CN106148863A - Cast aluminium alloy gold circular thin-wall structural member stress relieving and dimensionally stable method - Google Patents
Cast aluminium alloy gold circular thin-wall structural member stress relieving and dimensionally stable method Download PDFInfo
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- CN106148863A CN106148863A CN201510184165.3A CN201510184165A CN106148863A CN 106148863 A CN106148863 A CN 106148863A CN 201510184165 A CN201510184165 A CN 201510184165A CN 106148863 A CN106148863 A CN 106148863A
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Abstract
The present invention relates to circular thin-wall structural member Deformation control, stress relieving technical field, specifically disclose a kind of Cast aluminium alloy gold circular thin-wall structural member stress relieving and dimensionally stable method.The method specifically includes: 1, Cast aluminium alloy gold circular thin-wall structural member；2, utilize oscillation time-effect method and use cold cycling treatment, the circular thin-wall structural member after roughing is carried out stress relieving；3, the circular thin-wall structural member processed step 2 is processed to semifinishing state；4, semifinishing circular thin-wall structural member is carried out stress relief treatment, it is thus achieved that high-precision circular thin-wall structural member.A kind of Cast aluminium alloy gold circular thin-wall structural member stress relieving of the present invention and dimensionally stable method, can effectively eliminate stress, and residual stress averagely declines 30%, and the circularity of product is obviously improved.
Description
Technical field
The invention belongs to circular thin-wall structural member Deformation control, stress relieving technical field, be specifically related to one
Cast aluminium alloy gold circular thin-wall structural member stress relieving and dimensionally stable method.
Background technology
At present, certain type circular thin-wall structure integral casting forming, processing precision of products requires the highest, after processing
Often there is circularity over tolerance in product, causes product rejection problem.
Summary of the invention
It is an object of the invention to provide a kind of Cast aluminium alloy gold circular thin-wall structural member stress relieving steady with size
Determine method, high strength cast aluminum alloys circular thin-wall structural member can be solved in the course of processing owing to remnants should
The overproof problem of deformation that the release of power causes.
Technical scheme is as follows: a kind of Cast aluminium alloy gold circular thin-wall structural member stress relieving and size
Antihunt means, the method specifically includes following steps:
Step 1, Cast aluminium alloy gold circular thin-wall structural member；
Step 2, the circular thin-wall structural member product after roughing is carried out stress relief treatment；
Step 2.1, utilize oscillation time-effect method, the circular thin-wall structural member after roughing is carried out stress relieving；
Step 2.2, employing cold cycling treatment, carry out stress relieving to the circular thin-wall structural member after roughing；
Step 3, the circular thin-wall structural member processing step 2 are processed to semifinishing state；
Step 4, semifinishing circular thin-wall structural member is carried out stress relief treatment, it is thus achieved that high-precision thin-walled
Annular structural part.
Described step 2.1 utilizes oscillation time-effect method, carry out the method for stress relieving particularly as follows:
Circular thin-wall structural member is hung, and on circular thin-wall structural member, loads vibrator, utilize and swash
The excited frequency that the device that shakes produces so that it is be effectively distributed in the various piece of circular thin-wall structural member, thus from shaking
Dynamic timeliness aspect reaches the optimal effectiveness of residual stress.
Described step 2.2 utilizes cold cycling treatment, carries out the method for stress relieving particularly as follows: utilize deep
Black furnace, is cooled to-80 DEG C of insulation 1h by circular thin-wall structural member, is cooled to-180 DEG C of insulation 2h, is warming up to 20 DEG C
Insulation 1h, is warming up to 130 DEG C of insulation 2h, repeats a circulation.
Described step 1 specifically includes: the aluminium alloy thin-walled annular structural part of casting large-scale as requested, should
Circular thin-wall structural member is machined to rough turn condition, and ensures the surplus of Product processing extremely monolateral reserved 3mm.
Semifinishing circular thin-wall structural member is carried out method and the step of stress relief treatment by described step 4
In rapid 2, the method for stress relieving is identical.
The remarkable result of the present invention is: a kind of Cast aluminium alloy gold circular thin-wall structural member of the present invention should
Power eliminates and dimensionally stable method, can effectively eliminate stress, and residual stress averagely declines 30%, product
Circularity is obviously improved.
Detailed description of the invention
A kind of Cast aluminium alloy gold circular thin-wall structural member stress relieving and dimensionally stable method, the method is specifically wrapped
Include following steps:
Step 1, Cast aluminium alloy gold circular thin-wall structural member；
The aluminium alloy thin-walled annular structural part of casting large-scale as requested, is machined to this circular thin-wall structural member slightly
Machining state, and ensure the surplus of Product processing extremely monolateral reserved 3mm；
Step 2, the circular thin-wall structural member product after roughing is carried out stress relief treatment；
Step 2.1, utilize oscillation time-effect method, the circular thin-wall structural member after roughing is carried out stress relieving；
Circular thin-wall structural member is hung, and on circular thin-wall structural member, loads vibrator, utilize and swash
The excited frequency that the device that shakes produces so that it is be effectively distributed in the various piece of circular thin-wall structural member, thus from shaking
Dynamic timeliness aspect reaches the optimal effectiveness of residual stress；
Step 2.2, employing cold cycling treatment, carry out stress relieving to the circular thin-wall structural member after roughing；
Utilize deep cooling stove, circular thin-wall structural member be cooled to-80 DEG C of insulation 1h, be cooled to-180 DEG C of insulation 2h,
It is warming up to 20 DEG C of insulation 1h, is warming up to 130 DEG C of insulation 2h, repeats a circulation；
Step 3, the circular thin-wall structural member processing step 2 are processed to semifinishing state；
The circular thin-wall structural member that step 2 processes acquisition stress relaxation proceeds to be machined to semifinishing shape
State；
Step 4, semifinishing circular thin-wall structural member is carried out stress relief treatment, it is thus achieved that high-precision thin-walled
Annular structural part；
Utilize the stress relief treatment method in step 2, semifinishing circular thin-wall structural member is carried out stress
Processing for removing, it is thus achieved that high-precision circular thin-wall structural member.
Claims (5)
1. a Cast aluminium alloy gold circular thin-wall structural member stress relieving and dimensionally stable method, it is characterised in that:
The method specifically includes following steps:
Step 1, Cast aluminium alloy gold circular thin-wall structural member；
Step 2, the circular thin-wall structural member product after roughing is carried out stress relief treatment；
Step 2.1, utilize oscillation time-effect method, the circular thin-wall structural member after roughing is carried out stress relieving；
Step 2.2, employing cold cycling treatment, carry out stress relieving to the circular thin-wall structural member after roughing；
Step 3, the circular thin-wall structural member processing step 2 are processed to semifinishing state；
Step 4, semifinishing circular thin-wall structural member is carried out stress relief treatment, it is thus achieved that high-precision thin-walled
Annular structural part.
A kind of Cast aluminium alloy gold circular thin-wall structural member stress relieving the most according to claim 1 and size
Antihunt means, it is characterised in that: described step 2.1 utilizes oscillation time-effect method, carries out stress relieving
Method particularly as follows:
Circular thin-wall structural member is hung, and on circular thin-wall structural member, loads vibrator, utilize and swash
The excited frequency that the device that shakes produces so that it is be effectively distributed in the various piece of circular thin-wall structural member, thus from shaking
Dynamic timeliness aspect reaches the optimal effectiveness of residual stress.
A kind of Cast aluminium alloy gold circular thin-wall structural member stress relieving the most according to claim 1 and size
Antihunt means, it is characterised in that: described step 2.2 utilizes cold cycling treatment, carries out stress relieving
Circular thin-wall structural member, particularly as follows: utilize deep cooling stove, is cooled to-80 DEG C of insulation 1h, is cooled to-180 DEG C by method
Insulation 2h, is warming up to 20 DEG C of insulation 1h, is warming up to 130 DEG C of insulation 2h, repeats a circulation.
A kind of Cast aluminium alloy gold circular thin-wall structural member stress relieving the most according to claim 1 and size
Antihunt means, it is characterised in that: described step 1 specifically includes: casting large-scale aluminum alloy thin as requested
Wall circular structural member, is machined to this circular thin-wall structural member rough turn condition, and ensures that Product processing is to list
While reserve the surplus of 3mm.
A kind of Cast aluminium alloy gold circular thin-wall structural member stress relieving the most according to claim 1 and size
Antihunt means, it is characterised in that: described step 4 carries out stress to semifinishing circular thin-wall structural member
The method of Processing for removing is identical with the method for stress relieving in step 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510184165.3A CN106148863B (en) | 2015-04-17 | 2015-04-17 | Cast aluminium alloy gold circular thin-wall structural member stress elimination and dimensionally stable method |
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| CN201510184165.3A CN106148863B (en) | 2015-04-17 | 2015-04-17 | Cast aluminium alloy gold circular thin-wall structural member stress elimination and dimensionally stable method |
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| CN106148863A true CN106148863A (en) | 2016-11-23 |
| CN106148863B CN106148863B (en) | 2018-02-13 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107686883A (en) * | 2017-07-28 | 2018-02-13 | 北京空间机电研究所 | A kind of method for space camera structure stabilization |
| CN108220851A (en) * | 2018-01-23 | 2018-06-29 | 洛阳乾中新材料科技有限公司 | A kind of hardware and its processing method |
| CN108531836A (en) * | 2018-05-09 | 2018-09-14 | 湖南人文科技学院 | A kind of heat treatment technics preparing the low residual stress aluminium alloy of high-performance |
| CN109161744A (en) * | 2018-10-12 | 2019-01-08 | 中南大学 | A kind of aluminium alloy pipe and preparation method thereof of superhigh intensity low stress |
| CN110643912A (en) * | 2019-10-30 | 2020-01-03 | 北京航空航天大学 | Vibration heat treatment process method for hot-rolled aluminum alloy ring piece |
| CN110656235A (en) * | 2019-10-26 | 2020-01-07 | 贵州航天风华精密设备有限公司 | Vibration aging method for magnesium alloy thin-wall cylindrical casting |
| CN110846494A (en) * | 2019-12-20 | 2020-02-28 | 北京理工大学 | Vibration aging clamping device |
| CN111069861A (en) * | 2019-12-31 | 2020-04-28 | 湖北三江航天红阳机电有限公司 | Method for processing U-like thin and long thin-wall cast titanium alloy structural member |
| CN111230014A (en) * | 2018-11-29 | 2020-06-05 | 有研工程技术研究院有限公司 | Preparation and processing method of high-strength and low-stress magnesium alloy forging |
| CN112708916A (en) * | 2020-12-07 | 2021-04-27 | 上海航天设备制造总厂有限公司 | Method for improving surface quality of super-hard aluminum alloy part after sulfuric acid anodization |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107686883A (en) * | 2017-07-28 | 2018-02-13 | 北京空间机电研究所 | A kind of method for space camera structure stabilization |
| CN108220851A (en) * | 2018-01-23 | 2018-06-29 | 洛阳乾中新材料科技有限公司 | A kind of hardware and its processing method |
| CN108220851B (en) * | 2018-01-23 | 2019-08-27 | 洛阳乾中新材料科技有限公司 | A kind of hardware and its processing method |
| CN108531836A (en) * | 2018-05-09 | 2018-09-14 | 湖南人文科技学院 | A kind of heat treatment technics preparing the low residual stress aluminium alloy of high-performance |
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| CN109161744A (en) * | 2018-10-12 | 2019-01-08 | 中南大学 | A kind of aluminium alloy pipe and preparation method thereof of superhigh intensity low stress |
| CN111230014A (en) * | 2018-11-29 | 2020-06-05 | 有研工程技术研究院有限公司 | Preparation and processing method of high-strength and low-stress magnesium alloy forging |
| CN110656235A (en) * | 2019-10-26 | 2020-01-07 | 贵州航天风华精密设备有限公司 | Vibration aging method for magnesium alloy thin-wall cylindrical casting |
| CN110643912A (en) * | 2019-10-30 | 2020-01-03 | 北京航空航天大学 | Vibration heat treatment process method for hot-rolled aluminum alloy ring piece |
| CN110846494A (en) * | 2019-12-20 | 2020-02-28 | 北京理工大学 | Vibration aging clamping device |
| CN111069861A (en) * | 2019-12-31 | 2020-04-28 | 湖北三江航天红阳机电有限公司 | Method for processing U-like thin and long thin-wall cast titanium alloy structural member |
| CN111069861B (en) * | 2019-12-31 | 2021-05-18 | 湖北三江航天红阳机电有限公司 | Method for processing U-like thin and long thin-wall cast titanium alloy structural member |
| CN112708916A (en) * | 2020-12-07 | 2021-04-27 | 上海航天设备制造总厂有限公司 | Method for improving surface quality of super-hard aluminum alloy part after sulfuric acid anodization |
| CN112708916B (en) * | 2020-12-07 | 2021-12-28 | 上海航天设备制造总厂有限公司 | Method for improving surface quality of super-hard aluminum alloy part after sulfuric acid anodization |
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| CN106148863B (en) | 2018-02-13 |
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