CN105385969A - Thermal treatment process for thin-wall aluminum alloy component - Google Patents
Thermal treatment process for thin-wall aluminum alloy component Download PDFInfo
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- CN105385969A CN105385969A CN201510977014.3A CN201510977014A CN105385969A CN 105385969 A CN105385969 A CN 105385969A CN 201510977014 A CN201510977014 A CN 201510977014A CN 105385969 A CN105385969 A CN 105385969A
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- thermal treatment
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
Abstract
The invention provides a thermal treatment process for a thin-wall aluminum alloy component. The thermal treatment process comprises the following steps: a) carrying out solid solution treatment and ageing high-temperature thermal treatment before component processing; b) carrying out ageing thermal treatment after component rough processing; c) carrying out crystallization ageing thermal treatment after component semifinishing; and d) carrying out positive-negative-temperature circulating thermal treatment after component finishing. The invention discloses the thermal treatment process for the thin-wall aluminum alloy component. The thermal treatment process effectively solves the stress deformation problem of thin-wall aluminum alloy component cutting processing, not only stabilizes the processing dimension, but also guarantees that component dimension tolerance and component geometric tolerance reach technical requirements.
Description
Technical field
The present invention relates to a kind of thermal treatment process, be specifically related to a kind of thermal treatment process of thin-wall aluminum-alloy part, belong to Machining Technology field.
Background technology
In mechanical workout, the processing of thin-wall aluminum-alloy part is comparatively common.But thin-wall aluminum-alloy part adds and there is more difficulty man-hour, and main manifestations is: high temperature undertissue easily produces fission, under high temperature, high pressure, easily produces glutinous cutter phenomenon during cutting, form built-up edge; Yielding during machining, affect tolerance of dimension and the geometric tolerances of part; After cutting, unrelieved stress is large, cause size and form and position tolerance overproof, make part rejection; Poor dimensional stability, part is under variation of ambient temperature, and the unrelieved stress that material is retained will discharge, and causes part deformation, greatly have impact on working accuracy and the work reliability of part.
At present, in the processing of thin-wall aluminum-alloy part, the simple method of mechanical workout that adopts is difficult to eliminate machining stress, therefore needs the stress deformation eliminating part by thermal treatment process.But, conventional thermal treatment process, there is many unreasonable parts due in, thermal treatment number of times regulation selected in heat treatment step arrangement, heat-treat condition etc., often be difficult to reach and eliminate part machining deformation, stablize the object of finish size, accessory size tolerance and geometric tolerances can not be made to reach technical requirements.
Summary of the invention
For the demand, the invention provides a kind of thermal treatment process of thin-wall aluminum-alloy part, this thermal treatment process efficiently solves the stress deformation problem of thin-wall aluminum-alloy part machining, not only stable for finish size, and ensure that accessory size tolerance and geometric tolerances reach technical requirements.
The present invention is a kind of thermal treatment process of thin-wall aluminum-alloy part, described thermal treatment process comprises the steps: a) the front solid solution of part processing and timeliness high-temperature heat treatment, b) aging strengthening model after part roughing, c) recrystallize aging strengthening model after part semi-finishing, d) positive subzero temperature cycle heat treatment after Finishing Parts Machining.
In a preferred embodiment of the present invention, in described step a), before part processing, solid solution and timeliness high-temperature heat treatment condition are: thermal treatment temp 460 ~ 480 DEG C, heat treatment time 80 ~ 100min.
In a preferred embodiment of the present invention, in described step b), after part roughing, aging strengthening model condition is: thermal treatment temp 170 ~ 190 DEG C, heat treatment time 6 ~ 8h.
In a preferred embodiment of the present invention, in described step c), after part semi-finishing, recrystallize aging strengthening model condition is: thermal treatment temp 150 ~ 170 DEG C, heat treatment time 4 ~ 6h.
In a preferred embodiment of the present invention, in described step d), after Finishing Parts Machining, positive subzero temperature cycle heat treatment comprises just warm process under continuous three similarity conditions and subzero temperature thermal treatment.
In a preferred embodiment of the present invention, in described step d), just warm treatment condition are: thermal treatment temp 150 ~ 170 DEG C, heat treatment time 2 ~ 4h.
In a preferred embodiment of the present invention, in described step d), subzero temperature heat-treat condition is: thermal treatment temp-185 ~-195 DEG C, heat treatment time 1 ~ 3h.
Present invention is disclosed a kind of thermal treatment process of thin-wall aluminum-alloy part, this thermal treatment process efficiently solves the stress deformation problem of thin-wall aluminum-alloy part machining, not only stable for finish size, and ensure that accessory size tolerance and geometric tolerances reach technical requirements.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation:
Fig. 1 is the process figure of embodiment of the present invention thin-wall aluminum-alloy part thermal treatment process.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present invention is described in detail, can be easier to make advantages and features of the invention be readily appreciated by one skilled in the art, thus more explicit defining is made to protection scope of the present invention.
Fig. 1 is the process figure of embodiment of the present invention thin-wall aluminum-alloy part thermal treatment process; This thermal treatment process comprises the steps: a) the front solid solution of part processing and timeliness high-temperature heat treatment, b) aging strengthening model after part roughing, c) recrystallize aging strengthening model after part semi-finishing, d) positive subzero temperature cycle heat treatment after Finishing Parts Machining.
Embodiment 1
Concrete treatment process is as follows:
A) solid solution and timeliness high-temperature heat treatment before part processing, adopt 460 DEG C, solid solution+the aging strengthening model of 100min, close grain is caused by discontinuous recrystallize, and change grain morphology and the distribution of composition phase matter, reach improve hyphen to plasticity and the object of toughness, thus improve the machinability of aluminum alloy part material structure.
B) aging strengthening model after part roughing, because the process redundancy in the part roughing stage is large, tool wear is fast, and now the machining stress of part is maximum, tissue is unstable, therefore, after large chipping allowance is removed in part roughing, carry out the 2nd time 170 DEG C, the aging strengthening model of 8h, to eliminate machining stress, increase cutting-tool's used life, improve piece surface processing quality.
C) recrystallize aging strengthening model after part semi-finishing, carry out after semi-finishing the 3rd time 150 DEG C, the recrystallize aging strengthening model of 6h, the machining stress of further elimination part, ensure that processing parts internal stress is discharged completely, thus the manufacturability obtained, stablize finish size.
D) positive subzero temperature cycle heat treatment after Finishing Parts Machining, after Finishing Parts Machining completes, inside and outside shape tolerance of dimension and geometric tolerances all reach technical requirements, but in order to the finish size after stable precision work, carry out three positive and negative temperature cycle heat treatment continuously.First, heating installation is adopted to carry out 150 DEG C to part, the just warm process of 4h, again part is taken out cooling fast, then adopt subzero temperature treatment facility to carry out-185 DEG C to cooled part, the subzero temperature thermal treatment of 3h, afterwards part is taken out fast, load the heating installation of just warm process, and just warm process under again carrying out the same terms, subzero temperature thermal treatment, carry out the just warm process under third time the same terms, subzero temperature thermal treatment subsequently.
Embodiment 2
Concrete treatment process is as follows:
A) solid solution and timeliness high-temperature heat treatment before part processing, adopt 470 DEG C, solid solution+the aging strengthening model of 90min, close grain is caused by discontinuous recrystallize, and change grain morphology and the distribution of composition phase matter, reach improve hyphen to plasticity and the object of toughness, thus improve the machinability of aluminum alloy part material structure.
B) aging strengthening model after part roughing, because the process redundancy in the part roughing stage is large, tool wear is fast, and now the machining stress of part is maximum, tissue is unstable, therefore, after large chipping allowance is removed in part roughing, carry out the 2nd time 180 DEG C, the aging strengthening model of 7h, to eliminate machining stress, increase cutting-tool's used life, improve piece surface processing quality.
C) recrystallize aging strengthening model after part semi-finishing, carry out after semi-finishing the 3rd time 160 DEG C, the recrystallize aging strengthening model of 5h, the machining stress of further elimination part, ensure that processing parts internal stress is discharged completely, thus the manufacturability obtained, stablize finish size.
D) positive subzero temperature cycle heat treatment after Finishing Parts Machining, after Finishing Parts Machining completes, inside and outside shape tolerance of dimension and geometric tolerances all reach technical requirements, but in order to the finish size after stable precision work, carry out three positive and negative temperature cycle heat treatment continuously.First, heating installation is adopted to carry out 160 DEG C to part, the just warm process of 3h, again part is taken out cooling fast, then adopt subzero temperature treatment facility to carry out-190 DEG C to cooled part, the subzero temperature thermal treatment of 2h, afterwards part is taken out fast, load the heating installation of just warm process, and just warm process under again carrying out the same terms, subzero temperature thermal treatment, carry out the just warm process under third time the same terms, subzero temperature thermal treatment subsequently.
Embodiment 3
Concrete treatment process is as follows:
A) solid solution and timeliness high-temperature heat treatment before part processing, adopt 480 DEG C, solid solution+the aging strengthening model of 80min, close grain is caused by discontinuous recrystallize, and change grain morphology and the distribution of composition phase matter, reach improve hyphen to plasticity and the object of toughness, thus improve the machinability of aluminum alloy part material structure.
B) aging strengthening model after part roughing, because the process redundancy in the part roughing stage is large, tool wear is fast, and now the machining stress of part is maximum, tissue is unstable, therefore, after large chipping allowance is removed in part roughing, carry out the 2nd time 190 DEG C, the aging strengthening model of 6h, to eliminate machining stress, increase cutting-tool's used life, improve piece surface processing quality.
C) recrystallize aging strengthening model after part semi-finishing, carry out after semi-finishing the 3rd time 170 DEG C, the recrystallize aging strengthening model of 4h, the machining stress of further elimination part, ensure that processing parts internal stress is discharged completely, thus the manufacturability obtained, stablize finish size.
D) positive subzero temperature cycle heat treatment after Finishing Parts Machining, after Finishing Parts Machining completes, inside and outside shape tolerance of dimension and geometric tolerances all reach technical requirements, but in order to the finish size after stable precision work, carry out three positive and negative temperature cycle heat treatment continuously.First, heating installation is adopted to carry out 170 DEG C to part, the just warm process of 2h, again part is taken out cooling fast, then adopt subzero temperature treatment facility to carry out-195 DEG C to cooled part, the subzero temperature thermal treatment of 1h, afterwards part is taken out fast, load the heating installation of just warm process, and just warm process under again carrying out the same terms, subzero temperature thermal treatment, carry out the just warm process under third time the same terms, subzero temperature thermal treatment subsequently.
Present invention is disclosed a kind of thermal treatment process of thin-wall aluminum-alloy part, this thermal treatment process efficiently solves the stress deformation problem of thin-wall aluminum-alloy part machining, not only stable for finish size, and ensure that accessory size tolerance and geometric tolerances reach technical requirements.
The above; be only the specific embodiment of the present invention; but protection scope of the present invention is not limited thereto; any those of ordinary skill in the art are in the technical scope disclosed by the present invention; the change can expected without creative work or replacement, all should be encompassed within protection scope of the present invention.Therefore, the protection domain that protection scope of the present invention should limit with claims is as the criterion.
Claims (7)
1. the thermal treatment process of a thin-wall aluminum-alloy part, it is characterized in that, described thermal treatment process comprises the steps: a) the front solid solution of part processing and timeliness high-temperature heat treatment, b) aging strengthening model after part roughing, c) recrystallize aging strengthening model after part semi-finishing, d) positive subzero temperature cycle heat treatment after Finishing Parts Machining.
2. the thermal treatment process of thin-wall aluminum-alloy part according to claim 1, is characterized in that, in described step a), before part processing, solid solution and timeliness high-temperature heat treatment condition are: thermal treatment temp 460 ~ 480 DEG C, heat treatment time 80 ~ 100min.
3. the thermal treatment process of thin-wall aluminum-alloy part according to claim 1, is characterized in that, in described step b), after part roughing, aging strengthening model condition is: thermal treatment temp 170 ~ 190 DEG C, heat treatment time 6 ~ 8h.
4. the thermal treatment process of thin-wall aluminum-alloy part according to claim 1, is characterized in that, in described step c), after part semi-finishing, recrystallize aging strengthening model condition is: thermal treatment temp 150 ~ 170 DEG C, heat treatment time 4 ~ 6h.
5. the thermal treatment process of thin-wall aluminum-alloy part according to claim 1, is characterized in that, in described step d), after Finishing Parts Machining, positive subzero temperature cycle heat treatment comprises just warm process under continuous three similarity conditions and subzero temperature thermal treatment.
6. the thermal treatment process of thin-wall aluminum-alloy part according to claim 1, is characterized in that, in described step d), just warm treatment condition are: thermal treatment temp 150 ~ 170 DEG C, heat treatment time 2 ~ 4h.
7. the thermal treatment process of thin-wall aluminum-alloy part according to claim 1, is characterized in that, in described step d), subzero temperature heat-treat condition is: thermal treatment temp-185 ~-195 DEG C, heat treatment time 1 ~ 3h.
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| CN201510977014.3A CN105385969A (en) | 2015-12-23 | 2015-12-23 | Thermal treatment process for thin-wall aluminum alloy component |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104404232A (en) * | 2014-11-25 | 2015-03-11 | 北京航星机器制造有限公司 | Method for controlling deformation of snap-ring parts through heat treatment |
| CN107099761A (en) * | 2017-06-12 | 2017-08-29 | 合肥铭佑高温技术有限公司 | A kind of heat treatment method of thin-wall aluminum-alloy part |
| CN107138916A (en) * | 2017-04-20 | 2017-09-08 | 西安北方光电科技防务有限公司 | A kind of method for improving the Thin-wall Aluminum Parts machining accuracy for gyro gimbal |
| CN110421315A (en) * | 2018-11-14 | 2019-11-08 | 西安成立航空制造有限公司 | A kind of processing technology of al alloy disk class multi-cavity road high-precision part |
| 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 |
| CN111805177A (en) * | 2020-07-06 | 2020-10-23 | 宁波市利宏航天科技有限公司 | Processing method of integrated circular thin-walled tube |
| CN112139412A (en) * | 2020-08-19 | 2020-12-29 | 江西昌河航空工业有限公司 | Deformation-preventing machining method for multi-dimensional form and position tolerance heat treatment aluminum alloy forge piece |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6369954A (en) * | 1986-09-11 | 1988-03-30 | Kobe Steel Ltd | Stretcher leveling method for high-tensile aluminum alloy plate |
| CN101386968A (en) * | 2008-09-19 | 2009-03-18 | 中国兵器工业第五九研究所 | Aluminium alloy element processing method after heat treatment |
| CN104862626A (en) * | 2015-05-06 | 2015-08-26 | 江苏科技大学 | Thermal-cold cycling treatment method for high-speed train body structure material |
-
2015
- 2015-12-23 CN CN201510977014.3A patent/CN105385969A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6369954A (en) * | 1986-09-11 | 1988-03-30 | Kobe Steel Ltd | Stretcher leveling method for high-tensile aluminum alloy plate |
| CN101386968A (en) * | 2008-09-19 | 2009-03-18 | 中国兵器工业第五九研究所 | Aluminium alloy element processing method after heat treatment |
| CN104862626A (en) * | 2015-05-06 | 2015-08-26 | 江苏科技大学 | Thermal-cold cycling treatment method for high-speed train body structure material |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104404232A (en) * | 2014-11-25 | 2015-03-11 | 北京航星机器制造有限公司 | Method for controlling deformation of snap-ring parts through heat treatment |
| CN104404232B (en) * | 2014-11-25 | 2018-06-19 | 北京航星机器制造有限公司 | A kind of card ring parts method for controlling heat treatment deformation |
| CN107138916A (en) * | 2017-04-20 | 2017-09-08 | 西安北方光电科技防务有限公司 | A kind of method for improving the Thin-wall Aluminum Parts machining accuracy for gyro gimbal |
| CN107138916B (en) * | 2017-04-20 | 2019-04-26 | 西安北方光电科技防务有限公司 | A method of improving the Thin-wall Aluminum Parts machining accuracy for being used for gyro gimbal |
| CN107099761A (en) * | 2017-06-12 | 2017-08-29 | 合肥铭佑高温技术有限公司 | A kind of heat treatment method of thin-wall aluminum-alloy part |
| CN110421315A (en) * | 2018-11-14 | 2019-11-08 | 西安成立航空制造有限公司 | A kind of processing technology of al alloy disk class multi-cavity road high-precision part |
| 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 |
| CN111805177A (en) * | 2020-07-06 | 2020-10-23 | 宁波市利宏航天科技有限公司 | Processing method of integrated circular thin-walled tube |
| CN112139412A (en) * | 2020-08-19 | 2020-12-29 | 江西昌河航空工业有限公司 | Deformation-preventing machining method for multi-dimensional form and position tolerance heat treatment aluminum alloy forge piece |
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