CN104148896A - Manufacturing method of GH4169 high-temperature alloy semi-ring - Google Patents
Manufacturing method of GH4169 high-temperature alloy semi-ring Download PDFInfo
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- CN104148896A CN104148896A CN201410377784.XA CN201410377784A CN104148896A CN 104148896 A CN104148896 A CN 104148896A CN 201410377784 A CN201410377784 A CN 201410377784A CN 104148896 A CN104148896 A CN 104148896A
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- high temperature
- temperature alloy
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- 239000000956 alloy Substances 0.000 title claims abstract description 65
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 65
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- 238000005242 forging Methods 0.000 claims abstract description 46
- 238000000034 method Methods 0.000 claims abstract description 29
- 238000005520 cutting process Methods 0.000 claims abstract description 17
- 238000007514 turning Methods 0.000 claims abstract description 11
- 230000032683 aging Effects 0.000 claims abstract description 7
- 239000006104 solid solution Substances 0.000 claims description 12
- 238000009413 insulation Methods 0.000 claims description 9
- 238000005096 rolling process Methods 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 6
- 238000004080 punching Methods 0.000 claims description 6
- 230000035882 stress Effects 0.000 abstract description 12
- 238000003754 machining Methods 0.000 abstract description 7
- 239000000243 solution Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 2
- 230000002929 anti-fatigue Effects 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 235000006708 antioxidants Nutrition 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052729 chemical element Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The invention discloses a manufacturing method of a GH4169 high-temperature alloy semi-ring. The method includes: high-temperature alloy blank forging, solution treatment, rough turning, notching, aging, finish turning and cutting. The method has the advantages that forging stress is eliminated through solution treatment, machining stress is eliminated by forming one notch in the blank after rough turning, part structural stress during aging can be released due to the fact that aging is performed on the notched blank, notch stress release is facilitated by the finish turning with one notch, the second notch is cut after finish turning, and deformation of the high-temperature alloy semi-ring is controlled effectively.
Description
Technical field
The present invention relates to high temperature alloy part manufacturing process, be specifically related to a kind of GH4169 high temperature alloy semi-ring manufacture method.
Background technology
High temperature alloy has good antifatigue, radioresistance, anti-oxidant, decay resistance, and good processing characteristics, welding performance and long-term structure stability, can manufacture various complex-shaped parts, in Aero-Space, nuclear energy, petroleum industry, be widely used.
Generally, the manufacture of high temperature alloy semi-ring is processed by the process route of forging → solid solution → timeliness → rough turn → finish turning → cutting → combination processing, the shortcoming of this kind of processing method is: after the heat treatment of solid solution+timeliness, forging hardness is high, part following process efficiency is low, key is that after having caused part processing, stress is large, stress cannot discharge, thereby it is large to cause cutting later half annular strain, and the reasonable rate of product is low.
Summary of the invention
The invention provides a kind of GH4169 high temperature alloy semi-ring manufacture method, in solution prior art, high temperature alloy semi-ring working (machining) efficiency is low, machining stress discharges difficulty, the rear distortion of semi-ring cutting is difficult to the problems such as control.
For solving the problems of the technologies described above, the present invention is achieved by the following technical solutions:
A kind of GH4169 high temperature alloy semi-ring manufacture method, comprise successively GH4169 high temperature alloy blank forging, solid solution, rough turn, timeliness, finish turning, cutting step, wherein, between rough turn and timeliness step, also comprise the step of described GH4169 high temperature alloy forging blank being carried out to otch.
In described otch step, described GH4169 high temperature alloy forging blank kerf width is 0.2mm～0.3mm.
What described otch step was used is linear cutting equipment.
In described forging step, comprise successively jumping-up, punching, saddle support reaming, rolling four procedures.
In described jumping-up, punching, saddle support reaming operation, the temperature of described GH4169 high temperature alloy forging blank is 1060 ℃～1100 ℃.
Described GH4169 high temperature alloy forging blank rolling temperature is 1000 ℃～1020 ℃.
In described solid solution step, described GH4169 high temperature alloy forging blank solid solution temperature is 950 ℃～980 ℃, air cooling after insulation 3h.
In described rough turn step, the rough turn surplus of described GH4169 high temperature alloy forging blank is 2mm～3mm.
In described timeliness step, the aging temp of described GH4169 high temperature alloy forging blank is 720 ℃, insulation 8h, then furnace temperature is adjusted to 620 ℃, air cooling after insulation 8h.
In described cutting step, take the internal diameter of described GH4169 high temperature alloy forging blank and the center line of first otch is benchmark, cuts second otch.
Beneficial effect of the present invention: a kind of GH4169 high temperature alloy semi-ring manufacture method that the present invention proposes, broken through traditional thinking mode, optimized GH4169 high temperature alloy semi-ring technique, the technique of optimizing is: forging → solid solution → rough turn → otch → timeliness → finish turning → cutting, between rough turn and timeliness operation, GH4169 high temperature alloy forging blank has been carried out to otch processing, GH4169 high temperature alloy semi-ring manufacture method of the present invention, GH4169 high temperature alloy forging blank is by solution treatment, eliminated forging stress, after rough turn, cut single otch, eliminated machining stress, described forging blank carries out Ageing Treatment under otch state, part ag(e)ing process structural stress can be discharged, after timeliness, be with an otch to carry out fine finishining, otch contributes to Stress Release, after completing fine finishining, cut again second otch, half annular strain is effectively controlled.
Accompanying drawing explanation
Fig. 1 is flow chart of the present invention;
Fig. 2 is GH4169 high temperature alloy forging blanking blank drawing;
Fig. 3 is the blank drawing after GH4169 high temperature alloy forging process for fuel;
Fig. 4 is GH4169 high temperature alloy forging blank the first otch figure;
Fig. 5 is GH4169 high temperature alloy forging blank the second otch figure;
In figure, 1-blanking blank, 2-blank after forging, the 3-the first otch, the 4-the second otch, 5-half ring.
The specific embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with drawings and Examples of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Implement GH4169 high temperature alloy semi-ring manufacture method of the present invention the equipment such as forge furnace, forcing press, machine for rolling ring, manipulator, wire cutting machine, lathe need to be provided.
The main chemical elements content (percentage by weight) of this alloy is: C content 0.012%～0.036%, containing Cr amount 17.0%～19.0%, containing Al amount 0.35%～0.65%, ni content 52%～55%, containing Mo amount 2.8%～3.15%, containing Nb5.2%～5.55%, and containing Ti0.75%～1.15%, containing Fe amount 16%～19%, containing Mn amount≤0.35%, si content≤0.35%, P content≤0.015%, containing Ta amount≤0.1%, containing Co amount≤1%, containing B amount≤0.006%.
As shown in accompanying drawing 1 to Fig. 5, a kind of GH4169 high temperature alloy semi-ring manufacture method, comprise successively described GH4169 high temperature alloy blank forging, solid solution, rough turn, timeliness, finish turning, cutting step, wherein, between rough turn and timeliness step, also comprise the step of described GH4169 high temperature alloy forging blank 2 being carried out to otch.In described otch step, described GH4169 high temperature alloy forging blank 2 kerf widths are 0.2mm～0.3mm.What described otch step was used is linear cutting equipment.In described forging step, comprise successively jumping-up, punching, saddle support reaming, rolling four procedures.In described jumping-up, punching, saddle support reaming operation, the temperature of described GH4169 high temperature alloy forging blank 1 is 1060 ℃～1100 ℃.Described GH4169 high temperature alloy forging blank 2 rolling temperatures are 1000 ℃～1020 ℃.In described solid solution step, described GH4169 high temperature alloy forging blank 2 solid solution temperatures are 950 ℃～980 ℃, air cooling after insulation 3h.In described rough turn step, the rough turn surplus of described GH4169 high temperature alloy forging blank 2 is 3mm.In described timeliness step, the aging temp of described GH4169 high temperature alloy forging blank 2 is 720 ℃, insulation 8h, then furnace temperature is adjusted to 620 ℃, air cooling after insulation 8h.
In described cutting step, take the internal diameter of described GH4169 high temperature alloy forging blank and the center line of first otch 3 is benchmark, cuts second otch 4.
By cutting final acquisition GH4169 high temperature alloy semi-ring 5.
After testing, the mechanical property of the GH4169 high temperature alloy semi-ring obtaining: under room temperature, σ
b>=1240Mpa, σ
0.2>=1035 Mpa, δ
4>=12%, ψ>=12%, hardness>=331HB.650 ℃ of high temperature, σ
b>=965Mpa, σ
0.2>=860 Mpa, δ
4>=12%, ψ>=12%.
This half ring has formed batch production, through production practices checking, described GH4169 high temperature alloy forging blank 2 is carried out rough turn at soft state, has improved working (machining) efficiency; Described GH4169 high temperature alloy forging blank 2 is carried out to timeliness under otch state, guaranteed destressing effect; Finish turning after timeliness, because the existence of otch has guaranteed machining stress release, has controlled the deflection of semi-ring after cutting preferably, has improved semi-ring quality stability, has improved working (machining) efficiency.
Above embodiment only, in order to technical scheme of the present invention to be described, is not intended to limit; Although the present invention is had been described in detail with reference to aforementioned each embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record previous embodiment is modified, or some or all of technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the scope of embodiment of the present invention technical scheme.
Claims (10)
1. a GH4169 high temperature alloy semi-ring manufacture method, comprise successively high temperature alloy blank forging, solid solution, rough turn, timeliness, finish turning, cutting step, it is characterized in that, between rough turn and timeliness step, also comprise the step of described high temperature alloy forging blank being carried out to otch.
2. GH4169 high temperature alloy semi-ring manufacture method as claimed in claim 1, is characterized in that, in described otch step, described high temperature alloy forging blank kerf width is 0.2mm～0.3mm.
3. high temperature alloy semi-ring manufacture method as claimed in claim 1, is characterized in that, what described otch step was used is linear cutting equipment.
4. GH4169 high temperature alloy semi-ring manufacture method as claimed in claim 1, is characterized in that, in described forging step, comprises successively jumping-up, punching, saddle support reaming, rolling four procedures.
5. GH4169 high temperature alloy semi-ring manufacture method as claimed in claim 4, is characterized in that, in described jumping-up, punching, saddle support reaming operation, the temperature of described high temperature alloy forging blank is 1060 ℃～1100 ℃.
6. GH4169 high temperature alloy semi-ring manufacture method as claimed in claim 4, is characterized in that, described high temperature alloy forging blank rolling temperature is 1000 ℃～1020 ℃.
7. GH4169 high temperature alloy semi-ring manufacture method as claimed in claim 1, is characterized in that, in described solid solution step, described high temperature alloy forging blank solid solution temperature is 950 ℃～980 ℃, air cooling after insulation 3h.
8. GH4169 high temperature alloy semi-ring manufacture method as claimed in claim 1, is characterized in that, in described rough turn step, the rough turn surplus of described high temperature alloy forging blank is 2mm～3mm.
9. GH4169 high temperature alloy semi-ring manufacture method as claimed in claim 1, is characterized in that, in described timeliness step, the aging temp of described high temperature alloy forging blank is 720 ℃, insulation 8h, then furnace temperature is adjusted to 620 ℃, air cooling after insulation 8h.
10. GH4169 high temperature alloy semi-ring manufacture method as claimed in claim 1, is characterized in that, in described cutting step, take the internal diameter of described GH4169 high temperature alloy forging blank and the center line of first otch is benchmark, cuts second otch.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410377784.XA CN104148896A (en) | 2014-08-04 | 2014-08-04 | Manufacturing method of GH4169 high-temperature alloy semi-ring |
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| CN201410377784.XA CN104148896A (en) | 2014-08-04 | 2014-08-04 | Manufacturing method of GH4169 high-temperature alloy semi-ring |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104942537A (en) * | 2015-05-15 | 2015-09-30 | 洛阳沐阳矿山机械有限公司 | Manufacturing method for circular rail |
| CN107398687A (en) * | 2017-08-21 | 2017-11-28 | 广东长盈精密技术有限公司 | Method for processing back cover of electronic equipment and back cover of electronic equipment |
| CN108213289A (en) * | 2016-12-14 | 2018-06-29 | 贵州航宇科技发展股份有限公司 | A kind of production method of 410 material thin wall, half ring forging |
| CN108620820A (en) * | 2018-04-24 | 2018-10-09 | 哈尔滨汽轮机厂有限责任公司 | In a kind of steam turbine gas port sealing ring anti-deformation processing method is pressed into pressure outer shell |
| CN109482799A (en) * | 2018-12-13 | 2019-03-19 | 贵州航宇科技发展股份有限公司 | A kind of manufacturing method with flange GH4169 casing forging |
| CN110026739A (en) * | 2019-04-16 | 2019-07-19 | 贵州航天风华精密设备有限公司 | A kind of processing method of the aluminium alloy thin-walled discoid part of T4 |
| CN112276570A (en) * | 2020-10-23 | 2021-01-29 | 漳州市永良针纺机械有限公司 | Intelligent informatization production system of large circular knitting machine center group |
| CN113059099A (en) * | 2021-03-17 | 2021-07-02 | 无锡透平叶片有限公司 | Method for improving tensile strength and uniformity of high-temperature alloy and titanium alloy forged piece |
| CN113458724A (en) * | 2021-06-26 | 2021-10-01 | 成都凯迪精工科技有限责任公司 | Processing method of ultrahigh-strength steel high-aspect-ratio wind tunnel test model part |
| CN115786775A (en) * | 2022-12-16 | 2023-03-14 | 西北有色金属研究院 | Improved GH4169 gold strip for metal sealing ring and heat treatment process thereof |
| CN115922234A (en) * | 2022-11-01 | 2023-04-07 | 中国航发沈阳黎明航空发动机有限责任公司 | A Deformation Control Method for Aeroengine Forged Titanium Alloy Ring Segment Parts |
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| CN103521674A (en) * | 2013-09-26 | 2014-01-22 | 贵州航宇科技发展股份有限公司 | Method for manufacturing box shell of large special-shaped low-pressure turbine used for aircraft engine |
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| CN86106533A (en) * | 1985-10-30 | 1987-05-06 | 迪迪尔工厂股份公司 | Refractory wear gates for metal ladle sliding gates |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104942537B (en) * | 2015-05-15 | 2018-01-16 | 洛阳沐阳矿山机械有限公司 | The manufacture method of circular orbit |
| CN104942537A (en) * | 2015-05-15 | 2015-09-30 | 洛阳沐阳矿山机械有限公司 | Manufacturing method for circular rail |
| CN108213289B (en) * | 2016-12-14 | 2020-01-07 | 贵州航宇科技发展股份有限公司 | Manufacturing method of 410-material thin-wall semi-ring forging |
| CN108213289A (en) * | 2016-12-14 | 2018-06-29 | 贵州航宇科技发展股份有限公司 | A kind of production method of 410 material thin wall, half ring forging |
| CN107398687A (en) * | 2017-08-21 | 2017-11-28 | 广东长盈精密技术有限公司 | Method for processing back cover of electronic equipment and back cover of electronic equipment |
| CN108620820A (en) * | 2018-04-24 | 2018-10-09 | 哈尔滨汽轮机厂有限责任公司 | In a kind of steam turbine gas port sealing ring anti-deformation processing method is pressed into pressure outer shell |
| CN109482799A (en) * | 2018-12-13 | 2019-03-19 | 贵州航宇科技发展股份有限公司 | A kind of manufacturing method with flange GH4169 casing forging |
| CN110026739A (en) * | 2019-04-16 | 2019-07-19 | 贵州航天风华精密设备有限公司 | A kind of processing method of the aluminium alloy thin-walled discoid part of T4 |
| CN112276570A (en) * | 2020-10-23 | 2021-01-29 | 漳州市永良针纺机械有限公司 | Intelligent informatization production system of large circular knitting machine center group |
| CN113059099A (en) * | 2021-03-17 | 2021-07-02 | 无锡透平叶片有限公司 | Method for improving tensile strength and uniformity of high-temperature alloy and titanium alloy forged piece |
| CN113458724A (en) * | 2021-06-26 | 2021-10-01 | 成都凯迪精工科技有限责任公司 | Processing method of ultrahigh-strength steel high-aspect-ratio wind tunnel test model part |
| CN115922234A (en) * | 2022-11-01 | 2023-04-07 | 中国航发沈阳黎明航空发动机有限责任公司 | A Deformation Control Method for Aeroengine Forged Titanium Alloy Ring Segment Parts |
| CN115786775A (en) * | 2022-12-16 | 2023-03-14 | 西北有色金属研究院 | Improved GH4169 gold strip for metal sealing ring and heat treatment process thereof |
| CN115786775B (en) * | 2022-12-16 | 2024-04-09 | 西北有色金属研究院 | Improved GH4169 Jin Daicai for metal seal ring and heat treatment process thereof |
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