CN105618676A - Environment-friendly preparation method for automobile engine shell - Google Patents
Environment-friendly preparation method for automobile engine shell Download PDFInfo
- Publication number
- CN105618676A CN105618676A CN201511007705.7A CN201511007705A CN105618676A CN 105618676 A CN105618676 A CN 105618676A CN 201511007705 A CN201511007705 A CN 201511007705A CN 105618676 A CN105618676 A CN 105618676A
- Authority
- CN
- China
- Prior art keywords
- shell
- sand
- environment
- wax
- housing
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
- B22C9/04—Use of lost patterns
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C1/00—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C3/00—Selection of compositions for coating the surfaces of moulds, cores, or patterns
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/22—Moulds for peculiarly-shaped castings
- B22C9/24—Moulds for peculiarly-shaped castings for hollow articles
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C14/00—Alloys based on titanium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C30/00—Alloys containing less than 50% by weight of each constituent
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C30/00—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mold Materials And Core Materials (AREA)
Abstract
The invention discloses an environment-friendly preparation method for an automobile engine shell. The environment-friendly preparation method includes the steps of mold shell preparation, alloy burdening, melting and pouring, cooling, aftertreatment and the like. According to the environment-friendly preparation method, a TiAl-based titanium aluminum compound serves as a shell material, long-time continuous work can be done at a high temperature, the performance is improved, and the service life is prolonged; fine wood bits and crop straw fibers serve as shell manufacturing materials, so that the using amount of refractory matter is reduced, and environmental protection is facilitated; reasonable matching is adopted, so that the breathability is increased on the premise that the shell strength is guaranteed; and cellular material attapulgite is adopted, so that exhausting is facilitated, the defect of air holes in the shell is reduced, the rate of finished products is increased, and meanwhile the weight of the mold shell is reduced.
Description
Technical field
The invention belongs to metal melted module precise casting technology field, especially relate to the environment-friendly type preparation method of a kind of motor car engine housing.
Background technology
Mould precision casting is the casting forming process of a kind of advanced person, it is used for realizing complexity, thin-walled, precise boxes is shaped, at accurate jewellery, aircraft engine and other precise forming part aspects have huge advantage, traditional investment precision casting technology makes meltability model (abbreviation fusible pattern) with meltable material (such as wax material), apply the refractory paint that some layers are special thereon, an overall module is formed through dry and hardening, melt from module again and lose fusible pattern thus obtain the mould shell of hollow, then mould shell is carried out high temperature sintering, last pour into a mould melting wherein metal and the method for housing that obtains. at present multiplex ceramic sand in the production process of precision-investment casting, the mould shell that casting is smashed after terminating also exists molding sand and reclaims difficulty, problem big for environment pollution, therefore, finds a kind of high-performance, the mould shell preparation method of environmental protection is necessary very much.
Whole world auto output is still in lasting growth, owing to reducing oil consumption and improving the requirement of urban air-quality, less energy-consumption high-performance engine demand amount is also being increased day by day, turbo-supercharger can significantly improve engine power, improve discharge, reduce oil consumption, thus the engine adopting the small engine of band turbo-supercharger to substitute nature air-breathing is a basic trend of Hyundai Motor industry, what bear due to turbine housing is the waste gas of engine high-temperature high pressure, passenger car diesel discharging waste gas temperature is the highest is approximately 850 DEG C, petrol motor then can reach 1050 DEG C, continuous high speed work under severe Working environment, so the requirement of material and performance is very high.
Summary of the invention
Based on above technical problem, the present invention discloses the preparation method of a kind of environmental protection finish cast die shell, it is possible to obtains casting die shell efficiently, and adopts environment-friendly materials, protects environment and re-sources.
The technical scheme that the present invention is complete comprises:
The environment-friendly type preparation method of a kind of motor car engine housing, it is characterised in that, comprise the steps:
(1) prepare mould shell, comprising: a. prepares corresponding wax-pattern, gating system, rising head according to the shape being obtained housing, and be bonded to wax-pattern group; B. properly mixed zirconium English powder is adopted, silicon sol, thin wood chip, n-Octanol, Leyden blue mix and blend obtains investment precoat, vermicelli sand after Wax-coated module, facing sand component is aluminum oxide sand and thin wood chip, and c. adopts properly mixed attapulgite powder, mullite powder, crop branch fiber, silicate hydrolyzate liquid mix and blend obtained back of the body coating, hangs back of the body sand after Wax-coated module, rear slurry seal is dry for several times to repeat extension back of the body sand, and d. dewaxing roasting obtains mould shell.
(2) alloying ingredient, described alloy comprises by the chemical composition of atomic percent: Al:44.0��47.0at%, V:0.5��1.2at%, Cr:0.4��1.6at%, Nb:2.0��7.0at%, B:0.2��0.8at%, C:1.0��1.3at%, N:0.3��0.5%, all the other are Ti.
(3) smelting and pouring, adds the alloy compositions described in step (2) in the crucible of induction melting furnace, is evacuated down to 10-4Pa; it is blown into argon gas shielded; load power to 350-400KW; after heating 20-25min, temperature arrives 1600-1800 DEG C; alloy material is incubated 10 minutes after melting completely; overturn crucible subsequently, vacuum induction melting furnace overturns crucible, alloy liquid is poured in step (1) gained mould shell.
(4) it is cooled to vacuum breaker after room temperature, mould shell is broken, obtains engine housing.
(5) housing is heat-treated, the operations such as surface sand-blasting cleaning;
(6) housing being carried out coating, described coating comprises B:14.0at% by the chemical composition of atomic percent, C:43.5at%, V:12.0at%, Cr:12.0at%, Nb:5.5at%, H:13.0at%.
Hinge structure of the present invention, adopt thin wood chip, crop branch fiber as shell material processed, reduce the usage quantity of refractory materials, both environmental protection had been conducive to, and adopt rational proportioning, ventilation property is added under the prerequisite ensureing investment shell intensity, attapulgite in back of the body coating is porous material, be conducive to exhaust, reduce housing gas hole defect, add yield rate, make mould shell reduce weight simultaneously, and raw material is easy to get, the coated component adopted is reasonable, has oilness and the thermotolerance of greatly raising.
Embodiment
Below in conjunction with embodiment, the present invention will be further described.
The environment-friendly type preparation method of a kind of motor car engine housing, it is characterised in that, comprise the steps:
(1) prepare mould shell, comprising: a. prepares corresponding wax-pattern, gating system, rising head according to the shape being obtained housing, and be bonded to wax-pattern group; B. properly mixed zirconium English powder is adopted, silicon sol, thin wood chip, n-Octanol, Leyden blue mix and blend obtains investment precoat, vermicelli sand after Wax-coated module, facing sand component is aluminum oxide sand and thin wood chip, and c. adopts properly mixed attapulgite powder, mullite powder, crop branch fiber, silicate hydrolyzate liquid mix and blend obtained back of the body coating, hangs back of the body sand after Wax-coated module, rear slurry seal is dry for several times to repeat extension back of the body sand, and d. dewaxing roasting obtains mould shell.
(2) alloying ingredient, described alloy comprises by the chemical composition of atomic percent: Al:44.0��47.0at%, V:0.5��1.2at%, Cr:0.4��1.6at%, Nb:2.0��7.0at%, B:0.2��0.8at%, C:1.0��1.3at%, N:0.3��0.5%, all the other are Ti.
(3) smelting and pouring, adds the alloy compositions described in step (2) in the crucible of induction melting furnace, is evacuated down to 10-4Pa; it is blown into argon gas shielded; load power to 350-400KW; after heating 20-25min, temperature arrives 1600-1800 DEG C; alloy material is incubated 10 minutes after melting completely; overturn crucible subsequently, vacuum induction melting furnace overturns crucible, alloy liquid is poured in step (1) gained mould shell.
(4) it is cooled to vacuum breaker after room temperature, mould shell is broken, obtains engine housing.
(5) housing is heat-treated, the operations such as surface sand-blasting cleaning;
(6) housing being carried out coating, described coating comprises B:14.0at% by the chemical composition of atomic percent, C:43.5at%, V:12.0at%, Cr:12.0at%, Nb:5.5at%, H:13.0at%.
In addition, concrete, the concrete preparation technology of described mould shell is:
(1) prepare wax-pattern, prepare corresponding wax-pattern, gating system, rising head according to the shape being obtained housing, and be bonded to wax-pattern group;
(2) investment precoat preparation, by zirconium English powder, silicon sol, thin wood chip, n-Octanol, the obtained investment precoat of Leyden blue mix and blend, described zirconium English powder degree is 300 orders, thin wood chip granularity is 240 orders, and the weight proportion of above-mentioned coating component is: zirconium English powder: silicon sol: thin wood chip: n-Octanol: Leyden blue=(1800-2000): (140-160): (100-200): (1-2): (2-5);
(3) vermicelli sand: described wax-pattern group immersed in investment precoat pond, take out subsequently, makes it apply evenly to its surface blowing in rotating condition, and described blow-time is 30s-60s, it is preferable to 40s; Facing sand is spilt in rotating condition subsequently to its surface, described facing sand is facing sand component is aluminum oxide sand and thin wood chip, weight proportion is aluminum oxide sand: thin wood chip=(10-15): 1, and the granularity of aluminum oxide sand is 80-100 order, and thin wood chip granularity is 160-200 order; The dry 12-18h of the wax-pattern group hanging up properly facing sand will be coated with, it is preferable to 15h;
(4) coating preparation is carried on the back, by attapulgite powder, mullite powder, crop branch fiber, silicate hydrolyzate liquid mix and blend obtained back of the body coating, described attapulgite powder granularity is 240 orders, mullite granularity is 240 orders, crop branch fiber diameter is 2-3mm, silicate hydrolyzate liquid dioxide-containing silica is 20%, and the weight proportion of above-mentioned coating component is: attapulgite powder: mullite powder: crop branch fiber: silicate hydrolyzate liquid=(350-500): (1800-2000): (50-120): (2-4);
(5) hanging back of the body sand, dried wax-pattern group in step (3) immersed in back of the body coating pond, take out subsequently, make it apply evenly to its surface blowing in rotating condition, described blow-time is 40s-80s, it is preferable to 60s; Back of the body sand is spilt in rotating condition subsequently to its surface, described back of the body sand component is mullite meal and crop branch fiber, weight proportion is mullite meal: crop branch fiber=(10-15): 1, the granularity of mullite meal is 40-60 order, and crop branch fiber diameter is 4-6mm; The dry 12-18h of the wax-pattern group hanging up properly back of the body sand will be coated with, it is preferable to 15h;
(6) repeating step (4) and step (5) 2-4 time, until mould thickness of the shell reaches 6-10mm, it is preferable to 8mm, dry after slurry seal;
(7) dried for step (6) slurry seal mould shell is carried out steam dewaxing, dewaxing pressure is 0.4MPa��0.8MPa, and the dewaxing time is 6min��8min, sends in high temperature resistance furnace, it is warming up to 300-450 DEG C with the temperature rise rate of 2-4 DEG C/min, insulation 1.5h, is warming up to 750-800 DEG C with the temperature rise rate of 6-10 DEG C/min subsequently, insulation 1.5h, it is warming up to 1100-1250 DEG C subsequently with the temperature rise rate of 2-4 DEG C/min, insulation 4h, furnace cooling, obtains environmental protection finish cast die shell.
Claims (1)
1. the environment-friendly type preparation method of a motor car engine housing, it is characterised in that, comprise the steps:
(1) prepare mould shell, comprising: a. prepares corresponding wax-pattern, gating system, rising head according to the shape being obtained housing, and be bonded to wax-pattern group; B. properly mixed zirconium English powder is adopted, silicon sol, thin wood chip, n-Octanol, Leyden blue mix and blend obtains investment precoat, vermicelli sand after Wax-coated module, facing sand component is aluminum oxide sand and thin wood chip, and c. adopts properly mixed attapulgite powder, mullite powder, crop branch fiber, silicate hydrolyzate liquid mix and blend obtained back of the body coating, hangs back of the body sand after Wax-coated module, rear slurry seal is dry for several times to repeat extension back of the body sand, and d. dewaxing roasting obtains mould shell.
(2) alloying ingredient, described alloy comprises by the chemical composition of atomic percent: Al:44.0��47.0at%, V:0.5��1.2at%, Cr:0.4��1.6at%, Nb:2.0��7.0at%, B:0.2��0.8at%, C:1.0��1.3at%, N:0.3��0.5%, all the other are Ti.
(3) smelting and pouring, adds the alloy compositions described in step (2) in the crucible of induction melting furnace, is evacuated down to 10-4Pa; it is blown into argon gas shielded; load power to 350-400KW; after heating 20-25min, temperature arrives 1600-1800 DEG C; alloy material is incubated 10 minutes after melting completely; overturn crucible subsequently, vacuum induction melting furnace overturns crucible, alloy liquid is poured in step (1) gained mould shell.
(4) it is cooled to vacuum breaker after room temperature, mould shell is broken, obtains engine housing.
(5) housing is heat-treated, the operations such as surface sand-blasting cleaning;
(6) housing being carried out coating, described coating comprises B:14.0at% by the chemical composition of atomic percent, C:43.5at%, V:12.0at%, Cr:12.0at%, Nb:5.5at%, H:13.0at%.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511007705.7A CN105618676A (en) | 2015-12-29 | 2015-12-29 | Environment-friendly preparation method for automobile engine shell |
| PCT/CN2016/107864 WO2017114066A1 (en) | 2015-12-29 | 2016-11-30 | Environmentally friendly method for preparing automobile engine shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511007705.7A CN105618676A (en) | 2015-12-29 | 2015-12-29 | Environment-friendly preparation method for automobile engine shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105618676A true CN105618676A (en) | 2016-06-01 |
Family
ID=56034233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511007705.7A Pending CN105618676A (en) | 2015-12-29 | 2015-12-29 | Environment-friendly preparation method for automobile engine shell |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105618676A (en) |
| WO (1) | WO2017114066A1 (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017114079A1 (en) * | 2015-12-30 | 2017-07-06 | 张建勋 | Method for preparing automobile supercharging turbine |
| WO2017114071A1 (en) * | 2015-12-29 | 2017-07-06 | 张建勋 | Method for preparing breathable moulding shell |
| WO2017114068A1 (en) * | 2015-12-29 | 2017-07-06 | 张建勋 | Environmentally friendly method for preparing automobile engine blade |
| WO2017114065A1 (en) * | 2015-12-29 | 2017-07-06 | 张建勋 | Method for preparing environmentally friendly casting material |
| WO2017114064A1 (en) * | 2015-12-29 | 2017-07-06 | 张建勋 | Method for preparing environmentally friendly fine casting mould shell |
| WO2017114066A1 (en) * | 2015-12-29 | 2017-07-06 | 张建勋 | Environmentally friendly method for preparing automobile engine shell |
| WO2017114067A1 (en) * | 2015-12-29 | 2017-07-06 | 张建勋 | Automobile engine blade |
| WO2017114070A1 (en) * | 2015-12-29 | 2017-07-06 | 张建勋 | Environmentally friendly preparation method for automobile booster turbine |
| WO2017114078A1 (en) * | 2015-12-30 | 2017-07-06 | 张建勋 | Method for preparing engine component |
| CN114393989A (en) * | 2021-07-15 | 2022-04-26 | 东风精密铸造有限公司 | Automobile gas cylinder bracket assembly adopting precision casting-welding composite process |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111842917B (en) * | 2020-07-27 | 2023-11-03 | 安徽有研吸气新材料股份有限公司 | High-performance getter alloy component and processing method thereof |
| CN114672684B (en) * | 2022-03-31 | 2022-09-13 | 江苏恒鑫正宏科技有限公司 | High-strength aluminum alloy section for brake chamber and processing technology thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2896711A1 (en) * | 2006-01-31 | 2007-08-03 | Marc Lebreton | Lost wax molding comprises coating wax model in plaster, refractory material and fireclay, drying and covering with reinforcing shell |
| CN103409722A (en) * | 2013-07-15 | 2013-11-27 | 北京航空航天大学 | Method for preparing anti-erosion coating on surface of aero engine air compressor blade |
| CN203737936U (en) * | 2014-03-15 | 2014-07-30 | 内蒙古工业大学 | Fiber-reinforced investment casting composite shell |
| CN104152745A (en) * | 2014-08-25 | 2014-11-19 | 钢铁研究总院 | Cast highniobium titanium-aluminum alloy and preparation method thereof |
| CN104475682A (en) * | 2014-12-17 | 2015-04-01 | 北京航空航天大学 | Combined wax pattern-based method of achieving precision investment casting for heat-resistant cast steel thin-wall turbine shell |
| CN104923729A (en) * | 2015-06-24 | 2015-09-23 | 西安航空动力股份有限公司 | Manufacturing method of composite shell of large diffuser precision casting |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EA019581B1 (en) * | 2008-04-21 | 2014-04-30 | Коммонвелт Сайентифик Энд Индастриал Рисерч Организейшн | Method and apparatus for forming titanium-aluminium based alloys |
| CN104001857B (en) * | 2014-06-06 | 2016-02-10 | 哈尔滨鑫润工业有限公司 | A kind of Gas Turbine guide vane and precision casting technology thereof |
| CN105522111A (en) * | 2015-12-29 | 2016-04-27 | 青岛博泰美联化工技术有限公司 | Manufacturing method for ventilation type shell |
| CN105506377A (en) * | 2015-12-29 | 2016-04-20 | 青岛博泰美联化工技术有限公司 | Environment-friendly type manufacturing method for car supercharging turbine |
| CN105618678A (en) * | 2015-12-29 | 2016-06-01 | 青岛博泰美联化工技术有限公司 | Preparation method for environment-friendly refined casting mold shell |
| CN105441715A (en) * | 2015-12-29 | 2016-03-30 | 青岛博泰美联化工技术有限公司 | Automobile charging turbine |
| CN105618676A (en) * | 2015-12-29 | 2016-06-01 | 青岛博泰美联化工技术有限公司 | Environment-friendly preparation method for automobile engine shell |
| CN105624465A (en) * | 2015-12-29 | 2016-06-01 | 青岛博泰美联化工技术有限公司 | Blade of automobile engine |
| CN105618677A (en) * | 2015-12-29 | 2016-06-01 | 青岛博泰美联化工技术有限公司 | Preparation method for environment-friendly casting material |
| CN105483440B (en) * | 2015-12-29 | 2018-02-23 | 东莞市兆财实业有限公司 | A kind of environment-friendly type preparation method of automobile engine blade |
| CN105537518A (en) * | 2015-12-30 | 2016-05-04 | 青岛博泰美联化工技术有限公司 | Preparation method of engine component |
| CN105618679A (en) * | 2015-12-30 | 2016-06-01 | 青岛博泰美联化工技术有限公司 | Preparation method for automobile charging turbine |
-
2015
- 2015-12-29 CN CN201511007705.7A patent/CN105618676A/en active Pending
-
2016
- 2016-11-30 WO PCT/CN2016/107864 patent/WO2017114066A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2896711A1 (en) * | 2006-01-31 | 2007-08-03 | Marc Lebreton | Lost wax molding comprises coating wax model in plaster, refractory material and fireclay, drying and covering with reinforcing shell |
| CN103409722A (en) * | 2013-07-15 | 2013-11-27 | 北京航空航天大学 | Method for preparing anti-erosion coating on surface of aero engine air compressor blade |
| CN203737936U (en) * | 2014-03-15 | 2014-07-30 | 内蒙古工业大学 | Fiber-reinforced investment casting composite shell |
| CN104152745A (en) * | 2014-08-25 | 2014-11-19 | 钢铁研究总院 | Cast highniobium titanium-aluminum alloy and preparation method thereof |
| CN104475682A (en) * | 2014-12-17 | 2015-04-01 | 北京航空航天大学 | Combined wax pattern-based method of achieving precision investment casting for heat-resistant cast steel thin-wall turbine shell |
| CN104923729A (en) * | 2015-06-24 | 2015-09-23 | 西安航空动力股份有限公司 | Manufacturing method of composite shell of large diffuser precision casting |
Non-Patent Citations (2)
| Title |
|---|
| 唐代明等: "《金属材料学》", 30 June 2014, 西南交通大学出版社 * |
| 机械工业职业技能鉴定指导中心: "《初级铸造工技术》", 31 July 2007, 机械工业出版社 * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017114071A1 (en) * | 2015-12-29 | 2017-07-06 | 张建勋 | Method for preparing breathable moulding shell |
| WO2017114068A1 (en) * | 2015-12-29 | 2017-07-06 | 张建勋 | Environmentally friendly method for preparing automobile engine blade |
| WO2017114065A1 (en) * | 2015-12-29 | 2017-07-06 | 张建勋 | Method for preparing environmentally friendly casting material |
| WO2017114064A1 (en) * | 2015-12-29 | 2017-07-06 | 张建勋 | Method for preparing environmentally friendly fine casting mould shell |
| WO2017114066A1 (en) * | 2015-12-29 | 2017-07-06 | 张建勋 | Environmentally friendly method for preparing automobile engine shell |
| WO2017114067A1 (en) * | 2015-12-29 | 2017-07-06 | 张建勋 | Automobile engine blade |
| WO2017114070A1 (en) * | 2015-12-29 | 2017-07-06 | 张建勋 | Environmentally friendly preparation method for automobile booster turbine |
| WO2017114079A1 (en) * | 2015-12-30 | 2017-07-06 | 张建勋 | Method for preparing automobile supercharging turbine |
| WO2017114078A1 (en) * | 2015-12-30 | 2017-07-06 | 张建勋 | Method for preparing engine component |
| CN114393989A (en) * | 2021-07-15 | 2022-04-26 | 东风精密铸造有限公司 | Automobile gas cylinder bracket assembly adopting precision casting-welding composite process |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017114066A1 (en) | 2017-07-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105618676A (en) | Environment-friendly preparation method for automobile engine shell | |
| CN105483440B (en) | A kind of environment-friendly type preparation method of automobile engine blade | |
| CN105618679A (en) | Preparation method for automobile charging turbine | |
| CN105506377A (en) | Environment-friendly type manufacturing method for car supercharging turbine | |
| CN105537518A (en) | Preparation method of engine component | |
| CN105618678A (en) | Preparation method for environment-friendly refined casting mold shell | |
| CN102554125B (en) | Precision casting method of aluminum gearbox | |
| CN100534670C (en) | Fine casting method for super long lower pressure partition guide blade of turbine in stainless steel investment mold | |
| CN105057594B (en) | A kind of investment precision casting technology | |
| WO2017114065A1 (en) | Method for preparing environmentally friendly casting material | |
| CN105522111A (en) | Manufacturing method for ventilation type shell | |
| CN109365749B (en) | Vacuum hot forming production process for precision manufacturing of fired mold | |
| CN107838402A (en) | A kind of manufacture method of complicated magnesium alloy structural part | |
| CN109022923B (en) | Alloy component of low-cobalt high-temperature alloy supercharging turbine and preparation method thereof | |
| CN103509978B (en) | Heat treatment method for precision casting aluminum alloy | |
| CN104646605A (en) | Coating for cast aluminum alloy | |
| CN101288896A (en) | Gypsum cast material for melt mould casting | |
| CN101429045B (en) | Zirconium acetate agglutinate yttrium oxide shuttering and method for producing the same | |
| CN107695295A (en) | A kind of casting processing method of fusible pattern | |
| CN108015225A (en) | A kind of method for casting aluminium alloy of composite mould | |
| CN103506594B (en) | Precision casting method for engine vanes | |
| CN104707934A (en) | Method for preparing aluminum alloy cast coating | |
| CN100493778C (en) | Sand mould casting method for large-scale high-temperature alloy cast | |
| CN103658533B (en) | A kind of beryllium alumin(i)um alloy ceramic shell mould and preparation method thereof | |
| CN107052242A (en) | The combined type casting method that a kind of diecasting and model casting are combined |
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: 20160601 |