CN110576169A - automobile engine cylinder block die casting die - Google Patents
automobile engine cylinder block die casting die Download PDFInfo
- Publication number
- CN110576169A CN110576169A CN201911020650.1A CN201911020650A CN110576169A CN 110576169 A CN110576169 A CN 110576169A CN 201911020650 A CN201911020650 A CN 201911020650A CN 110576169 A CN110576169 A CN 110576169A
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- die
- face
- automobile engine
- casting
- groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004512 die casting Methods 0.000 title claims abstract description 51
- 238000007789 sealing Methods 0.000 claims description 30
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 claims description 13
- 238000002347 injection Methods 0.000 claims description 10
- 239000007924 injection Substances 0.000 claims description 10
- 238000010586 diagram Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
- B22D17/2227—Die seals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
- B22D17/2272—Sprue channels
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention discloses a die casting die for an automobile engine cylinder, which comprises a lower mounting seat, wherein a lower die is fixedly mounted on the upper end surface of the lower mounting seat, a die core is arranged on the upper end surface of the lower die, an upper mounting seat is arranged above the lower die, an upper die is fixedly mounted on the lower end surface of the upper mounting seat, and a die cavity is arranged on the lower end surface of the upper die. The service life of the sprue bush is short, and the sprue bush is easy to damage, so that the quality of a die-casting product is influenced.
Description
Technical Field
The invention relates to the technical field of die-casting molds, in particular to a die-casting mold for an automobile engine cylinder body.
Background
The automobile engine is a device for providing power for automobiles, is the heart of the automobiles, determines the dynamic property, the economical efficiency, the stability and the environmental protection property of the automobiles, can be divided into a diesel engine, a gasoline engine, an electric automobile motor, hybrid power and the like according to different power sources, common gasoline engines and diesel engines belong to reciprocating piston type internal combustion engines, chemical energy of fuel is converted into mechanical energy of piston motion and output power to the outside, the gasoline engines are high in rotating speed, low in mass, low in noise, easy to start, low in manufacturing cost, large in compression ratio of the diesel engines, high in thermal efficiency, and better in economic performance and emission performance than the gasoline engines.
The automobile engine cylinder block is large in pressure and heat born during operation, the bearing capacity and the service life of the cylinder block can be effectively improved through die-casting, most of the existing automobile engine cylinder block die-casting dies are low in die-casting quality and unsmooth in exhaust, the problems of air holes, air bubbles, peeling and the like of the cylinder block are easily caused, and the sprue bush position is often born with high temperature and high pressure, so that the sprue bush position is short in service life and easy to damage, and the quality of die-casting products is influenced.
Disclosure of Invention
The invention aims to provide a die-casting die for an automobile engine cylinder block, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
The utility model provides an automobile engine cylinder body die casting die, includes the mount pad down, fixed mounting has the bed die on the up end of mount pad down, set up mould benevolence on the up end of bed die, the top of bed die is provided with the mount pad, fixed mounting has last mould on the lower terminal surface of last mount pad, the die cavity has been seted up on the lower terminal surface of last mould, die cavity and mould benevolence looks adaptation, the up end central point department of putting of going up the mount pad is provided with the runner cover, the pouring groove has been seted up on the up end of runner cover, the inside of going up the mould is provided with the pouring structure, be provided with exhaust mechanism on the right-hand end face of going up the mould, be provided with die-casting mechanism on the bed die.
preferably, the lower end surface of the upper die and the upper end surface of the lower die are both provided with a sealing gasket, and the sealing gaskets are positioned on the outer sides of the die core and the die cavity.
Preferably, the pouring structure comprises an injection channel, the injection channel is arranged at the bottom of the sprue bush, a first tapered groove is formed in the injection channel and communicated with the pouring groove, a communicating groove is formed in the upper die and communicated with the first tapered groove, a plurality of uniformly distributed second tapered grooves are formed in the lower end face of the communicating groove, and the second tapered grooves are communicated with the die cavity.
Preferably, a serpentine pipeline is arranged inside the upper die and located above the communicating groove, a heat conducting plate is arranged at the bottom of the serpentine pipeline, interface tubes are arranged at two ends of the serpentine pipeline and fixedly mounted on the rear end face of the upper die, and a plurality of sealing rings are arranged on the interface tubes.
Preferably, exhaust mechanism includes the mount pad, mount pad fixed mounting is on the right side terminal surface of last mould, the inside of going up the mould is provided with exhaust passage, exhaust passage is linked together with the die cavity, exhaust passage's the other end is provided with the seal groove, the seal groove is located the right side terminal surface of last mould and the left side terminal surface of mount pad, fixed mounting has the vacuum pump on the up end of mount pad, the vacuum pump is linked together through blast pipe and seal groove.
Preferably, an electric push rod is fixedly mounted on the right end face of the mounting seat, a sealing block is fixedly mounted at the output end of the electric push rod, and the sealing block is arranged inside the sealing groove.
Preferably, a die casting layer is arranged inside the die core, a movable plate is arranged below the lower mounting seat, a plurality of uniformly distributed connecting rods are fixedly mounted on the upper end surface of the movable plate, the other ends of the connecting rods are fixedly mounted on the lower end surface of the die casting layer, and the lower end surface of the movable plate is fixedly connected with the output ends of a plurality of symmetrically distributed first pneumatic cylinders.
Preferably, a plurality of second pneumatic cylinders which are symmetrically distributed are fixedly installed on the lower end face of the movable plate, an ejection plate is fixedly installed at the output end of each second pneumatic cylinder and located above the movable plate, a plurality of ejection rods which are uniformly distributed are fixedly installed on the upper end face of the ejection plate, and the ejection rods are inserted into the die-casting layer.
Compared with the prior art, the invention has the beneficial effects that: a die-casting die for the cylinder body of car engine is composed of a sealing pad for improving the sealing performance of upper and lower dies, a first conic slot, a second conic slot and a connecting slot for uniformly pouring the material, a sealing ring for sealing the sprue sleeve, and an air exhausting mechanism for exhausting air to form a vacuum cavity, the die-casting layer moves upwards to form high pressure for die-casting forming, the second pneumatic cylinder drives the ejection plate to move upwards, and the formed cylinder body is ejected out through the ejection rod. The invention relates to a die-casting die for an automobile engine cylinder, which is characterized in that a serpentine pipeline, a vacuum pump, a sealing block and the like are arranged, so that the die-casting quality of the cylinder is improved, air holes and air bubbles are avoided, a sprue bush is cooled, the service life of the sprue bush is prolonged, and the problems that the existing most of die-casting dies for the automobile engine cylinder are low in die-casting quality, unsmooth in exhaust, air holes, air bubbles, peeling and the like are easy to occur on the cylinder, and the sprue bush is often subjected to high temperature and high pressure, so that the service life of the sprue bush is short, the sprue bush is easy to damage, and the quality of die-.
Drawings
FIG. 1 is a schematic structural diagram of a die-casting mold for an automobile engine cylinder block;
FIG. 2 is a schematic diagram of a top view of a serpentine pipeline in a die-casting mold for an automobile engine block;
FIG. 3 is a schematic structural diagram of a position A in the die-casting mold for the automobile engine cylinder block.
In the figure: 1-lower mounting seat, 2-lower die, 3-die core, 4-upper mounting seat, 5-upper die, 6-die cavity, 7-sealing gasket, 8-sprue bush, 9-injection channel, 10-pouring groove, 11-first conical groove, 12-communicating groove, 13-second conical groove, 14-serpentine pipeline, 15-heat conducting plate, 16-interface tube, 17-sealing ferrule, 18-exhaust channel, 19-sealing groove, 20-mounting seat, 21-vacuum pump, 22-exhaust pipe, 23-electric push rod, 24-sealing block, 25-moving plate, 26-connecting rod, 27-die casting layer, 28-first pneumatic cylinder, 29-ejection plate, 30-second pneumatic cylinder and 31-ejection rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 3, the present invention provides a technical solution: the utility model provides an automobile engine cylinder body die casting die, includes mount pad 1 down, fixed mounting has bed die 2 on the up end of mount pad 1 down, set up mould benevolence 3 on the up end of bed die 2, the top of bed die 2 is provided with mount pad 4, fixed mounting has last mould 5 on the lower terminal surface of last mount pad 4, die cavity 6 has been seted up on the lower terminal surface of last mould 5, die cavity 6 and 3 looks adaptations of mould benevolence, the up end central point department of putting of going up mount pad 4 is provided with runner cover 8, pouring gate 10 has been seted up on the up end of runner cover 8, the inside of going up mould 5 is provided with the pouring structure, be provided with exhaust mechanism on the right-hand end face of going up mould 5, be provided with die-casting mechanism on bed die 2.
And sealing gaskets 7 are arranged on the lower end surface of the upper die 5 and the upper end surface of the lower die 2, and the sealing gaskets 7 are positioned on the outer sides of the die core 3 and the die cavity 6.
The sealing gasket 7 improves the sealing performance of the matched mold of the upper mold 5 and the lower mold 2 and avoids mechanical damage.
The pouring structure comprises an injection channel 9, the injection channel 9 is arranged at the bottom of a sprue bush 8, a first tapered groove 11 is formed in the injection channel 9, the first tapered groove 11 is communicated with a pouring groove 10, a communicating groove 12 is formed in the upper die 5, the first tapered groove 11 is communicated with the communicating groove 12, a plurality of second tapered grooves 13 which are uniformly distributed are formed in the lower end face of the communicating groove 12, and the second tapered grooves 13 are communicated with the die cavity 6.
Through first bell jar 11, second bell jar 13 and intercommunication groove 12 for the pouring pan feeding is more even, and follow-up die-casting effect is better.
The inner part of the upper die 5 is provided with a serpentine pipeline 14, the serpentine pipeline 14 is positioned above the communication groove 12, the bottom of the serpentine pipeline 14 is provided with a heat conduction plate 15, two ends of the serpentine pipeline 14 are provided with a mouth piece 16, the mouth piece 16 is fixedly installed on the rear end face of the upper die 5, and the mouth piece 16 is provided with a plurality of sealing ferrules 17.
The outlet liquid is circularly led in through the interface tube 16, the sealing ring 17 improves the connection tightness, the temperature of the pouring structure and the sprue bush 8 is adjusted through the snake-shaped pipeline 14, the sprue bush 8 is prevented from bearing high temperature for a long time, and the service life of the sprue bush 8 is prolonged.
Exhaust mechanism includes mount pad 20, mount pad 20 fixed mounting is on the right side terminal surface of last mould 5, the inside of going up mould 5 is provided with exhaust passage 18, exhaust passage 18 is linked together with die cavity 6, exhaust passage 18's the other end is provided with seal groove 19, seal groove 19 is located the left side terminal surface of the right side terminal surface of last mould 5 and mount pad 20, fixed mounting has vacuum pump 21 on the up end of mount pad 20, vacuum pump 21 is linked together with seal groove 19 through blast pipe 22.
An electric push rod 23 is fixedly mounted on the right end face of the mounting seat 20, a sealing block 24 is fixedly mounted at the output end of the electric push rod 23, and the sealing block 24 is arranged inside the sealing groove 19.
Before die assembly, pouring and die casting, air in the engine cylinder body is exhausted through an exhaust mechanism, the vacuum pump 21 works to enable the interior to form vacuum, the sealing block 24 is driven to move through the electric push rod 23, sealing is formed on the sealing groove 19, the quality of subsequent pouring and die casting is improved, the problems of air holes, bubbles and the like are avoided, and the product quality of the engine cylinder body is improved.
The die comprises a die core 3, a die casting layer 27, a movable plate 25, a plurality of uniformly distributed connecting rods 26, a plurality of first pneumatic cylinders 28 and a plurality of second pneumatic cylinders, wherein the die casting layer 27 is arranged in the die core 3, the movable plate 25 is arranged below the lower mounting seat 1, the connecting rods 26 are fixedly arranged on the upper end surface of the movable plate 25, the other ends of the connecting rods 26 are fixedly arranged on the lower end surface of the die casting layer 27, and the lower end surface of the movable plate 25 is fixedly connected with the output ends.
The moving plate 25 is moved by the first pneumatic cylinder 28, and the die-casting layer 27 is moved upwards to form high pressure, so that the die-casting molding is performed.
A plurality of second pneumatic cylinders 30 which are symmetrically distributed are fixedly mounted on the lower end face of the moving plate 25, an ejection plate 29 is fixedly mounted at the output end of each second pneumatic cylinder 30, the ejection plate 29 is located above the moving plate 25, a plurality of ejection rods 31 which are uniformly distributed are fixedly mounted on the upper end face of the ejection plate 29, and the ejection rods 31 are inserted into the die-casting layer 27.
The ejector plate 29 is moved upward by the second pneumatic cylinder 30, and the formed cylinder is ejected by the ejector rod 31.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The utility model provides an automobile engine cylinder block die casting die, includes mount pad (1) down, its characterized in that: the improved die casting device is characterized in that a lower die (2) is fixedly mounted on the upper end face of the lower mounting seat (1), a die core (3) is arranged on the upper end face of the lower die (2), an upper mounting seat (4) is arranged above the lower die (2), an upper die (5) is fixedly mounted on the lower end face of the upper mounting seat (4), a die cavity (6) is formed in the lower end face of the upper die (5), the die cavity (6) is matched with the die core (3), a sprue bush (8) is arranged at the central position of the upper end face of the upper mounting seat (4), a pouring groove (10) is formed in the upper end face of the sprue bush (8), a pouring structure is arranged inside the upper die (5), an exhaust mechanism is arranged on the right end face of the upper die (5), and a die casting mechanism is arranged on the lower die (2).
2. The die-casting mold for the automobile engine cylinder block as recited in claim 1, wherein: sealing gaskets (7) are arranged on the lower end face of the upper die (5) and the upper end face of the lower die (2), and the sealing gaskets (7) are positioned on the outer sides of the die core (3) and the die cavity (6).
3. The die-casting mold for the automobile engine block as recited in claim 2, wherein: the pouring structure comprises an injection channel (9), the injection channel (9) is arranged at the bottom of a sprue bush (8), a first conical groove (11) is formed in the injection channel (9), the first conical groove (11) is communicated with a pouring groove (10), a communicating groove (12) is formed in the upper die (5), the first conical groove (11) is communicated with the communicating groove (12), a plurality of uniformly distributed second conical grooves (13) are formed in the lower end face of the communicating groove (12), and the second conical grooves (13) are communicated with a die cavity (6).
4. The die-casting mold for the automobile engine block as recited in claim 3, wherein: the heat-conducting type pipe fitting is characterized in that a serpentine pipeline (14) is arranged inside the upper die (5), the serpentine pipeline (14) is located above the communicating groove (12), a heat-conducting plate (15) is arranged at the bottom of the serpentine pipeline (14), interface tubes (16) are arranged at two ends of the serpentine pipeline (14), the interface tubes (16) are fixedly mounted on the rear end face of the upper die (5), and a plurality of sealing ferrules (17) are arranged on the interface tubes (16).
5. The die-casting mold for the automobile engine block as recited in claim 4, wherein: exhaust mechanism includes mount pad (20), mount pad (20) fixed mounting is on the right side terminal surface of last mould (5), the inside of going up mould (5) is provided with exhaust passage (18), exhaust passage (18) are linked together with die cavity (6), the other end of exhaust passage (18) is provided with seal groove (19), seal groove (19) are located the left side terminal surface of the right side terminal surface of last mould (5) and mount pad (20), fixed mounting has vacuum pump (21) on the up end of mount pad (20), vacuum pump (21) are linked together through blast pipe (22) and seal groove (19).
6. The die-casting mold for the automobile engine block as recited in claim 5, wherein: the right side of mount pad (20) is gone up fixed mounting and is had electric putter (23), the output fixed mounting of electric putter (23) has sealed piece (24), sealed piece (24) set up the inside at seal groove (19).
7. The die-casting mold for the automobile engine block as recited in claim 6, wherein: the die comprises a die core (3) and is characterized in that a die casting layer (27) is arranged inside the die core (3), a movable plate (25) is arranged below a lower mounting seat (1), a plurality of uniformly distributed connecting rods (26) are fixedly mounted on the upper end face of the movable plate (25), the other ends of the connecting rods (26) are fixedly mounted on the lower end face of the die casting layer (27), and the lower end face of the movable plate (25) is fixedly connected with the output ends of a plurality of symmetrically distributed first pneumatic cylinders (28).
8. The die-casting mold for the automobile engine block as recited in claim 7, wherein: the fixed mounting has second pneumatic cylinder (30) of a plurality of symmetric distribution on the lower terminal surface of movable plate (25), the output fixed mounting of second pneumatic cylinder (30) has liftout plate (29), liftout plate (29) are located the top of movable plate (25), fixed mounting has a plurality of evenly distributed's liftout rod (31) on the up end of liftout plate (29), liftout rod (31) are pegged graft in the inside of die-casting layer (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911020650.1A CN110576169A (en) | 2019-10-25 | 2019-10-25 | automobile engine cylinder block die casting die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911020650.1A CN110576169A (en) | 2019-10-25 | 2019-10-25 | automobile engine cylinder block die casting die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110576169A true CN110576169A (en) | 2019-12-17 |
Family
ID=68815433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911020650.1A Pending CN110576169A (en) | 2019-10-25 | 2019-10-25 | automobile engine cylinder block die casting die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110576169A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112065717A (en) * | 2020-09-21 | 2020-12-11 | 上海润成机电科技有限公司 | Scroll compressor |
| CN114985683A (en) * | 2022-04-28 | 2022-09-02 | 广州鸿展五金机电有限公司 | Extrusion die for processing aluminum alloy extrusion piece and processing technology thereof |
| CN117123757A (en) * | 2023-10-20 | 2023-11-28 | 宁波遵航汽车零部件有限公司 | Ultralow-speed die casting die for automobile air conditioner compressor impeller |
| CN118218559A (en) * | 2024-04-11 | 2024-06-21 | 苏州瑞泰克散热科技有限公司 | Cold water plate die casting device and method for new energy vehicles |
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| US4060122A (en) * | 1976-02-04 | 1977-11-29 | Fata S.P.A. | Low-pressure die casting machine |
| JP2000135551A (en) * | 1998-10-30 | 2000-05-16 | Shimadzu Corp | Non-porous die casting equipment |
| CN2595497Y (en) * | 2002-08-22 | 2003-12-31 | 福建浔兴集团公司 | Cooling system of pressure casting mold |
| CN103624233A (en) * | 2012-08-27 | 2014-03-12 | 本田技研工业株式会社 | Method and apparatus for press casting |
| CN205437095U (en) * | 2015-12-24 | 2016-08-10 | 东莞市建升压铸科技有限公司 | Die casting mold |
| CN106694846A (en) * | 2016-12-27 | 2017-05-24 | 高州市金松铸造有限公司 | Multi-pouring-gate die-casting die |
| CN207941956U (en) * | 2018-03-08 | 2018-10-09 | 东莞市兴行机械有限公司 | A Vacuum Die Casting Mold Structure Applied to Die Casting Machine |
-
2019
- 2019-10-25 CN CN201911020650.1A patent/CN110576169A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4060122A (en) * | 1976-02-04 | 1977-11-29 | Fata S.P.A. | Low-pressure die casting machine |
| JP2000135551A (en) * | 1998-10-30 | 2000-05-16 | Shimadzu Corp | Non-porous die casting equipment |
| CN2595497Y (en) * | 2002-08-22 | 2003-12-31 | 福建浔兴集团公司 | Cooling system of pressure casting mold |
| CN103624233A (en) * | 2012-08-27 | 2014-03-12 | 本田技研工业株式会社 | Method and apparatus for press casting |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112065717A (en) * | 2020-09-21 | 2020-12-11 | 上海润成机电科技有限公司 | Scroll compressor |
| CN114985683A (en) * | 2022-04-28 | 2022-09-02 | 广州鸿展五金机电有限公司 | Extrusion die for processing aluminum alloy extrusion piece and processing technology thereof |
| CN117123757A (en) * | 2023-10-20 | 2023-11-28 | 宁波遵航汽车零部件有限公司 | Ultralow-speed die casting die for automobile air conditioner compressor impeller |
| CN117123757B (en) * | 2023-10-20 | 2024-02-27 | 宁波遵航汽车零部件有限公司 | Ultralow-speed die casting die for automobile air conditioner compressor impeller |
| CN118218559A (en) * | 2024-04-11 | 2024-06-21 | 苏州瑞泰克散热科技有限公司 | Cold water plate die casting device and method for new energy vehicles |
| CN118218559B (en) * | 2024-04-11 | 2024-12-20 | 苏州瑞泰克散热科技有限公司 | Cold water plate die casting device and method for new energy vehicles |
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Application publication date: 20191217 |