CN108356244A - A kind of pouring device of bimetal roller housing - Google Patents
A kind of pouring device of bimetal roller housing Download PDFInfo
- Publication number
- CN108356244A CN108356244A CN201810407572.XA CN201810407572A CN108356244A CN 108356244 A CN108356244 A CN 108356244A CN 201810407572 A CN201810407572 A CN 201810407572A CN 108356244 A CN108356244 A CN 108356244A
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- Prior art keywords
- molten steel
- pouring cup
- mold base
- pouring
- casting
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D13/00—Centrifugal casting; Casting by using centrifugal force
- B22D13/10—Accessories for centrifugal casting apparatus, e.g. moulds, linings therefor, means for feeding molten metal, cleansing moulds, removing castings
- B22D13/107—Means for feeding molten metal
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D13/00—Centrifugal casting; Casting by using centrifugal force
- B22D13/02—Centrifugal casting; Casting by using centrifugal force of elongated solid or hollow bodies, e.g. pipes, in moulds rotating around their longitudinal axis
- B22D13/026—Centrifugal casting; Casting by using centrifugal force of elongated solid or hollow bodies, e.g. pipes, in moulds rotating around their longitudinal axis the longitudinal axis being vertical
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D19/00—Casting in, on, or around objects which form part of the product
- B22D19/08—Casting in, on, or around objects which form part of the product for building-up linings or coverings, e.g. of anti-frictional metal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D19/00—Casting in, on, or around objects which form part of the product
- B22D19/16—Casting in, on, or around objects which form part of the product for making compound objects cast of two or more different metals, e.g. for making rolls for rolling mills
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
- B22D27/08—Shaking, vibrating, or turning of moulds
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
- Continuous Casting (AREA)
Abstract
The invention discloses a kind of pouring devices of bimetal roller housing, including：Molten steel pouring cup, pouring cup supporting rack, casting die and mold base, molten steel pouring cup is erected on the pouring cup supporting rack, casting die is mounted on mold base, and casting die includes external mold and seamless pipe internal model, and roll housing casting space is formed between external mold and seamless pipe internal model；The bottom of molten steel pouring cup offers molten steel tapping hole, and molten steel tapping hole is located at the vertical direction of roll housing casting space；The first driving mechanism of driving molten steel pouring cup rotation is provided on pouring cup supporting rack；Alternatively, being provided with the second driving mechanism of driving mold base rotation below mold base；At least one high frequency microseism device is provided on mold base.By the way that high frequency microseism device is arranged, in short time in casting process and after the completion of casting, that mold and mold base generate high frequency microseism, the bubble floating generated when greatly alloy molten steel can cast and remove, enable to the slag inclusion in alloy molten steel constantly float and from riser exclusion.In this way, greatly increasing the quality and performance parameter of roll housing.
Description
Technical field
The present invention relates to metal roller technical field, more particularly to a kind of pouring device of bimetal roller housing.
Background technology
As milling train groundwork expendable part, all have on product quality, production efficiency etc. directly influences roll.It is logical
Often, bimetallic composite roll is assembled by roll housing and roll shaft core, by interference fit or other modes by two
Person tightly fits together.Wherein, very high to the performance requirement of roll housing, the performance requirement of roll housing is underproof
Words are easy to cause to collapse block cracking.
Existing bimetal roller housing is cast using punching block, and built-in low carbon steel pipe, well-established law pours into liquid alloy material,
It is allowed to reach metallurgical to conjunction state with built-in low carbon steel pipe.There is no any prevention product arranging for the defects of stomata and slag inclusion occur
It applies.So, it is easy to the defects of generating stomata and slag inclusion, to affect the total quality and performance of roll housing.
Currently, to solve the above problems, operated typically only by modified technique, but since technological process is too many, often
It is extremely difficult to final purpose.
In consideration of it, overcoming the defect present in the above-mentioned prior art, a kind of pouring device of bimetal roller housing is invented,
It is this field urgent problem to be solved so that can constantly remove bubble and slag inclusion in the casting process of roll housing.
Invention content
The technical problem to be solved in the present invention is to provide a kind of pouring devices of bimetal roller housing, can pour casting
In time the bubble of generation and molten steel slag inclusion are removed during roller housing.To solve the above-mentioned problems, the present invention provides
A kind of bimetal roller housing pouring device, its technical solution is as follows：
A kind of pouring device of bimetal roller housing of the present invention, the pouring device include：Molten steel pouring cup, casting
Cup supporting rack, casting die and mold base, the molten steel pouring cup is erected on the pouring cup supporting rack, described to pour mold
Tool is mounted on the mold base.The casting die includes external mold and seamless pipe internal model, the external mold and the seamless pipe
Roll housing casting space is formed between internal model；The bottom of the molten steel pouring cup offers molten steel tapping hole, and the molten steel pours
Blowhole is located at the vertical direction of the roll housing casting space.The driving molten steel is provided on the pouring cup supporting rack to pour
Cast the first driving mechanism of cup rotation；Alternatively, being provided with the second of the driving mold base rotation below the mold base
Driving mechanism.At least one high frequency microseism device is provided on the mold base.
The pouring device of the bimetal roller housing of the present invention, compared with pouring device in the prior art, by that can revolve
The molten steel pouring cup or rotatable casting die turned, the mobility of alloy molten steel is more preferable when can make casting, can avoid
The transition accumulation of alloy molten steel in some places, keeps the distribution of alloy molten steel more uniform；Bubble is avoided to be pressed simultaneously.Pass through
High frequency microseism device is set, is that mold and mold base generate high frequency in the short time in casting process and after the completion of casting
Microseism, the bubble floating generated when greatly alloy molten steel can be cast and remove, enable to the slag inclusion in alloy molten steel
It constantly floats and is excluded from riser.In this way, greatly increasing the quality and performance parameter of roll housing.
The improvement of pouring device as the above-mentioned bimetal roller housing of the present invention, the molten steel pouring cup by center
The vertical sectional shape of axis is w shapes, and offering 20~40 molten steel in the bottom of the molten steel pouring cup equidistant the pours
Blowhole.I.e. the center of molten steel pouring cup is in shape for lugs, the slot of annular is formed among pouring cup peripheral wall and protrusion, for accommodating
Alloy molten steel.The protrusion at center is truncated conical shape or top be hemisphere lower part is arc transition structure.In this way, alloy molten steel exists
It pours into after pouring cup, is squeezed to slot bottom so that pressure bigger, casting are more complete when alloy molten steel is cast.
Further, the center of the molten steel tapping hole towards the molten steel pouring cup is inclined opens up, and the molten steel pours
The middle axial direction of blowhole is in 15 °~35 ° with vertical direction.And the aperture of the molten steel tapping hole is cast for the roll housing
The 1/5~1/15 of space thickness.
Opened up towards center in this way, molten steel tapping hole is top-down so that when alloy molten steel is cast, alloy molten steel to
It closing for seamless pipe and pours leaching, the temperature of seamless pipe can be made to increase rapidly, so that liquid alloy molten steel and seamless pipe are more
It combines together well.
The further improvement of pouring device as the above-mentioned bimetal roller housing of the present invention, first driving mechanism
Including first bearing, revolving platform, the first driving gear and the first speed regulating motor, the revolving platform is installed by the first bearing
On the pouring cup supporting rack, first speed regulating motor is mounted on the side of the pouring cup supporting rack, first master
Moving gear is adapted setting with the grinding tooth of revolving platform periphery, and first speed regulating motor is driven by first driving gear
The dynamic revolving platform rotation.
Further, one first speed regulating motor and one is symmetrically respectively set in the both sides of the pouring cup supporting rack
A first driving gear, first speed regulating motor and first driving gear of both sides are double to revolving platform implementation
Driving.
It is logical by the way that first bearing, revolving platform, the first driving gear and the first speed regulating motor and the first speed regulating motor is arranged
The first driving gear driving revolving platform is crossed, revolving platform is erected at by first bearing on pouring cup supporting rack so that driving more saves
Power；And one the first speed regulating motor and first driving gear are symmetrically respectively set in the both sides of pouring cup supporting rack so that
The rotation of revolving platform is more steady.
The another of pouring device as the above-mentioned bimetal roller housing of the present invention improves, the second driving mechanism packet
Second bearing, the second driving gear and the second speed regulating motor are included, the second bearing supports the mold base in ground, described
Second speed regulating motor is coaxially disposed with the mold base, and second driving gear is set in a ring with the mold base bottom
The grinding tooth set is adapted setting, and second speed regulating motor drives the mold base to rotate by second driving gear.
In this way, the molten steel pouring cup being erected on pouring cup supporting rack does not rotate, by the rotation of mold, reach steel alloy
The same effect of water good fluidity in casting process.But molten steel pouring cup does not rotate so that cast more stable, further keeps away
Exempt from the risk that alloy molten steel splashes in casting.
The advantageous effect of the pouring device of bimetal roller housing provided by the invention is：
By rotatable molten steel pouring cup or rotatable casting die, the flowing of alloy molten steel when can make casting
Property it is more preferable, can avoid alloy molten steel in some places transition accumulation, keep the distribution of alloy molten steel more uniform；It avoids simultaneously
Bubble is pressed.
It is mold and mold in the short time in casting process and after the completion of casting by the way that high frequency microseism device is arranged
Pedestal generate high frequency microseism, the bubble floating generated when greatly alloy molten steel can be cast and remove, enable to alloy
Slag inclusion in molten steel constantly floats and is excluded from riser.In this way, greatly increasing the quality and performance parameter of roll housing.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, other are can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is the schematic diagram of the pouring device of first embodiment of the invention bimetal roller housing；
Fig. 2 is the schematic diagram of the pouring device of first embodiment of the invention bimetal roller housing.
It is marked in figure as follows：
1- molten steel pouring cups；2- pouring cup supporting racks；3- casting dies；4- mold bases；The first driving mechanisms of 5-；6-
Two driving mechanisms；7- high frequency microseism devices；11- molten steel tapping holes；31- external molds；32- seamless pipe internal models；The casting of 33- roll housings is empty
Between；51- first bearings；52- revolving platforms；The first driving gears of 53-；The first speed regulating motors of 54-；61- second bearings；62- second
Driving gear；The second speed regulating motors of 63-.
Specific implementation mode
In order to make those skilled in the art more fully understand the technical solution in the embodiment of the present invention, and make the present invention's
Above objects, features, and advantages can be more obvious and easy to understand, below in conjunction with the accompanying drawings makees the specific implementation mode of the present invention into one
The explanation of step.
It should be noted that being used to help understand the present invention for the explanation of these embodiments, but do not constitute
Limitation of the invention.In addition, as long as technical characteristic involved in the various embodiments of the present invention described below is each other
Between do not constitute conflict and can be combined with each other.
Embodiment one
Referring to FIG. 1, a kind of pouring device of bimetal roller housing of the present embodiment, the pouring device include：Molten steel
Pouring cup 1, pouring cup supporting rack 2, casting die 3 and mold base 4, molten steel pouring cup 1 are erected on pouring cup supporting rack 2,
Casting die 3 is mounted on mold base 4.
Casting die 3 includes external mold 31 and seamless pipe internal model 32, is formed outside roll between external mold 31 and seamless pipe internal model 32
Cover casting space 33；The bottom of molten steel pouring cup 1 offers molten steel tapping hole 11, and molten steel tapping hole 11 is located at the casting of roll housing
The vertical direction in space 33.
The first driving mechanism 5 of 1 rotation of driving molten steel pouring cup is provided on pouring cup supporting rack 2；It is set on mold base 4
It is equipped at least one high frequency microseism device 7.
Wherein, the first driving mechanism 5 includes first bearing 51, revolving platform 52, the first driving gear 53 and the first speed governing electricity
Machine 54, revolving platform 52 are mounted on by first bearing 51 on pouring cup supporting rack 2, and the first speed regulating motor 54 is mounted on pouring cup branch
The side of support 2, the grinding tooth of 52 periphery of the first driving gear 53 and revolving platform are adapted setting, and the first speed regulating motor 54 passes through the
One driving gear 53 drives revolving platform 52 to rotate.
Preferably, one the first speed regulating motor 54 and one first are symmetrically respectively set in the both sides of pouring cup supporting rack 2
Driving gear 53, the first speed regulating motor 54 and the first driving gear 53 of both sides carry out double drive to revolving platform 52.
The vertical sectional shape by central axis of molten steel pouring cup 1 is w shapes, equidistant in the bottom of molten steel pouring cup 1
Offers 20~40 molten steel tapping holes 11.It is highly preferred that offering 30 steel in the bottom of molten steel pouring cup 1 equidistant
Water tapping hole 11.
The center of molten steel tapping hole 11 towards molten steel pouring cup 1 is inclined to be opened up, the middle axial direction of molten steel tapping hole 11 with it is perpendicular
Histogram is in 15 °~35 °.It is highly preferred that the middle axial direction of molten steel tapping hole 11 is in 20 °~25 ° with vertical direction.
The aperture of molten steel tapping hole 11 is the 1/5~1/15 of 33 thickness of roll housing casting space.
The operation principle of the pouring device of the bimetal roller housing of the present embodiment is：
First, mold base 4 is clean, it checks its stability, casting die 3 is fixed on mold base 4
On, i.e., external mold 31 and seamless pipe internal model 32 are correspondingly mounted on mold base 4, adjust spacing to ensure roll housing
Casting space 33 is preset value.
Then, the position of molten steel pouring cup 1 is adjusted so that molten steel tapping hole 11 is located at roll housing casting space 33
Vertical direction；Alloy molten steel is poured into molten steel pouring cup 1, the first speed regulating motor 54 is opened, the first speed regulating motor 54 passes through
First driving gear 53 driving revolving platform 52 is slowly rotating in first bearing 51.Alloy molten steel in molten steel pouring cup 1 is with rain
The mode of leaching formula is cast in roll housing casting space 33.
Finally, when alloy molten steel is cast or after the completion of alloy molten steel is cast within 60 seconds, high frequency microseism is opened
Device 7, the vibrations of high frequency microseism device 7 enable air bubble in liquid alloy molten steel and slag inclusion rapidly to float up to riser, from
And remove these slag inclusions.The time that high frequency microseism device 7 is opened is 1~3 minute after the completion of casting.
Embodiment two
Referring to FIG. 2, a kind of pouring device of bimetal roller housing of the present embodiment, the pouring device include：Molten steel
Pouring cup 1, pouring cup supporting rack 2, casting die 3 and mold base 4, molten steel pouring cup 1 are erected on pouring cup supporting rack 2,
Casting die 3 is mounted on mold base 4.
Casting die 3 includes external mold 31 and seamless pipe internal model 32, is formed outside roll between external mold 31 and seamless pipe internal model 32
Cover casting space 33；The bottom of molten steel pouring cup 1 offers molten steel tapping hole 11, and molten steel tapping hole 11 is located at the casting of roll housing
The vertical direction in space 33.
4 lower section of mold base is provided with the second driving mechanism 6 that driving mold base 4 rotates；It is provided on mold base 4
At least one high frequency microseism device 7.
Wherein, the second driving mechanism 6 include second bearing 61, the second driving gear 62 and the second speed regulating motor 63, second
In ground, the second speed regulating motor 63 is coaxially disposed 61 support mode pedestal 4 of bearing with mold base 4, the second driving gear 62 with
The grinding tooth that 4 bottom of mold base is arranged in a ring is adapted setting, and the second speed regulating motor 63 is driven by the second driving gear 62
Mold base 4 rotates.
Preferably, the vertical sectional shape by central axis of molten steel pouring cup 1 is w shapes, in the bottom of molten steel pouring cup 1
Equidistant offers 20~40 molten steel tapping holes 11.It is highly preferred that being offered in the bottom of molten steel pouring cup 1 equidistant
30 molten steel tapping holes 11.
The center of molten steel tapping hole 11 towards molten steel pouring cup 1 is inclined to be opened up, the middle axial direction of molten steel tapping hole 11 with it is perpendicular
Histogram is in 15 °~35 °.It is highly preferred that the middle axial direction of molten steel tapping hole 11 is in 20 °~25 ° with vertical direction.
The aperture of molten steel tapping hole 11 is the 1/5~1/15 of 33 thickness of roll housing casting space.
The operation principle of the pouring device of the bimetal roller housing of the present embodiment is：
First, mold base 4 is clean, it checks its stability, casting die 3 is fixed on mold base 4
On, i.e., external mold 31 and seamless pipe internal model 32 are correspondingly mounted on mold base 4, adjust spacing to ensure roll housing
Casting space 33 is preset value.
Then, alloy molten steel is poured into molten steel pouring cup 1, opens the second speed regulating motor 63, the second speed regulating motor 63
Mold base 4 is driven to be slowly rotating in second bearing 61 by the second driving gear 62.Alloy molten steel in molten steel pouring cup 1
It is cast in a manner of rain type in roll housing casting space 33.
Finally, when alloy molten steel is cast or after the completion of alloy molten steel is cast within 60 seconds, high frequency microseism is opened
Device 7, the vibrations of high frequency microseism device 7 enable air bubble in liquid alloy molten steel and slag inclusion rapidly to float up to riser, from
And remove these slag inclusions.The time that high frequency microseism device 7 is opened is 1~3 minute after the completion of casting.
Each embodiment in this specification is described in a progressive manner, identical similar portion between each embodiment
Point just to refer each other, and the highlights of each of the examples are the differences with other embodiments.
Embodiments of the present invention are explained in detail above in association with attached drawing, but the present invention is not limited to described reality
Apply mode.To those skilled in the art, without departing from the principles and spirit of the present invention to these embodiments
The a variety of change, modification, replacement and modification carried out are still fallen within protection scope of the present invention.
Claims (7)
1. a kind of pouring device of bimetal roller housing, which is characterized in that the pouring device includes：Molten steel pouring cup (1),
Pouring cup supporting rack (2), casting die (3) and mold base (4), the molten steel pouring cup (1) are erected at the pouring cup branch
On support (2), the casting die (3) is mounted on the mold base (4),
The casting die (3) includes external mold (31) and seamless pipe internal model (32), the external mold (31) and the seamless pipe internal model
(32) roll housing casting space (33) is formed between；The bottom of the molten steel pouring cup (1) offers molten steel tapping hole (11),
The molten steel tapping hole (11) is located at the vertical direction of the roll housing casting space (33)；
The first driving mechanism (5) for driving molten steel pouring cup (1) rotation is provided on the pouring cup supporting rack (2)；Or
Person, mold base (4) lower section are provided with the second driving mechanism (6) for driving mold base (4) rotation；
At least one high frequency microseism device (7) is provided on the mold base (4).
2. the pouring device of bimetal roller housing according to claim 1, which is characterized in that the molten steel pouring cup
(1) the vertical sectional shape by central axis is w shapes, and 20 are offered in the bottom of the molten steel pouring cup (1) equidistant the
~40 molten steel tapping holes (11).
3. the pouring device of bimetal roller housing according to claim 2, which is characterized in that the molten steel tapping hole
(11) it is opened up towards the center of the molten steel pouring cup (1) is inclined, the middle axial direction of the molten steel tapping hole (11) and vertical side
To in 15 °~35 °.
4. the pouring device of bimetal roller housing according to claim 3, which is characterized in that the molten steel tapping hole
(11) aperture is the 1/5~1/15 of roll housing casting space (33) thickness.
5. the pouring device of bimetal roller housing according to any one of claim 1 to 4, which is characterized in that described
First driving mechanism (5) includes first bearing (51), revolving platform (52), the first driving gear (53) and the first speed regulating motor
(54), the revolving platform (52) is mounted on by the first bearing (51) on the pouring cup supporting rack (2), and described first adjusts
Speed motor (54) is mounted on the side of the pouring cup supporting rack (2), first driving gear (53) and the revolving platform
(52) peripheral grinding tooth is adapted setting, and first speed regulating motor (54) passes through described in first driving gear (53) driving
Revolving platform (52) rotates.
6. the pouring device of bimetal roller housing according to claim 5, which is characterized in that supported in the pouring cup
The both sides of frame (2) are symmetrically respectively arranged first speed regulating motor (54) and first driving gear (53), and two
First speed regulating motor (54) of side and first driving gear (53) carry out double drive to the revolving platform (52).
7. the pouring device of bimetal roller housing according to any one of claim 1 to 4, which is characterized in that described
Second driving mechanism (6) includes second bearing (61), the second driving gear (62) and the second speed regulating motor (63), second axis
Holding (61) supports the mold base (4) in ground, second speed regulating motor (63) with the mold base (4) is coaxial sets
It sets, second driving gear (62) is adapted setting with the grinding tooth that the mold base (4) bottom is arranged in a ring, and described
Two speed regulating motors (63) drive the mold base (4) to rotate by second driving gear (62).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810407572.XA CN108356244B (en) | 2018-05-02 | 2018-05-02 | Casting device for bimetal roller outer sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810407572.XA CN108356244B (en) | 2018-05-02 | 2018-05-02 | Casting device for bimetal roller outer sleeve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108356244A true CN108356244A (en) | 2018-08-03 |
| CN108356244B CN108356244B (en) | 2019-12-27 |
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ID=63011567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810407572.XA Active CN108356244B (en) | 2018-05-02 | 2018-05-02 | Casting device for bimetal roller outer sleeve |
Country Status (1)
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| CN (1) | CN108356244B (en) |
Cited By (4)
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|---|---|---|---|---|
| CN109513902A (en) * | 2018-11-28 | 2019-03-26 | 湖南四昉新材料有限公司 | A kind of processing method, processing unit (plant) and the bimetal roller set of bimetal roller set |
| CN109591259A (en) * | 2018-12-22 | 2019-04-09 | 苏州骏创模具工业有限公司 | A kind of automotive upholstery injection mold |
| CN112338150A (en) * | 2020-10-20 | 2021-02-09 | 宁夏朗盛精密制造技术有限公司 | Micro-seismic pouring process for pump valve steel castings |
| CN117324574A (en) * | 2023-10-25 | 2024-01-02 | 黄山众友耐磨材料有限公司 | Vacuum casting box and bimetal thermal composite casting technology based on same |
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