CN111715863A - Extrusion casting and micro-forging integrated forming method and die casting system - Google Patents
Extrusion casting and micro-forging integrated forming method and die casting system Download PDFInfo
- Publication number
- CN111715863A CN111715863A CN202010625231.7A CN202010625231A CN111715863A CN 111715863 A CN111715863 A CN 111715863A CN 202010625231 A CN202010625231 A CN 202010625231A CN 111715863 A CN111715863 A CN 111715863A
- Authority
- CN
- China
- Prior art keywords
- forging
- die
- casting
- extrusion
- module
- 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
Images
Classifications
-
- 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
- B22D18/02—Pressure casting making use of mechanical pressure devices, e.g. cast-forging
-
- 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
- B22D18/08—Controlling, supervising, e.g. for safety reasons
Abstract
The invention is suitable for the technical field of pressure casting, and discloses an extrusion casting micro-forging integrated forming method and a die-casting system, wherein the method comprises the following steps: fixing a die which is connected with a forging module and is provided with a forging action hole and a cavity on the casting and forging integrated equipment, and controlling the die to be closed; an extrusion rod of the extrusion system injects the molten alloy material into the cavity; and under the condition that the alloy material is in a semi-solid state, a forging rod of the forging system pushes the forging module from the forging action hole, the forging module forges the semi-solid alloy material in the cavity, and a forging gap is formed between the forging module and the die. The die casting system includes a cast-and-forge integrated apparatus, a die, and a forging die block connected to the die block. The extrusion casting micro-forging integrated forming method and the die-casting system provided by the invention can enable the density of a casting to be close to the level of a forging.
Description
Technical Field
The invention belongs to the technical field of pressure casting, and particularly relates to an extrusion casting micro-forging integrated forming method and a die-casting system for an alloy material.
Background
At present, the die casting machine on the market can only use casting aluminum alloy, such as ADC12, 380 and other materials, if a wrought aluminum alloy die casting product is used, the obtained casting can have various defects, such as cracks, cold shut, sink and the like, simultaneously, because the wrought aluminum alloy can only be used on extrusion and forging.
In addition, the aluminum alloy castings cast by the conventional common die casting machine are low in density and tensile strength, cannot meet the standard required by high strength of automobiles, and cannot be subjected to anodic oxidation.
In addition, the prior common die casting machine needs to use high-speed injection to ensure that the product has no defect on the appearance during die casting, and the casting inevitably generates air holes and sand holes in the casting during the high-speed injection production process, so that the casting cannot be subjected to heat treatment, and if the casting is subjected to heat treatment, the air holes in the casting expand to cause defects such as the surface of the casting to be wrapped.
Disclosure of Invention
The present invention is directed to at least solve one of the above problems, and provides an extrusion casting micro-forging integrated molding method and a die casting system, which have good casting quality.
The technical scheme of the invention is as follows: an extrusion casting micro-forging integrated forming method comprises the following steps:
fixing a die which is connected with a forging module and is provided with a forging action hole and a cavity on the casting and forging integrated equipment, and controlling the die to be closed;
an extrusion rod of the extrusion system injects the molten alloy material into the cavity;
and under the condition that the alloy material is in a semi-solid state, a forging rod of the forging system pushes the forging module from the forging action hole, the forging module forges the semi-solid alloy material in the cavity, and a forging gap is formed between the forging module and the die.
Specifically, the forging clearance between the forging die block and the die is 1-6 mm as a micro-forging deformation zone.
Specifically, when the forging system is used for forging, the temperature of the alloy material is 380-620 ℃.
Specifically, the forging force of the forging rod is between 30T and 200T.
Specifically, the pressing force of the pressing system is 20 to 30 MPA.
The invention also provides a casting and forging integrated die-casting system which comprises casting and forging integrated equipment, a die and a forging module connected with the die, wherein the die is provided with a forging action hole and a cavity, the casting and forging integrated equipment comprises an extrusion system used for injecting the alloy material into the cavity of the die, the casting and forging integrated equipment comprises a forging system used for forging the alloy material in the semi-solid state in the die so as to forge part or all of raw materials prestored in the forging action hole to the cavity, the forging system comprises a forging rod, the end part of the forging rod can extend into the forging action hole, and a forging gap is formed between the forging module and the die.
Specifically, a forging gap of 1-6 mm is arranged between the forging module and the die.
Specifically, a 3-4 mm forging gap is arranged between the forging module and the die.
Specifically, the mold is provided with a temperature monitoring part, and the mold is provided with a mold temperature adjusting flow passage.
Specifically, the forged rod is a piston rod.
According to the extrusion casting micro-forging integrated forming method and the die-casting system, the forging rod can extend into the forging action hole and push the forging module to forge the casting in the forging cavity, so that the casting in the cavity is continuously forged for multiple times to ensure the density of the casting, the advantages of extrusion casting and forging are combined, the alloy melt is stably filled in the cavity of the die by utilizing low-speed extrusion, the gas entrapment phenomenon generated in the high-speed flowing process of the alloy melt is avoided, the forging surface is designed on the die according to the structural characteristics of a product in the high-pressure solidification process of the casting, a micro-forging deformation interval is reserved, a proper forging temperature interval is selected according to the solidification characteristics of an alloy material, the forging time and the forging amount are controlled, and the level of the density of the casting forge piece close to that is finally obtained. The surface quality of the casting is equivalent to that of high-pressure die casting, and the mechanical property and the fatigue property of the casting are close to those of a forging. The casting can be subjected to heat treatment, the surface can be subjected to oxidation treatment, the welding performance is excellent, compared with extrusion casting, the alloy selection range of the process is wide, not only can the casting alloy be selected, but also the wrought alloy can be formed, the difficult problems of cracking and the like of the wrought alloy under the casting condition are overcome, the casting can reach the standard of high-strength required use, and the production efficiency is high.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic perspective view of a die in a cast-forged integrated die-casting system according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a die in a cast-forged one-piece die-casting system according to an embodiment of the present invention;
FIG. 3 is an enlarged partial schematic view at B in FIG. 2;
FIG. 4 is a schematic plan view of a forging die block in a cast-forged one-piece die casting system according to an embodiment of the present invention;
FIG. 5 is a schematic plan view of a forging die block in a cast-forged one-piece die casting system according to an embodiment of the present invention;
fig. 6 is a schematic plan view of a forging die block and a forging bar in a cast-forged integrated die-casting system according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1 to fig. 6, an extrusion casting and micro-forging integrated forming method according to an embodiment of the present invention includes the following steps:
fixing a die 10 which is connected with a forging module 12 and is provided with a forging action hole 101 and a cavity on the casting and forging integrated equipment, and controlling the die 10 to be closed, namely, firstly installing the forging module 12 in the die 10, wherein the forging module 12 can be positioned at one side of the cavity, and the forging module 12 can forge and press a casting in the cavity under the action of external force;
after the die 10 is closed, an extrusion rod of an extrusion system injects molten alloy material into the cavity, and the alloy material is in contact with the forging module 12 besides the cavity;
under alloy material is in semi-solid state, when alloy material is not complete molding promptly, forging pole 20 of forging and pressing system promotes from forging effect hole 101 forging module 12 makes forging module 12 forges semi-solid alloy material in to the die cavity, forging module 12 with have the forging clearance between the mould 10, and like this, forging module 12 has certain motion space to make the raw materials further densification of die cavity, avoid the inside production gas pocket sand hole of foundry goods, prevent that the foundry goods from having badness such as crack, cold shut, sink, because forging module 12 and forging pole 20's forging effect, make the performance of product increase by a wide margin, its density, tensile strength are high, can reach the standard that automobile type high strength requires the use, the raw materials can be ADC12, casting aluminum alloy materials such as 380, also can adopt the alloy that deforms, the foundry goods can carry out anodic oxidation, the casting performance is good. The extrusion casting and micro-forging integrated molding method provided by the embodiment of the invention combines the advantages of two molding processes of extrusion casting and forging, utilizes low-speed extrusion to enable the alloy melt to stably fill the cavity of the mold 10, avoids the air entrainment phenomenon generated in the high-speed flowing process of the alloy melt, and can further reduce the air content of the cavity by combining with the vacuum condition (namely the cavity of the mold 10 can be connected with vacuum equipment), thereby being more beneficial to molding castings with complex structures. In the process of solidifying a casting under high pressure, a forging surface is designed on a die 10 according to the structural characteristics of a product, a micro-forging deformation interval of 3-5 mm is reserved, a proper forging temperature interval is selected according to the solidification characteristics of an alloy material, the forging time and the forging amount are controlled, and the level of the density of the casting close to that of a forging is finally obtained. The surface quality of the casting is equivalent to that of high-pressure die casting, and the mechanical property and the fatigue property of the casting are close to those of a forging. The casting can be subjected to heat treatment, the surface can be subjected to oxidation treatment, the welding performance is excellent, compared with extrusion casting, the alloy selection range of the process is wide, not only can the casting alloy be selected, but also the deformation alloy can be formed, the difficult problems of cracking and the like of the deformation alloy under the casting condition are overcome, and the application effect is better.
Specifically, as shown in fig. 3, the forging gap S between the forging die block 12 and the die 10 may be 1 to 6mm as a micro-forging deformation zone. In particular applications, the forging gap may be 1 to 5mm, preferably 1.2 to 1.8mm, for example 1.5 mm.
Specifically, when the forging system performs forging, the temperature of the alloy material is 380-620 ℃ (semi-solid state). In specific application, when the forging system is used for forging, the temperature of the alloy material is 460-600 ℃. Preferably 550-590 degrees Celsius, for example 580-590 degrees Celsius
Specifically, the forging force of the forging bar 20 is between 30T (30 tons) and 200T (200 tons). Preferably, the forging force of forging bar 20 may be between 50T and 200T.
In particular, the extrusion force of the extrusion system is 20 to 30MPA, i.e. the pressure at which the molten alloy material is extruded into the die cavity is 20 to 30MPA, preferably 25 to 30 MPA.
In the embodiment, the proper forging temperature is selected to be 580-600 ℃, the forging time is controlled to be 1-3 s after the injection is finished, the forging force is 30-150T, the forging force is increased when the alloy material is in a semi-solid state, and finally the density of the obtained casting is close to the level of a forged piece.
The embodiment of the invention also provides a casting and forging integrated die-casting system, which comprises casting and forging integrated equipment, a die 10 and a forging module 12 connected to the die, wherein the die 10 is provided with a forging action hole 101 and a cavity, the casting and forging integrated equipment comprises an extrusion system used for injecting alloy materials into the cavity of the die 10, the casting and forging integrated equipment comprises a forging system used for forging the alloy materials in the semi-solid state of the die 10 so as to forge part or all of raw materials prestored in the forging action hole 101 to the cavity, the forging system comprises a forging rod 20 of which the end part can extend into the forging action hole 101, and a forging gap is formed between the forging module 12 and the die 10. The mold 10 includes a front mold and a back mold that mate to form a cavity. The front die or/and the rear die may be connected with the forging block 12 (the forging block 12 may be provided with one, two or more). Where two or more forging modules 12 are provided, the two or more forging modules 12 may forge the casting toward each other or from different directions. In this embodiment, the front mold or/and the rear mold is/are provided with a cavity for placing the forging mold block 12, and the cavity is communicated with the cavity. And the end face of the front die or/and the rear die is provided with a forging action hole 101, the forging rod 20 can extend into the forging action hole 101 and push the forging module 12 to forge the casting in the die cavity, so that the casting in the die cavity is continuously forged and pressed for multiple times to ensure the density of the casting, the advantages of extrusion casting and forging are combined, the alloy melt is stably filled in the die cavity of the die 10 by utilizing low-speed extrusion, the phenomenon of air entrainment generated in the high-speed flowing process of the alloy melt is avoided, the air content of the die cavity can be further reduced by combining with a vacuum condition (namely the die cavity of the die 10 can be connected with vacuum equipment), and the forming of the casting with a complex structure is more. In the process of solidifying a casting under high pressure, a forging surface is designed on a die 10 according to the structural characteristics of a product, a micro-forging deformation interval of 3-5 mm is reserved, a proper forging temperature interval is selected according to the solidification characteristics of an alloy material, the forging time and the forging amount are controlled, and the level of the density of the casting close to that of a forging is finally obtained. The surface quality of the casting is equivalent to that of high-pressure die casting, and the mechanical property and the fatigue property of the casting are close to those of a forging. The casting can be subjected to heat treatment, the surface can be subjected to oxidation treatment, the welding performance is excellent, compared with extrusion casting, the alloy selection range of the process is wide, not only can the casting alloy be selected, but also the deformation alloy can be formed, the difficult problems of cracking and the like of the deformation alloy under the casting condition are overcome, and the application effect is better.
Specifically, a forging gap of 1 to 6mm is provided between the forging die block 12 and the die 10, preferably, the forging gap may be 1 to 5mm, and in this embodiment, the forging gap is 3 to 5 mm.
In a specific application, a forging gap of 3 to 4mm is arranged between the forging module 12 and the die 10.
Specifically, the mold 10 is provided with a temperature monitoring part, and the mold 10 is provided with a mold 10 temperature adjusting runner. The temperature monitoring means may be a temperature sensing probe, which may be provided in plurality.
Specifically, the forging rod 20 is a piston rod of a hydraulic cylinder, and the output force is large.
Specifically, the forging block 12 may be provided with a temperature adjusting flow passage, which may adjust the temperature of the forging block 12 by means of circulation of a cooling liquid. Of course, the temperature control flow path may not be provided in the forging die block 12.
The area of the forging module 12 acting on the casting can be larger than the sectional area of the forging acting hole 101, and the forging effect is better.
In a specific application, the forging module 12 may include a seat 121 and a forging pillar 122, the forging pillar 122 may be fixedly connected to or integrally formed on a front surface of the seat 121, and the forging rod 20 may abut against a back surface of the seat 121 to push the forging module 12 to complete a forging operation. The forging bar 20 may be pressed against the forging block 12 at a set frequency and pressure.
The extrusion casting micro-forging integrated forming method and the die-casting system provided by the invention combine the advantages of extrusion casting and forging, utilize low-speed extrusion to enable the alloy melt to stably fill the cavity of the die 10, avoid the air entrainment phenomenon generated in the high-speed flowing process of the alloy melt, and further reduce the air content of the cavity by combining with the vacuum condition, thereby being more beneficial to forming castings with complex structures. In the process of solidifying a casting under high pressure, a forging surface is designed on a die 10 according to the structural characteristics of a product, a micro-forging deformation interval of 3-5 mm is reserved, a proper forging temperature interval is selected according to the solidification characteristics of an alloy material, the forging time and the forging amount are controlled, and the level of the density of the casting close to that of a forging is finally obtained. The surface quality of the casting is equivalent to that of high-pressure die casting, and the mechanical property and the fatigue property of the casting are close to those of a forging. The casting can be subjected to heat treatment, the surface can be subjected to oxidation treatment, the welding performance is excellent, compared with extrusion casting, the alloy selection range of the process is wide, not only can the casting alloy be selected, but also the deformation alloy can be formed, the difficult problems of cracking and the like of the deformation alloy under the casting condition are overcome, the application effect is better, and the use standard of high-strength requirements can be achieved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents or improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. The extrusion casting micro-forging integrated forming method is characterized by comprising the following steps of:
fixing a die which is connected with a forging module and is provided with a forging action hole and a cavity on the casting and forging integrated equipment, and controlling the die to be closed;
an extrusion rod of the extrusion system injects the molten alloy material into the cavity;
and under the condition that the alloy material is in a semi-solid state, a forging rod of the forging system pushes the forging module from the forging action hole, the forging module forges the semi-solid alloy material in the cavity, and a forging gap is formed between the forging module and the die.
2. The method of claim 1, wherein a forging gap between the forging die block and the die is 1 to 6mm as a micro-forging deformation zone.
3. The method of claim 1 or 2, wherein the temperature of the alloy material is 380-620 ℃ when the forging system performs forging.
4. The method of claim 1 or 2, wherein the forging force of the forging bar is between 30T and 200T.
5. The extrusion casting and micro-forging integrated molding method as claimed in claim 1 or 2, wherein the extrusion force of the extrusion system is 20 to 30 MPA.
6. The utility model provides an integrative die-casting system of casting and forging, its characterized in that, including integrative equipment of casting and forging, mould and connect in the forging module of module, the mould is provided with forging and pressing effect hole and die cavity, integrative equipment of casting and forging is including the extrusion system that is used for injecting alloy material into the mould die cavity, integrative equipment of casting and forging is in the mould that semi-solid state is forged and pressed so that to the alloy material the raw materials part or whole forging and pressing extremely that the hole was prestored to the forging and pressing system of die cavity, the forging and pressing system include the tip can stretch into the forging pole in forging and pressing effect hole, the forging module with the forging clearance has between the mould.
7. The cast-forged integrated die casting system according to claim 6, wherein a forging gap of 1 to 6mm is provided between said forging die block and said die.
8. The cast-forged one-piece die casting system according to claim 6, wherein a forging gap of 3 to 4mm is provided between said forging die block and said die.
9. A cast-forged one-piece die casting system as claimed in any one of claims 6 to 8, wherein said die is provided with a temperature monitoring means, and said die is provided with a die temperature regulating runner.
10. The cast-forged one-piece die casting system as claimed in any one of claims 6 to 8, wherein said forging bar is a piston rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010625231.7A CN111715863A (en) | 2020-07-01 | 2020-07-01 | Extrusion casting and micro-forging integrated forming method and die casting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010625231.7A CN111715863A (en) | 2020-07-01 | 2020-07-01 | Extrusion casting and micro-forging integrated forming method and die casting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111715863A true CN111715863A (en) | 2020-09-29 |
Family
ID=72571172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010625231.7A Pending CN111715863A (en) | 2020-07-01 | 2020-07-01 | Extrusion casting and micro-forging integrated forming method and die casting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111715863A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114115165A (en) * | 2022-01-28 | 2022-03-01 | 深圳市北工实业有限公司 | Production control method and system of casting and forging integrated forming machine |
| CN114799131A (en) * | 2022-04-22 | 2022-07-29 | 南京航空航天大学 | Negative pressure drainage type casting and forging forming device and method for metal material |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2759644Y (en) * | 2004-12-24 | 2006-02-22 | 李远发 | Dual-control one-shot die for moulding of liquid metal with compression casting and forging |
| CN101934336A (en) * | 2010-09-14 | 2011-01-05 | 华中科技大学 | Method and device for semi-solid precision rheo-casting of light alloys |
| CN103464714A (en) * | 2013-08-30 | 2013-12-25 | 广州有色金属研究院 | Method and device for liquid casting and forging forming of automotive brake calipers |
| CN104439159A (en) * | 2014-12-29 | 2015-03-25 | 广州铝材厂有限公司 | Compound liquid forging squeeze casting equipment |
| JP3200216U (en) * | 2015-07-22 | 2015-10-08 | 和昌精密股▲ふん▼有限公司 | Casting and forging equipment |
| CN106312016A (en) * | 2016-10-17 | 2017-01-11 | 华中科技大学 | Vibrating casting and forging composite forming method for aluminum alloy forgings |
| CN106825496A (en) * | 2016-12-16 | 2017-06-13 | 浙江天雅江涛动力有限公司 | A kind of wrought aluminium alloy workpiece casting forging unification moulding process |
| CN107900314A (en) * | 2017-12-28 | 2018-04-13 | 重庆仟和镁业科技有限公司 | The production technology of overall magnesium alloy chair framework |
-
2020
- 2020-07-01 CN CN202010625231.7A patent/CN111715863A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2759644Y (en) * | 2004-12-24 | 2006-02-22 | 李远发 | Dual-control one-shot die for moulding of liquid metal with compression casting and forging |
| CN101934336A (en) * | 2010-09-14 | 2011-01-05 | 华中科技大学 | Method and device for semi-solid precision rheo-casting of light alloys |
| CN103464714A (en) * | 2013-08-30 | 2013-12-25 | 广州有色金属研究院 | Method and device for liquid casting and forging forming of automotive brake calipers |
| CN104439159A (en) * | 2014-12-29 | 2015-03-25 | 广州铝材厂有限公司 | Compound liquid forging squeeze casting equipment |
| JP3200216U (en) * | 2015-07-22 | 2015-10-08 | 和昌精密股▲ふん▼有限公司 | Casting and forging equipment |
| CN106312016A (en) * | 2016-10-17 | 2017-01-11 | 华中科技大学 | Vibrating casting and forging composite forming method for aluminum alloy forgings |
| CN106825496A (en) * | 2016-12-16 | 2017-06-13 | 浙江天雅江涛动力有限公司 | A kind of wrought aluminium alloy workpiece casting forging unification moulding process |
| CN107900314A (en) * | 2017-12-28 | 2018-04-13 | 重庆仟和镁业科技有限公司 | The production technology of overall magnesium alloy chair framework |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114115165A (en) * | 2022-01-28 | 2022-03-01 | 深圳市北工实业有限公司 | Production control method and system of casting and forging integrated forming machine |
| CN114799131A (en) * | 2022-04-22 | 2022-07-29 | 南京航空航天大学 | Negative pressure drainage type casting and forging forming device and method for metal material |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103990775B (en) | Extruding metal autoform method and its product | |
| CN101274361B (en) | Low speed vacuum squeeze casting technology | |
| CN105945255B (en) | Thin-wall part die casting and die-cast formation equipment | |
| CN111715863A (en) | Extrusion casting and micro-forging integrated forming method and die casting system | |
| CN102218520B (en) | Light-alloy die-casting, filling, forging and compacting integrated forming device | |
| CN103736894A (en) | Isothermal forging die and forging technology thereof of magnesium alloy die forge piece of step type structure | |
| CN104439159A (en) | Compound liquid forging squeeze casting equipment | |
| CN105397065A (en) | Extrusion casting production technology of car clutch shell | |
| CN104368790B (en) | A kind of metal liquid fluctuates high die casting forging one-step moulding method | |
| CN109261931A (en) | A kind of the second level Extrution casting technique and device of case of transmission | |
| CN204449261U (en) | Composite liquefied die forging extrusion casting apparatus | |
| CN106623856A (en) | Method and device for improving quality of squeezing and casting piston casting | |
| CN100544858C (en) | The one-time formed method of two controls is forged in metal liquid die casting | |
| CN211638256U (en) | Casting and forging integrated die casting machine | |
| CN103753150B (en) | A kind of preparation method of magnesium alloy honeycomb blind hole structural member | |
| CN114799131A (en) | Negative pressure drainage type casting and forging forming device and method for metal material | |
| CN1507970A (en) | Magnesium alloy hub pressure casting apparatus and method thereof | |
| CN114130989A (en) | Extrusion casting die and technological method | |
| CN207873073U (en) | A kind of thin-wall Mg alloy workpiece die casting molding system | |
| CN106378433B (en) | A method of aluminium alloy bladder support arm is produced with Horizontal type extrusion casting machine | |
| CN204449262U (en) | Compound Die Forging dual control contoured squeeze casting machine | |
| CN110814314A (en) | Casting and forging integrated die casting machine | |
| CN219074332U (en) | Multi-gate composite forming device for pneumatic filling hydraulic extrusion forging | |
| CN110722125A (en) | Casting and forging integrated die-casting method | |
| CN219924515U (en) | Die casting die for producing thick-wall parts of high-strength electric bicycle folder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |