CN110102739A - The low-pressure casting process of planetary plate - Google Patents
The low-pressure casting process of planetary plate Download PDFInfo
- Publication number
- CN110102739A CN110102739A CN201910529895.0A CN201910529895A CN110102739A CN 110102739 A CN110102739 A CN 110102739A CN 201910529895 A CN201910529895 A CN 201910529895A CN 110102739 A CN110102739 A CN 110102739A
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- Prior art keywords
- molten aluminum
- linear guide
- planetary plate
- bar
- pressure casting
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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
- B22D1/00—Treatment of fused masses in the ladle or the supply runners before casting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D18/00—Pressure casting; Vacuum casting
- B22D18/04—Low pressure casting, i.e. making use of pressures up to a few bars to fill the mould
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The present invention relates to a kind of structures simply, convenient for operation, the low-pressure casting process of the good planetary plate of technical effect, the casting technique is before entering the molding of smelting furnace low pressure casting to molten aluminum, entrained air bubbles in molten aluminum and impurity are filtered bubble removing and impurity treatment by purification device, molten aluminum is made to guarantee that the gas being mingled in molten aluminum and impurity exclude completely when entering smelting furnace low pressure casting.The present invention can improve production efficiency, and compactness is good after planetary plate casting and forming, gas and impurity content greatly reduce by molten aluminum expanding unit.
Description
Technical field
The present invention relates to casting technology field more particularly to the low-pressure casting process of planetary plate.
Background technique
In industry manufacture, planetary plate device is common tilting member in various mechanical equipments, and planetary plate device is by going
Astrolabe, planetary plate bearing, welding connecting rod, piston and Piston volume tube are at planetary plate by guide plate due to being limited, planetary plate
It doing swing and moves reciprocatingly with piston, the planetary plate as made of aluminium material is light-weight, and is not easy to get rusty, therefore, industry
Planetary plate is often adopted and is constructed of aluminum in device fabrication, by abrasive tool moulding at planetary plate process flow after aluminum ingot melting
In, low pressure casting is often used, low pressure casting is the appropriate methodology for producing high quality Planet tray casting.Using low-pressure casting method
Production planet diskware has the following advantages: (1) filling that type is steady, can effectively reduce the oxidation of aluminium, gas content greatly reduces, casting
Oxide inclusion and the porosity it is very low；(2) it crystallizes under stress, the loose reduction of casting, compactness is good, is suitble to resistance to die casting
Part；(3) mold-filling capacity is strong, can cast thinner, more complicated casting；(4) with gravitational casting casting ratio, low pressure casting magnesium alloy member ruler
Very little precision is high, and required following process is few；(5) mechanical castings, especially anti-fatigue performance are significantly better than gravitational casting casting
Part；(6) automation control can be used, is produced in batches reproducible.
Although being filled using the planetary plate of low pressure casting, type is steady, can effectively reduce the oxidation of aluminium, and gas content subtracts significantly
Few, the oxide inclusion and the porosity of casting are very low, but enter before smelting furnace low pressure casting forms in molten aluminum and still press from both sides in molten aluminum
Miscellaneous bubble and impurity, molten aluminum, which enters when smelting furnace is handled by low pressure exhaust, still has portion gas and impurity to be mixed in molten aluminum, leads
Causing still have gas, stomata and impurity in the Planet tray casting of last casting and forming, Planet tray casting is loose, and compactness is poor, and
The equipment that molten aluminum low pressure currently on the market fills type planetary plate, production efficiency are low.
Summary of the invention
In view of the above-mentioned state of the art, technical problem to be solved by the present invention lies in provide a kind of structure it is simple,
Convenient for operation, the low-pressure casting process of the good planetary plate of technical effect, the casting technique is entering smelting furnace low pressure casting to molten aluminum
Before molding, entrained air bubbles in molten aluminum and impurity are filtered bubble removing and impurity treatment by purification device, make molten aluminum into
Guarantee that the gas being mingled in molten aluminum and impurity exclude completely when entering smelting furnace low pressure casting, finally makes densification after planetary plate casting and forming
Property it is good, gas and impurity content greatly reduce, and by molten aluminum expanding unit, improve production efficiency.
The technical scheme of the invention to solve the technical problem is:
The low-pressure casting process of planetary plate, includes the following steps:
A. aluminium ingot and foundry returns are put into smelting furnace and carry out thawing refining；
B. it will melt the molten aluminum after refining and be pipelined to molten aluminum bucket, start aluminum liquid purifying device, aluminum liquid purifying device is logical
It crosses the lifting device with spiral sector and protrudes into molten aluminum, and carry out comprehensive discharge nitrogen to molten aluminum, to reach complete
The bubble and impurity being mingled in molten aluminum in purification molten aluminum bucket；
C. it is to be cast the purified molten aluminum of bubble removing to be transported to pouring furnace inside holding by the siphonage of siphon piping；
D. it is passed through the inert gas of controllable pressure in pouring furnace, increase from pouring furnace conduit molten aluminum
Into molten aluminum expanding unit；
E. molten aluminum passes through molten aluminum expanding unit and fills type planetary plate grinding tool, after finally filling the molten aluminum cooled and solidified of type planetary plate grinding tool
Form Planet tray casting.
Further, the aluminum liquid purifying device in the step B, including lateral linear guide, longitudinal linear guide mould
Group, nitrogen gas conveying device, operating platform and molten aluminum bucket, the lateral linear guide left side slidable connection longitudinal direction linear guide
Mould group, the nitrogen gas conveying device are located on the left of longitudinal linear guide mould group, and the operating platform is located at nitrogen conveying dress
Left side, molten aluminum bucket position lower end on the right side of the lateral linear guide are set, the lateral linear guide right side is fixed
Locating rod, divider are installed and longitudinally rotate bar, the locating rod is fixedly mounted on lateral linear guide side, described
It longitudinally rotates bar upper end to connect by gear with the rotation axis gear on divider, the bar that longitudinally rotates passes through export-oriented bearing
It is mounted in lateral linear guide, described longitudinally rotates bar in hollow form, and lower end port is provided with first through hole, the longitudinal direction
Gas vent is provided on rotating bar bottom bar wall, the bar lower end that longitudinally rotates is connected with spiral sector, the spiral
Shape flabellum is located above gas vent, and the spiral sector is equipped with the second through-hole, second through-hole with longitudinally rotate
The hollow internal connection of bar, this kind of aluminum liquid purifying device protrude into molten aluminum by the lifting device with spiral sector, and to molten aluminum
Comprehensive discharge nitrogen is carried out, to reach the bubble being mingled in the molten aluminum being fully cleaned up in molten aluminum bucket.
Further, longitudinal linear guide mould group includes motor, longitudinal linear guide, straight-line guide rail slide block and limit
Position block, the motor are fixedly mounted on longitudinal linear guide upper end, the straight-line guide rail slide block can longitudinal sliding motion be mounted on
In longitudinal linear guide, the limited block is fixedly mounted in longitudinal linear guide.Using longitudinal linear guide mould group to
The lateral linear guide for reaching described can slide up and down, so that longitudinally rotating bar described in drive can slide up and down.
Further, the nitrogen gas conveying device includes nitrogen cylinder, pressure gauge, conduit and switch controller, described
Pressure gauge is equipped at nitrogen cylinder upper end, the conduit connects nitrogen cylinder port, by lateral linear guide, and described in insertion
The hollow inside of bar is longitudinally rotated, the switch controller is fixedly mounted on the conduit of nitrogen cylinder port.So as to
Enough inert gas is transported in the molten aluminum of molten aluminum bucket carries out purification molten aluminum.
Further, the molten aluminum bucket includes staving and idler wheel, and the idler wheel is located at staving lower end, the bucket
Body bore is greater than the diameter of the spiral sector, and there are four the idler wheels, is located at four angles at barrel bottom.Using band
The molten aluminum for having the molten aluminum bucket of idler wheel that needs is facilitated to process.
Further, siphon piping one end in the step C connects molten aluminum bucket, and the other end connects in pouring furnace, and
And purified molten aluminum in molten aluminum bucket is transported in pouring furnace by the siphonage of siphon piping.Using the rainbow of siphon piping
It will not be in molten aluminum producing bubbles inside in the recessed pouring furnace that suction effect conveys the molten aluminum after speech.
Further, the pouring furnace in the step D is connected with the pipeline that siphon piping, air inlet and molten aluminum rise,
The pipeline that the molten aluminum rises connects the molten aluminum expanding unit, and molten aluminum expanding unit described in the step E is in
Shape is round table-like, is in hollow cavity inside the molten aluminum expanding unit, and lower end round table surface is equipped with opening, the opening and casting
The connection of furnace conduit upper end, upper end round table surface are equipped with 12 fluid holes for going out molten aluminum, 12 fluid holes and planetary plate
Grinding tool connection.By molten aluminum expanding unit, production efficiency is improved.
Compared with the prior art, the advantages of the present invention are as follows:
The casting technique passes through purification dress before entering the molding of smelting furnace low pressure casting to molten aluminum, by entrained air bubbles in molten aluminum and impurity
It sets and is filtered bubble removing and impurity treatment, molten aluminum is made to guarantee in molten aluminum the gas that is mingled with and miscellaneous when entering smelting furnace low pressure casting
Matter excludes completely, purified molten aluminum is then transported to pouring furnace by the siphonage of siphon piping, and into pouring furnace
Convey inert gas makes molten aluminum go out molten aluminum by 12 liquid outlets on molten aluminum expanding unit by low pressure casting, then fills type
Planetary plate casting, finally waits planetary plate cooled and solidified to improve production efficiency by molten aluminum expanding unit in casting, and
Bubble removing and impurity treatment, such Planet tray casting compactness are carried out using planetary plate of the aluminum liquid purifying device to low pressure casting
Good, gas and impurity content greatly reduce.
Detailed description of the invention
Fig. 1 is technical process for casting figure of the invention；
Fig. 2 is the overall structure diagram of aluminum liquid purifying device of the invention；
Fig. 3 is the concrete mechanism schematic diagram of the spiral sector of aluminum liquid purifying device of the present invention；
The position Fig. 4 molten aluminum expanding unit concrete mechanism schematic diagram of the present invention；
The bottom view of the position Fig. 5 molten aluminum expanding unit of the present invention.
Specific embodiment
As shown in Figs. 1-5, the low-pressure casting process of planetary plate, includes the following steps:
A. aluminium ingot and foundry returns are put into smelting furnace and carry out thawing refining；
B. it will melt the molten aluminum after refining and be pipelined to molten aluminum bucket, start aluminum liquid purifying device, aluminum liquid purifying device is logical
It crosses the lifting device with spiral sector and protrudes into molten aluminum, and carry out comprehensive discharge nitrogen to molten aluminum, to reach complete
The bubble and impurity being mingled in molten aluminum in purification molten aluminum bucket；
C. it is to be cast the purified molten aluminum of bubble removing to be transported to pouring furnace inside holding by the siphonage of siphon piping；
D. it is passed through the inert gas of controllable pressure in pouring furnace, increase from pouring furnace conduit molten aluminum
Into molten aluminum expanding unit；
E. molten aluminum passes through molten aluminum expanding unit and fills type planetary plate grinding tool, after finally filling the molten aluminum cooled and solidified of type planetary plate grinding tool
Form Planet tray casting.
As shown in Figures 2 and 3, the aluminum liquid purifying device in the step B, including lateral linear guide 1, longitudinal straight line are led
Rail mould group, nitrogen gas conveying device, operating platform 2 and molten aluminum bucket 3, the 1 left side slidable connection of lateral linear guide are longitudinal
Linear guide mould group, the nitrogen gas conveying device are located on the left of longitudinal linear guide mould group, and the operating platform 2 is located at nitrogen
On the left of gas conveying device, the molten aluminum bucket 3 is located at the 1 right side lower end of lateral linear guide, and the lateral straight line is led
It is fixedly installed with locating rod 4, divider 5 on the right side of rail 1 and longitudinally rotates bar 6, the locating rod 4 is fixedly mounted on lateral straight line
1 side of guide rail, 4 upper end of bar that longitudinally rotates are connect by gear with the rotation axis gear on divider 5, the longitudinal direction
Rotating bar 4 passes through export-oriented bearing 7 and is mounted in lateral linear guide 1, and described longitudinally rotates bar 4 in hollow form, lower end port
It is provided with first through hole 8, described longitudinally rotating has been provided with gas vent 9 on 4 bottom bar wall of bar, described longitudinally rotates 6 lower end of bar
It is connected with spiral sector 10, the spiral sector 10 is located at 9 top of gas vent, and the spiral sector 10 is equipped with
Second through-hole 11, second through-hole 11 are connected to the hollow inside of bar 4 is longitudinally rotated, are rotated by spiral sector 10 to aluminium
Molten aluminum in liquid bucket 3 is purified, and increases the contact area of venthole and molten aluminum, and by way of rotation, so that aluminium
Bubble and impurity inside liquid are more thorough to be discharged, and longitudinal linear guide mould group includes motor 12, longitudinal straight line
Guide rail 13, straight-line guide rail slide block 14 and limited block 21, the motor 12 is fixedly mounted on longitudinal 13 upper end of linear guide, described
Straight-line guide rail slide block 14 can longitudinal sliding motion be mounted in longitudinal linear guide 13, the limited block 21 is fixedly mounted on longitudinal direction
In linear guide 13, enable the longitudinal sliding motion in the range under the effect of limited block 21 of lateral linear guide 1, the longitudinal sliding motion model
Enclose size and be equal to and longitudinally rotate bar and drop to 3 bottom end of molten aluminum bucket from highest point, the nitrogen gas conveying device include nitrogen cylinder 15,
Pressure gauge 16, conduit 17 and switch controller 18, pressure gauge 16 is equipped at 15 upper end of nitrogen cylinder, and the conduit 17 connects
Nitrogen cylinder port is connect, by lateral linear guide 1, and is inserted into the hollow inside for longitudinally rotating bar 4, the switch control
Device 18 processed is fixedly mounted on the conduit of 15 port of nitrogen cylinder, and the molten aluminum bucket 3 includes staving 19 and idler wheel 20, described
Idler wheel 20 be located at 19 lower end of staving, 19 bore of staving is greater than the diameter of the spiral sector 10, described
There are four idler wheels 20, is located at four angles at barrel bottom.Siphon piping one end in the step C connects molten aluminum bucket 3, another
In end connection pouring furnace, and purified molten aluminum in molten aluminum bucket is transported to by pouring furnace by the siphonage of siphon piping
Interior, the pouring furnace in the step D is connected with the pipeline that siphon piping, air inlet and molten aluminum rise, and the molten aluminum rises
The pipeline connection molten aluminum expanding unit 22, molten aluminum expanding unit 22 described in the step E is round table-like in shape is fallen,
It is in hollow cavity inside the molten aluminum expanding unit 22, lower end round table surface is equipped with opening, the opening and pouring furnace conduit
Upper end connection, upper end round table surface are equipped with 12 fluid holes 23 for going out molten aluminum, 12 fluid holes 23 and planet mill
Tool connection.
Aluminum liquid purifying device when specific operation, is first packed into suitable molten aluminum in the molten aluminum bucket 3, by the molten aluminum
Bucket 3 is slid by the idler wheel 20 at bucket bottom and longitudinally rotates 6 lower end of bar, and the spiral sector 10 is made to be directed at the molten aluminum bucket
3 opening adjusts the lateral linear guide 1, is positioned the lateral linear guide 1 by the locating rod 4, so
Afterwards by control this kind of aluminum liquid purifying device of starting of operating platform 2, the motor 12 of longitudinal linear guide mould group upper end is opened
It is dynamic, drive the straight-line guide rail slide block 14 to slide down, the straight-line guide rail slide block 14 drives the lateral linear guide 1
It slides down, due to the effect of the limited block 21 on longitudinal linear guide mould, the lateral linear guide 1 slides into limit down
Position block 21 stops, and the bar 4 that longitudinally rotates is fixedly mounted in lateral linear guide 1 by export-oriented bearing 7, therefore, laterally
While linear guide 1 is slided down, the bar 4 that longitudinally rotates also slides down to stopping at limited block 21, at this point, segmentation
Device 5 drives shaft gear rotation, and then gear drives the bar 6 that longitudinally rotates to rotate, and the bar 6 that longitudinally rotates drives institute
The spiral sector 10 stated rotates, meanwhile, operating platform 2 opens the switch controller 18 on nitrogen gas conveying device, and described leads
Pipe 17 connects nitrogen cylinder port, by lateral linear guide 1, and is inserted into the hollow inside for longitudinally rotating bar 4, nitrogen cylinder
Nitrogen in 15 passes through 17 supplying nitrogen of conduit under the effect of the pressure, longitudinally rotates 6 hollow portion of bar described in nitrogen inflow, most
Part nitrogen sprays downwards from first through hole 8 afterwards, and part nitrogen sprays around from gas vent 9, the spiral sector 10
It is equipped with the second through-hole 11, second through-hole 11 is connected to the hollow inside of bar 4 is longitudinally rotated, the spiral sector 10
Constantly rotation, part nitrogen spray downwards from the second through-hole 11 on the spiral sector 10 simultaneously, remove aluminium in spray nitrogen
During liquid bubble, the effect that the lateral linear guide 1 passes through longitudinal linear guide mould group drives the longitudinal direction to turn
The slow upward sliding of lever 6, and returning to original state is completed to the whole bubble removing and miscellaneous from top to bottom of molten aluminum in molten aluminum bucket 3
Matter purification, will finally fill purified molten aluminum and be transported to next process.
The casting technique passes through entrained air bubbles in molten aluminum and impurity net before entering the molding of smelting furnace low pressure casting to molten aluminum
Makeup, which is set, is filtered bubble removing and impurity treatment, and molten aluminum is made to guarantee the gas being mingled in molten aluminum when entering smelting furnace low pressure casting
It is excluded completely with impurity, purified molten aluminum is then transported to pouring furnace by the siphonage of siphon piping, and to casting
Conveying inert gas makes molten aluminum by 12 liquid outlets on molten aluminum expanding unit by low pressure casting in furnace, then fills type row
Astrolabe die casting finally waits planetary plate cooled and solidified to improve production efficiency by molten aluminum expanding unit in casting, and
And bubble removing and impurity treatment are carried out using planetary plate of the aluminum liquid purifying device to low pressure casting, such Planet tray casting is fine and close
Property is good, and gas content greatly reduces.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, it will be understood by those of skill in the art that it still can be right
Technical solution documented by foregoing embodiments is modified, or is replaced on an equal basis to part of technical characteristic；And this
It modifies or replaces, the spirit and model of technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution
It encloses.
Claims (7)
1. the low-pressure casting process of planetary plate, which comprises the steps of:
A. aluminium ingot and foundry returns are put into smelting furnace and carry out thawing refining；
B. it will melt the molten aluminum after refining and be pipelined to molten aluminum bucket, start aluminum liquid purifying device, aluminum liquid purifying device is logical
It crosses the lifting device with spiral sector and protrudes into molten aluminum, and carry out comprehensive discharge nitrogen to molten aluminum, to reach complete
The bubble being mingled in molten aluminum in purification molten aluminum bucket；
C. it is to be cast the purified molten aluminum of bubble removing to be transported to pouring furnace inside holding by the siphonage of siphon piping；
D. it is passed through the inert gas of controllable pressure in pouring furnace, increase from pouring furnace conduit molten aluminum
Into molten aluminum expanding unit；
E. molten aluminum passes through molten aluminum expanding unit and fills type planetary plate grinding tool, after finally filling the molten aluminum cooled and solidified of type planetary plate grinding tool
Form Planet tray casting.
2. the low-pressure casting process of planetary plate according to claim 1, which is characterized in that the molten aluminum in the step B
Purification device, including lateral linear guide (1), longitudinal linear guide mould group, nitrogen gas conveying device, operating platform (2) and molten aluminum
Bucket (3), lateral linear guide (1) the left side slidable connection longitudinal direction linear guide mould group, the nitrogen gas conveying device
On the left of longitudinal linear guide mould group, the operating platform (2) is located on the left of nitrogen gas conveying device, the molten aluminum bucket
(3) it is located at lower end on the right side of the lateral linear guide (1), is fixedly installed with positioning on the right side of the lateral linear guide (1)
It bar (4), divider (5) and longitudinally rotating bar (6), the locating rod (4) is fixedly mounted on lateral linear guide (1) side,
Bar (4) upper end that longitudinally rotates is connect by gear with the rotation axis gear on divider (5), and described longitudinally rotates bar
(4) it is mounted on lateral linear guide (1) by export-oriented bearing (7), described longitudinally rotates bar (4) in hollow form, lower end end
Mouth is provided with first through hole (8), and described longitudinally rotating has been provided with gas vent (9) on bar (4) bottom bar wall, and described longitudinally rotates
Bar (6) lower end is connected with spiral sector (10), and the spiral sector (10) is located above gas vent (9), the spiral shell
It revolves shape flabellum (10) and is equipped with the second through-hole (11), second through-hole (11) is connected to the hollow inside of bar (4) is longitudinally rotated.
3. the low-pressure casting process of planetary plate according to claim 2, which is characterized in that longitudinal linear guide mould
Group includes that motor (12), longitudinal linear guide (13), straight-line guide rail slide block (14) and limited block (21), the motor (12) are solid
Dingan County is mounted in longitudinal linear guide (13) upper end, the straight-line guide rail slide block (14) can longitudinal sliding motion be mounted on longitudinal straight line and lead
On rail (13), the limited block (21) is fixedly mounted on longitudinal linear guide (13).
4. the low-pressure casting process of planetary plate according to claim 3, which is characterized in that the nitrogen gas conveying device packet
Nitrogen cylinder (15), pressure gauge (16), conduit (17) and switch controller (18) are included, is equipped with pressure at the nitrogen cylinder (15) upper end
Power table (16), the conduit (17) connect nitrogen cylinder port, by lateral linear guide (1), and are inserted into the longitudinal direction and turn
The hollow inside of lever (4), the switch controller (18) are fixedly mounted on the conduit of nitrogen cylinder (15) port.
5. the low-pressure casting process of planetary plate according to claim 4, which is characterized in that the molten aluminum bucket (3) includes
Staving (19) and idler wheel (20), the idler wheel (20) are located at staving (19) lower end, and the staving (19) bore is greater than institute
The diameter for the spiral sector (10) stated, there are four the idler wheels (20), is located at four angles at barrel bottom.
6. the low-pressure casting process of planetary plate according to claim 1, which is characterized in that the siphon in the step C
Pipeline one end connects molten aluminum bucket, and the other end connects in pouring furnace, and will be net in molten aluminum bucket by the siphonage of siphon piping
Molten aluminum after change is transported in pouring furnace.
7. the low-pressure casting process of planetary plate according to claim 1, which is characterized in that the casting in the step D
Furnace is connected with the pipeline that siphon piping, air inlet and molten aluminum rise, and the pipeline connection that the molten aluminum the rises molten aluminum expands
Extending apparatus (22), molten aluminum expanding unit (22) described in the step E is in falling round table-like, the described molten aluminum expanding unit of shape
(22) internal is in hollow cavity, and lower end round table surface is equipped with opening, and the opening is connect with pouring furnace conduit upper end, upper end rotary table
Face is equipped with 12 fluid holes (23) for going out molten aluminum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910529895.0A CN110102739A (en) | 2019-06-19 | 2019-06-19 | The low-pressure casting process of planetary plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910529895.0A CN110102739A (en) | 2019-06-19 | 2019-06-19 | The low-pressure casting process of planetary plate |
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| CN110102739A true CN110102739A (en) | 2019-08-09 |
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| CN201910529895.0A Pending CN110102739A (en) | 2019-06-19 | 2019-06-19 | The low-pressure casting process of planetary plate |
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Citations (5)
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|---|---|---|---|---|
| GB108154A (en) * | 1916-07-15 | 1918-04-11 | Elias Straus | Improved Process and Apparatus for Casting Metals and other Substances in Moulds. |
| CN105290374A (en) * | 2014-07-25 | 2016-02-03 | 开平市水口镇华强水暖器材厂 | Die casting method of die-casting machine for low-pressure casting for aluminum bathroom faucet |
| CN206736325U (en) * | 2017-03-28 | 2017-12-12 | 宁波市北仑德邦模具技术有限公司 | Getter |
| CN208545477U (en) * | 2018-07-17 | 2019-02-26 | 无锡邦得机械有限公司 | A kind of aluminum anodizing depassing unit |
| CN208883958U (en) * | 2018-10-23 | 2019-05-21 | 南通众福新材料科技有限公司 | A kind of novel degassing machine |
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2019
- 2019-06-19 CN CN201910529895.0A patent/CN110102739A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB108154A (en) * | 1916-07-15 | 1918-04-11 | Elias Straus | Improved Process and Apparatus for Casting Metals and other Substances in Moulds. |
| CN105290374A (en) * | 2014-07-25 | 2016-02-03 | 开平市水口镇华强水暖器材厂 | Die casting method of die-casting machine for low-pressure casting for aluminum bathroom faucet |
| CN206736325U (en) * | 2017-03-28 | 2017-12-12 | 宁波市北仑德邦模具技术有限公司 | Getter |
| CN208545477U (en) * | 2018-07-17 | 2019-02-26 | 无锡邦得机械有限公司 | A kind of aluminum anodizing depassing unit |
| CN208883958U (en) * | 2018-10-23 | 2019-05-21 | 南通众福新材料科技有限公司 | A kind of novel degassing machine |
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| 向凌霄: "《原铝及其合金的熔炼与铸造》", 31 October 2005, 冶金工业出版社 * |
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Application publication date: 20190809 |
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