CN104259749A - Method for manufacturing GH3128 square mounting side for aircraft engine - Google Patents
Method for manufacturing GH3128 square mounting side for aircraft engine Download PDFInfo
- Publication number
- CN104259749A CN104259749A CN201410378258.5A CN201410378258A CN104259749A CN 104259749 A CN104259749 A CN 104259749A CN 201410378258 A CN201410378258 A CN 201410378258A CN 104259749 A CN104259749 A CN 104259749A
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- CN
- China
- Prior art keywords
- rolling
- ring base
- square
- blank
- heating
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- 238000005096 rolling process Methods 0.000 claims abstract description 30
- 238000005242 forging Methods 0.000 claims abstract description 17
- 238000004080 punching Methods 0.000 claims abstract description 12
- 238000010438 heat treatment Methods 0.000 claims abstract description 10
- 238000003303 reheating Methods 0.000 claims description 7
- 229910045601 alloy Inorganic materials 0.000 claims description 6
- 239000000956 alloy Substances 0.000 claims description 6
- 238000001125 extrusion Methods 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000003754 machining Methods 0.000 abstract description 2
- 238000005520 cutting process Methods 0.000 abstract 1
- 238000007599 discharging Methods 0.000 abstract 1
- 239000002994 raw material Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000012797 qualification Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 229910000521 B alloy Inorganic materials 0.000 description 1
- 229910052684 Cerium Inorganic materials 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 1
- 229910052729 chemical element Inorganic materials 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Classifications
-
- 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
Abstract
The invention discloses a method for manufacturing a GH3128 square mounting side for an aircraft engine. The method comprises the steps of discharging, heating, tampering, hole punching, rolling and the like. A compacting technology is adopted to extrude a ring blank obtained after rolling into a square billet, and the square side is finally formed by adopting a mandrel supporter and a square saddle. The method has the beneficial effects that the manufactured blank is rolled and then bent, the wall thickness is even, material separating is accurate, it is ensured that the wall thickness is even after a forge piece is formed, the design allowance is reduced, and raw materials are saved; compared with the free forging technology, the production efficiency of the rolling technology is obviously improved; after the forge piece is formed, due to the small machining allowance, assembly line cutting off is reduced, and the integrality of the forge piece is improved; when the forge piece is used for manufacturing the blank, the wall thickness is even, material separating is accurate, and therefore in the forming process, the shape is regular, and the size conformity is good.
Description
Technical field
The present invention relates to the manufacture method of the square mounting edge of a kind of aero-engine GH3128.
Background technology
GH3128 is also with the nickel-base alloy of boron, cerium, zirconium strengthening crystal boundary with tungsten, molybdenum solution strengthening, there is high plasticity, higher durable creeping intensity and good non-oxidizability and the performance such as punching press, welding, its combination property is better than the similar Ni-based solid solution alloies such as GH3044 and GH3536, be suitable for the combustion chamber flame drum of the aero-engine manufacturing long-term work at harmful 950 DEG C, after-burner housing, adjustment sheet and other high temperature parts, major product is flat cold-rolled sheet, also can supply hot rolled plate, bar, forging, silk material and tubing.
At present, the manufacture method of the square mounting edge of aero-engine GH3128 mainly comprises, and adopts free forging process to forge the square mounting edge blank of GH3128, obtains part subsequently through machining, the shortcoming of employing said method is: adopt free forging process, production efficiency is low; Due to subsequent mechanical, to process pre-made allowance comparatively large, causes that stock utilization is low, forging streamline cuts off serious, eventually reduces the qualification rate of forging.
Summary of the invention
The object of the present invention is to provide the manufacture method of the square mounting edge of a kind of aero-engine GH3128, solve the problems such as current aero-engine GH3128 square installation production efficiency is low, stock utilization is low, forging streamline cuts off seriously, forging qualification rate is low.
For solving the problems of the technologies described above, the present invention is achieved by the following technical solutions:
A manufacture method for the square mounting edge of aero-engine GH3128, comprises blanking, heating, honest thick, punching, rolling etc., wherein: it is square billet that the ring base adopting pressure side technique rolling to be obtained extrudes, mainly comprises the following steps:
(1) blanking, heating, honest thick, punching
By GH3128 alloy blank chamfering R20mm, adopt heating-up temperature to be 1100 ~ 1160 DEG C and heat blank, the heating and thermal insulation time calculates according to 6min/10mm; By blank vertically jumping-up to length be 21% ~ 24% of raw footage, carry out punching with drift;
(2) rolling
Melted down by ring base A after reheating, load machine for rolling ring and be rolled, the home roll rotating speed of looping mill is 1.5rad/s, and cone roller rotating speed is 1.0rad/s; Feed rate of idle roll is increased to 1mm/s by 0mm/s, ring base A is nipped rolling; Again feed rate of idle roll is increased to 2mm/s by 1mm/s, makes ring base A stable rolling; Again feed rate of idle roll is reduced to 0.3mm/s gradually by 2mm/s, thus obtains the ring base B be of the required size;
(3) pressure side
Ring base B is melted down after reheating, in described ring base B endoporus, put into mould, described mould is put on a hydraulic press together with ring base B, and respectively in order from direction A, direction B, direction C, direction D extrusion ring base B, obtain the square billet meeting dimensional requirement;
(4) be shaped
Melted down by square billet after reheating, use saddle support, square saddle to be shaped on a hydraulic press, obtain described square mounting edge, the forging pressure of hydraulic press described in forming process is 1100T, and it is 10mm/s that described hydraulic press presses down speed.
Preferably, in step (2), the roll-force of machine for rolling ring is 170T ~ 213T.
Beneficial effect of the present invention: the manufacture method that the invention provides the square mounting edge of a kind of aero-engine GH3128, due to bending after base employing rolling, uniform wall thickness, sub-material is accurate, ensure that the uniform wall thickness after forging forming, can design margin be reduced, thus save material; Have employed rolling due to during base, rolling significantly improves than open die forging production efficiency; After the forging forming that described method obtains, due to machine, to add surplus little, decreases streamline and cut off, improve the integrality of forging; During the forging base produced by the method uniform wall thickness, sub-material accurately thus when being shaped shape regular, size conforms is good, ensure that the forming quality of forging.
Accompanying drawing explanation
Fig. 1 is GH3128 alloy blank figure;
Fig. 2 is that GH3128 alloy blank is honest thick, ring base figure after punching;
Fig. 3 is that Fig. 2 is by the ring base figure after rolling;
Fig. 4 is square billet figure;
Fig. 5 is the square mounting edge part drawing after being shaped;
Fig. 6 is rolling schematic diagram;
Fig. 7 is pressure side's schematic diagram;
Fig. 8 is extruding rear mold and square billet state diagram;
Fig. 9 is for using saddle support and square saddle shaping schematic diagram;
Figure 10 is the A-A profile of Fig. 9;
In figure, 1-blank, 2-ring base A, 3-ring base B, 4-square billet, 5-Quad Sides, 6-home roll, 7-core roller, 8-mould, 9-direction A, 10-direction B, 11-direction C, 12-direction D, 13-hydraulic press, 14-square saddle, 15-saddle support.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearly, 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, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The manufacture method implementing the square mounting edge of a kind of aero-engine GH3128 of the present invention needs to provide the equipment such as forge furnace, forcing press, machine for rolling ring, manipulator and other moulds of industrial equipment.
The main chemical elements content (percentage by weight) of this alloy is: containing Cr amount 19% ~ 22%, containing W amount 7.5% ~ 9.0%, containing Al amount 0.4% ~ 0.8%, containing Mo amount 7.5% ~ 9.0%, containing Ti0.4% ~ 0.8%, containing Fe amount≤2.0%, C content≤0.05%, si content≤0.8%, containing Mn amount≤0. 5%, containing S amount≤0.013%, P content≤0.013%, containing B amount≤0.005%, containing Ce amount≤0.05%, containing Zr amount≤0.06%.
As shown in accompanying drawing 1 to Figure 10, the manufacture method of the square mounting edge of a kind of aero-engine GH3128, comprises blanking, heating, honest thick, punching, rolling etc., wherein: it is square billet that the ring base adopting pressure side technique rolling to be obtained extrudes, mainly comprises the following steps:
(1) blanking, heating, honest thick, punching
By GH3128 alloy blank 1 chamfering R20mm, adopt heating-up temperature to be 1100 ~ 1160 DEG C and heat blank, the heating and thermal insulation time calculates according to 6min/10mm; By blank 1 vertically jumping-up to length be 21% ~ 24% of raw footage, carry out punching with drift;
(2) rolling
Melted down by ring base A2 after reheating, load machine for rolling ring and be rolled, home roll 6 rotating speed of looping mill is 1.5rad/s, and cone roller (attached not shown in FIG.) rotating speed is 1.0rad/s; Core roller 7 feed speed is increased to 1mm/s by 0mm/s, ring base A2 is nipped rolling; Again core roller 7 feed speed is increased to 2mm/s by 1mm/s, makes ring base A2 stable rolling; Again core roller 7 feed speed is reduced to 0.3mm/s gradually by 2mm/s, thus obtains the ring base B3 be of the required size;
(3) pressure side
Ring base B3 is melted down after reheating, mould 8 is put in described ring base B3 endoporus, described mould 8 is put on a hydraulic press together with ring base B3, and respectively in order from direction A9, direction B10, direction C11, direction D12 extrusion ring base B3, obtains the square billet 4 meeting dimensional requirement;
(4) be shaped
Melted down by square billet 4 after reheating, hydraulic press 13 uses saddle support 15, square saddle 14 is shaped, obtain described square mounting edge 5, the forging pressure of hydraulic press 13 described in forming process is 1100T, and the speed that presses down of described hydraulic press 13 is 10mm/s.
In above-mentioned steps (2), the roll-force of machine for rolling ring is 170T ~ 213T.
Above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in previous embodiment, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of embodiment of the present invention technical scheme.
Claims (2)
1. a manufacture method for the square mounting edge of aero-engine GH3128, comprises blanking, heating, honest thick, punching, rolling etc., it is characterized in that: it is square billet that the ring base adopting pressure side technique rolling to be obtained extrudes, mainly comprise the following steps:
(1) blanking, heating, honest thick, punching
By GH3128 alloy blank (1) chamfering R20mm, adopt heating-up temperature to be 1100 ~ 1160 DEG C and heat blank, the heating and thermal insulation time calculates according to 6min/10mm; By blank (1) vertically jumping-up to length be 21% ~ 24% of raw footage, carry out punching with drift;
(2) rolling
By ring base A(2) melt down and reheat after, load machine for rolling ring and be rolled, the home roll rotating speed of looping mill is 1.5rad/s, and cone roller rotating speed is 1.0rad/s; Feed rate of idle roll is increased to 1mm/s by 0mm/s, makes ring base A(2) rolling of nipping; Again feed rate of idle roll is increased to 2mm/s by 1mm/s, makes ring base A(2) stable rolling; Again feed rate of idle roll is reduced to 0.3mm/s gradually by 2mm/s, thus obtains the ring base B(3 be of the required size);
(3) pressure side
By ring base B(3) melt down and reheat after, at described ring base B(3) put into mould (8) in endoporus, by described mould (8) and ring base B(3) put together on a hydraulic press, and respectively in order from direction A(9), direction B(10), direction C(11), direction D(12) extrusion ring base B(3), obtain the square billet (4) meeting dimensional requirement;
(4) be shaped
Square billet (4) is melted down after reheating, hydraulic press (13) use saddle support (15), square saddle (14) are shaped, obtain described square mounting edge (5), the forging pressure of hydraulic press described in forming process (13) is 1100T, and the speed that presses down of described hydraulic press (13) is 10mm/s.
2. the manufacture method of the square mounting edge of aero-engine GH3128 as claimed in claim 1, is characterized in that: in step (2), the roll-force of machine for rolling ring is 170T ~ 213T.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410378258.5A CN104259749B (en) | 2014-08-04 | 2014-08-04 | A kind of manufacture method on the aero-engine square installation sides of GH3128 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410378258.5A CN104259749B (en) | 2014-08-04 | 2014-08-04 | A kind of manufacture method on the aero-engine square installation sides of GH3128 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104259749A true CN104259749A (en) | 2015-01-07 |
| CN104259749B CN104259749B (en) | 2017-09-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410378258.5A Active CN104259749B (en) | 2014-08-04 | 2014-08-04 | A kind of manufacture method on the aero-engine square installation sides of GH3128 |
Country Status (1)
| Country | Link |
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| CN (1) | CN104259749B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105479111A (en) * | 2015-12-25 | 2016-04-13 | 贵州航宇科技发展股份有限公司 | Manufacturing method and mold of 1Cr11Ni2W2MoV alloy track-shaped mounting edge |
| CN107030247A (en) * | 2017-06-21 | 2017-08-11 | 山东南山铝业股份有限公司 | Special-shaped saddle, the processing unit (plant) and method for installing side |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0739987A (en) * | 1993-07-30 | 1995-02-10 | Oshima Kiko Kk | Method for working precise square shaped long hole and finished articles thereof |
| US5855137A (en) * | 1997-10-01 | 1999-01-05 | General Motors Corporation | Method of manufacturing a reservoir tube |
| JP2002224792A (en) * | 2001-01-31 | 2002-08-13 | Furukawa Electric Co Ltd:The | Method for manufacturing hollow body of polygonal section and hollow body of polygonal section manufactured in the same method |
| CN1668401A (en) * | 2002-07-12 | 2005-09-14 | 三菱麻铁里亚尔株式会社 | Frame producing method and frame |
| CN1695847A (en) * | 2004-05-11 | 2005-11-16 | 古河Sky株式会社 | Mfg.method of multi-side section ducted body and said body |
| CN101279344A (en) * | 2008-04-23 | 2008-10-08 | 贵州安大航空锻造有限责任公司 | Method for rolling and shaping aluminum alloy special-shaped ring forging |
| CN101279347A (en) * | 2008-04-23 | 2008-10-08 | 贵州航宇科技发展有限公司 | Method for rolling and shaping stainless steel conical ring |
-
2014
- 2014-08-04 CN CN201410378258.5A patent/CN104259749B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0739987A (en) * | 1993-07-30 | 1995-02-10 | Oshima Kiko Kk | Method for working precise square shaped long hole and finished articles thereof |
| US5855137A (en) * | 1997-10-01 | 1999-01-05 | General Motors Corporation | Method of manufacturing a reservoir tube |
| JP2002224792A (en) * | 2001-01-31 | 2002-08-13 | Furukawa Electric Co Ltd:The | Method for manufacturing hollow body of polygonal section and hollow body of polygonal section manufactured in the same method |
| CN1668401A (en) * | 2002-07-12 | 2005-09-14 | 三菱麻铁里亚尔株式会社 | Frame producing method and frame |
| CN1695847A (en) * | 2004-05-11 | 2005-11-16 | 古河Sky株式会社 | Mfg.method of multi-side section ducted body and said body |
| CN101279344A (en) * | 2008-04-23 | 2008-10-08 | 贵州安大航空锻造有限责任公司 | Method for rolling and shaping aluminum alloy special-shaped ring forging |
| CN101279347A (en) * | 2008-04-23 | 2008-10-08 | 贵州航宇科技发展有限公司 | Method for rolling and shaping stainless steel conical ring |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105479111A (en) * | 2015-12-25 | 2016-04-13 | 贵州航宇科技发展股份有限公司 | Manufacturing method and mold of 1Cr11Ni2W2MoV alloy track-shaped mounting edge |
| CN107030247A (en) * | 2017-06-21 | 2017-08-11 | 山东南山铝业股份有限公司 | Special-shaped saddle, the processing unit (plant) and method for installing side |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104259749B (en) | 2017-09-08 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Method for manufacturing GH3128 square mounting side for aircraft engine Effective date of registration: 20190327 Granted publication date: 20170908 Pledgee: Bank of Guiyang Limited by Share Ltd. high tech branch Pledgor: Guizhou Aviation Technical Development Co.,Ltd. Registration number: 2019520000006 |
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Date of cancellation: 20200924 Granted publication date: 20170908 Pledgee: Bank of Guiyang Limited by Share Ltd. high tech branch Pledgor: Guizhou Aviation Technical Development Co.,Ltd. Registration number: 2019520000006 |
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Denomination of invention: A manufacturing method of gh3128 square mounting edge for Aeroengine Effective date of registration: 20200930 Granted publication date: 20170908 Pledgee: Guanshanhu sub branch of Guiyang Bank Co.,Ltd. Pledgor: Guizhou Aviation Technical Development Co.,Ltd. Registration number: Y2020520000019 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230322 Granted publication date: 20170908 Pledgee: Guanshanhu sub branch of Guiyang Bank Co.,Ltd. Pledgor: Guizhou Aviation Technical Development Co.,Ltd. Registration number: Y2020520000019 |