CN106180652A - A kind of titanium alloy thin wall housing strand fine machining die and processing method thereof - Google Patents
A kind of titanium alloy thin wall housing strand fine machining die and processing method thereof Download PDFInfo
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- CN106180652A CN106180652A CN201610812806.XA CN201610812806A CN106180652A CN 106180652 A CN106180652 A CN 106180652A CN 201610812806 A CN201610812806 A CN 201610812806A CN 106180652 A CN106180652 A CN 106180652A
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- titanium alloy
- thin wall
- alloy thin
- wall housing
- base plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D19/00—Casting in, on, or around objects which form part of the product
- B22D19/16—Casting in, on, or around objects which form part of the product for making compound objects cast of two or more different metals, e.g. for making rolls for rolling mills
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D19/00—Casting in, on, or around objects which form part of the product
- B22D19/009—Casting in, on, or around objects which form part of the product for casting objects the members of which can be separated afterwards
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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
Abstract
A kind of titanium alloy thin wall housing strand fine machining die and processing method thereof, pour mould outside titanium alloy thin wall housing strand outer cladding, inside comprise interior casting mold；By titanium alloy thin wall housing strand outer surface is poured outside row fusible alloy, titanium alloy thin wall housing outer surface is made to thicken, thin-walled deformation is not resulted in during cutting inner surface, in like manner titanium alloy thin wall housing strand inner surface is poured in row fusible alloy, titanium alloy thin wall shell inner surface is made to thicken, thin-walled deformation is not resulted in during cutting outer surface, rigidity and the intensity of part can be effectively improved by this mould and processing method, procedure arrangement is reasonable, work efficiency is high, processing cost is low, can not only effectively solve the machining deformation problem of titanium alloy thin wall housing part, and substantially increase machining accuracy and the surface quality of part.
Description
Technical field
The present invention relates to Machining Technology field, be specifically related to a kind of titanium alloy thin wall housing strand fine machining die and
Its processing method.
Background technology
Titanium alloy has the features such as intensity is high, density is little, heat-resist, corrosion resistance is strong, is a kind of comprehensive mechanical
The engineering material that energy is excellent, obtains at industrial circles such as Aeronautics and Astronautics, automobile, medical treatment, boats and ships, industrial robot, oil and chemical industry
To being widely applied.
Titanium alloy thin wall housing part metal removal rate in the course of processing is big, rigidity is weak, intensity is low, processing technology is poor,
Cutting force, heat in metal cutting and cutting are trembled etc. under factor effect, easily produce the situation such as bigger machining deformation and cutting vibration, processing
After be difficult to ensure that machining accuracy and the surface quality of part, working (machining) efficiency is the most relatively low simultaneously.How to control titanium alloy thin wall housing
The machining deformation of part is the thorny problem of machinery manufacturing industry.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art, it is an object of the invention to provide a kind of titanium alloy thin wall housing strand
Fine machining die and processing method thereof, can be effectively improved rigidity and the intensity of part by this mould and processing method, and operation is pacified
Row is reasonable, work efficiency is high, and processing cost is low, can not only effectively solve the machining deformation problem of titanium alloy thin wall housing part,
And substantially increase machining accuracy and the surface quality of part.
In order to achieve the above object, the technical scheme that the present invention takes is:
A kind of titanium alloy thin wall housing strand fine machining die, including titanium alloy thin wall housing strand, interior casting mold and waters outward
Build mould, pour mould outside titanium alloy thin wall housing strand outer cladding, inside comprise interior casting mold；Described outer pour mould by
Exocoel casting base plate and cylindrical casting housing composition, exocoel casting base plate, cylindrical casting housing and titanium alloy thin wall housing strand
Cast chamber A is constituted between outer surface；Described interior casting mold is made up of inner chamber casting base plate and inner chamber casting core pipe, and inner chamber waters
Casting base plate, inner chamber are cast and are constituted cast chamber B between core pipe and titanium alloy thin wall housing strand inner surface.
Described exocoel casting base plate cylindrical is side, hole A, and centre is provided with circular hole, is face of cylinder A outside circular hole A.
Described inner chamber casting base plate cylindrical is side, hole B, and centre is provided with circular hole, is face of cylinder B outside circular hole B.
Described exocoel casting base plate, inner chamber casting base plate are kit, and its size is thin according to the titanium alloy after processing
The matching size of wall housing workpiece closes.
A kind of titanium alloy thin wall housing strand method for fine finishing, comprises the following steps:
1) by titanium alloy thin wall housing part cast blank stress relief annealing；
2) being assembled to by titanium alloy thin wall housing strand on exocoel casting base plate, exocoel casting base plate utilizes face of cylinder A to close titanium
Gold thin-wall case strand location, housing of being cast by cylindrical is assembled on exocoel casting base plate, and exocoel casting base plate utilizes side, hole A
To titanium alloy thin wall housing strand position, the fusible alloy of molten state is cast to by exocoel cast base plate, cylindrical casting housing
And constitute in cast chamber A between titanium alloy thin wall housing strand outer surface, after the temperature of fusible alloy is down to room temperature and is solidified,
Remove exocoel casting base plate；
3) using the coalition of the fusible alloy after titanium alloy thin wall housing strand, cooled and solidified and cylindrical casting housing as processing
Part, through the rough turn semifinishing of row；
4) by the titanium alloy thin wall housing strand after step 3) roughing and the coalition of step 3), put in the boiling water of 100 DEG C,
Melt the fusible alloy of cooled and solidified, separate titanium alloy thin wall housing strand, reclaim fusible alloy liquid；
5) being assembled to by the titanium alloy thin wall housing strand that step 4) processes on inner chamber casting base plate, inner chamber casting base plate utilizes hole
The side B titanium alloy thin wall housing strand location to processing, core pipe of being cast by inner chamber is assembled on inner chamber casting base plate, and inner chamber waters
Casting base plate utilizes face of cylinder B to inner chamber casting core pipe location, and the fusible alloy of molten state step 4) reclaimed is cast to by interior
Chamber casting base plate, inner chamber are cast and are constituted between core pipe and titanium alloy thin wall housing strand inner surface in cast chamber B, treat fusible alloy
Temperature be down to room temperature and solidify after, remove inner chamber casting base plate；
6) by the fusible alloy after the titanium alloy thin wall housing strand processed, cooled and solidified and the coalition of inner chamber casting core pipe
As workpiece, through the rough turn semifinishing of row；
7) by the titanium alloy thin wall housing strand after step 6) roughing, the coalition of step 6), the boiling water of 100 DEG C is put into
In, melt the fusible alloy of cooled and solidified, separate titanium alloy thin wall housing strand, reclaim fusible alloy liquid；
8) the titanium alloy thin wall housing strand after roughing step 7) separated carries out stress relief annealing process；
9) can change and the exocoel casting end of titanium alloy thin wall housing strand matching size after roughing through row repeatedly roughing
Plate, inner chamber casting base plate, reserved suitable allowance for finish, determine corresponding stress relief annealing parameter, repeat on this basis
Step 2)～the operation of step 8), it is finally completed the semifinishing of titanium alloy thin wall housing strand 1；
10) can process through row multiple fine, change and the exocoel casting of titanium alloy thin wall housing strand matching size after semifinishing
Base plate, inner chamber casting base plate repeats step 2 on this basis)～the operation of step 7), complete titanium alloy thin wall housing strand 1
Polish.
Described titanium alloy thin wall housing strand wall thickness deflection requires to control at ± 0.05mm.
Described repetition roughing to completing polish, the monolateral allowance staying 3mm～5mm of end face roughing first,
Profile, endoporus in it, the monolateral allowance staying 2mm～3mm of roughing；Refine 1～2mm is cast to titanium alloy thin wall housing every time
Base wall thickness deflection requires to control at ± 0.05mm.
Described fusible alloy fusing point is between 47 DEG C ~ 92 DEG C.
The invention has the beneficial effects as follows:
This method can at room temperature have high tough in cylindrical casting process frock and inner chamber casting process frock by filling
The fusible alloy of property improves rigidity and the intensity of part, significantly reduces difficulty of processing and production cost, efficiently solves
The machining deformation problem of titanium alloy thin wall housing part.Meanwhile, the fusible alloy as implant can also reclaim profit again
With, not only reduce further production cost, the most also protect environment, be the processing method of a kind of environmental protection.
Accompanying drawing explanation
Fig. 1 is the mould schematic diagram of the present invention, and wherein a is cylindrical casting process frock schematic diagram, and b is inner chamber casting process
Frock schematic diagram.
Fig. 2 is the mould cylindrical casting base plate schematic diagram of the present invention.
Fig. 3 is the dies cavity casting base plate schematic diagram of the present invention.
Fig. 4 is embodiment of the present invention titanium alloy thin wall housing part schematic diagram.
Wherein, 1 is titanium alloy thin wall housing strand；2 is interior casting mold；3 for pouring outward mould；4 is cast chamber A；5 are
Cast chamber B；6 is exocoel casting base plate；7 is cylindrical casting housing；8 is inner chamber casting base plate；9 is inner chamber casting core pipe；10 are
Side, hole A；11 is face of cylinder A；12 is side, hole B；13 is face of cylinder B；101 is end face A；102 is end face B；103 is profile A；
104 is interior profile B；105 is boss A；106 is boss B；107 is boss endoporus A；108 is boss endoporus B；109 is cylindrical A；
110 is cylindrical B；111 is external surface A；112 is external surface B；113 is endoporus.
Detailed description of the invention
The present invention is described in further detail below in conjunction with the accompanying drawings, and example is served only for explaining the present invention, not
For limiting the scope of the present invention.
As it is shown in figure 1, a kind of titanium alloy thin wall housing strand fine machining die, including titanium alloy thin wall housing strand 1, interior
Casting mold 2 and pour outward mould 3, pours mould 3 outside titanium alloy thin wall housing strand 1 outer cladding, inside comprises interior casting mold
2；The described outer mould 3 that pours is made up of exocoel casting base plate 6 and cylindrical casting housing 7, exocoel casting base plate 6, cylindrical casting
Cast chamber A4 is constituted between housing 7 and titanium alloy thin wall housing strand 1 outer surface；Described interior casting mold 2 is cast by inner chamber
Base plate 8 and inner chamber casting core pipe 9 form, table in inner chamber casting base plate 8, inner chamber casting core pipe 9 and titanium alloy thin wall housing strand 1
Cast chamber B5 is constituted between face.
As in figure 2 it is shown, described exocoel casting base plate 6 cylindrical is side, hole A10, centre is provided with circular hole, for circle outside circular hole A
Cylinder A11.
As it is shown on figure 3, described inner chamber casting base plate 8 cylindrical is side, hole B12, centre is provided with circular hole, for circle outside circular hole B
Cylinder B13.
Described exocoel casting base plate 6, inner chamber casting base plate 8 are kit, and its size is according to the titanium alloy after processing
The matching size of thin-wall case workpiece closes.
A kind of titanium alloy thin wall housing strand method for fine finishing, comprises the following steps:
1) by titanium alloy thin wall housing part cast blank stress relief annealing；
2) being assembled to by titanium alloy thin wall housing strand 1 on exocoel casting base plate 6, exocoel casting base plate 6 utilizes A11 pair, the face of cylinder
Titanium alloy thin wall housing strand 1 positions, and housing 7 of being cast by cylindrical is assembled on exocoel casting base plate 6, exocoel casting base plate 6 profit
With side, hole A10, titanium alloy thin wall housing strand 1 is positioned, the fusible alloy of molten state is cast to by exocoel casting base plate 6,
Constitute between cylindrical casting housing 7 and titanium alloy thin wall housing strand 1 outer surface in cast chamber A4, treat the temperature fall of fusible alloy
To room temperature solidification, remove exocoel casting base plate 6；
3) using the coalition of the fusible alloy after titanium alloy thin wall housing strand 1, cooled and solidified and cylindrical casting housing 7 as adding
Workpiece, through the rough turn semifinishing of row；
4) by the titanium alloy thin wall housing strand 1 after step 3) roughing and the coalition of step 3), the boiling water of 100 DEG C is put into
In, melt the fusible alloy of cooled and solidified, separate titanium alloy thin wall housing strand 1, reclaim fusible alloy liquid；
5) the titanium alloy thin wall housing strand 1 that step 4) processes is assembled on inner chamber casting base plate 8, inner chamber casting base plate 8 profit
Positioning, with side, hole B12, the titanium alloy thin wall housing strand 1 processed, core pipe 9 of being cast by inner chamber is assembled to inner chamber casting base plate 8
On, inner chamber casting base plate 8 utilizes face of cylinder B13 to position inner chamber casting core pipe 9, the easy fusion of molten state step 4) reclaimed
Gold is cast to by inner chamber casting base plate 8, constitutes cast between inner chamber casting core pipe 9 and titanium alloy thin wall housing strand 1 inner surface
In the B5 of chamber, after the temperature of fusible alloy is down to room temperature and is solidified, remove inner chamber casting base plate 8；
6) by the fusible alloy after the titanium alloy thin wall housing strand 1 processed, cooled and solidified and the combination of inner chamber casting core pipe 9
Body is as workpiece, through the rough turn semifinishing of row；
7) by the titanium alloy thin wall housing strand 1 after step 6) roughing, the coalition of step 6), the boiling water of 100 DEG C is put into
In, melt the fusible alloy of cooled and solidified, separate titanium alloy thin wall housing strand 1, reclaim fusible alloy liquid；
8) the titanium alloy thin wall housing strand 1 after roughing step 7) separated carries out stress relief annealing process；
9) can change and the exocoel casting end of titanium alloy thin wall housing strand 1 matching size after roughing through row repeatedly roughing
Plate, inner chamber casting base plate, reserved suitable allowance for finish, determine corresponding stress relief annealing parameter, repeat on this basis
Step 2)～the operation of step 8), it is finally completed the semifinishing of titanium alloy thin wall housing strand 1；
10) can process through row multiple fine, change and the exocoel casting of titanium alloy thin wall housing strand 1 matching size after semifinishing
Base plate, inner chamber casting base plate 8 repeats step 2 on this basis)～the operation of step 7), complete titanium alloy thin wall housing strand 1
Polish.
Described titanium alloy thin wall housing strand 1 wall thickness deflection requires to control at ± 0.05mm.
Described repetition roughing to completing polish, the monolateral allowance staying 3mm～5mm of end face roughing first,
Profile, endoporus in it, the monolateral allowance staying 2mm～3mm of roughing；Refine 1～2mm is cast to titanium alloy thin wall housing every time
Base 1 wall thickness deflection requires to control at ± 0.05mm.
Described fusible alloy fusing point is between 47 DEG C ~ 92 DEG C.
Embodiment
Experiment processing part uses part as shown in Figure 4, and material is Ti-6Al-4V cast titanium alloy, including interior profile A103, interior
Profile B104, endoporus 113, cylindrical A109, external surface A111, external surface B112, cylindrical B110, end face A101, end face B102,4
Individual boss A105,4 boss endoporus A107,4 boss B106,4 boss endoporus B108, the wall thickness of described part is 10mm,
Wall thickness deflection requires to control in ± 0.05mm, and the maximum gauge of interior profile A103 is, the deviation from circular from requirement of interior profile A103
Controlling within 0.05mm, interior profile A104 is required to control within 0.03mm with the deviation from circular from of endoporus 113, end face A101
Require to control within 0.03mm with the parallelism error of end face B102.
As in figure 2 it is shown, described cylindrical casting process frock includes that cylindrical casting housing 7, exocoel casting base plate 6, fusing point exist
Fusible alloy 70 between 47 DEG C ~ 92 DEG C.
As it is shown on figure 3, described inner chamber casting process frock includes that inner chamber casting core pipe 9, inner chamber casting base plate 8, fusing point exist
Fusible alloy 110 between 47 DEG C ~ 92 DEG C.
A kind of titanium alloy thin wall housing part processing method, comprises the steps of
1) by titanium alloy thin wall housing part cast blank stress relief annealing；
2) as shown in Figure 1a, being assembled to by titanium alloy thin wall housing strand 1 on exocoel casting base plate 6, exocoel casting base plate 6 utilizes
Titanium alloy thin wall housing strand 1 is positioned by face of cylinder A10 as shown in Figure 2, and housing 7 of being cast by cylindrical is assembled to exocoel casting base plate
On 6, exocoel casting base plate 6 utilizes side, hole A11 as shown in Figure 2 to position titanium alloy thin wall housing strand 1, easy by molten state
Fusion gold is cast in the cavity surrounded by titanium alloy thin wall housing strand 1, cylindrical casting housing 7 and exocoel casting base plate 6, treats
After the temperature of fusible alloy is down to room temperature and is solidified, remove exocoel casting base plate 6；
(3) using the coalition of titanium alloy thin wall housing strand 1, fusible alloy and cylindrical casting housing 7 as workpiece, rough turn end
Face A101, end face B102, the monolateral semifinishing surplus staying 3mm～5mm, rough turn interior profile A103, interior profile A104, endoporus
113, the monolateral semifinishing surplus staying 2mm～3mm；
(4) by the combination of the titanium alloy thin wall housing strand 1 after step 3) roughing, fusible alloy and cylindrical casting housing 7
Body, puts in the boiling water of 100 DEG C, melts fusible alloy, separates titanium alloy thin wall housing strand 1, reclaims fusible alloy；
(5) as shown in Figure 1 b, the titanium alloy thin wall housing strand 1 processed through step 4) is assembled on inner chamber casting base plate 8, interior
Chamber casting base plate 8 utilizes side, hole B1 as shown in Figure 3 to position titanium alloy thin wall housing strand 1, and core pipe 9 of being cast by inner chamber fills
Being fitted on inner chamber casting base plate 8, inner chamber casting base plate 8 utilizes face of cylinder B13 as shown in Figure 3 to position inner chamber casting core pipe 9, will
The fusible alloy of molten state is cast to be surrounded by titanium alloy thin wall housing strand 1, inner chamber casting core pipe 9 and inner chamber casting base plate 8
Cavity in, after the temperature of fusible alloy is down to room temperature and is solidified, remove inner chamber casting base plate 8；
(6) using the coalition of titanium alloy thin wall housing strand 1, fusible alloy 110 and inner chamber casting core pipe 9 as workpiece, slightly
Face work A101, end face B102, the monolateral semifinishing surplus staying 2mm～3mm, rough turning processing excircles A109, external surface
A111, external surface B112, cylindrical B110, the monolateral semifinishing surplus staying 2mm～3mm, 4 boss A105 of Milling Process, 4
Boss B106, the monolateral semifinishing surplus staying 1mm～2mm；
(7) will be through the titanium alloy thin wall housing strand 1 after step (6) roughing, fusible alloy 110 and inner chamber casting core pipe 9
Coalition, puts in the boiling water of 100 DEG C, melts fusible alloy 110, separates titanium alloy thin wall housing strand 1, reclaims fusible alloy
110；
(8) the titanium alloy thin wall housing strand 1 that step (7) is separated is carried out stress relief annealing process；
(9) change with roughing after titanium alloy thin wall housing strand 1 matching size exocoel casting base plate 6, inner chamber casting base plate
8, reserved suitable allowance for finish, determine corresponding stress relief annealing parameter, repeat step (2)～step on this basis
(8) operation, is finally completed the semifinishing of titanium alloy thin wall housing strand 1, wherein in the man-hour that adds repeating step (6), increases
4 boss endoporus A107, semifinishings of 4 boss endoporus B108 shown in Fig. 1 are added；
(10) change and after semifinishing, the exocoel casting base plate 6 of titanium alloy thin wall housing strand 1 matching size, inner chamber are cast at the end
Plate 8, repeats step (2)～the operation of step (7) on this basis, completes the polish of titanium alloy thin wall housing strand 1, wherein
Repeat step (6) add man-hour, increased by 4 boss endoporus A107, the polish of 4 boss endoporus B108 shown in Fig. 1.
Claims (8)
1. a titanium alloy thin wall housing strand fine machining die, including titanium alloy thin wall housing strand (1), interior casting mold
(2) mould (3) and is outward poured, it is characterised in that pour mould (3) outside titanium alloy thin wall housing strand (1) outer cladding, inside comprise
Interior casting mold (2)；The described outer mould (3) that pours is cast base plate (6) by exocoel and cylindrical casting housing (7) forms, exocoel
Casting base plate (6), cylindrical are cast and are constituted cast chamber A(4 between housing (7) and titanium alloy thin wall housing strand (1) outer surface)；Institute
The interior casting mold (2) stated by inner chamber cast base plate (8) and inner chamber casting core pipe (9) form, inner chamber cast base plate (8), inner chamber
Cast chamber B(5 is constituted) between casting core pipe (9) and titanium alloy thin wall housing strand (1) inner surface.
A kind of titanium alloy thin wall housing strand fine machining die the most according to claim 1, it is characterised in that outside described
Chamber casting base plate (6) cylindrical is side, hole A(10), centre is provided with circular hole, is face of cylinder A(11 outside circular hole A).
A kind of titanium alloy thin wall housing strand fine machining die the most according to claim 1, it is characterised in that described is interior
Chamber casting base plate (8) cylindrical is side, hole B(12), centre is provided with circular hole, is face of cylinder B(13 outside circular hole B).
A kind of titanium alloy thin wall housing strand fine machining die the most according to claim 1, it is characterised in that outside described
Chamber casting base plate (6), inner chamber casting base plate (8) are kit, and its size is according to the titanium alloy thin wall housing processing after processing
The matching size of part closes.
5. a titanium alloy thin wall housing strand method for fine finishing, it is characterised in that comprise the following steps:
1) by titanium alloy thin wall housing part cast blank stress relief annealing；
2) being assembled to by titanium alloy thin wall housing strand (1) on exocoel casting base plate (6), exocoel casting base plate (6) utilizes cylinder
Face A(11) titanium alloy thin wall housing strand (1) is positioned, housing (7) of being cast by cylindrical is assembled on exocoel casting base plate (6),
Exocoel casting base plate (6) utilizes side, hole A(10) titanium alloy thin wall housing strand (1) is positioned, by the fusible alloy of molten state
Be cast to by exocoel cast base plate (6), cylindrical casting housing (7) and titanium alloy thin wall housing strand (1) outer surface between constitute
Cast chamber A(4) in, after the temperature of fusible alloy is down to room temperature and is solidified, remove exocoel casting base plate (6)；
3) coalition of the fusible alloy after titanium alloy thin wall housing strand (1), cooled and solidified and cylindrical casting housing (7) is made
For workpiece, through the rough turn semifinishing of row；
4) by titanium alloy thin wall housing strand (1) after step 3) roughing and the coalition of step 3), the boiling water of 100 DEG C is put into
In, melt the fusible alloy of cooled and solidified, separate titanium alloy thin wall housing strand (1), reclaim fusible alloy liquid；
5) titanium alloy thin wall housing strand (1) that step 4) processes is assembled on inner chamber casting base plate (8), inner chamber casting base plate
(8) side, hole B(12 is utilized) to titanium alloy thin wall housing strand (1) location processed, in core pipe (9) of being cast by inner chamber is assembled to
On chamber casting base plate (8), inner chamber casting base plate (8) utilizes face of cylinder B(13) to inner chamber casting core pipe (9) location, by step 4)
The fusible alloy of molten state reclaimed is cast to be cast base plate (8), inner chamber casting core pipe (9) and titanium alloy thin wall housing by inner chamber
Cast chamber B(5 is constituted between strand (1) inner surface) in, after the temperature of fusible alloy is down to room temperature and is solidified, remove inner chamber and water
Casting base plate (8)；
6) fusible alloy after titanium alloy thin wall housing strand (1) processed, cooled and solidified and inner chamber are cast core pipe (9)
Coalition is as workpiece, through the rough turn semifinishing of row；
7) by titanium alloy thin wall housing strand (1) after step 6) roughing, the coalition of step 6), the boiling of 100 DEG C is put into
In water, melt the fusible alloy of cooled and solidified, separate titanium alloy thin wall housing strand (1), reclaim fusible alloy liquid；
8) titanium alloy thin wall housing strand (1) after roughing step 7) separated carries out stress relief annealing process；
9) can change and the exocoel casting of titanium alloy thin wall housing strand (1) matching size after roughing through row repeatedly roughing
Base plate, inner chamber casting base plate, reserved suitable allowance for finish, determine corresponding stress relief annealing parameter, weigh on this basis
Multiple step 2)～the operation of step 8), it is finally completed the semifinishing of titanium alloy thin wall housing strand 1；
10) can process through row multiple fine, change with semifinishing after the exocoel of titanium alloy thin wall housing strand (1) matching size water
Casting base plate, inner chamber casting base plate 8 repeat step 2 on this basis)～the operation of step 7), complete titanium alloy thin wall housing strand
The polish of 1.
A kind of titanium alloy thin wall housing strand method for fine finishing the most according to claim 1, it is characterised in that described titanium
Alloy thin-wall housing strand (1) wall thickness deflection requires to control at ± 0.05mm.
A kind of titanium alloy thin wall housing strand method for fine finishing the most according to claim 1, it is characterised in that described weight
Roughing is to completing polish again, the monolateral allowance staying 3mm～5mm of end face roughing first, profile, endoporus in it, slightly
Process the monolateral allowance staying 2mm～3mm；Refine 1～2mm is wanted to titanium alloy thin wall housing strand (1) wall thickness deflection every time
Ask and control at ± 0.05mm.
A kind of titanium alloy thin wall housing strand method for fine finishing the most according to claim 1, it is characterised in that described is easy
Molten alloy melting point is between 47 DEG C ~ 92 DEG C.
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| CN109986040A (en) * | 2017-12-29 | 2019-07-09 | 沈阳铸造研究所有限公司 | A kind of process preventing large complicated titanium alloy casting deformation |
| CN111037226A (en) * | 2019-12-19 | 2020-04-21 | 北京精密机电控制设备研究所 | Processing method of titanium alloy thin-wall part |
| CN113369833A (en) * | 2021-06-28 | 2021-09-10 | 宁波江丰复合材料科技有限公司 | Processing method of hot-pressing die |
| CN115537624A (en) * | 2022-09-30 | 2022-12-30 | 中国航发北京航空材料研究院 | Material for precision forming of flexible body, matched mould and preparation method |
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| CN109826786A (en) * | 2017-12-13 | 2019-05-31 | 陈立国 | A kind of processing method that pump uses Al-alloy casing |
| CN108035875A (en) * | 2017-12-13 | 2018-05-15 | 陈立国 | A kind of pump Al-alloy casing and its processing method |
| CN109986040A (en) * | 2017-12-29 | 2019-07-09 | 沈阳铸造研究所有限公司 | A kind of process preventing large complicated titanium alloy casting deformation |
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| CN111037226A (en) * | 2019-12-19 | 2020-04-21 | 北京精密机电控制设备研究所 | Processing method of titanium alloy thin-wall part |
| CN111037226B (en) * | 2019-12-19 | 2021-07-13 | 北京精密机电控制设备研究所 | Processing method of titanium alloy thin-wall part |
| CN113369833A (en) * | 2021-06-28 | 2021-09-10 | 宁波江丰复合材料科技有限公司 | Processing method of hot-pressing die |
| CN115537624A (en) * | 2022-09-30 | 2022-12-30 | 中国航发北京航空材料研究院 | Material for precision forming of flexible body, matched mould and preparation method |
| CN115537624B (en) * | 2022-09-30 | 2023-11-21 | 中国航发北京航空材料研究院 | Material for precision forming of flexible body, matched die and preparation method |
| CN116274954A (en) * | 2023-03-27 | 2023-06-23 | 上海尚实航空发动机股份有限公司 | Auxiliary device for machining inner wall of thin-wall casing and process for machining inner wall of thin-wall casing |
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