CN105364006B - The wax-pattern and its manufacture method of the hollow shrouded blade casting moulding system of large scale - Google Patents
The wax-pattern and its manufacture method of the hollow shrouded blade casting moulding system of large scale Download PDFInfo
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- CN105364006B CN105364006B CN201510918020.1A CN201510918020A CN105364006B CN 105364006 B CN105364006 B CN 105364006B CN 201510918020 A CN201510918020 A CN 201510918020A CN 105364006 B CN105364006 B CN 105364006B
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- wax
- ingate
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
- B22C9/04—Use of lost patterns
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/08—Features with respect to supply of molten metal, e.g. ingates, circular gates, skim gates
- B22C9/082—Sprues, pouring cups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/08—Features with respect to supply of molten metal, e.g. ingates, circular gates, skim gates
- B22C9/088—Feeder heads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/22—Moulds for peculiarly-shaped castings
- B22C9/24—Moulds for peculiarly-shaped castings for hollow articles
Abstract
The wax-pattern and its manufacture method of a kind of hollow shrouded blade casting moulding system of large scale, wax-pattern includes casting wax mould and running channel wax-pattern, core is provided with casting wax mould, integral shroud ingate is provided with the top of casting wax mould, bottom is provided with tenon ingate, running channel wax-pattern includes the bottom adhesive of the first spherical feeder in the top of integral shroud ingate, top is connected to one end of the first cross gate, the other end of the first cross gate is connected to sprue, the top adhesive of sprue has sprue cup, bottom is connected to the second spherical feeder, second spherical feeder is bonded in tenon ingate, second spherical feeder is connected to one end of the second cross gate, the other end of the second cross gate is connected to casting wax mould.Rationally design spherical feeder and corresponding running channel of the invention can carry out Stable Filling and effective feeding to casting and reduce stress, for producing large scale, hollow arbor braid hat, baroque blade, reduce cast difficulty, it is to avoid casting produces the defects such as disconnected core, loose, crackle, improves product percent of pass.
Description
Technical field
The present invention relates to Investment casting technology field, more particularly to a kind of hollow shrouded blade casting pouring system of large scale
The wax-pattern and its manufacture method of system.
Background technology
Combustion engine power turbine blade is generally large-scale blades, many of which superalloy turbine working-blade, band hat, sky
The heart, complex structure, technical difficulty are big, the method that manufacture large-scale blades are typically with model casting, first suppress casting wax
Mould, and ingate is respectively provided with above and below casting wax mould, sprue cup is located at the top of sprue, the side of sprue
It is connected with cross gate and is connected to ingate, molten steel is flowed into casting shell molds along cross gate in pour steel, forms leaf
Piece, but production casting is due to feeding or fills the reasons such as type is unreasonable and can produce the defect such as disconnected core, loose, crackle, cause waste product
Rate is very high, and qualification rate is low, and because blade dimensions are big, cast difficulty is big.
Therefore, it is necessary to design wax-pattern and its manufacture of a kind of hollow shrouded blade casting moulding system of more preferable large scale
Method, to solve the above problems.
The content of the invention
For the problem that prior art is present, the present invention is provided and a kind of passes through spherical feeder feeding, it is to avoid disconnected core, it is loose,
The wax-pattern and its manufacture method of the hollow shrouded blade casting moulding system of large scale of the defects such as crackle.
To achieve these goals, the present invention is adopted the following technical scheme that：
A kind of wax-pattern of the hollow shrouded blade casting moulding system of large scale, including casting wax mould and running channel wax-pattern, it is described
Core is provided with casting wax mould, integral shroud ingate is provided with the top of the casting wax mould, bottom is provided with tenon ingate, described to pour
Road wax-pattern includes sprue cup, sprue, the first cross gate, the second cross gate, the first spherical feeder and the second spherical feeder, described
The bottom adhesive of the first spherical feeder is connected to described at the top of the top of the integral shroud ingate, first spherical feeder
One end of first cross gate, the other end of first cross gate is connected to the sprue, the top adhesive of the sprue
The bottom for having sprue cup, the sprue is connected to second spherical feeder, and second spherical feeder is bonded in the tenon
Head ingate, second spherical feeder is connected to one end of second cross gate, and the other end of second cross gate connects
It is connected to the casting wax mould.
Further, second cross gate is provided with two, is poured in second spherical feeder with the tenon respectively
The opposite sides of mouth connecting portion.
Further, the sprue is provided with necking down.
Further, reinforcement is connected between first cross gate and the sprue cup, one end of the reinforcement is glued
The one end being connected with first spherical feeder in first cross gate is tied, the other end of the reinforcement is bonded in described pouring
Cup turns edge.
Further, the both sides up and down of first spherical feeder are set to plane, respectively with first cross gate and described
Integral shroud ingate is bonded.
Further, the lateral margin of the core has exhaust side, and the casting wax mould is exposed on the exhaust side, the core
There is core print to expose the integral shroud ingate for upper end, and the both side surface of the exhaust side and the core print is coated with 0.1mm~0.2mm
Paraffin wax white, the outlying end face from the casting wax mould of the exhaust is coated with the paraffin wax white of 0.5mm~1.0mm, and the core print is remote
Be coated with the paraffin wax white of 0.3mm~0.6mm from the end face of the integral shroud ingate, the upper surface of the core print be coated with 0.5mm~
The paraffin wax white of 1.0mm.
A kind of manufacture method of the wax-pattern based on the hollow shrouded blade casting moulding system of above-mentioned large scale, including：
Step one：The wax-pattern is suppressed, is suppressed respectively according to casting structure and is poured in the casting wax mould, the integral shroud
Mouth, the tenon ingate, first spherical feeder, second spherical feeder, first cross gate, second horizontal stroke
Running channel, the sprue and the sprue cup；
Step 2：The wax-pattern is combined, first the integral shroud ingate and the tenon ingate is bonded between two parties respectively
The upper/lower terminal of the casting wax mould, then aligns first spherical feeder integral shroud ingate and bonds, and described second
Spherical feeder aligns the tenon ingate and bonds, and the wax-pattern that will have been bonded is holded up, and has measured after length described in bonding respectively
First cross gate, second cross gate and the sprue, then bond the sprue cup.
Further, between step one and step 2, free end is applied to the core, the lateral margin of the core has exhaust
The casting wax mould is exposed on side, the exhaust side, and there is core print to expose the integral shroud ingate for the upper end of the core, described
The both side surface on core print and the exhaust side coats the paraffin wax white of 0.1mm~0.2mm, in the core print away from away from the integral shroud
The end face of ingate coats the paraffin wax white of 0.3mm~0.6mm, and the white stone of 0.5mm~1.0mm is coated in the upper surface of the core print
Wax, and coat the paraffin wax white of 0.5mm~1.0mm in the outlying end face from the casting wax mould of the exhaust.
Further, before first spherical feeder and second spherical feeder is bonded, first described first spherical is emitted
Plane is scalded on surface to be bonded on mouth and second spherical feeder.
Further, bond after the sprue cup, reinforcement bonded between the sprue cup and first cross gate,
One end of the reinforcement is bonded in one end that first cross gate is connected with first spherical feeder, the reinforcement
The other end is bonded in turning edge for the sprue cup.
Beneficial effects of the present invention：
The bottom adhesive of the first spherical feeder is connected to first at the top of the top of integral shroud ingate, the first spherical feeder
Cross gate, is connected to the bottom of sprue at the top of the second spherical feeder, the sidepiece of the second spherical feeder is bonded in tenon and pours
Mouthful, rationally design spherical feeder and corresponding running channel can carry out Stable Filling and effective feeding to the present invention to casting and reduction should
Power.It is used to produce large scale, hollow arbor braid hat, baroque blade using the wax-pattern of running gate system of the present invention, reduces cast difficult
Degree, it is to avoid casting produces the defects such as disconnected core, loose, crackle, improves product percent of pass.
Brief description of the drawings
Fig. 1 is the structural representation of the wax-pattern of the hollow shrouded blade casting moulding system of large scale of the present invention；
In figure, 1-casting wax mould, 2-integral shroud ingate, 3-tenon ingate, 4-exhaust side, 5-core print, 6-the
It is one spherical feeder, the 7-the first cross gate, 8-sprue, 9-necking down, 10-sprue cup, 11-reinforcement, 12-the second spherical
Rising head, the 13-the second cross gate.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained under the premise of creative work is not made it is all its
His embodiment, belongs to the scope of protection of the invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention
In relative position relation, motion conditions under a certain particular pose (as shown in drawings) between each part etc. are explained, if should
When particular pose changes, then directionality indicates also correspondingly to change therewith.
In addition, it is related to the description of " first ", " second " etc. to be only used for describing purpose in the present invention, and it is not intended that referring to
Show or imply its relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, " first ", " are defined
Two " at least one this feature can be expressed or be implicitly included to feature.
Such as Fig. 1, the present invention provides a kind of wax-pattern of the hollow shrouded blade casting moulding system of large scale includes casting wax mould 1
With running channel wax-pattern, both combine the wax-pattern for closing and forming running gate system, and running gate system of the present invention is applied to K465, K428, K488 etc.
High temperature alloy, is used to make the blade of large scale hollow arbor braid integral shroud.
The top of casting wax mould 1 is provided with integral shroud ingate 2, and bottom is provided with tenon ingate 3, casting wax mould 1 and is provided with type
Casting wax mould 1 is exposed in core, core part, and the lateral margin of core has that exhaust side 4 is lateral to expose casting wax mould 1, be vented side 4 basin,
Back of the body both side surface is coated with the paraffin wax white of 0.1mm~0.2mm, exhaust side 4 away from the end face of casting wax mould 1 be coated with 0.5mm~
There is core print 5 to expose integral shroud ingate 2 for the paraffin wax white of 1.0mm, the upper end of core, and the basin of core print 5, back of the body both side surface are coated with
The paraffin wax white of 0.1mm~0.2mm, core print 5 is coated with the paraffin wax white of 0.3mm~0.6mm, core print 5 away from the end face of integral shroud ingate 2
Upper surface be coated with the paraffin wax white of 0.5mm~1.0mm.
Running channel wax-pattern include sprue cup 10, sprue 8, the first cross gate 7, the second cross gate 13, the first spherical feeder 6,
Second spherical feeder 12 and reinforcement 11.The both sides up and down of the first spherical feeder 6 are set to plane, respectively with the first cross gate 7 and
Integral shroud ingate 2 is bonded, and the bottom adhesive of the first spherical feeder 6 is in the top of integral shroud ingate 2, the top of the first spherical feeder 6
Portion is bonded in one end of the first cross gate 7, and the other end of the first cross gate 7 is connected to sprue 8, and sprue 8 is erect and placed, directly
The top adhesive of running channel 8 has sprue cup 10, and reinforcement 11 is connected between the cross gate 7 of sprue cup 10 and first, reinforcement 11
One end is bonded in one end that the first cross gate 7 is connected with the first spherical feeder 6, and the other end is bonded in turning edge for sprue cup 10, leads to
Crossing reinforcement 11 can strengthen the intensity of the first cross gate 7 and sprue cup 10, and play a part of exhaust.The middle part of sprue 8
Necking down 9 is provided with, using necking down 9 shrinkage stress of sprue 8 can be made to concentrate on herein, reduce the influence to casting.Sprue 8
Bottom be connected to the second spherical feeder 12, the side of the second spherical feeder 12 is bonded in tenon ingate 3, the second spherical feeder
12 both sides are connected to one end of the second cross gate 13, and the other end of the second cross gate 13 is connected to casting wax mould 1, second
Cross gate 13 is provided with two, respectively positioned at the second spherical feeder 12 and the opposite sides of the connecting portion of tenon ingate 3, the second ball
The surface that shape rising head 12 is bonded with sprue 8,3 and second cross gate of tenon ingate 13 is set to plane, in order to bond.
In the present embodiment, tenon ingate 3 is set down, positioned at the bottom of wax-pattern casting 1, and in wax-pattern casting 1
The first spherical feeder 6 is bonded on the integral shroud ingate 2 at top, it is spherical that the tenon ingate 3 in the bottom of wax-pattern casting 1 bonds second
Rising head 12.Spherical feeder and corresponding running channel rationally are devised, wherein the first spherical feeder 6 plays feeding effect, second spherical emits
Mouth 12 plays feeding and the impact to pouring molten steel has cushioning effect.It is used to produce big using the wax-pattern of running gate system of the present invention
Size, hollow arbor braid hat, baroque blade, can make casting stable filling type and effective feeding and reduce stress, reduce cast difficult
Degree, it is to avoid casting produces the defects such as disconnected core, loose, crackle, improves product percent of pass.
The manufacture method of the wax-pattern of the above-mentioned hollow shrouded blade casting moulding system of large scale is as follows：
Running gate system is first designed, sprue cup 10, sprue 8, the first cross gate 7, the second cross gate 13, first is separately designed
The parts such as spherical feeder 6, the second spherical feeder 12, integral shroud ingate 2, tenon ingate 3 and reinforcement 11.Then according to cast
System design simultaneously manufactures mould.According to above-mentioned running gate system, and wax-pattern is suppressed using mould, suppressed respectively according to casting structure
Casting wax mould 1, integral shroud ingate 2, tenon ingate 3, the first spherical feeder 6, the second spherical feeder 12, the first cross gate 7,
The wax-pattern of two cross gates 13, sprue 8, sprue cup 10 and reinforcement 11.
, it is necessary to apply free end to core after completion wax-pattern compacting, core is exposed basin, the back of the body of the core print 5 of integral shroud ingate 2
Both side surface coats the paraffin wax white of 0.1mm~0.2mm, and core print 5 coats 0.3mm~0.6mm's away from the end face of integral shroud ingate 2
The paraffin wax white of 0.5mm~1.0mm is coated in paraffin wax white, the upper surface of core print 5, and core is exposed the exhaust side 4 of the side of casting wax mould 1
Basin, back of the body both side surface coat the paraffin wax white of 0.1mm~0.2mm, exhaust side 4 away from the end face of casting wax mould coat 0.5mm~
The paraffin wax white of 1.0mm.
Then combine wax-pattern, first by integral shroud ingate 2 and tenon ingate 3 be bonded between two parties respectively casting wax mould 1 it is upper,
Lower two ends, ingate is highly 15~35mm, and width is less than the core width for exposing, and thickness needs the size according to casting wax mould
It is determined that, generally 10~30mm, wherein tenon ingate 3 will be bonded to the back of casting wax mould 1.Then by the first spherical feeder
6 and second surface to be bonded in spherical feeder 12 scald into plane, in order to bond, the first spherical feeder 6 is aligned in integral shroud
Cast gate 2 is bonded, and the second spherical feeder 12 aligns tenon ingate 3 and bonds, and the first spherical feeder 6 is straight with the second spherical feeder 12
Footpath is according to the determination of the size of casting wax mould 1, generally ￠ 40mm~80mm.The wax-pattern that will have been bonded is holded up, and is divided after having measured length
The first cross gate 7, the second cross gate 13 and sprue 8 are not bonded, then in the top adhesive sprue cup 10 of sprue 8.Finally
Reinforcement 11 is bonded between the cross gate 7 of sprue cup 8 and first, one end of reinforcement 11 is bonded in the first cross gate 7 and first
One end of the connection of spherical feeder 6, the other end of reinforcement 11 is bonded on the turning edge of sprue cup 10.
Wax-pattern makes shell after completing, then carry out pouring molten steel, forms casting, and wax-pattern of the invention uses first
The spherical feeder 12 of spherical feeder 6 and second, can carry out Stable Filling and abundant feeding to casting, and reduce shrinkage stress,
Avoid casting from producing disconnected core, loose, crackle defect, improve product percent of pass.And between the first cross gate 7 and sprue cup 10
Reinforcement 11 is bonded, strengthens wax-pattern intensity, and play scavenging action.
The above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, although with reference to preferred embodiment to this hair
It is bright to be described in detail, it will be appreciated by those skilled in the art that technical scheme can be modified or waited
With replacing, without deviating from the objective and scope of the technical program, it all should cover in scope of the presently claimed invention.
Claims (9)
1. the wax-pattern of the hollow shrouded blade casting moulding system of a kind of large scale, it is characterised in that including：Casting wax mould and running channel
Wax-pattern, is provided with core in the casting wax mould, integral shroud ingate is provided with the top of the casting wax mould, and bottom is provided with tenon and pours
Mouthful, the running channel wax-pattern includes that sprue cup, sprue, the first cross gate, the second cross gate, the first spherical feeder and second are spherical
Rising head, the bottom adhesive of first spherical feeder is in the top of the integral shroud ingate, the top of first spherical feeder
One end of first cross gate is connected to, the other end of first cross gate is connected to the sprue, the sprue
Top adhesive have sprue cup, reinforcement, the one of the reinforcement are connected between first cross gate and the sprue cup
End is bonded in one end that first cross gate is connected with first spherical feeder, and the other end of the reinforcement is bonded in institute
Turning edge for sprue cup is stated, the bottom of the sprue is connected to second spherical feeder, and second spherical feeder is bonded in
The tenon ingate, second spherical feeder is connected to one end of second cross gate, second cross gate it is another
One end is connected to the casting wax mould.
2. the wax-pattern of the hollow shrouded blade casting moulding system of large scale according to claim 1, it is characterised in that：It is described
Second cross gate is provided with two, respectively positioned at second spherical feeder and relative the two of the tenon ingate connecting portion
Side.
3. the wax-pattern of the hollow shrouded blade casting moulding system of large scale according to claim 1, it is characterised in that：It is described
Sprue is provided with necking down.
4. the wax-pattern of the hollow shrouded blade casting moulding system of large scale according to claim 1, it is characterised in that：It is described
The both sides up and down of the first spherical feeder are set to plane, are bonded with first cross gate and the integral shroud ingate respectively.
5. the wax-pattern of the hollow shrouded blade casting moulding system of large scale according to claim 1, it is characterised in that：It is described
The lateral margin of core has exhaust side, and the casting wax mould is exposed on the exhaust side, and the upper end of the core has core print, core print dew
Go out the integral shroud ingate, the both side surface of the exhaust side and the core print is coated with the paraffin wax white of 0.1mm~0.2mm, described
It is vented the outlying end face from the casting wax mould and is coated with the paraffin wax white of 0.5mm~1.0mm, the core print in the integral shroud away from pours
The end face of mouth is coated with the paraffin wax white of 0.3mm~0.6mm, and the upper surface of the core print is coated with the paraffin wax white of 0.5mm~1.0mm.
6. a kind of manufacture method of the wax-pattern of the hollow shrouded blade casting moulding system of large scale based on described in claim 1,
It is characterised in that it includes：
Step one：Suppress the wax-pattern, suppressed respectively according to casting structure the casting wax mould, the integral shroud ingate,
The tenon ingate, first spherical feeder, second spherical feeder, first cross gate, described second horizontal are poured
Road, the sprue and the sprue cup；
Step 2：The wax-pattern is combined, is first bonded to the integral shroud ingate and the tenon ingate between two parties respectively described
The upper/lower terminal of casting wax mould, then aligns first spherical feeder integral shroud ingate and bonds, and described second is spherical
Rising head aligns the tenon ingate and bonds, and the wax-pattern that will have been bonded is holded up, and described first is bonded respectively after having measured length
Cross gate, second cross gate and the sprue, then bond the sprue cup.
7. manufacture method according to claim 6, it is characterised in that：Between step one and step 2, to the core
Free end is applied, the lateral margin of the core has exhaust side, and the casting wax mould, the upper end tool of the core are exposed in the exhaust side
There is core print to expose the integral shroud ingate, the both side surface on the core print and the exhaust side coats the white of 0.1mm~0.2mm
Paraffin, coats the paraffin wax white of 0.3mm~0.6mm away from the end face away from the integral shroud ingate, in the core in the core print
The paraffin wax white of 0.5mm~1.0mm is coated in the upper surface of head, and is coated in the outlying end face from the casting wax mould of the exhaust
The paraffin wax white of 0.5mm~1.0mm.
8. manufacture method according to claim 6, it is characterised in that：Bonding first spherical feeder and described second
Before spherical feeder, plane first is scalded into on surface to be bonded in first spherical feeder and second spherical feeder.
9. manufacture method according to claim 6, it is characterised in that：After bonding the sprue cup, in the sprue cup
Reinforcement is bonded between first cross gate, one end of the reinforcement is bonded in first cross gate and described first
One end of spherical feeder connection, the other end of the reinforcement is bonded in turning edge for the sprue cup.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510918020.1A CN105364006B (en) | 2015-12-09 | 2015-12-09 | The wax-pattern and its manufacture method of the hollow shrouded blade casting moulding system of large scale |
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| CN201510918020.1A CN105364006B (en) | 2015-12-09 | 2015-12-09 | The wax-pattern and its manufacture method of the hollow shrouded blade casting moulding system of large scale |
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| CN114178480A (en) * | 2021-12-08 | 2022-03-15 | 中国航发南方工业有限公司 | Modular pouring system of integral precision casting and preparation method thereof |
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Address after: 110043 Liaoning Province, Shenyang City District East Street No. 6 Patentee after: Chinese Hangfa Shenyang Liming Aero engine limited liability company Address before: 110043 Liaoning Province, Shenyang City District East Street No. 6 Patentee before: Liming Aeroplane Engine (Group) Co., Ltd., Shenyang City |
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