CN105127399A - Low-pressure casting technology for mounting tube socket of motor train unit brake system - Google Patents
Low-pressure casting technology for mounting tube socket of motor train unit brake system Download PDFInfo
- Publication number
- CN105127399A CN105127399A CN201510536302.5A CN201510536302A CN105127399A CN 105127399 A CN105127399 A CN 105127399A CN 201510536302 A CN201510536302 A CN 201510536302A CN 105127399 A CN105127399 A CN 105127399A
- Authority
- CN
- China
- Prior art keywords
- low
- casting
- pressure casting
- pressure
- metal
- 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
Landscapes
- Braking Arrangements (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention provides a low-pressure casting technology for a mounting tube socket of a motor train unit brake system. The low-pressure casting technology comprises the following steps: S1, carrying out three-dimensional modeling; S2, determining casting technology parameters and finishing the three dimensions of a rough casting; S3, designing the shape of a casting die; S4, manufacturing a metal low-pressure die; S5, carrying out sand blasting treatment on the metal low-pressure die, mounting the metal low-pressure die onto a low-pressure casting machine table, then preheating the whole die, and spraying a paint on the molding part of the die; S6, adding a smelted casting alloy material into a holding furnace of a low-pressure casting machine according to the metal low-pressure casting technology; S7, pouring a product; and S8, carrying out T6 thermal treatment on the product according to the properties of the casting alloy material so as to obtain a final product. The raw material is greatly saved, the cost is reduced, the processing time is shortened, the tooling loss is low, the product quality and stability are great, the raw material utilizing rate is high, and the tensile strength, the ductility and the hardness of the produced mounting tube socket meet the performance requirements of the mounting tube socket product of the motor train unit brake system.
Description
Technical field
The present invention relates to Braking System for Multiple Units and base manufacturing technology field is installed, particularly relate to a kind of Braking System for Multiple Units and base low-pressure casting process is installed.
Background technology
Along with global energy problem and environment for human survival constantly worsen, in the face of the traffic congestion that highway is day by day serious, aviation is to the worry of soaring oil prices, and high-speed railway speed is fast, carrying capacity is large, energy consumption is low, cost is low, the trip vehicles of popular environmental protection obtain develop rapidly.And brakes whether safe and reliable be the key of high-speed railway safe operation.Mounting pipe seat piece is as the primary structural component of Braking System for Multiple Units and main load bearing component, and the factors such as the quality of its quality, the length of production cycle, product cost all directly affect the height of China's Braking System for Multiple Units technical merit.It is Braking System for Multiple Units key core parts that Braking System for Multiple Units installs base, is Braking System for Multiple Units structure stress part, and each Braking System for Multiple Units installs the necessary x-ray inspection of base, and credit rating should reach the B level of ISO9915:1992.Product material and mechanical property requirements high, whole product surface all needs the surface smoothness of satisfied 1.6 to 3.2, and product all surface meets GB10851-89 Birmasil 1 grade of pinhole rate.
It is the changeable Al-alloy products of complex structure that common Braking System for Multiple Units installs base, and the process of employing is by 5 series or 7 series alloys section bar Milling Process.Its main Problems existing is that processing process is long, and the production cycle is long, and yield rate is low, and equipment investment is many, and frock loss is large, and production cost is high, and constant product quality is poor, and raw-material utilization rate is low.Original installation base material is employing 5 series or 7 series alloys in addition, and tensile strength percentage elongation and hardness all cannot meet the performance requirement that Braking System for Multiple Units installs base product for a long time.
Summary of the invention
In order to solve the technical problem existed in background technology, the present invention proposes a kind of Braking System for Multiple Units and base low-pressure casting process is installed, processing process is short, with short production cycle, yield rate is high, and equipment investment is few, frock loss is little, production cost is low, and constant product quality is good, and raw-material utilization rate is high.
A kind of Braking System for Multiple Units that the present invention proposes installs base low-pressure casting process, comprises the steps:
S1, to need casting installation base carry out three-dimensional modeling;
S2, in conjunction with metal-mold low-pressure casting technique determination casting technological parameter, complete spray three-dimensional according to casting technological parameter according to the three-dimensional modeling of S1;
S3, the spray completed according to S2 are three-dimensional and in conjunction with metal-mold low-pressure casting die feature and device parameter, the moulding of design casting mould;
S4, the casting mould moulding manufacture metal mold low pressure mould designed according to S3;
S5, blasting treatment is carried out to the metal mold low pressure mould that S4 completes, be installed on low pressure casting board, then to whole mould and die preheating, and to mould molding position spray paint;
S6, according to metal-mold low-pressure casting technique, the cast alloy materials after melting is added in low pressure casting machine holding furnace;
S7, according to the casting technological parameter of S2 cast product;
S8, according to the characteristic of cast alloy materials, T6 heat treatment is carried out to the product of S7 and obtain final products.
Preferably, in S2, technological parameter comprises alloy material chemical composition, running gate system, allowance and die joint.
Preferably, in S5, according to metal-mold low-pressure casting technique subregion to metal-mold low-pressure casting mould and die preheating, make mould from top to bottom temperature decline gradually, ensure that casting mould inlet temperature is 380 DEG C-400 DEG C, Die head temperatures is 280 DEG C-320 DEG C; Even spraying wanted by coating, makes paint thickness and heat insulating ability according to order from top to bottom from thick to thin, from strong to weak, the thickness of coating is 0.2-0.5mm.
Preferably, in S6, the absolute density adding the cast alloy materials in low pressure casting machine holding furnace is 2.63-2.67g/cm
2.
Preferably, in S7, the temperature of product cast is at 740 DEG C-760 DEG C, and mold filling pressure is 0.03MP-0.05MP, and filling time is 20-25s, and dwell pressure is 0.05MP-0.07MP, dwell time 8-10min.
Preferably, further comprising the steps of:
S9, according to casting techniques require to the final products in S8 carry out dimension control, surface fluorescence flaw detection, significant points x-ray inspection.
Preferably, further comprising the steps of:
S10, deburring process and shotblasting are carried out to the final products be up to the standards in S9.
In the present invention, pass through three-dimensional modeling, casting process scheme designs, mould three dimensional design, metal mold low pressure Making mold, alloy melting is with reinforced, low-pressure casting, the multiple working procedures such as heat treating castings, and design is optimized to each procedure technology parameter, adopt metal-mold low-pressure casting, cast liquation when making full use of low pressure casting and continue feeding from bottom to up in pressure effect, foundry goods is be all crystallization under stress from top to bottom in whole casting process, particularly casting mould is Metal mould casting is have resistance to shrink in process of setting, so the cast structure that metal-mold low-pressure casting is cast out is fine and close, clear-cut, surfaces externally and internally is bright and clean, stable mechanical performance, greatly save raw material and reduce cost, decrease process time, substantially increase utilization rate of equipment and installations, shorten production time, frock loss is little, production cost is low, constant product quality is good, raw-material utilization rate is high, particularly x-ray inspection, fluorescent penetrating inspection, air-tightness and finished surface pinhole rate grade are cast high than core, the tensile strength percentage elongation of the installation base produced and hardness meet the performance requirement that Braking System for Multiple Units installs base product.
Accompanying drawing explanation
Fig. 1 is the flow chart of a kind of Braking System for Multiple Units installation base low-pressure casting process that the present invention proposes.
Detailed description of the invention
With reference to Fig. 1, the present invention proposes a kind of Braking System for Multiple Units and installs base low-pressure casting process, comprises the steps:
S1, utilize three-dimensional software to need casting Braking System for Multiple Units install base carry out three-dimensional modeling by technical requirement;
S2, according to the three-dimensional modeling of S1 and in conjunction with metal-mold low-pressure casting technique determination casting technological parameter: alloy material chemical composition, running gate system, allowance, die joint, complete spray three-dimensional according to casting technological parameter;
S3, the spray completed according to S2 are three-dimensional and in conjunction with metal-mold low-pressure casting die feature and device parameter, the moulding of design casting mould;
S4, the casting mould moulding manufacture metal mold low pressure mould designed according to S3;
S5, blasting treatment is carried out to the metal mold low pressure mould that S4 completes, be installed on low pressure casting board, then to whole mould and die preheating, and to mould molding position spray paint; According to metal-mold low-pressure casting technique subregion to metal-mold low-pressure casting mould and die preheating, make mould from top to bottom temperature decline gradually, ensure that casting mould inlet temperature is 380 DEG C-400 DEG C, Die head temperatures is 280 DEG C-320 DEG C; Even spraying wanted by coating, makes paint thickness and heat insulating ability according to order from top to bottom from thick to thin, from strong to weak, the thickness of coating is 0.2-0.5mm;
S6, according to metal-mold low-pressure casting technique, the cast alloy materials after melting is added in low pressure casting machine holding furnace; During alloy melting, alloy melting must carry out melting according to alloy material composition smelting technology used, must measure the absolute density of materials of aluminum water sample after melting completes, the absolute density adding the cast alloy materials in low pressure casting machine holding furnace is 2.63-2.67g/cm
2;
S7, according to the casting technological parameter of S2 cast product, the temperature of product cast is at 740 DEG C-760 DEG C, and mold filling pressure is 0.03MP-0.05MP, and filling time is 20-25s, and dwell pressure is 0.05MP-0.07MP, dwell time 8-10min;
S8, according to the characteristic of cast alloy materials, T6 heat treatment is carried out to the product of S7 and obtain final products;
S9, according to casting techniques require to the final products in S8 carry out dimension control, surface fluorescence flaw detection, significant points x-ray inspection;
S10, deburring process and shotblasting are carried out to the product be up to the standards in S9.
Embodiment 1
The present embodiment proposes a kind of Braking System for Multiple Units and installs base low-pressure casting process, comprises the steps:
S1, utilize three-dimensional software to need casting Braking System for Multiple Units install base carry out three-dimensional modeling by technical requirement;
S2, according to the three-dimensional modeling of S1 and in conjunction with metal-mold low-pressure casting technique determination casting technological parameter: alloy material chemical composition, running gate system, allowance, die joint, complete spray three-dimensional according to casting technological parameter;
S3, the spray completed according to S2 are three-dimensional and in conjunction with metal-mold low-pressure casting die feature and device parameter, the moulding of design casting mould;
S4, the casting mould moulding manufacture metal mold low pressure mould designed according to S3;
S5, blasting treatment is carried out to the metal mold low pressure mould that S4 completes, be installed on low pressure casting board, then to whole mould and die preheating, and to mould molding position spray paint; According to metal-mold low-pressure casting technique subregion to metal-mold low-pressure casting mould and die preheating, make mould from top to bottom temperature decline gradually, ensure that casting mould inlet temperature is 400 DEG C, Die head temperatures is 320 DEG C; Even spraying wanted by coating, makes paint thickness and heat insulating ability according to order from top to bottom from thick to thin, from strong to weak, the thickness of coating is 0.5mm;
S6, according to metal-mold low-pressure casting technique, the cast alloy materials after melting is added in low pressure casting machine holding furnace; During alloy melting, alloy melting must carry out melting according to alloy material composition smelting technology used, must measure the absolute density of materials of aluminum water sample after melting completes, and the absolute density adding the cast alloy materials in low pressure casting machine holding furnace is 2.67g/cm
2;
S7, according to the casting technological parameter of S2 cast product, the temperature of product cast is at 760 DEG C, and mold filling pressure is 0.05MP, and filling time is 25s, and dwell pressure is 0.07MP, dwell time 10min;
S8, according to the characteristic of cast alloy materials, T6 heat treatment is carried out to the product of S7 and obtain final products;
S9, according to casting techniques require to the final products in S8 carry out dimension control, surface fluorescence flaw detection, significant points x-ray inspection;
S10, deburring process and shotblasting are carried out to the product be up to the standards in S9.
Embodiment 2
The present embodiment proposes a kind of Braking System for Multiple Units and installs base low-pressure casting process, comprises the steps:
S1, utilize three-dimensional software to need casting Braking System for Multiple Units install base carry out three-dimensional modeling by technical requirement;
S2, according to the three-dimensional modeling of S1 and in conjunction with metal-mold low-pressure casting technique determination casting technological parameter: alloy material chemical composition, running gate system, allowance, die joint, complete spray three-dimensional according to casting technological parameter;
S3, the spray completed according to S2 are three-dimensional and in conjunction with metal-mold low-pressure casting die feature and device parameter, the moulding of design casting mould;
S4, the casting mould moulding manufacture metal mold low pressure mould designed according to S3;
S5, blasting treatment is carried out to the metal mold low pressure mould that S4 completes, be installed on low pressure casting board, then to whole mould and die preheating, and to mould molding position spray paint; According to metal-mold low-pressure casting technique subregion to metal-mold low-pressure casting mould and die preheating, make mould from top to bottom temperature decline gradually, ensure that casting mould inlet temperature is 380 DEG C DEG C, Die head temperatures is 280 DEG C; Even spraying wanted by coating, makes paint thickness and heat insulating ability according to order from top to bottom from thick to thin, from strong to weak, the thickness of coating is 0.2mm;
S6, according to metal-mold low-pressure casting technique, the cast alloy materials after melting is added in low pressure casting machine holding furnace; During alloy melting, alloy melting must carry out melting according to alloy material composition smelting technology used, must measure the absolute density of materials of aluminum water sample after melting completes, and the absolute density adding the cast alloy materials in low pressure casting machine holding furnace is 2.63g/cm
2;
S7, according to the casting technological parameter of S2 cast product, the temperature of product cast is at 740 DEG C, and mold filling pressure is 0.03MP, and filling time is 20s, and dwell pressure is 0.05MP, dwell time 8min;
S8, according to the characteristic of cast alloy materials, T6 heat treatment is carried out to the product of S7 and obtain final products;
S9, according to casting techniques require to the final products in S8 carry out dimension control, surface fluorescence flaw detection, significant points x-ray inspection;
S10, deburring process and shotblasting are carried out to the product be up to the standards in S9.
Embodiment 3
The present embodiment proposes a kind of Braking System for Multiple Units and installs base low-pressure casting process, comprises the steps:
S1, utilize three-dimensional software to need casting Braking System for Multiple Units install base carry out three-dimensional modeling by technical requirement;
S2, according to the three-dimensional modeling of S1 and in conjunction with metal-mold low-pressure casting technique determination casting technological parameter: alloy material chemical composition, running gate system, allowance, die joint, complete spray three-dimensional according to casting technological parameter;
S3, the spray completed according to S2 are three-dimensional and in conjunction with metal-mold low-pressure casting die feature and device parameter, the moulding of design casting mould;
S4, the casting mould moulding manufacture metal mold low pressure mould designed according to S3;
S5, blasting treatment is carried out to the metal mold low pressure mould that S4 completes, be installed on low pressure casting board, then to whole mould and die preheating, and to mould molding position spray paint; According to metal-mold low-pressure casting technique subregion to metal-mold low-pressure casting mould and die preheating, make mould from top to bottom temperature decline gradually, ensure that casting mould inlet temperature is 390 DEG C, Die head temperatures is 300 DEG C; Even spraying wanted by coating, makes paint thickness and heat insulating ability according to order from top to bottom from thick to thin, from strong to weak, the thickness of coating is 0.35mm;
S6, according to metal-mold low-pressure casting technique, the cast alloy materials after melting is added in low pressure casting machine holding furnace; During alloy melting, alloy melting must carry out melting according to alloy material composition smelting technology used, must measure the absolute density of materials of aluminum water sample after melting completes, and the absolute density adding the cast alloy materials in low pressure casting machine holding furnace is 2.65g/cm
2;
S7, according to the casting technological parameter of S2 cast product, the temperature of product cast is at 750 DEG C, and mold filling pressure is 0.04MP, and filling time is 23s, and dwell pressure is 0.06MP, dwell time 9min;
S8, according to the characteristic of cast alloy materials, T6 heat treatment is carried out to the product of S7 and obtain final products;
S9, according to casting techniques require to the final products in S8 carry out dimension control, surface fluorescence flaw detection, significant points x-ray inspection;
S10, deburring process and shotblasting are carried out to the product be up to the standards in S9.
A kind of Braking System for Multiple Units that the present invention proposes installs base low-pressure casting process, pass through three-dimensional modeling, casting process scheme designs, mould three dimensional design, metal mold low pressure Making mold, alloy melting is with reinforced, low-pressure casting, the multiple working procedures such as heat treating castings, and design is optimized to each procedure technology parameter, adopt metal-mold low-pressure casting, cast liquation when making full use of low pressure casting and continue feeding from bottom to up in pressure effect, foundry goods is be all crystallization under stress from top to bottom in whole casting process, particularly casting mould is Metal mould casting is have resistance to shrink in process of setting, so the cast structure that metal-mold low-pressure casting is cast out is fine and close, clear-cut, surfaces externally and internally is bright and clean, stable mechanical performance, greatly save raw material and reduce cost, decrease process time, substantially increase utilization rate of equipment and installations, shorten production time, frock loss is little, production cost is low, constant product quality is good, raw-material utilization rate is high, particularly x-ray inspection, fluorescent penetrating inspection, air-tightness and finished surface pinhole rate grade are cast high than core, the tensile strength percentage elongation of the installation base produced and hardness meet the performance requirement that Braking System for Multiple Units installs base product.
The above; be only the present invention's preferably detailed description of the invention; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (7)
1. Braking System for Multiple Units installs a base low-pressure casting process, it is characterized in that, comprises the steps:
S1, to need casting installation base carry out three-dimensional modeling;
S2, in conjunction with metal-mold low-pressure casting technique determination casting technological parameter, complete spray three-dimensional according to casting technological parameter according to the three-dimensional modeling of S1;
S3, the spray completed according to S2 are three-dimensional and in conjunction with metal-mold low-pressure casting die feature and device parameter, the moulding of design casting mould;
S4, the casting mould moulding manufacture metal mold low pressure mould designed according to S3;
S5, blasting treatment is carried out to the metal mold low pressure mould that S4 completes, be installed on low pressure casting board, then to whole mould and die preheating, and to mould molding position spray paint;
S6, according to metal-mold low-pressure casting technique, the cast alloy materials after melting is added in low pressure casting machine holding furnace;
S7, according to the casting technological parameter of S2 cast product;
S8, according to the characteristic of cast alloy materials, T6 heat treatment is carried out to the product of S7 and obtain final products.
2. Braking System for Multiple Units according to claim 1 installs base low-pressure casting process, and it is characterized in that, in S2, technological parameter comprises alloy material chemical composition, running gate system, allowance and die joint.
3. Braking System for Multiple Units according to claim 2 installs base low-pressure casting process, it is characterized in that, in S5, according to metal-mold low-pressure casting technique subregion to metal-mold low-pressure casting mould and die preheating, make mould from top to bottom temperature decline gradually, ensure that casting mould inlet temperature is 380 DEG C-400 DEG C, Die head temperatures is 280 DEG C-320 DEG C; Even spraying wanted by coating, makes paint thickness and heat insulating ability according to order from top to bottom from thick to thin, from strong to weak, the thickness of coating is 0.2-0.5mm.
4. the Braking System for Multiple Units according to any one of claim 1-3 installs base low-pressure casting process, and it is characterized in that, in S6, the absolute density adding the cast alloy materials in low pressure casting machine holding furnace is 2.63-2.67g/cm
2.
5. the Braking System for Multiple Units according to any one of claim 1-3 installs base low-pressure casting process, it is characterized in that, in S7, the temperature of product cast is at 740 DEG C-760 DEG C, mold filling pressure is 0.03MP-0.05MP, filling time is 20-25s, and dwell pressure is 0.05MP-0.07MP, dwell time 8-10min.
6. the Braking System for Multiple Units according to any one of claim 1-3 installs base low-pressure casting process, it is characterized in that, further comprising the steps of:
S9, according to casting techniques require to the final products in S8 carry out dimension control, surface fluorescence flaw detection, significant points x-ray inspection.
7. bullet train cast aluminium gear case body metal-mold low-pressure casting technique according to claim 6, is characterized in that, further comprising the steps of:
S10, deburring process and shotblasting are carried out to the final products be up to the standards in S9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510536302.5A CN105127399A (en) | 2015-08-25 | 2015-08-25 | Low-pressure casting technology for mounting tube socket of motor train unit brake system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510536302.5A CN105127399A (en) | 2015-08-25 | 2015-08-25 | Low-pressure casting technology for mounting tube socket of motor train unit brake system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105127399A true CN105127399A (en) | 2015-12-09 |
Family
ID=54713155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510536302.5A Pending CN105127399A (en) | 2015-08-25 | 2015-08-25 | Low-pressure casting technology for mounting tube socket of motor train unit brake system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105127399A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106694853A (en) * | 2016-12-19 | 2017-05-24 | 重庆市合川区银窝铸造厂 | Method for casting motorcycle parts by use of low-pressure casting process |
| CN107201464A (en) * | 2016-07-21 | 2017-09-26 | 北京诺飞新能源科技有限责任公司 | A kind of electric automobile battery box preparation technology of use aluminum alloy materials |
| CN110560663A (en) * | 2019-08-21 | 2019-12-13 | 徐州东坤耐磨材料有限公司 | casting processing technology of water pump impeller |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050262693A1 (en) * | 2004-05-10 | 2005-12-01 | Zhang Xinying | Cast forging process for aluminum wheels |
| CN101885050A (en) * | 2010-07-16 | 2010-11-17 | 吴江市液铸液压件铸造有限公司 | Process of casting gear pump rear cover |
| CN101890490A (en) * | 2010-06-25 | 2010-11-24 | 温州瑞明工业股份有限公司 | Low-pressure casting process of metal pattern die pre-casting cylinder sleeve of V-shaped aluminum alloy cylinder body |
| CN102632219A (en) * | 2012-05-15 | 2012-08-15 | 山东滨州渤海活塞股份有限公司 | Method for casting aluminum piston of gasoline engine |
| CN104786727A (en) * | 2015-04-11 | 2015-07-22 | 成都陵川特种工业有限责任公司 | Integral type aluminum wheel production process |
-
2015
- 2015-08-25 CN CN201510536302.5A patent/CN105127399A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050262693A1 (en) * | 2004-05-10 | 2005-12-01 | Zhang Xinying | Cast forging process for aluminum wheels |
| CN101890490A (en) * | 2010-06-25 | 2010-11-24 | 温州瑞明工业股份有限公司 | Low-pressure casting process of metal pattern die pre-casting cylinder sleeve of V-shaped aluminum alloy cylinder body |
| CN101885050A (en) * | 2010-07-16 | 2010-11-17 | 吴江市液铸液压件铸造有限公司 | Process of casting gear pump rear cover |
| CN102632219A (en) * | 2012-05-15 | 2012-08-15 | 山东滨州渤海活塞股份有限公司 | Method for casting aluminum piston of gasoline engine |
| CN104786727A (en) * | 2015-04-11 | 2015-07-22 | 成都陵川特种工业有限责任公司 | Integral type aluminum wheel production process |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107201464A (en) * | 2016-07-21 | 2017-09-26 | 北京诺飞新能源科技有限责任公司 | A kind of electric automobile battery box preparation technology of use aluminum alloy materials |
| CN106694853A (en) * | 2016-12-19 | 2017-05-24 | 重庆市合川区银窝铸造厂 | Method for casting motorcycle parts by use of low-pressure casting process |
| CN110560663A (en) * | 2019-08-21 | 2019-12-13 | 徐州东坤耐磨材料有限公司 | casting processing technology of water pump impeller |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104759625B (en) | A kind of material and the method that use laser 3D printing technique to prepare aluminum alloy junction component | |
| CN102717029B (en) | Casting method for large thin-wall shell aluminium alloy casting | |
| CN101670437B (en) | Mould making method with conformal cooling pipe | |
| CN105081281A (en) | Metal mold low-pressure casting process for cast-aluminum gearbox body of high-speed train | |
| CN102717030A (en) | Precision casting method for thick-wall base aluminium alloy casting | |
| CN101992272A (en) | Self-adaptive casting mould manufacture method for casting | |
| CN104131202B (en) | The short process making method of 6061 aluminum alloy die forgings | |
| CN114932199B (en) | Casting process of centrifugal double-suction pump | |
| CN103509978B (en) | Heat treatment method for precision casting aluminum alloy | |
| Agapovichev et al. | Production technology of the internal combustion engine crankcase using additive technologies | |
| CN105127399A (en) | Low-pressure casting technology for mounting tube socket of motor train unit brake system | |
| CN103469017B (en) | Aluminum alloy for precision casting and casting method thereof | |
| CN107812918A (en) | A kind of bullet train Plug Door Controlled aluminium alloy castings manufacture method and casting | |
| CN105945227A (en) | Precise casting technology for fusion mold | |
| CN103506577B (en) | Precision casting method of aluminum alloy cast | |
| CN107699741A (en) | A kind of method of lost foam casting alloy-steel casting | |
| CN105506337A (en) | Design optimization and preparation method for ordered porous metal | |
| Rajkumar et al. | Influence of parameters on the smart productivity of modern metal casting process: an overview | |
| CN103553621B (en) | The preparation method of silicon carbide hydrogen collector | |
| Huang et al. | Compute-aided design of low pressure die-casting process of A356 aluminum wheels | |
| Gopinath et al. | Effect of solidification parameters on the feeding efficiency of Lm6 aluminium alloy casting | |
| Xiao et al. | Numerical simulation and optimization of investment casting for complex thin-walled castings | |
| CN201848503U (en) | Blade guide frame casting forming die | |
| CN103464679B (en) | The forming method of sheet metal and formation system | |
| Mandaliya et al. | Study of piston sleeve manufactured by sand casting process to reduce rejection rate using simulation software |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151209 |