CN107052260B - Application of the ceramic core packet wax positioning process in model casting - Google Patents
Application of the ceramic core packet wax positioning process in model casting Download PDFInfo
- Publication number
- CN107052260B CN107052260B CN201710389444.2A CN201710389444A CN107052260B CN 107052260 B CN107052260 B CN 107052260B CN 201710389444 A CN201710389444 A CN 201710389444A CN 107052260 B CN107052260 B CN 107052260B
- Authority
- CN
- China
- Prior art keywords
- wax
- ceramic core
- formwork
- temperature
- casting
- 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.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/10—Cores; Manufacture or installation of cores
- B22C9/108—Installation of cores
-
- 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
Abstract
The present invention relates to a kind of application of ceramic core packet wax positioning process in model casting, belong to Aerial-casting preparing technical field.It uses package wax to wrap the first ceramic core and the second ceramic core, then the first ceramic core wrapped and the second ceramic core are put into mold and are positioned, it then begins to suppress, obtain wax-pattern, shell processed is carried out to it, dry dewaxing obtains required formwork, cast to obtain workpiece to formwork, the first ceramic core and the second ceramic core in workpiece are removed, final products are obtained.The ceramic core print of the present invention is using interference fit, ceramic core is positioned using medium temperature wax according to package is sized, this positioning method can increase ceramic core intensity, ceramic core is prevented to be broken, core print positioning accuracy request can be loosened, it reduces ceramic core to break, the required complex-shaped surface mould of Aerial-casting can be prepared.
Description
Technical field
The present invention relates to a kind of application of ceramic core packet wax positioning process in model casting, belong to Aerial-casting and prepare skill
Art field.
Background technology
It is indirectly more next to ceramic core positioning requirements as aviation precision castings require higher and higher, many casting cavities complexity
It is higher.The prior art is positioned using ceramic core core print substantially in a mold, and ceramic core local use mandril increases ceramic core intensity
It prevents from being broken when pressure wax.
The Aerial-casting of the requirement of high size, high metallurgical requirements, cavity complexity that conventional cast method cannot manufacture.
Invention content
The purpose of the present invention is overcoming above-mentioned shortcoming, a kind of ceramic core packet wax positioning process is provided in model casting
Application, the complex-shaped surface mould of cast-internal can be manufactured, meet the quality requirement of Aerial-casting.
Technical scheme of the present invention, application of the ceramic core packet wax positioning process in model casting use package wax will
First ceramic core and the second ceramic core wrap, and are then put into the first ceramic core wrapped and the second ceramic core in mold simultaneously
Positioned, then begin to suppress, obtain wax-pattern, carry out shell processed to it, dry dewaxing obtains required formwork, to formwork into
Row casting obtains workpiece, removes the first ceramic core and the second ceramic core in workpiece, obtains final products.
Application of the ceramic core packet wax positioning process in model casting, steps are as follows：
（1）Wrap up the preparation of wax：Wax package is carried out using the first ceramic core of MPI wax injectors pair and the second ceramic core；Setting
Parameter：1 70-75 DEG C of area's temperature of Chu Latong, 2 65-70 DEG C of area's temperature of Chu Latong, penetrates 56-58 DEG C of ceratuba temperature, penetrates wax pressure 6-
8kg/cm2, wax flow 90-120cc/s is penetrated, wax circulation time 1-3s, dwell time 0.1-0.5s are penetrated；First ceramic core and second
Ceramic core wraps up first layer wax, and the first ceramic core and the second ceramic core with package wax are obtained after wax cools down 4-6 hours；
（2）The preparation of wax-pattern：Continued to step using MPI wax injectors（1）Carry out filling wax, arrange parameter：1st areas Chu Latong
75-80 DEG C of temperature, 2 70-75 DEG C of area's temperature of Chu Latong, penetrates 60-62 DEG C of ceratuba temperature, penetrates wax pressure 8-11kg/cm2, penetrate wax stream
170-180cc/s is measured, is put into mold molding pressure wax to get to wax-pattern；
（3）Shell processed：By step（2）Gained wax-pattern carries out shell processed, wherein face under 22-26 DEG C of room temperature, humidity 40%-65%
Layer uses zirconium powder/sand, backing layer to use mullite powder/sand, and by 7 layers of shell processed, dewax the formwork needed after dry；
（4）Roasting：By step（3）Gained formwork is roasted at 1050-1150 DEG C to get to the formwork product after roasting.
To step（4）Gained formwork product is cast using 1590-1610 DEG C of molten steel, is obtained required casting, is then used
The NaOH solution that mass concentration is 50% impregnates casting, removes ceramic core, obtains final cast product.
Beneficial effects of the present invention：The ceramic core print of the present invention is using interference fit, and ceramic core is using medium temperature wax according to setting
It is sized package positioning, this positioning method can increase ceramic core intensity, ceramic core is prevented to be broken, be wanted to core print positioning accuracy
Asking can loosen, and reduce ceramic core and break, can prepare the required complex-shaped surface mould of Aerial-casting.
Description of the drawings
Fig. 1 is pressing mold schematic diagram of the present invention.
Fig. 2 is wax-pattern schematic diagram of the present invention.
Reference sign：1, wax-pattern；2, the first ceramic core；3, the second ceramic core；4, wax is wrapped up；5, mold.
Specific implementation mode
Embodiment 1
As shown in Figs. 1-2；Application of the ceramic core packet wax positioning process in model casting uses package wax 4 by first
Ceramic core 2 and the second ceramic core 3 wrap, and then the first ceramic core 2 wrapped and the second ceramic core 3 are put into mold 5
And positioned, it then begins to suppress, obtains wax-pattern 1, shell processed is carried out to it, dry dewaxing obtains required formwork, to formwork
It is cast to obtain workpiece, removes the first ceramic core 2 and the second ceramic core 3 in workpiece, obtain final products.
Embodiment 2
Application of the ceramic core packet wax positioning process in model casting, steps are as follows：
（1）Wrap up the preparation of wax：Wax package is carried out using the first ceramic core of MPI wax injectors pair and the second ceramic core；Setting
Parameter：1 area's temperature 70 Cs of Chu Latong, 65 DEG C of 2 area's temperature of Chu Latong, penetrate 56 DEG C of ceratuba temperature, penetrate wax pressure 6kg/cm2, penetrate wax
Flow 90cc/s penetrates wax circulation time 3s, dwell time 0.5s；First ceramic core and the second ceramic core wrap up first layer wax, wait for
Wax obtains the first ceramic core and the second ceramic core with package wax after cooling down 4 hours；
（2）The preparation of wax-pattern：Continued to step using MPI wax injectors（1）Carry out filling wax, arrange parameter：1st areas Chu Latong
75 DEG C of temperature, 2 area's temperature 70 Cs of Chu Latong, penetrates ceratuba temperature 60 C, penetrates wax pressure 8kg/cm2, wax flow 170cc/s is penetrated, is put
Enter in mold molding pressure wax to get to wax-pattern；
（3）Shell processed：By step（2）Gained wax-pattern carries out shell processed under 22 DEG C of room temperature, humidity 40%%, and wherein face layer uses
Zirconium powder/sand, backing layer use mullite powder/sand, and by 7 layers of shell processed, dewax the formwork needed after dry；
（4）Roasting：By step（3）Gained formwork is roasted at 1050 DEG C to get to the formwork product after roasting.
To step（4）Gained formwork product is cast using 1590 DEG C of molten steel, obtains required casting, then uses quality dense
Degree impregnates casting for 50% NaOH solution, removes ceramic core, obtains final cast product.
Embodiment 3
Application of the ceramic core packet wax positioning process in model casting, steps are as follows：
（1）Wrap up the preparation of wax：Wax package is carried out using the first ceramic core of MPI wax injectors pair and the second ceramic core；Setting
Parameter：75 DEG C of 1 area's temperature of Chu Latong, 2 area's temperature 70 Cs of Chu Latong, penetrates 58 DEG C of ceratuba temperature, penetrates wax pressure 8kg/cm2, penetrate wax
Flow 120cc/s penetrates wax circulation time 1s, dwell time 0.1s；First ceramic core and the second ceramic core wrap up first layer wax, wait for
Wax obtains the first ceramic core and the second ceramic core with package wax after cooling down 4 hours；
（2）The preparation of wax-pattern：Continued to step using MPI wax injectors（1）Carry out filling wax, arrange parameter：1st areas Chu Latong
80 DEG C of temperature, 75 DEG C of 2 area's temperature of Chu Latong, penetrates 62 DEG C of ceratuba temperature, penetrates wax pressure 11kg/cm2, wax flow 180cc/s is penetrated, is put
Enter in mold molding pressure wax to get to wax-pattern；
（3）Shell processed：By step（2）Gained wax-pattern carries out shell processed under 26 DEG C of room temperature, humidity 65%, and wherein face layer uses zirconium
Powder/sand, backing layer use mullite powder/sand, and by 7 layers of shell processed, dewax the formwork needed after dry；
（4）Roasting：By step（3）Gained formwork is roasted at 1150 DEG C to get to the formwork product after roasting.
To step（4）Gained formwork product is cast using 1610 DEG C of molten steel, obtains required casting, then uses quality dense
Degree impregnates casting for 50% NaOH solution, removes ceramic core, obtains final cast product.
Embodiment 4
Application of the ceramic core packet wax positioning process in model casting, steps are as follows：
（1）Wrap up the preparation of wax：Wax package is carried out using the first ceramic core of MPI wax injectors pair and the second ceramic core；Setting
Parameter：72 DEG C of 1 area's temperature of Chu Latong, 68 DEG C of 2 area's temperature of Chu Latong, penetrates 57 DEG C of ceratuba temperature, penetrates wax pressure 7kg/cm2, penetrate wax
Flow 105cc/s penetrates wax circulation time 2s, dwell time 0.3s；First ceramic core and the second ceramic core wrap up first layer wax, wait for
Wax obtains the first ceramic core and the second ceramic core with package wax after cooling down 5 hours；
（2）The preparation of wax-pattern：Continued to step using MPI wax injectors（1）Carry out filling wax, arrange parameter：1st areas Chu Latong
78 DEG C of temperature, 73 DEG C of 2 area's temperature of Chu Latong, penetrates 61 DEG C of ceratuba temperature, penetrates wax pressure 10kg/cm2, wax flow 175cc/s is penetrated, is put
Enter in mold molding pressure wax to get to wax-pattern；
（3）Shell processed：By step（2）Gained wax-pattern carries out shell processed under 24 DEG C of room temperature, humidity 50%, and wherein face layer uses zirconium
Powder/sand, backing layer use mullite powder/sand, and by 7 layers of shell processed, dewax the formwork needed after dry；
（4）Roasting：By step（3）Gained formwork is roasted at 1100 DEG C to get to the formwork product after roasting.
To step（4）Gained formwork product is cast using 1610 DEG C of molten steel, obtains required casting, then uses quality dense
Degree impregnates casting for 50% NaOH solution, removes ceramic core, obtains final cast product.
Claims (2)
1. application of the ceramic core packet wax positioning process in model casting, it is characterized in that：It uses package wax（4）By the first ceramics
Core（2）With the second ceramic core（3）It wraps, the first ceramic core that will then wrap（2）With the second ceramic core（3）It is put into mold
（5）In and positioned, then begin to suppress, obtain wax-pattern（1）, shell processed is carried out to it, dry dewaxing obtains required formwork, right
Formwork is cast to obtain workpiece, removes the first ceramic core in workpiece（2）With the second ceramic core（3）, obtain final products；
It is as follows：
Step 1: the preparation of package wax：Use the first ceramic core of MPI wax injectors pair（2）With the second ceramic core（3）Carry out wax packet
It wraps up in；Arrange parameter：1 70-75 DEG C of area's temperature of Chu Latong, 2 65-70 DEG C of area's temperature of Chu Latong, penetrates 56-58 DEG C of ceratuba temperature, penetrates wax
Pressure 6-8kg/cm2, wax flow 90-120cc/s is penetrated, wax circulation time 1-3s, dwell time 0.1-0.5s are penetrated；First ceramic core
（2）With the second ceramic core（3）First layer wax is wrapped up, is obtained with package wax after wax cools down 4-6 hours（4）First ceramics
Core（2）With the second ceramic core（3）；
Step 2: the preparation of wax-pattern：Continue to carry out filling wax, arrange parameter to step 1 using MPI wax injectors：1 area's temperature of Chu Latong
75-80 DEG C of degree, 2 70-75 DEG C of area's temperature of Chu Latong penetrates 60-62 DEG C of ceratuba temperature, penetrates wax pressure 8-11kg/cm2, penetrate wax flow
170-180cc/s is put into mold molding pressure wax to get to wax-pattern（1）；
Step 3: shell processed：By wax-pattern obtained by step 2（1）Shell processed, wherein face are carried out under 22-26 DEG C of room temperature, humidity 40%-65%
Layer uses zirconium powder/sand, backing layer to use mullite powder/sand, and by 7 layers of shell processed, dewax the formwork needed after dry；
Step 4: roasting：Formwork obtained by step 3 is roasted at 1050-1150 DEG C to get to the formwork product after roasting.
2. application of the ceramic core packet wax positioning process as described in claim 1 in model casting, it is characterized in that：To step 4 institute
Formwork product using 1590-1610 DEG C molten steel cast, obtain required casting, then use mass concentration for 50% NaOH
Solution impregnates casting, removes ceramic core, obtains final cast product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710389444.2A CN107052260B (en) | 2017-05-27 | 2017-05-27 | Application of the ceramic core packet wax positioning process in model casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710389444.2A CN107052260B (en) | 2017-05-27 | 2017-05-27 | Application of the ceramic core packet wax positioning process in model casting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107052260A CN107052260A (en) | 2017-08-18 |
| CN107052260B true CN107052260B (en) | 2018-11-13 |
Family
ID=59615361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710389444.2A Active CN107052260B (en) | 2017-05-27 | 2017-05-27 | Application of the ceramic core packet wax positioning process in model casting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107052260B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3096910B1 (en) * | 2019-06-05 | 2021-05-14 | Safran | Improved method of forming a wax model for a turbine blade. |
| CN114160755A (en) * | 2021-03-01 | 2022-03-11 | 贵州安吉航空精密铸造有限责任公司 | Investment casting forming method for casting with built-in L-shaped hollow pipe |
| CN113787168B (en) * | 2021-09-14 | 2023-04-07 | 河北光德精密机械股份有限公司 | Precise thread casting process for high-temperature alloy part |
| CN115213352B (en) * | 2022-08-12 | 2024-02-02 | 肇庆匹思通机械有限公司 | Volute forming process |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060032600A1 (en) * | 2004-08-10 | 2006-02-16 | Signicast Corporation | Mold releasable pattern material for use in investment casting |
| CN100333857C (en) * | 2005-11-29 | 2007-08-29 | 辽宁省轻工科学研究院 | Methd for preparing core of hollow ceramic |
| CN105215276A (en) * | 2015-10-30 | 2016-01-06 | 鹰普（中国）有限公司 | A kind of ceramic core investment casting method |
| CN105290337B (en) * | 2015-11-16 | 2017-07-25 | 沈阳黎明航空发动机(集团)有限责任公司 | A kind of concatermer blade casting method |
| CN106001513B (en) * | 2016-04-19 | 2018-04-13 | 中国航空工业集团公司北京航空材料研究院 | A kind of preparation method of precision-investment casting single crystal super alloy thin-walled sample |
-
2017
- 2017-05-27 CN CN201710389444.2A patent/CN107052260B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN107052260A (en) | 2017-08-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107052260B (en) | Application of the ceramic core packet wax positioning process in model casting | |
| CN103990761A (en) | Manufacturing method of hollow turbine blade provided with impact hole structure | |
| CN105618678A (en) | Preparation method for environment-friendly refined casting mold shell | |
| CN109047660B (en) | Impeller full form casting process, impeller and centrifugal compressor | |
| KR101761048B1 (en) | Core for precision casting, production method therefor, and mold for precision casting | |
| CN105618677A (en) | Preparation method for environment-friendly casting material | |
| CN110732637A (en) | turbine blade air film hole precision forming method | |
| CN107838402A (en) | A kind of manufacture method of complicated magnesium alloy structural part | |
| CN107497999A (en) | A kind of titanium investment pattern precision casting process | |
| CN104550719A (en) | Ice mold based investment casting technology | |
| CN103394644B (en) | Casting method capable of preventing precise investment casting from generating hot-spot shrinkage holes | |
| CN110640085A (en) | Investment casting process for hollow casting | |
| CN112139451A (en) | Investment casting process of complex thin-wall hollow aluminum alloy aviation part | |
| CN113461412A (en) | Core-shell integrated casting mold with controllable gap and preparation method and application thereof | |
| KR101653021B1 (en) | Method for producing an article having a cavity | |
| RU2314891C1 (en) | Mold making method for casting with use of investment patterns | |
| CN104985121A (en) | Casting method of vehicle medium-and-large-sized stamping die | |
| CN107598087A (en) | A kind of casting method of lost foam casting stainless steel work-piece | |
| CN103639396A (en) | Method for producing metallic titanium and titanium alloy castings through ceramic molds | |
| US3389743A (en) | Method of making resinous shell molds | |
| CN107737881A (en) | A kind of preparation method of the titanium alloy graphite molds casting with small gaps | |
| CN110860658B (en) | Preparation method of wax mold gypsum core of cylindrical thin-wall complex component | |
| JPS6317020B2 (en) | ||
| CN114346170A (en) | Method for investment casting of high-temperature alloy casting | |
| CN101992286A (en) | Vacuum low-pressure casting method for casting copper impeller of water pump |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.18 Furong 5th Road, Xishan Economic Development Zone, Wuxi City, Jiangsu Province Patentee after: Yingpu Aviation Technology Co., Ltd Address before: No.18 Furong 5th Road, Xishan Economic Development Zone, Wuxi City, Jiangsu Province Patentee before: IMPRO AVIATION COMPONENTS (WUXI) Co.,Ltd. |