CN106077506B - A kind of blade casting mould and its application and blade forming method - Google Patents
A kind of blade casting mould and its application and blade forming method Download PDFInfo
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- CN106077506B CN106077506B CN201610656971.0A CN201610656971A CN106077506B CN 106077506 B CN106077506 B CN 106077506B CN 201610656971 A CN201610656971 A CN 201610656971A CN 106077506 B CN106077506 B CN 106077506B
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- blade
- casting mould
- groove
- cover board
- mold
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- 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
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- 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
Abstract
The invention discloses a kind of blade casting mould and its application and blade forming method, the upper die and lower die including upper and lower corresponding setting, the lower die is used to form the first groove of blade lower edge part with setting at upper mold cooperation；The upper mold includes the first upper die component and the second upper die component of the corresponding setting in front and back, has the gap for being used to form blade body part between first upper die component and the second upper die component；The upper mold top is matched with cover board, and setting is used to form the second groove of blade upper edge portion at cover board and upper mold cooperation.The present invention passes through the cooperation of upper and lower mould, cover board piecemeal, can be realized the production for three-dimensional twisted blade.Forming method of the invention makes die surface keep certain temperature, makes high temperature solution, can be quickly cooled down simultaneously, blade forming is high-quality, and surface defect is low after liquid is full of die space.
Description
Technical field
The invention belongs to casting fields, are related to a kind of for having the blade casting mould of leaf product, and in particular to one
Kind blade casting mould and its application and blade forming method.
Background technique
In the manufacturing process with leaf product, especially in the manufacturing process of enclosed impeller.Its blade position, it is past
Toward being in three-dimensional twisted shape, manufactured by the way of being directly machined, difficulty is very big, or even can not process.
Existing blade manufacture method is that mold is arranged to what blade shape was molded.But in casting complex shape
When the especially three-dimensional twisted blade of the blade of shape, it is highly difficult that mold is provided directly as blade shape.Because this is by blade
The difficulty of casting is transformed into the difficulty of mold processing.It is cast relative to blade, the process of mold is more complicated to be difficult to control.
The mold of blade is all to need that the hole matched with blade shape is arranged in mould structure, when blade shape complexity,
The hole of manufacturing complex shapes is extremely difficult inside blade mold, increases the difficulty of blade casting processing indirectly instead in this way；
Existing blade mold or the structure matched using upper and lower mould, although the structure of upper and lower mould cooperation can be by leaf
The shape of piece is divided into two parts, makes the groove of adhered shape respectively on upper and lower mould, but often three-dimensional twisted blade is perpendicular
Shape into plane and transverse plane is more complicated, so also very when upper and lower mould makes the groove of fitting blade shape
Difficulty, and the structure of blade usually can all have upper limb and lower edge, and this just needs to process the sky to match inside upper and lower mould
Gap, to be processed inside a modular construction gap be it is unworkable, cannot achieve the processing to mold body, so also without
Method realizes that the casting to blade is processed.
When due to production low-melting alloy blade, needs for the aluminium alloy of fusing to be cast in mold, need in the process
It is noted that the parameters such as aluminium alloy temperature, mould temperature, cooling.It may be poured not as aluminium alloy cast temperature is too low, mold temperature is too low
Foot, cold shut；Cast temperature is excessively high, mold temperature is excessively high, cooling velocity is too small it is possible that surface microstructure is coarse, any surface finish
It is poor to spend.
Summary of the invention
The purpose of the present invention is to overcome above-mentioned the deficiencies in the prior art, providing a kind of blade casting mould, by mould
Tool carries out piecemeal setting, cooperates between each piecemeal, can be good at making three-dimensional twisted blade or leaf model.
Application of the blade mold in the casting of low-melting alloy blade is also provided, it is low which is applied to manufacture
On melting alloy blade, by carrying out piecemeal setting to mold, cooperates between each piecemeal, can be good at making three-dimensional torsion
Bent low-melting alloy blade.
A kind of forming method using the blade mold is also provided, die surface is made to keep certain temperature during this method
Degree is quickly cooled down high temperature solution after full of die space, and the leaf quality made using the forming method is good, surface defect
It is few.
To achieve the above object, the present invention adopts the following technical solutions:
A kind of blade casting mould, the upper die and lower die including upper and lower corresponding setting, at the lower die and upper mold cooperation
The first groove for being used to form blade lower edge part is set；The upper mold include the corresponding setting in front and back the first upper die component and
Second upper die component has the sky for being used to form blade body part between first upper die component and the second upper die component
Gap；The upper mold top is matched with cover board, and cover board is used to form the second recessed of blade upper edge portion with setting at upper mold cooperation
Slot.The lower edge part that blade is formed by the way that the first groove is arranged in lower die forms leaf by the way that the second groove is arranged on the cover board
Upper mold is divided into two parts composition, gap is arranged between the first upper die component and the second upper die component and is formed by the upper edge portion of piece
Blade body part, and upper die and lower die, cover board are provided separately, the first upper die component and the second upper die component are provided separately,
It can be very good that the structure to form blade part is arranged in each section, mold body is easily worked production.
The lower die includes pedestal, curved surface boss is installed on the pedestal, under the setting of curved surface boss working face and blade
Compatible first groove of edge shape, curved surface boss are matched with upper mold；Setting is used to form blade on curved surface boss
First groove of lower edge, processes the first groove on curved surface boss, and process is simple and easy.
Further, the shape of working surface of the curved surface boss is adapted with the shape of the first groove floor；Curved surface is convex
Platform upper surface is shaped to the extended surface of the shape of blade lower edge, greatly reduces the difficulty processed to the first groove,
It also more can guarantee that the shape of the first groove is adapted with blade lower edge shape simultaneously.
Further, first groove is connected with lead channel；It casts melt and the first groove, shape is entered by lead channel
At blade lower edge.
Second groove compatible with blade upper limb shape is arranged in the cover board working face；Second groove is set to lid
Plate lower surface, between cover board and upper mold with, formed blade upper limb.
Further, the shape of working surface of the cover board is adapted with the shape of the second groove floor；By cover board lower surface
It is shaped to the extended surface of the shape of blade upper limb, greatly reduces the difficulty processed to the second groove, while also more
It can guarantee that the shape of the second groove is adapted with blade upper limb shape.
Preferably, several through-holes are set on second groove；It is used to indicate the liquid level of mould inside liquid, together
When can collect slag, will float in surface and hole on the impurity recorded in liquid.
The upper mold is adapted with the bottom shape at lower die cooperation with curved surface boss shape of working surface；Make upper die and lower die
It cooperates, while guaranteeing at upper die and lower die connection cooperation more closely well.
Further, upper mold upper surface shape is adapted with cover board shape of working surface；Keep upper mold and cover board good
It cooperates, while guaranteeing that upper mold connects at cooperation more closely with cover board.
Further, the highest position of the upper mold is equipped with the running channel being connected with the first groove of lower die；By running channel
Place is poured, and moulding by casting the first groove of the casting melt in lower die of the running channel by mold bottom, guarantee formed
Journey is gone on smoothly.
Preferably, Triangle Module is arranged in first upper die component and the edge of the second upper die component extreme higher position, described
Triangle Module includes the first triangle membrane module and the second triangle membrane module of the corresponding setting in front and back；Triangle Module is located at cast gate, and
A part of running channel is constituted, convenient for removal cast gate, demoulding after low-melting alloy solidification.
The running channel being connected with the first groove of lower die is equipped at the outer boundary of the Triangle Module；It is poured by running channel
Note, moulding by casting the first groove of the casting melt in lower die of the running channel by mold bottom, guarantees the smooth of forming process
It carries out.
The third groove matched with running channel is set on the cover board；Carrying out casting by the third groove on cover board can be complete
It ensure that the leakproofness of mould inside without opening cover board at entire casting process.
Multiple limit plates are set in curved surface boss and upper mold periphery on the pedestal, be fixed connection between limit plate,
Multiple limit plates and cover board cooperatively form enclosed construction；It is closed between limit plate and pedestal, cover board, forms cast moulding
Chamber realizes that the casting to blade is processed by the cooperation of upper die and lower die in casting mold cavity and cover board.
A kind of forming method of blade, comprising the following steps:
Step 1: cleaning each surface of blade casting mould component part, assembling blade casting mould is stand-by, casts in blade
Mould inner surface coats release agent；
Step 2: weighing cast raw material by setting demand, clear up cast raw material surface dirt；
Step 3: blade casting mould being placed in drying machine and is preheated, the temperature of temperature measurement module monitoring blade casting mould is used
Degree is until sets requirement temperature stops preheating；
Step 4: heating cast raw material makes its thawing form cast raw material solution, molten using temperature measurement module monitoring cast raw material
The temperature of liquid is until sets requirement temperature, stops heating；
Step 5: cast raw material solution is poured into blade casting mould, is monitored by removal cast raw material solution surface impurity
Each surface temperature of blade casting mould cools down blade casting mould surface；
Step 6: after the mould time is opened in arrival setting, taking out blade, observe blade surface quality.
The invention has the benefit that
1, the present invention passes through the cooperation of upper and lower mould, cover board piecemeal, can be realized the production for three-dimensional twisted blade.
2, forming method of the invention makes die surface keep certain temperature, enables high temperature solution empty full of mold
Between after be quickly cooled down, few surface defects good using the molding leaf quality of the forming method.
3, inventive die piecemeal is reasonable, manufacture it is easy to process, meanwhile, it is convenient that mold decomposes, will not in opening mold process,
Damage is brought to the formed blades surface in mold.
4, running channel is arranged in side inventive die, guarantees that melt is cooled and shaped quality in mold, will not be in blade master
Increase additional material on body.
Detailed description of the invention
Fig. 1 is blade casting mould integral installation distribution structure schematic diagram of the present invention；
Fig. 2 is upper die structure schematic diagram；
Fig. 3 is the cooperation schematic diagram of 1 upper die and lower die of embodiment；
Fig. 4 is the structural schematic diagram of cover board；
Fig. 5 is the cooperation schematic diagram of 2 upper die and lower die of embodiment；
Fig. 6 is the structural schematic diagram of limit plate；
Fig. 7 is the structural schematic diagram of angle mould；
Fig. 8 is the blade construction schematic diagram that casting is formed；
In figure, 1 is lower die, and 2 be the first upper die component, and 3 be the second upper die component, and 4 be gap, and 5 be running channel, and 6 be pedestal,
7 be curved surface boss, and 8 be the first groove, and 9 be lead channel, and 10 be cover board, and 11 be the first limit plate, and 12 be the second limit plate, and 13 are
Third limit plate, 14 be the 4th limit plate, and 15 be card slot, and 16 be third groove, and 17 be the second groove, and 18 be through-hole, and 19 be three
Angle mould, 20 be the first triangle membrane module, and 21 be the second triangle membrane module, and 22 be card slot, and 23 be upper limb, and 24 be lower edge, based on 25
Body.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples.
Embodiment 1:
As shown in Figure 1-Figure 3, a kind of blade casting mould, the upper die and lower die 1 including upper and lower corresponding setting, lower die 1
The first three-dimensional twisted groove 8 of blade lower edge part is used to form with setting at upper mold cooperation；Upper mold includes that front and back is corresponding
It pastes at the interface both ends of the first upper die component 2 and the second upper die component 3 being arranged, the first upper die component 2 and the second upper die component 3
It closing, the first upper die component 2 and 3 middle section of the second upper die component have the hollow gap 4 for being used to form blade body part,
For moulding blade body thin-walled portion, hollow spaces face is along the three-dimensional twisted extension of blade surface；Upper mold top and cover board 10
It matches, setting is used to form the second groove 17 of blade upper edge portion at cover board 10 and upper mold cooperation, to mould blade
Upper limb.The lower edge part that blade is formed by the way that the first groove 8 is arranged in lower die 1, by the way that the second groove is arranged on cover board 10
17 form the upper edge portion of blade, and upper mold is divided into two parts composition, is set between the first upper die component 2 and the second upper die component 3
It empties gap 4 and forms blade body part, and upper die and lower die, cover board are provided separately, by the first upper die component and the second upper mold group
Part is provided separately, and can be very good that the structure to form blade part is arranged in each section, mold body is easily worked
Production.Upper mold is divided into the first upper die component 2 and the second upper die component 3 facilitates demoulding.
Multiple limit plates, the first limit plate 11, the second limit plate 12 are set in curved surface boss 7 and upper mold periphery on pedestal 6
Third limit plate 13 and the 4th limit plate 14, the first limit plate 11, the second limit plate 12 are symmetrical arranged, third limit plate 13 and the
Four limit plates 14 are symmetrical arranged, and be fixed connection between limit plate, and multiple limit plates and cover board 10 cooperatively form enclosed construction；
It is closed between limit plate and pedestal, cover board, forms casting mold cavity, pass through upper die and lower die in casting mold cavity and cover board
Cooperation realizes that the casting to blade is processed.Limit plate and curved surface boss are provided separately, demoulding is facilitated.
The shape of curved surface boss 7 and upper mold is adjusted according to the shape of impeller, blade, and shape setting principle is cannot to hamper
Blade is hindered to demould.
As shown in fig. 6, the side of third limit plate 13 and the 4th limit plate 14 is respectively provided with card slot 15,13 He of third limit plate
The opposite side of 4th limit plate 14 is respectively provided with card slot 22, and the first limit plate 11 and the second limit plate 12 are plugged together in third limit plate 13
On the card slot 22 of the 4th limit plate 14, third limit plate 13 and the 4th limit plate 14 at the card slot 15 of side by stud,
It is bolted.
As shown in Fig. 2, lower die 1 includes pedestal 6, be installed with curved surface boss 7 on pedestal 6, the setting of 7 upper surface of curved surface boss with
Compatible first groove 8 of blade lower edge shape, curved surface boss 7 are matched with upper mold；It is arranged on curved surface boss 7 and is used for
The first groove 8 for forming blade lower edge, processes the first groove 8, process is simple and easy on curved surface boss 7.Shown in Fig. 2
7 upper surface of curved surface boss be 7 working face of curved surface boss.
The upper surface shape of curved surface boss 7 is adapted with the shape of 8 bottom surface of the first groove；By 7 upper surface of curved surface boss
One groove location is shaped to the extended surface of the bottom surface of blade lower edge, greatly reduces the difficulty processed to the first groove 8
Degree, while also more can guarantee that the shape of the first groove 8 is adapted with blade lower edge shape.
First groove 8 is connected with lead channel 9；Melt is cast by lead channel 9 and enters the first groove 8, forms blade.
As shown in figure 4, the second groove 17 compatible with blade upper limb shape is arranged in 10 lower surface of cover board；By the second groove
17 be set to 10 lower surface of cover board, between cover board 10 and upper mold with, formed blade upper limb.Under cover board 10 shown in Fig. 4
Surface is 10 working face of cover board.
The underside shape of cover board 10 is adapted with the shape of 17 bottom surface of the second groove；By 10 the second groove of lower surface of cover board
Position be shaped to blade upper limb top surface extended surface, greatly reduce the difficulty processed to the second groove, together
When also more can guarantee that the shape of the second groove is adapted with blade upper limb shape.
Several through-holes 18 are set on second groove 17, and 18 quantity of through-hole is more than or equal to 1；For that will indicate mould inside liquid
The liquid level of body, while slag can be collected, it will float in surface and hole on the impurity recorded in liquid.
As shown in figure 3, upper mold is adapted with the bottom shape at 1 cooperation of lower die with 7 upper surface shape of curved surface boss；Make
Mould and lower die cooperate well, while guaranteeing at upper die and lower die connection cooperation more closely.
First upper die component 2 and 3 upper surface of the second upper die component are warp surface.
Upper mold upper surface shape is adapted with 10 underside shape of cover board；Upper mold and cover board is set to cooperate well, together
When guarantee upper mold connected with cover board at cooperation more closely.The upper surface of upper mold is the working face of upper mold.
The highest position of upper mold is equipped with the running channel 5 being connected with the first groove 8 of lower die, and 5 optimal selection of running channel is vertical
Straight setting, can save melt, and reduce the distance of trickling, reduce the cooling in flow process, and running channel 5 extends to bottom and feed liquor
Slot 9 is connected to；It is poured by running channel 5, is poured the first groove of the casting melt in lower die of the running channel by mold bottom
Molding, guarantees going on smoothly for forming process.
The third groove 16 matched with running channel 5 is set on cover board 10；Guarantee in casting process without opening cover board
It is operated, carrying out casting by the third groove 16 on cover board can be completed entire casting process, ensure that the close of mould inside
Feng Xing.
As shown in figure 8, molding low-melting alloy blade includes upper limb 23, lower edge 24, main body 25.
Embodiment 2:
As shown in figure 5 and figure 7, one end of the first upper die component 2 and the second upper die component 3 is not bonded, in the first upper mold group
The edge of 3 extreme higher position of part 2 and the second upper die component is arranged Triangle Module 19, and Triangle Module 19 includes the of the corresponding setting in front and back
One triangle membrane module 20 and the second triangle membrane module 21, the first triangle membrane module 20 and the second triangle membrane module 21 fit；Three
Angle mould is located at cast gate, and constitutes a part of running channel, convenient for removal cast gate, demoulding after low-melting alloy solidification.
It is equipped at third limit plate 13 at the outer boundary of Triangle Module 19 and is poured with what the first groove 8 of lower die 1 was connected
Road 5；It is poured by running channel 5, moulding by casting the first groove of the casting melt in lower die of the running channel by mold bottom,
Guarantee going on smoothly for forming process.
Embodiment 3:
A kind of forming method of blade, comprising the following steps:
Step 1: cleaning each surface of blade casting mould component part, assembling blade casting mould is stand-by, casts in blade
Mould inner surface coats release agent；
Step 2: weighing cast raw material by setting demand, clear up cast raw material surface dirt；
Step 3: blade casting mould being placed in drying machine and is preheated, the temperature of temperature measurement module monitoring blade casting mould is used
Degree is until sets requirement temperature stops preheating；
Step 4: heating cast raw material makes its thawing form cast raw material solution, molten using temperature measurement module monitoring cast raw material
The temperature of liquid is until sets requirement temperature stops heating；
Step 5: cast raw material solution is poured into blade casting mould, is monitored by removal cast raw material solution surface impurity
Each surface temperature of blade casting mould cools down blade casting mould surface；
Step 6: after the mould time is opened in arrival setting, taking out blade, observe blade surface quality.
Embodiment 4:
Utilize the step process of blade casting mould casting low-melting alloy blade are as follows:
1, each face in cavity body of mould is cleared up, assembling is stand-by；
2, the alloy for weighing required weight, it is stand-by to clean surface dirt.
2, mold is placed in drying machine and is preheated, its thawing is made to alloy heating using electric jacket.Using thermocouple to two
Person carries out thermometric, controls mold, alloy molten solution to required temperature.
3, alloy molten solution surface impurity is removed, it is poured into mold rapidly, observes each face temperature of mold.Simultaneously to mold
Surface is cooled down, and the type of cooling may include air-cooled, water cooling.
4, reach it is specified open the mould time after, take out blade, observe blade surface quality.
Embodiment 5:
Forming method in embodiment 4 can also cast other metals (such as aluminium), plastics (such as one-component is fusible plastics, it is single,
Two-component rubber, polyurethane etc. it is pourable after cured material) etc. materials blade.
Utilize the step process of blade casting mould casting aluminum blades are as follows:
1, each face in cavity body of mould is cleared up, assembling is stand-by；
2, the aluminium for weighing required weight, it is stand-by to clean surface dirt.
2, mold is placed in drying machine and is preheated, its fusing is made to aluminium heating using electric heating compact vessel.Use thermocouple
Thermometric is carried out to the two, controls mold, aluminum melt to required temperature.
3, aluminum melt surface impurity is removed, it is poured into mold rapidly, observes each face temperature of mold.Simultaneously to mold table
Face is cooled down, and the type of cooling may include air-cooled, water cooling.
4, reach it is specified open the mould time after, take out blade, observe blade surface quality.
Utilize the step process of blade casting mould casting plastic blade are as follows:
1, each face in cavity body of mould is cleared up, assembling is stand-by；
2, the plastics for weighing required weight, it is stand-by to clean surface dirt.
2, mold is placed in drying machine and is preheated, its fusing is made to plastic heating using electric jacket.Using thermocouple to two
Person carries out thermometric, controls mold, plastics melt to required temperature.
3, plastics molten surface impurity is removed, using high-pressure extrusion by its rapidly injection mold, observes each face temperature of mold
Degree.Die surface is cooled down simultaneously, the type of cooling may include air-cooled, water cooling.
4, reach it is specified open the mould time after, take out blade, observe blade surface quality.
Above-mentioned, although the foregoing specific embodiments of the present invention is described with reference to the accompanying drawings, not protects model to the present invention
The limitation enclosed, those skilled in the art should understand that, based on the technical solutions of the present invention, those skilled in the art are not
Need to make the creative labor the various modifications or changes that can be made still within protection scope of the present invention.
Claims (8)
1. a kind of blade casting mould, characterized in that the upper die and lower die including upper and lower corresponding setting, the lower die and upper mold
Setting is used to form the first groove of blade lower edge part at cooperation；The upper mold includes the first upper mold of the corresponding setting in front and back
Component and the second upper die component have between first upper die component and the second upper die component and are used to form blade body part
Gap；The upper mold top is matched with cover board, and setting is used to form the of blade upper edge portion at cover board and upper mold cooperation
Two grooves；
First upper die component and the second upper die component middle section have the hollow gap for being used to form blade body part, institute
Gap is stated for moulding blade body thin-walled portion, the gap side is along the three-dimensional twisted extension of blade surface；
Second groove compatible with blade upper limb shape is arranged in the working face of the cover board；It is arranged on second groove
Several through-holes；
The lower die includes pedestal, and curved surface boss, the setting of curved surface boss working face and blade lower edge shape are installed on the pedestal
Compatible first groove of shape, curved surface boss are matched with upper mold；
Triangle Module is arranged in first upper die component and the edge of the second upper die component extreme higher position, before the Triangle Module includes
The the first triangle membrane module and the second triangle membrane module of corresponding setting afterwards.
2. blade casting mould as described in claim 1, characterized in that first groove is connected with lead channel.
3. blade casting mould as described in claim 1, characterized in that the highest position of the upper mold is equipped with and lower die
The running channel that first groove is connected.
4. blade casting mould as described in claim 1, characterized in that be equipped with and lower die at the outer boundary of the Triangle Module
The running channel that first groove is connected.
5. blade casting mould as described in claim 3 or 4, characterized in that setting is matched with running channel on the cover board
Third groove.
6. blade casting mould as described in claim 1, characterized in that set on the pedestal in curved surface boss and upper mold periphery
Multiple limit plates are set, be fixed connection between limit plate, and multiple limit plates and cover board cooperatively form enclosed construction.
7. utilizing the blade forming method of blade casting mould described in claim 1, characterized in that the following steps are included:
Step 1: cleaning each surface of blade casting mould component part, assembling blade casting mould is stand-by, in blade casting mould
Inner surface coats release agent；
Step 2: weighing cast raw material by setting demand, clear up cast raw material surface dirt, coat and demould on cast raw material surface
Agent；
Step 3: blade casting mould is placed in drying machine and is preheated, the temperature of blade casting mould is monitored using temperature measurement module,
Until set temperature, stops preheating；
Step 4: heating cast raw material makes its thawing form cast raw material solution, uses temperature measurement module monitoring cast raw material solution
Temperature stops heating until set temperature；
Step 5: cast raw material solution is poured into blade casting mould, monitors blade by removal cast raw material solution surface impurity
Each surface temperature of casting mould cools down blade casting mould surface；
Step 6: after the mould time is opened in arrival setting, taking out blade, observe blade surface quality.
8. application of the mold in the casting of low-melting alloy blade as described in claim 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610656971.0A CN106077506B (en) | 2016-08-11 | 2016-08-11 | A kind of blade casting mould and its application and blade forming method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610656971.0A CN106077506B (en) | 2016-08-11 | 2016-08-11 | A kind of blade casting mould and its application and blade forming method |
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| Publication Number | Publication Date |
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| CN106077506A CN106077506A (en) | 2016-11-09 |
| CN106077506B true CN106077506B (en) | 2019-06-07 |
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| CN106513615B (en) * | 2016-12-07 | 2018-07-17 | 重庆市合川区银窝铸造厂 | A kind of temperature sensing circuit applied to low temperature casting system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US4375282A (en) * | 1980-06-30 | 1983-03-01 | United Technologies Corporation | Core configuration for casting hollow parts in mating halves |
| DE10064268A1 (en) * | 2000-12-22 | 2002-07-04 | Alstom Switzerland Ltd | Tool and method for casting a molded part for the manufacture of a turbine blade |
| FR3006616B1 (en) * | 2013-06-05 | 2016-03-04 | Snecma | TURBOMACHINE WAVE PREFORM |
| CN204975220U (en) * | 2015-07-15 | 2016-01-20 | 湖北省天门泵业有限公司 | Open impeller blade shaping core assembly |
| CN205085349U (en) * | 2015-11-06 | 2016-03-16 | 武汉中精金属制品有限公司 | Impeller blade core and make mould thereof |
| CN205851809U (en) * | 2016-08-11 | 2017-01-04 | 山东豪迈机械科技股份有限公司 | A kind of blade casting mould |
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