CN104308457A - Manufacturing method of GH3536 square mounting edges for aero-engine - Google Patents

Manufacturing method of GH3536 square mounting edges for aero-engine Download PDF

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Publication number
CN104308457A
CN104308457A CN201410404245.0A CN201410404245A CN104308457A CN 104308457 A CN104308457 A CN 104308457A CN 201410404245 A CN201410404245 A CN 201410404245A CN 104308457 A CN104308457 A CN 104308457A
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CN
China
Prior art keywords
rolling
square
ring base
aero
engine
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Application number
CN201410404245.0A
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Chinese (zh)
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CN104308457B (en
Inventor
张华�
孙传华
杨家典
钟礼彬
陆远贵
兰宝山
张胜利
杨祖建
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贵州航宇科技发展股份有限公司
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Priority to CN201410404245.0A priority Critical patent/CN104308457B/en
Publication of CN104308457A publication Critical patent/CN104308457A/en
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Publication of CN104308457B publication Critical patent/CN104308457B/en

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P2700/00Indexing scheme relating to the articles being treated, e.g. manufactured, repaired, assembled, connected or other operations covered in the subgroups
    • B23P2700/01Aircraft parts

Abstract

The invention discloses a manufacturing method of GH3536 square mounting edges for an aero-engine. The manufacturing method comprises the steps of blanking, heating, thickening, punching, rolling and the like, wherein ring blanks obtained through rolling are squeezed into square blanks by adopting a square pressing technology, and the final formation of square edges is carried out by adopting trestles and square mandrels. The manufacturing method has the benefits that the manner of deformation after rolling is adopted in the blanking process, the wall thickness is uniform, the material division is accurate, uniform wall thickness after forging formation is guaranteed, the design margin can be reduced, and thus the raw materials are saved, the production cost is reduced, and the production manufacturing technology is relatively simple; the comprehensive performance of the product is improved by adjusting the parameters in the rolling technology and the trestle and square mandrel forming technology.

Description

The manufacture method of the square mounting edge of a kind of aero-engine GH3536
Technical field
The present invention relates to the manufacture method of the square mounting edge of a kind of aero-engine GH3536.
Background technology
GH3536 alloy is the nickel base superalloy mainly using a kind of iron of chromium and molybdenum solution strengthening higher, and be applicable to combustion chamber components and other high-temperature components of manufacturing aero-engine, less than 900 DEG C Long-Time Service, short-term operation temperature reaches 1080 DEG C.There is good anti-oxidant and decay resistance, the lasting and creep strength waited until in having below 900 DEG C, hot and cold formability and welding performance good.GH3536 alloy is mainly for the manufacture of turbo blade, guide vane, the turbine disk, the high-temperature component such as high-pressure compressor dish and combustion chamber of aviation, naval vessels and industrial gas turbine; Also for the manufacture of the conversion equal energy source conversion equipment of aerospace craft, rocket engine, nuclear reactor, petrochemical equipment and coal.
At present, the manufacture method of the square mounting edge of aero-engine GH3536 mainly comprises, the square mounting edge blank of GH3536 is welded out after general employing free forging process setting down, part is obtained subsequently through machining, the shortcoming of employing said method is: weld after adopting setting down, complicate fabrication process, and pad intensity is not enough, easily there is defect, affect the combination property of final products; Because subsequent mechanical processes pre-made allowance comparatively greatly, processing cost is high.
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 GH3536, solve the problems such as current aero-engine GH3536 square installation manufacturing process is complicated, product combination property is poor, production cost is high.
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 GH3536, 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 GH3536 alloy blank chamfering R20mm, adopt heating-up temperature to be 1100 DEG C ~ 1170 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 0.8mm/s by 0mm/s, ring base A is nipped rolling; Again feed rate of idle roll is increased to 1.8mm/s by 0.8mm/s, makes ring base A stable rolling; Again feed rate of idle roll is reduced to 0 mm/s gradually by 1.8mm/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 820T, and it is 12mm/s that described hydraulic press presses down speed.
Preferably, in step (2), the roll-force of machine for rolling ring is 170T ~ 198T.
Beneficial effect of the present invention: the manufacture method that the invention provides the square mounting edge of a kind of aero-engine GH3536, 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, reduce production cost, manufacturing process is relatively simple; By adjustment rolling and saddle support, square saddle forming parameters, improve product combination property.
Accompanying drawing explanation
Fig. 1 is GH3536 alloy blank figure;
Fig. 2 is that GH3536 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 GH3536 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: C content 0.05% ~ 0.15%, containing Cr amount 20.5% ~ 23%, containing Co amount 0.5% ~ 2.5%, containing W amount 0.2% ~ 1.0%, containing Mo amount 8.0% ~ 10.0%, containing Fe amount 17.0% ~ 20.0%, containing Al amount≤0.50%, containing Ti amount≤0.15%, measuring containing Cu is 0.50%, containing Mn amount≤1.0%, containing S amount≤0.015%, P content≤0.025%, containing B amount≤0.01%, si content≤1.0%, all the other are Ni.
As shown in accompanying drawing 1 to Figure 10, the manufacture method of the square mounting edge of a kind of aero-engine GH3536, 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 GH3536 alloy blank 1 chamfering R20mm, adopt heating-up temperature to be 1100 DEG C ~ 1170 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 0.8mm/s by 0mm/s, ring base A2 is nipped rolling; Again core roller 7 feed speed is increased to 1.8mm/s by 0.8mm/s, makes ring base A2 stable rolling; Again core roller 7 feed speed is reduced to 0 mm/s gradually by 1.8mm/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 820T, and the speed that presses down of described hydraulic press 13 is 12mm/s.
In above-mentioned steps (2), the roll-force of machine for rolling ring is 170T ~ 198T.
By the forging that said method obtains, its mechanical property is: room temperature tensile (longitudinal direction): R mfor 700MPa ~ 750MPa, R p0.2for 330MPa ~ 355MPa, δ 5be 48%; Brinell hardness is 179 HBW; It is 105 MPa, δ be 98% ~ 102%, T is 33.1h ~ 33.5h that high temperature continues 815 DEG C of (longitudinal direction): σ, and above technical indicator has exceeded technical standard (HB5496-1992) requirement.
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 GH3536, 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 GH3536 alloy blank (1) chamfering R20mm, adopt heating-up temperature to be 1100 DEG C ~ 1170 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 0.8mm/s by 0mm/s, makes ring base A(2) rolling of nipping; Again feed rate of idle roll is increased to 1.8mm/s by 0.8mm/s, makes ring base A(2) stable rolling; Again feed rate of idle roll is reduced to 0mm/s gradually by 1.8mm/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 820T, and the speed that presses down of described hydraulic press (13) is 12mm/s.
2. the manufacture method of the square mounting edge of aero-engine GH3536 as claimed in claim 1, is characterized in that: in step (2), the roll-force of machine for rolling ring is 170T ~ 198T.
CN201410404245.0A 2014-08-18 2014-08-18 A kind of manufacture method on the square installation limit of aero-engine GH3536 CN104308457B (en)

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Application Number Priority Date Filing Date Title
CN201410404245.0A CN104308457B (en) 2014-08-18 2014-08-18 A kind of manufacture method on the square installation limit of aero-engine GH3536

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Application Number Priority Date Filing Date Title
CN201410404245.0A CN104308457B (en) 2014-08-18 2014-08-18 A kind of manufacture method on the square installation limit of aero-engine GH3536

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CN104308457B CN104308457B (en) 2016-06-08

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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 (6)

* Cited by examiner, † Cited by third party
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
EP0906798A2 (en) * 1997-10-01 1999-04-07 General Motors Corporation Method of manufacturing a reservoir tube
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

Patent Citations (6)

* Cited by examiner, † Cited by third party
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
EP0906798A2 (en) * 1997-10-01 1999-04-07 General Motors Corporation Method of manufacturing a reservoir tube
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 (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

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Denomination of invention: Manufacturing method of GH3536 square mounting edges for aero-engine

Effective date of registration: 20171127

Granted publication date: 20160608

Pledgee: Bank of Guiyang Limited by Share Ltd high tech branch

Pledgor: Guizhou Aviation Technical Development Co., Ltd.

Registration number: 2017990001066

Denomination of invention: Manufacturing method of GH3536 square mounting edges for aero-engine

Effective date of registration: 20171127

Granted publication date: 20160608

Pledgee: Bank of Guiyang Limited by Share Ltd high tech branch

Pledgor: Guizhou Aviation Technical Development Co., Ltd.

Registration number: 2017990001066

PC01 Cancellation of the registration of the contract for pledge of patent right
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Date of cancellation: 20200924

Granted publication date: 20160608

Pledgee: Bank of Guiyang Limited by Share Ltd. high tech branch

Pledgor: Guizhou Aviation Technical Development Co.,Ltd.

Registration number: 2017990001066

PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: A manufacturing method of GH3536 square mounting edge for Aeroengine

Effective date of registration: 20200930

Granted publication date: 20160608

Pledgee: Guanshanhu sub branch of Guiyang Bank Co., Ltd

Pledgor: Guizhou Aviation Technical Development Co.,Ltd.

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