CN106077506A - A kind of blade casting mould and application thereof and blade forming method - Google Patents
A kind of blade casting mould and application thereof and blade forming method Download PDFInfo
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- CN106077506A CN106077506A CN201610656971.0A CN201610656971A CN106077506A CN 106077506 A CN106077506 A CN 106077506A CN 201610656971 A CN201610656971 A CN 201610656971A CN 106077506 A CN106077506 A CN 106077506A
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- blade
- casting mould
- mould
- groove
- cover plate
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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
- B22C9/22—Moulds for peculiarly-shaped castings
-
- 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 application thereof and blade forming method, including the upper die and lower die of upper and lower corresponding setting, described lower mold is provided for being formed the first groove of blade lower edge part with the upper mold place of cooperation；Described upper mold includes the first upper die component and second upper die component of corresponding setting front and back, has the space for forming blade body part between described first upper die component and the second upper die component；Matching with cover plate in described upper mold top, cover plate is provided for being formed the second groove of blade upper edge portion with the upper mold place of cooperation.The present invention passes through upper and lower mould, the cooperation of cover plate piecemeal, it is possible to realize the making for three-dimensional twisted blade.The forming method of the present invention, makes die surface keep uniform temperature, makes high temperature solution, it is possible to after liquid is full of die space, the most quickly cooling, and its blade forming quality is good, and surface defect is low.
Description
Technical field
The invention belongs to casting field, relate to a kind of for the blade casting mould with leaf product, be specifically related to one
Plant blade casting mould and application thereof and blade forming method.
Background technology
In the manufacture process with leaf product, especially in the manufacture process of enclosed impeller.Its blade position, past
Toward in three-dimensional twisted shape, using the mode of direct mechanical processing to manufacture, difficulty is very big, even cannot process.
Existing blade manufacture method, is arranged to blade shape by mould and is molded.But at casting complex shape
During the most three-dimensional twisted blade of the blade of shape, mould is provided directly as blade shape highly difficult.Because this is by blade
The difficulty of casting is transformed into the difficulty of mould processing.Casting relative to blade, the course of processing of mould is more complicated to be difficult to control to.
The mould of blade is all to need to arrange the hole matched with blade shape in mould structure, when blade shape complexity,
The hole of the internal manufacturing complex shapes of blade mold is extremely difficult, the most indirectly adds the difficulty of blade casting processing；
The structure that existing blade mold or employing upper and lower mould match, although the structure that upper and lower mould coordinates can be by leaf
The shape of sheet is divided into two parts, makes the groove of adhered shape respectively, but the most three-dimensional twisted blade is perpendicular on upper and lower mould
Shape in plane and transverse plane is the most more complicated, so when upper and lower mould makes the groove of laminating blade shape the most very
Difficulty, and the structure of blade the most all can possess upper limb and lower edge, and this is accomplished by inside upper and lower mould processing the sky matched
Gap, it is unworkable for will processing space inside a modular construction, it is impossible to realize processing to mould itself, and then also without
Method realizes the casting to blade and processes.
During owing to making low-melting alloy blade, need to be cast in mould the aluminium alloy of fusing, need in the process
It is noted that the parameters such as aluminium alloy temperature, mould temperature, cooling.As too low in aluminium alloy cast temperature, mold temperature is too low may water not
Foot, cold shut；Cast temperature is too high, mold temperature is too high, rate of cooling is the least it is possible that surface microstructure is thick, any surface finish
It is poor to spend.
Summary of the invention
It is an object of the invention to as overcoming above-mentioned the deficiencies in the prior art, it is provided that a kind of blade casting mould, by mould
Tool carries out piecemeal setting, cooperates between each piecemeal, it is possible to well make three-dimensional twisted blade or leaf model.
Also provide for the application in low-melting alloy blade casts of this blade mold, be applied to this blade mold to manufacture low
On melting alloy blade, by mould is carried out piecemeal setting, cooperate between each piecemeal, it is possible to well make three-dimensional and turn round
Bent low-melting alloy blade.
Also provide for a kind of forming method utilizing this blade mold, during the method, make die surface keep a constant temperature
Degree, makes high temperature solution quickly cool down after full die space, and the leaf quality utilizing this forming method to make is good, surface defect
Few.
For achieving the above object, the present invention uses following technical proposals:
A kind of blade casting mould, including the upper die and lower die of upper and lower corresponding setting, described lower mold coordinates place with upper mold
It is provided for being formed the first groove of blade lower edge part；Described upper mold include before and after corresponding setting the first upper die component and
Second upper die component, has the sky for forming blade body part between described first upper die component and the second upper die component
Gap；Matching with cover plate in described upper mold top, cover plate is provided for the upper mold place of cooperation forming the second recessed of blade upper edge portion
Groove.Form the lower edge part of blade by arranging the first groove in lower mold, form leaf by the cover board arranging the second groove
The upper edge portion of sheet, is divided into two parts composition by upper mold, arranges space and formed between the first upper die component and the second upper die component
Blade body part, and upper die and lower die, cover plate are provided separately, the first upper die component and the second upper die component are provided separately,
Can well arrange to be formed the structure of blade part in every part, mould itself is easily worked making.
Described lower mold includes base, and described base is installed with curved surface boss, and curved surface boss work surface is arranged and under blade
Described first groove that edge shape is suitable, curved surface boss matches with upper mold；Curved surface boss is provided for form blade
First groove of lower edge, processes the first groove on curved surface boss, and the course of processing is simple.
Further, the shape of working surface of described curved surface boss and the shape of the first groove floor are suitable；Curved surface is convex
Platform upper surface is shaped to the extended surface of the shape with blade lower edge, greatly reduces the difficulty being processed the first groove,
The most more can guarantee that the shape of the first groove is suitable with blade lower edge shape simultaneously.
Further, described first groove is connected with lead channel；Casting liquation is entered the first groove, shape by lead channel
Become blade lower edge.
Described cover plate work surface arranges described second groove suitable with blade upper limb shape；Second groove is located at lid
Plate lower surface, from coordinating between cover plate with upper mold, forms blade upper limb.
Further, the shape of working surface of described cover plate and the shape of the second groove floor are suitable；By cover plate lower surface
It is shaped to the extended surface of shape with blade upper limb, greatly reduces the difficulty that the second groove is processed, the most more
Can guarantee that the shape of the second groove is suitable with blade upper limb shape.
Preferably, described second groove arranges several through holes；For indicating the liquid level of mould inside liquid, with
Time can collect slag, the impurity that will record in liquid floats in surface and hole.
Described upper mold coordinates the bottom shape at place suitable with curved surface boss shape of working surface with lower mold；Make upper die and lower die
Well cooperate, ensure that upper die and lower die connect at cooperation the tightst simultaneously.
Further, described upper mold upper surface shape is suitable with cover plate shape of working surface；Make upper mold and cover plate good
Cooperate, ensure that upper mold and cover plate connect at cooperation the tightst simultaneously.
Further, the highest position of described upper mold is provided with the running channel that the first groove with lower mold is connected；By running channel
Place pours into a mould, and casting liquation is along running channel moulding by casting by the first groove in the lower mold of mold bottom, it is ensured that molding
Being smoothed out of journey.
Preferably, the edge of described first upper die component and the second upper die component extreme higher position arranges Triangle Module, described
Triangle Module includes the first Triangle Module assembly and the second Triangle Module assembly of corresponding setting front and back；Triangle Module is positioned at cast gate, and
Constitute a part for running channel, be easy to remove cast gate, form removal after low-melting alloy solidifies.
The running channel that the first groove with lower mold is connected it is provided with at the external boundary of described Triangle Module；Watered by running channel
Note, casting liquation is along running channel moulding by casting by the first groove in the lower mold of mold bottom, it is ensured that forming process smooth
Carry out.
The 3rd groove matched with running channel is set on described cover plate；Being carried out cast by the 3rd groove on cover plate can be complete
Become whole casting process, it is not necessary to open cover plate, it is ensured that the sealing of mould inside.
Arranging multiple limiting plate at curved surface boss and upper mold periphery on described base, be fixed between limiting plate connection,
Multiple limiting plates and cover plate cooperatively form enclosed construction；Close with between limiting plate and base, cover plate, form cast moulding
Chamber, by upper die and lower die in casting mold cavity and coordinating of cover plate realizing the processing of the casting to blade.
The forming method of a kind of blade, comprises the following steps:
Step 1: the cleaning each surface of blade casting mould ingredient, assembles blade casting mould stand-by, casts at blade
Mould inner surface coating releasing agent；
Step 2: weigh cast raw material by setting demand, clears up cast raw material surface dirt；
Step 3: preheat in blade casting mould is placed in drying machine, uses the temperature of temperature measurement module monitoring blade casting mould
Degree is until setting and requiring that temperature stops preheating；
Step 4: heating cast raw material makes it melt formation cast raw material solution, uses temperature measurement module monitoring cast raw material molten
The temperature of liquid, until setting and requiring temperature, stops heating；
Step 5: remove cast raw material solution surface impurity, cast raw material solution is poured in blade casting mould, monitoring
The each surface temperature of blade casting mould, cools down blade casting mould surface；
Step 6: after the mould time is opened in arrival setting, take out blade, observe blade surface quality.
The invention have the benefit that
1, the present invention passes through upper and lower mould, the cooperation of cover plate piecemeal, it is possible to realize the making for three-dimensional twisted blade.
2, the forming method of the present invention, makes die surface keep uniform temperature, enables high temperature solution empty at full mould
Quickly cooling after between, the leaf quality utilizing this forming method molding is good, few surface defects.
3, inventive die piecemeal is reasonable, manufactures easy to process, and meanwhile, mould decomposes convenient, will not in opening mold process,
Damage is brought on formed blades surface in mould.
4, running channel is arranged on side by inventive die, it is ensured that liquation cooling Forming Quality in mould, will not be blade master
Extra material is increased on body.
Accompanying drawing explanation
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 embodiment 1 upper die and lower die；
Fig. 4 is the structural representation of cover plate；
Fig. 5 is the cooperation schematic diagram of embodiment 2 upper die and lower die；
Fig. 6 is the structural representation of limiting plate；
Fig. 7 is the structural representation of angle mould；
Fig. 8 is the blade construction schematic diagram that casting is formed；
In figure, 1 is lower mold, and 2 is the first upper die component, and 3 is the second upper die component, and 4 is space, and 5 is running channel, and 6 is base,
7 is curved surface boss, and 8 is the first groove, and 9 is lead channel, and 10 is cover plate, and 11 is the first limiting plate, and 12 is the second limiting plate, and 13 are
3rd limiting plate, 14 is the 4th limiting plate, and 15 is draw-in groove, and 16 is the 3rd groove, and 17 is the second groove, and 18 is through hole, and 19 is three
Angle mould, 20 is the first Triangle Module assembly, and 21 is the second Triangle Module assembly, and 22 is draw-in groove, and 23 is upper limb, and 24 is lower edge, and 25 is main
Body.
Detailed description of the invention
The present invention is further described with embodiment below in conjunction with the accompanying drawings.
Embodiment 1:
As shown in Figure 1-Figure 3, a kind of blade casting mould, including the upper die and lower die 1 of upper and lower corresponding setting, lower mold 1
It is provided for being formed the first three-dimensional twisted groove 8 of blade lower edge part with the upper mold place of cooperation；Upper mold is corresponding before and after including
The first upper die component 2 and the second upper die component 3 arranged, the interface two ends patch of the first upper die component 2 and the second upper die component 3
Closing, the first upper die component 2 and the second upper die component 3 mid portion have the space 4 of the hollow for forming blade body part,
For moulding blade body thin-walled portion, its hollow spaces face is along the three-dimensional twisted extension of blade surface；Upper mold top and cover plate 10
Matching, cover plate 10 is provided for being formed the second groove 17 of blade upper edge portion with the upper mold place of cooperation, in order to mould blade
Upper limb.The lower edge part of blade is formed, by arranging the second groove on cover plate 10 by arranging the first groove 8 in lower mold 1
17 upper edge portion forming blade, are divided into upper mold two parts composition, set between the first upper die component 2 and the second upper die component 3
It is empty gap 4 and forms blade body part, and upper die and lower die, cover plate are provided separately, by module on the first upper die component and second
Part is provided separately, and can well arrange to be formed the structure of blade part in every part, and mould is easily worked itself
Make.Upper mold is divided into the first upper die component 2 and the second upper die component 3 facilitate form removal.
On base 6, multiple limiting plate, first limiting plate the 11, second limiting plate 12 are set at curved surface boss 7 and upper mold periphery
3rd limiting plate 13 and the 4th limiting plate 14, first limiting plate the 11, second limiting plate 12 is symmetrical arranged, the 3rd limiting plate 13 and
Four limiting plates 14 are symmetrical arranged, and be fixed between limiting plate connection, and multiple limiting plates and cover plate 10 cooperatively form enclosed construction；
Close with between limiting plate and base, cover plate, form casting mold cavity, by upper die and lower die in casting mold cavity and cover plate
Coordinate and realize the processing of the casting to blade.Limiting plate and curved surface boss are provided separately, facilitate form removal.
The shape of curved surface boss 7 and upper mold is adjusted according to the shape of impeller, blade, and shape setting principle is to hamper
Hinder the blade demoulding.
As shown in Figure 6, the sidepiece of the 3rd limiting plate 13 and the 4th limiting plate 14 is respectively provided with draw-in groove 15, the 3rd limiting plate 13 He
The opposite side of the 4th limiting plate 14 is respectively provided with draw-in groove 22, and the first limiting plate 11 and the second limiting plate 12 plug together at the 3rd limiting plate 13
With on the draw-in groove 22 of the 4th limiting plate 14, the 3rd limiting plate 13 and the 4th limiting plate 14 at the draw-in groove 15 of sidepiece by stud,
Bolt connects.
As in figure 2 it is shown, lower mold 1 includes base 6, base 6 is installed with curved surface boss 7, curved surface boss 7 upper surface arrange with
Described first groove 8 that blade lower edge shape is suitable, curved surface boss 7 matches with upper mold；Curved surface boss 7 is provided for
Forming the first groove 8 of blade lower edge, process the first groove 8 on curved surface boss 7, the course of processing is simple.Shown in Fig. 2
Curved surface boss 7 upper surface be curved surface boss 7 work surface.
The upper surface shape of curved surface boss 7 is suitable with the shape of the first groove 8 bottom surface；By curved surface boss 7 upper surface
One groove location is shaped to the extended surface of the bottom surface of blade lower edge, greatly reduces the difficulty being processed the first groove 8
Degree, the most more can guarantee that the shape of the first groove 8 is suitable with blade lower edge shape simultaneously.
First groove 8 is connected with lead channel 9；Entered the first groove 8 by lead channel 9 casting liquation, form blade.
As shown in Figure 4, cover plate 10 lower surface arranges second groove 17 suitable with blade upper limb shape；By the second groove
17 are located at cover plate 10 lower surface, from coordinating between cover plate 10 and upper mold, form blade upper limb.Cover plate shown in Fig. 4 10 times
Surface is cover plate 10 work surface.
The underside shape of cover plate 10 and the shape of the second groove 17 bottom surface are suitable；By cover plate 10 lower surface the second groove
Position be shaped to the extended surface of end face of blade upper limb, greatly reduce the difficulty that the second groove is processed, with
Time the most more can guarantee that the shape of the second groove is suitable with blade upper limb shape.
Arranging several through holes 18 on second groove 17, through hole 18 quantity is more than or equal to 1；For mould inside liquid will be indicated
The liquid level of body, can collect slag simultaneously, the impurity that will record in liquid float in surface and hole.
As it is shown on figure 3, the bottom shape that upper mold coordinates place with lower mold 1 is suitable with curved surface boss 7 upper surface shape；Make
Mould and lower mold well cooperate, and ensure that upper die and lower die connect at cooperation the tightst simultaneously.
First upper die component 2 and the second upper die component 3 upper surface are warp surface.
Upper mold upper surface shape is suitable with cover plate 10 underside shape；Upper mold and cover plate is made well to cooperate, with
Time to ensure that upper mold and cover plate connect at cooperation the tightst.The upper surface of upper mold is the work surface of upper mold.
The highest position of upper mold is provided with the running channel 5 that the first groove 8 with lower mold is connected, and running channel 5 optimum selection is vertical
Straight arranging, can save liquation, and reduce the distance of trickling, reduce the cooling in flow process, running channel 5 extends to bottom and feed liquor
Groove 9 connects；Being poured into a mould by running channel 5, casting liquation is poured into a mould by the first groove in the lower mold of mold bottom along running channel
Molding, it is ensured that being smoothed out of forming process.
The 3rd groove 16 matched with running channel 5 is set on cover plate 10；Ensure in casting process without opening cover plate
Operate, the 3rd groove 16 on cover plate carry out cast and can complete whole casting process, it is ensured that mould inside close
Feng Xing.
As shown in Figure 8, the low-melting alloy blade of molding includes upper limb 23, lower edge 24, main body 25.
Embodiment 2:
As shown in figure 5 and figure 7, do not fit in one end of the first upper die component 2 and the second upper die component 3, module on first
The edge of part 2 and the second upper die component 3 extreme higher position arranges Triangle Module 19, Triangle Module 19 include before and after corresponding setting the
One Triangle Module assembly 20 and the second Triangle Module assembly 21, the first Triangle Module assembly 20 and the second Triangle Module assembly 21 fit；Three
Angle mould is positioned at cast gate, and constitutes a part for running channel, is easy to remove cast gate, form removal after low-melting alloy solidifies.
Be provided with at the 3rd limiting plate 13 at the external boundary of Triangle Module 19 that the first groove 8 with lower mold 1 is connected waters
Road 5；Poured into a mould by running channel 5, casting liquation along running channel moulding by casting by the first groove in the lower mold of mold bottom,
Ensure being smoothed out of forming process.
Embodiment 3:
The forming method of a kind of blade, comprises the following steps:
Step 1: the cleaning each surface of blade casting mould ingredient, assembles blade casting mould stand-by, casts at blade
Mould inner surface coating releasing agent；
Step 2: weigh cast raw material by setting demand, clears up cast raw material surface dirt；
Step 3: preheat in blade casting mould is placed in drying machine, uses the temperature of temperature measurement module monitoring blade casting mould
Degree is until setting and requiring that temperature stops preheating；
Step 4: heating cast raw material makes it melt formation cast raw material solution, uses temperature measurement module monitoring cast raw material molten
The temperature of liquid is until setting and requiring that temperature stops heating；
Step 5: remove cast raw material solution surface impurity, cast raw material solution is poured in blade casting mould, monitoring
The each surface temperature of blade casting mould, cools down blade casting mould surface；
Step 6: after the mould time is opened in arrival setting, take out blade, observe blade surface quality.
Embodiment 4:
The step process utilizing blade casting mould to cast low-melting alloy blade is:
1, cleaning cavity body of mould in each, assemble stand-by；
2, weigh the alloy of required weight, clean surface dirt stand-by.
2, preheat in mould is placed in drying machine, utilize electric jacket to make it melt alloy heating.Use thermocouple to two
Person carries out thermometric, controls mould, alloy molten solution to temperature required.
3, remove alloy molten solution surface impurity, it is poured into rapidly in mould, observe each surface temperature of mould.Simultaneously to mould
Surface cools down, and its type of cooling can include air-cooled, water-cooled.
4, after the mould time is opened in arrival appointment, take out blade, observe blade surface quality.
Embodiment 5:
Forming method in embodiment 4 can also cast other metals (such as aluminum), plastics (plastics as fusible in one-component, single,
The material of solidification after double-component rubber, polyurethane etc. are pourable) etc. the blade of material.
The step process utilizing blade casting mould to cast aluminum blades is:
1, cleaning cavity body of mould in each, assemble stand-by；
2, weigh the aluminum of required weight, clean surface dirt stand-by.
2, preheat in mould is placed in drying machine, utilize electric heating compact vessel to make it melt aluminum heating.Use thermocouple
Both are carried out thermometric, controls mould, aluminum melt to temperature required.
3, remove aluminum melt surface impurity, it is poured into rapidly in mould, observe each surface temperature of mould.Simultaneously to mould table
Face cools down, and its type of cooling can include air-cooled, water-cooled.
4, after the mould time is opened in arrival appointment, take out blade, observe blade surface quality.
The step process utilizing blade casting mould to cast plastic blade is:
1, cleaning cavity body of mould in each, assemble stand-by；
2, weigh the plastics of required weight, clean surface dirt stand-by.
2, preheat in mould is placed in drying machine, utilize electric jacket to make it melt plastic heating.Use thermocouple to two
Person carries out thermometric, controls mould, plastics liquation to temperature required.
3, remove plastics liquation surface impurity, use high-pressure extrusion it to be injected rapidly in mould, observe each temperature of mould
Degree.Cooling down die surface, its type of cooling can include air-cooled, water-cooled simultaneously.
4, after the mould time is opened in arrival appointment, take out blade, observe blade surface quality.
Although the detailed description of the invention of the present invention is described by the above-mentioned accompanying drawing that combines, but not the present invention is protected model
The restriction enclosed, one of ordinary skill in the art should be understood that on the basis of technical scheme, and those skilled in the art are not
Need to pay various amendments or deformation that creative work can make still within protection scope of the present invention.
Claims (12)
1. a blade casting mould, is characterized in that, including the upper die and lower die of upper and lower corresponding setting, described lower mold and upper mold
It is provided for being formed the first groove of blade lower edge part at cooperation；Described upper mold includes the first upper mold of corresponding setting front and back
Assembly and the second upper die component, have for forming blade body part between described first upper die component and the second upper die component
Space；Matching with cover plate in described upper mold top, cover plate is provided for the upper mold place of cooperation forming the of blade upper edge portion
Two grooves.
2. blade casting mould as claimed in claim 1, is characterized in that, described lower mold includes base, fixed on described base
Having curved surface boss, curved surface boss work surface arranges described first groove suitable with blade lower edge shape, and curved surface boss is with upper
Mould matches.
3. blade casting mould as claimed in claim 1 or 2, is characterized in that, described first groove is connected with lead channel.
4. blade casting mould as claimed in claim 1, is characterized in that, the work surface of described cover plate is arranged and blade upper limb shape
Described second groove that shape is suitable.
5. the blade casting mould as described in claim 1 or 4, is characterized in that, described second groove arranges several through holes.
6. blade casting mould as claimed in claim 1, is characterized in that, the highest position of described upper mold is provided with and lower mold
The running channel that first groove is connected.
7. blade casting mould as claimed in claim 1, is characterized in that, described first upper die component and the second upper die component are
The edge of high position arranges Triangle Module, and described Triangle Module includes the first Triangle Module assembly and the two or three of corresponding setting front and back
Angle mould assembly.
8. blade casting mould as claimed in claim 7, is characterized in that, be provided with and lower mold at the external boundary of described Triangle Module
The running channel that first groove is connected.
9. the blade casting mould as described in claim 6 or 8, is characterized in that, on described cover plate, setting matches with running channel
3rd groove.
10. blade casting mould as claimed in claim 2, is characterized in that, in curved surface boss and upper mold periphery on described base
Arranging multiple limiting plate, be fixed between limiting plate connection, and multiple limiting plates and cover plate cooperatively form enclosed construction.
The 11. blade forming methods utilizing the blade casting mould described in claim 1, is characterized in that, comprise the following steps:
Step 1: the cleaning each surface of blade casting mould ingredient, assembles blade casting mould stand-by, at blade casting mould
Inner surface coating releasing agent；
Step 2: weigh cast raw material by setting demand, clears up cast raw material surface dirt, in the cast raw material surface-coated demoulding
Agent；
Step 3: preheat in blade casting mould is placed in drying machine, uses the temperature of temperature measurement module monitoring blade casting mould,
Until design temperature, stop preheating；
Step 4: heating cast raw material makes it melt formation cast raw material solution, uses temperature measurement module monitoring cast raw material solution
Temperature, until design temperature, stops heating；
Step 5: remove cast raw material solution surface impurity, poured into by cast raw material solution in blade casting mould, monitors blade
The each surface temperature of casting mould, cools down blade casting mould surface；
Step 6: after the mould time is opened in arrival setting, take out blade, observe blade surface quality.
The application in low-melting alloy blade casts of 12. moulds as described in claim 1-10.
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| 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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| 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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| CN106077506B CN106077506B (en) | 2019-06-07 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106513615A (en) * | 2016-12-07 | 2017-03-22 | 重庆市合川区银窝铸造厂 | Temperature detecting circuit applied to low-temperature casting system |
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