process method - Google Patents
A kind of titanium alloy component stablizes heat treatment process method Download PDFInfo
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- CN104004982B CN104004982B CN201410258243.5A CN201410258243A CN104004982B CN 104004982 B CN104004982 B CN 104004982B CN 201410258243 A CN201410258243 A CN 201410258243A CN 104004982 B CN104004982 B CN 104004982B
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Abstract
The present invention provides a kind of titanium alloy component to stablize heat treatment process method, use and stablize fixture of heat treatment machining titanium alloy part, titanium alloy component exists after efficiently solving processing residual stress and the uneven problem of organizational structure, thus ensures the physical dimension of titanium alloy component and the performance of product.
Description
Technical field
The present invention relates to a kind of titanium alloy component and stablize heat treatment process method, be mainly used in the titanium alloy component after processing is carried out
Revise, the residual stress of Titanium Alloy Aircraft part is reduced or eliminated, improve titanium alloy structure stability.
Background technology
At present, Titanium Alloy Aircraft part, after machining, chemistry milling, panel beating or welding processing, can be tied
Structure is corresponding and the corresponding part of size, is directly used in and produces in product.But in the course of processing, inevitably produce remnants
Stress, can there is the situation that organizational structure is uneven, even affect the precision of titanium alloy component in parts locally.And titanium alloy component
If middle residual stress and the uneven situation of organizational structure can not be processed in time, will the most gradually discharge,
Thus affect the physical dimension of titanium alloy component and the performance of product.
Summary of the invention
In order to solve the problem that prior art exists, the present invention provides a kind of titanium alloy component to stablize heat treatment process method, uses
Stablize fixture of heat treatment machining titanium alloy part, titanium alloy component exists after efficiently solving processing residual stress and organizational structure
Uneven problem, thus ensure the physical dimension of titanium alloy component and the performance of product.
The technical solution used in the present invention is:
A kind of titanium alloy component stablizes heat treatment process method, comprises the steps:
1) titanium alloy component is cleaned with acetone,
2) titanium alloy component after cleaning is placed on the base of fixture and positions, and is depended on holding down assembly by the briquetting assembly of fixture
Secondary location is placed on titanium alloy component, uses the voussoir of fixture to holding down assembly, briquetting assembly, titanium alloy component and base enter
Compression joined by luggage,
3) fixture that will be equipped with titanium alloy component is put in vacuum heat treatment furnace, carries out evacuation,
4) after evacuation, vacuum heat treatment furnace is warming up to 300 degree, keeps 30 minutes after furnace temperature is stable,
5) it is warming up to 640-660 degree the most again, keeps 90 minutes after furnace temperature is stable,
6) carry out again after stove is cooled to 280-200 degree, opening vacuum heat treatment furnace, making the fixture air cooling of assembling titanium alloy component to room
Temperature,
7) titanium alloy component is taken out from fixture, obtain qualified titanium alloy component.
Described titanium alloy component is stablized in heat treatment process method, and the base of described fixture has shape face, and described shape face is with qualified
Titanium alloy component match, described titanium alloy component is placed on described shape face, and the periphery of described base is provided with lifting assembly.
Described titanium alloy component is stablized in heat treatment process method, and the periphery that holds down assembly of described fixture is provided with lifting bolt, pressure
Tight assembly is by crossbeam and the network structure of vertical beam staggered, the shape face that described network structure is constituted and qualified titanium alloy component
Match.
Described titanium alloy component stablizes heat treatment process method, and the material of described fixture is TA15 titanium alloy or rustless steel.
One titanium alloy component of the present invention is stablized heat treatment process method and is had the advantages that
The inventive method efficiently solves machined, chemistry milling, deposits after panel beating or welding processing in titanium alloy component
In the problem that residual stress and organizational structure are uneven, it is ensured that the physical dimension of titanium alloy component and the performance of product, meet titanium
The requirement that alloy part works under specific environment such as high temperature.Use special fixture clamping titanium alloy component in the methods of the invention,
Not only ensure that geometry and the dimensional accuracy of titanium alloy component, the also titanium alloy zero to the most formed not met required precision
Shape and the geometric parameter of part are modified, and improve the precision of titanium alloy component, make titanium alloy component meet drawing requirement.
Accompanying drawing explanation
Fig. 1 is the structural representation that a kind of titanium alloy component of the present invention stablizes in heat treatment process method with fixture assembling titanium alloy component
Figure.
Fig. 2 is the top view of Fig. 1.
Wherein, 1-holds down assembly, 2-base, 3-briquetting assembly, 4-voussoir, 5-lifting bolt, 6-titanium alloy component, and 7-lifts by crane
Assembly, 8-crossbeam, 9-vertical beam.
Detailed description of the invention
A kind of titanium alloy component stablizes heat treatment process method, comprises the steps:
1) titanium alloy component 6 is cleaned with acetone,
2) titanium alloy component 6 after cleaning is placed on the base 2 of fixture and positions, by briquetting assembly 3 and the compression of fixture
Assembly 1 positions successively and is placed on titanium alloy component 6, uses the voussoir 4 of fixture to holding down assembly 1, briquetting assembly 3, titanium close
Metal parts 6 and base 2 carry out assembling and compress,
3) fixture that will be equipped with titanium alloy component 6 is put in vacuum heat treatment furnace, carries out evacuation,
4) after evacuation, vacuum heat treatment furnace is warming up to 290-310 degree, keeps 30 minutes after furnace temperature is stable,
5) it is warming up to 650 degree the most again, keeps 90 minutes after furnace temperature is stable,
6) carry out again after stove is cooled to 280-200 degree, opening vacuum heat treatment furnace, making the fixture air cooling of assembling titanium alloy component 6 extremely
Room temperature,
7) titanium alloy component 6 is taken out from fixture, obtain qualified titanium alloy component 6.
As shown in Figure 1-2, the fixture in said method includes holding down assembly 1, base 2, briquetting assembly 3, voussoir 4, suspension ring spiral shell
Nail 5, titanium alloy component 6, lifts by crane assembly 7.Base 2 has the shape face placing titanium alloy component 6, this shape face and qualified titanium
Alloy part matches, and described titanium alloy component 6 is placed on shape face, and the periphery of base 2 is installed with four lifting assemblies 7, uses
In the mobile fixture having assembled titanium alloy component 6.Hold down assembly 1 periphery be provided with four lifting bolts 5, holding down assembly 1 is
By crossbeam 8 and the network structure of vertical beam 9 staggered, the shape face that this network structure is constituted matches with qualified titanium alloy component.
When titanium alloy component 6 is fitted into fixture, first titanium alloy component 6 is placed on the shape face of base 2, carries out the location of routine,
Briquetting assembly 3 is being placed on titanium alloy component by drawing, 1 is moving to briquetting being held down assembly by lifting bolt 5
On assembly 3 so that hold down assembly 1 crossbeam 8 compacting staggered with vertical beam 9 briquetting assembly, carry out conventional location to holding down assembly,
By voussoir 4 will hold down assembly 1 and titanium alloy component 6 be fixed on base 2, complete the fixture assembling to titanium alloy component.
Preferably, the material of fixture is TA15 titanium alloy or rustless steel.
Claims (4)
1. a titanium alloy component stablizes heat treatment process method, it is characterised in that comprise the steps:
1) titanium alloy component is cleaned with acetone,
2) titanium alloy component after cleaning is placed on the base of fixture and positions, and is depended on holding down assembly by the briquetting assembly of fixture
Secondary location is placed on titanium alloy component, uses the voussoir of fixture to holding down assembly, briquetting assembly, titanium alloy component and base enter
Compression joined by luggage, and the base of described fixture has shape face, and described shape face matches with titanium alloy component, and described titanium alloy component is put
On described shape face, holding down assembly is by crossbeam and the network structure of vertical beam staggered, the shape face that described network structure is constituted with
Titanium alloy component matches,
3) fixture that will be equipped with titanium alloy component is put in vacuum heat treatment furnace, carries out evacuation,
4) after evacuation, vacuum heat treatment furnace is warming up to 290-310 degree, keeps 30 minutes after furnace temperature is stable,
5) it is warming up to 640-660 degree the most again, keeps 90 minutes after furnace temperature is stable,
6) carry out again after stove is cooled to 280-200 degree, opening vacuum heat treatment furnace, making the fixture air cooling of assembling titanium alloy component to room
Temperature,
7) titanium alloy component is taken out from fixture.
Titanium alloy component the most according to claim 1 stablizes heat treatment process method, it is characterised in that the week of described base
While be provided with lifting assembly.
Titanium alloy component the most according to claim 2 stablizes heat treatment process method, it is characterised in that the pressure of described fixture
Tight assembly periphery is provided with lifting bolt.
4. stablize heat treatment process method according to the titanium alloy component one of claim 1-3 Suo Shu, it is characterised in that described folder
The material of tool is TA15 titanium alloy or rustless steel.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410258243.5A CN104004982B (en) | 2014-06-11 | 2014-06-11 | A kind of titanium alloy component stablizes heat treatment process method |
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| CN201410258243.5A CN104004982B (en) | 2014-06-11 | 2014-06-11 | A kind of titanium alloy component stablizes heat treatment process method |
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| CN104004982A CN104004982A (en) | 2014-08-27 |
| CN104004982B true CN104004982B (en) | 2016-09-21 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104388863A (en) * | 2014-11-28 | 2015-03-04 | 沈阳飞机工业（集团）有限公司 | Method for heat treatment of large-sized titanium alloy frame parts by virtue of special-shaped blocks |
| CN106381373A (en) * | 2016-11-25 | 2017-02-08 | 沈阳黎明航空发动机(集团)有限责任公司 | Correction method and device for plate type multilayered structure titanium alloy parts |
| CN107974653B (en) * | 2017-12-01 | 2019-05-21 | 中国航空工业标准件制造有限责任公司 | A kind of underproof optimization method of titanium-niobium alloy part annealing heat-treatment |
| CN108115003B (en) * | 2017-12-18 | 2019-07-09 | 中国航发贵州黎阳航空动力有限公司 | A kind of multilayer metal plate weldment refractory ceramics type face straightening method |
| CN110453165A (en) * | 2019-09-20 | 2019-11-15 | 宁波江丰电子材料股份有限公司 | Cobalt target blankss flatening method and fixture |
| CN114908240A (en) * | 2022-06-01 | 2022-08-16 | 沈阳飞机工业（集团）有限公司 | Heat treatment method of TC4 titanium alloy special-shaped structural part with closed angle area |
| CN115216611B (en) * | 2022-06-22 | 2023-10-31 | 沈阳飞机工业（集团）有限公司 | Stable heat treatment device for aircraft tail cover |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201245407Y (en) * | 2008-08-05 | 2009-05-27 | 沈阳飞机工业（集团）有限公司 | Rapid hoisting clamp for thin plate |
| CN202072732U (en) * | 2011-03-14 | 2011-12-14 | 沈阳飞机工业（集团）有限公司 | Detachable heat-treatment fixture |
| CN202072731U (en) * | 2011-03-14 | 2011-12-14 | 沈阳飞机工业（集团）有限公司 | Fixture for heat treatment of large-sized wallboards |
| CN103753099B (en) * | 2014-01-03 | 2016-04-20 | 西安航天动力机械厂 | A kind of device for thin-wall titanium alloy part hot school shape |
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Effective date of registration: 20201210 Address after: No.20, Shuangji street, Jilin economic and Technological Development Zone, Jilin City, Jilin Province, 132000 Patentee after: JILIN AVIATION MAINTENANCE LLC Address before: 110034 No. 1 Ling Bei street, Huanggu District, Liaoning, Shenyang Patentee before: SHENYANG AIRCRAFT Corp. |