CN105834368A - Ball clay sprue cup for casting and manufacturing method for ball clay sprue cup - Google Patents
Ball clay sprue cup for casting and manufacturing method for ball clay sprue cup Download PDFInfo
- Publication number
- CN105834368A CN105834368A CN201610408253.1A CN201610408253A CN105834368A CN 105834368 A CN105834368 A CN 105834368A CN 201610408253 A CN201610408253 A CN 201610408253A CN 105834368 A CN105834368 A CN 105834368A
- Authority
- CN
- China
- Prior art keywords
- clay
- ball clay
- mesh
- granularity
- ball
- 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.)
- Granted
Links
- 239000010427 ball clay Substances 0.000 title claims abstract description 37
- 238000005266 casting Methods 0.000 title claims abstract description 23
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 10
- 239000004927 clay Substances 0.000 claims abstract description 20
- 238000005245 sintering Methods 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000000843 powder Substances 0.000 claims abstract description 6
- 239000002994 raw material Substances 0.000 claims description 13
- 238000002360 preparation method Methods 0.000 claims description 9
- 238000001035 drying Methods 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 8
- 238000000465 moulding Methods 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 5
- 239000007921 spray Substances 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 238000011068 loading method Methods 0.000 claims 1
- 239000004576 sand Substances 0.000 abstract description 3
- 238000001816 cooling Methods 0.000 abstract 1
- 239000002245 particle Substances 0.000 abstract 1
- 238000010227 cup method (microbiological evaluation) Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910001060 Gray iron Inorganic materials 0.000 description 1
- 235000010627 Phaseolus vulgaris Nutrition 0.000 description 1
- 244000046052 Phaseolus vulgaris Species 0.000 description 1
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 239000002671 adjuvant Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 201000001371 inclusion conjunctivitis Diseases 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 206010044325 trachoma Diseases 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/08—Features with respect to supply of molten metal, e.g. ingates, circular gates, skim gates
- B22C9/082—Sprues, pouring cups
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Mold Materials And Core Materials (AREA)
Abstract
The invention discloses a ball clay sprue cup for casting and a manufacturing method for the ball clay sprue cup, the problem that pouring quality is affected and casting cost is reduced by a current sand mould sprue cup is solved, and the pouring quality can be effectively improved. The ball clay sprue cup consists of the following components: ball clay, black clay, flint clay and a little water. The manufacturing method for the ball clay sprue cup comprises the following steps: taking the ball clay and the black clay as base stock, taking the flint clay as an auxiliary material, adopting a powder metallurgic method to form the materials, sintering the materials in a furnace being 1250-1320 DEG C, and cooling the materials along with the furnace, wherein in material ratio capacity, the 60-80-mesh ball clay accounts for 45%-50%, the 60-80-mesh black clay accounts for 30%-35%, and the flint clay with particle size smaller than or equal to 1mm accounts for 18%-20%.
Description
Technical field
The present invention relates to a kind of casting ball clay cup and preparation method thereof.
Background technology
Cup is the basic ingredient for foundry engieering, particularly has extremely close relation with the development of metallurgical industry,
It is one of the important composition parts of smelting process equipment.Cup is mainly used for guiding molten metal to flow into sprue smoothly and enter
Mould cavity, existing cup predominantly sand mold is made, and easily makes foundry goods produce pore, trachoma, ferrum in casting process
The defects such as bean, slag blister, shrinkage cavity, crackle and misrun, have impact on the product quality of foundry goods, and when cast aluminum alloy-steel casting,
Cannot Reusability, disposable the most useless.
Summary of the invention
The purpose of the present invention is contemplated to solve the problems referred to above, it is provided that a kind of casting ball clay cup and preparation method thereof, solves
Current sand mold runner cup of having determined affects casting quality and reduces the problem of casting cost, also is able to be effectively improved casting quality simultaneously.
To achieve these goals, the present invention adopts the following technical scheme that
A kind of casting uses the ball clay cup, each raw material volumeter ratio to be: the ball clay 45%～50% of granularity 80～100 mesh,
The smolmitza 30%～35% of 60～80 mesh, the flint clay 18%～20% of granularity≤1mm.
Preferably: a kind of casting uses the ball clay cup, each raw material volumeter ratio to be: the ball clay 48% of granularity 80～100 mesh,
The smolmitza 32% of 60～80 mesh, the flint clay 20% of granularity≤1mm.
A kind of manufacture method casting use ball clay cup, by volumeter ratio be: the ball clay of granularity 80～100 mesh
The smolmitza 30%～35% of 45%～50%, 60～80 mesh, flint clay 18%～20% mixing of granularity≤1mm, use powder
Metallurgy method molding, then makes after sintering in the range of 1250 DEG C～1300 DEG C.
Preferably: igloss ratio≤13% during described sintering, bulk density is >=2.65g/cm3, apparent porosity is 18.65%.
Preferably: described sintering temperature is 1275 ± 10 DEG C.
A kind of manufacture method casting use ball clay cup, specifically comprises the following steps that
(1) three kinds of materials are poured in puddle mixer respectively in corresponding ratio, machine and carry out mix homogeneously 5～8min, so
After spray a small amount of water (preferably: the amount adding water is the most about 5～6%) again when stirring mixing, mix 5～10min, use
Standing (preferably: be placed on calm local placement 15～20h) is built in sealing；
(2) material mixed is loaded mould (mould of cup is carried out in advance) according to required size, at four column press
On be pressed；
(3) electric drier dries (preferably: drying temperature 50～70 DEG C, drying time 6～8h)；
(4) goods after drying are put in high temperature sintering furnace with stove heat-agglomerating, sintering temperature 1275 ± 10 DEG C.
Beneficial effects of the present invention:
The present invention uses ball clay, smolmitza and flint clay to be raw material, and repressed molding, the most again through high-temperature firing, is fired
Temperature is 1250 DEG C～1300 DEG C, and finished product refractoriness can reach 1610 DEG C～1770 DEG C.
The cup of the present invention, as in figure 2 it is shown, anti-slag erosion, slows down the formation of reaction metamorphic layer；Intensity is high, resistance to erosion；Heat-resisting
Shake, resists thermal shocking；Under high temperature, thermoplasticity is good, buffers thermal stress, few dry slag.Especially can be anti-during cast aluminum alloy components
Multiple use.
Accompanying drawing explanation
Fig. 1 is one of them size of cup prepared by the present invention；
Fig. 2 is the material object of the cup prepared by the present invention.
Detailed description of the invention
Embodiment 1
With ball clay and smolmitza as major ingredient, with flint clay as adjuvant, use powder metallurgic method molding, at 1250 DEG C～1300 DEG C
In the range of sintering after make；Wherein, based on composition different capabilities ratio, the ball clay 45%～50% of 80 mesh～100 mesh, 60
Mesh～80 purposes black viscous 30%～35%, the flint clay 18%～20% of≤1mm granule.
Its igloss ratio≤13% during sintering, bulk density is >=2.65g/cm3, apparent porosity is 18.65%, the resistance to pressure of product room temperature
Degree 16.38MPa, containing SiO258%, Al2O335%, remaining is such as Fe2O3、TiO2Deng impurity.Finished size tolerance endoporus, outer
Circle, height are less than the 1% of drawing requirement.
Embodiment 2
A kind of casting uses the ball clay cup, each raw material volumeter ratio to be: the ball clay 45%, 60 of granularity 80～100 mesh～
The smolmitza 35% of 80 mesh, the flint clay 20% of granularity≤1mm, preparation method: each raw material is mixed, use powder metallurgic method
Molding, then makes after sintering in the range of 1250 DEG C.
Embodiment 3
A kind of casting uses the ball clay cup, each raw material volumeter ratio to be: the ball clay 50%, 60 of granularity 80～100 mesh～
The smolmitza 32% of 80 mesh, the flint clay 18% of granularity≤1mm, preparation method: each raw material is mixed, use powder metallurgic method
Molding, then makes after sintering in the range of 1300 DEG C.
Embodiment 4
A kind of casting uses the ball clay cup, each raw material volumeter ratio to be: the ball clay 50%, 60 of granularity 80～100 mesh～
The smolmitza 30% of 80 mesh, the flint clay 20% of granularity≤1mm, preparation method: each raw material is mixed, use powder metallurgic method
Molding, then makes after sintering in the range of 1300 DEG C.
Embodiment 5
A kind of casting uses the ball clay cup, each raw material volumeter ratio to be: the ball clay 48%, 60 of granularity 80～100 mesh～
The smolmitza 32% of 80 mesh, the flint clay 20% of granularity≤1mm.
Performance verification is tested:
1, experimental facilities:
63TFour column press, material universal testing machine, RVS high temperature sintering furnace, S110 type rotator mixer, drying oven etc..
2, experimental procedure:
(1) three kinds of materials are poured in puddle mixer respectively in the ratio in embodiment 5, machine and carry out mix homogeneously 5～8min,
The most again stirring mixing time spray minimal amount of water (by rule of thumb observe mulling state, be careful not to, on surface, caking phenomenon occurs,
The amount of water the most about 5～6%, the i.e. consumption of water are the 5～6% of raw materials quality), mix 5～10min.It is mixed material and pours appearance into
Device (is numbered), builds with Polypropylence Sheet, be placed on calm local placement 15～20h.
(2) (mould of cup is carried out according to required size in advance, chi as shown in Figure 1 the material mixed to be loaded mould
Very little), four column press are pressed.
(3) qualified stampings answer pallet number, fill in die mould record, send electric drier to dry.Stampings dry temperature
50～70 DEG C, drying time 6～8h.
(4) goods after drying are put in high temperature sintering furnace with stove heat-agglomerating.Sintering temperature 1275 ± 10 DEG C, temperature control is used
Silicon-controlled voltage regulation automatic control, monitors with UJ3 1 potential difference meter.
(5) by the comprcssive strength experiment respectively of five samples: cup is lain in the operation interval of universal testing machine, use microcomputer control
Operation processed is pressurizeed, and till producing crack, screen shows the compression strength value under the room temperature of this product.This tests use
Cup size is height 80mm, wall thickness 10mm, the cone cylinder formula cup of upper bore 100mm, lower bore 60mm.Different
Wall thickness comprcssive strength be different.
(6) bulk density of product JG85 type balance measures density p=G/V.
(7) with 1380 DEG C of gray iron metal liquid cast, the situation of change (see table) of cup inwall leaching corrosion is observed.
(8) sample is heated to 850 DEG C, is then placed in cold water, twice repeatedly.Observe the change (see table) of profile.
Ball clay is that main material makes cup Comparison of experiment results
Although the above-mentioned detailed description of the invention to the present invention is described, but not limiting the scope of the invention, affiliated
Skilled person should be understood that on the basis of technical scheme, and those skilled in the art need not pay creativeness
Various amendments that work can be made or deformation are still within protection scope of the present invention.
Claims (10)
1. a ball clay cup is used in casting, it is characterized in that: each raw material volumeter ratio is: the ball of granularity 80～100 mesh
The smolmitza 30%～35% of clay 45%～50%, 60～80 mesh, the flint clay 18%～20% of granularity≤1mm.
2. ball clay cup is used in a kind of casting as claimed in claim 1, it is characterized in that: each raw material volumeter ratio is:
The smolmitza 32% of ball clay 48%, 60～80 mesh of granularity 80～100 mesh, the flint clay 20% of granularity≤1mm.
A kind of manufacture method casting use ball clay cup the most as claimed in claim 1 or 2, is characterized in that: by volumeter
Ratio is: the smolmitza 30%～35% of ball clay 45%～50%, 60～80 mesh of granularity 80～100 mesh, granularity≤1mm
Flint clay 18%～20% mixing, use powder metallurgic method molding, then in the range of 1250 DEG C～1300 DEG C sintering after make.
4. preparation method as claimed in claim 3, is characterized in that: igloss ratio≤13% during described sintering.
5. preparation method as claimed in claim 3, is characterized in that: during described sintering, bulk density is >=2.65g/cm3, apparent pore
Rate is 18.65%.
6. preparation method as claimed in claim 3, is characterized in that: described sintering temperature is 1275 ± 10 DEG C.
A kind of manufacture method casting use ball clay cup the most as claimed in claim 1, is characterized in that: specifically comprise the following steps that
(1) three kinds of materials are poured in puddle mixer respectively in corresponding ratio, machine and carry out mix homogeneously 5～8min, so
After spray a small amount of water when stirring mixing again, mix 5～10min, build standing with sealing；
(2) material mixed loading mould is pressed on four column press；
(3) electric drier is dried；
(4) goods after drying are put in high temperature sintering furnace with stove heat-agglomerating, sintering temperature 1275 ± 10 DEG C.
8. manufacture method as claimed in claim 7, is characterized in that: stands in described step (1) and puts for being placed on calm place
Put 15～20h.
9. manufacture method as claimed in claim 7, is characterized in that: add the amount of water in described step (1) for by weight for 5-6%.
10. manufacture method as claimed in claim 7, is characterized in that: described step (3) middle drying temperature 50～70 DEG C, dries
The dry time 6～8h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610408253.1A CN105834368B (en) | 2016-06-12 | 2016-06-12 | A kind of casting ball clay sprue cup and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610408253.1A CN105834368B (en) | 2016-06-12 | 2016-06-12 | A kind of casting ball clay sprue cup and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105834368A true CN105834368A (en) | 2016-08-10 |
| CN105834368B CN105834368B (en) | 2018-07-24 |
Family
ID=56576565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610408253.1A Expired - Fee Related CN105834368B (en) | 2016-06-12 | 2016-06-12 | A kind of casting ball clay sprue cup and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105834368B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106270396A (en) * | 2016-09-30 | 2017-01-04 | 常州万兴纸塑有限公司 | Casting pouring channel tube and the equipment of manufacture thereof |
| CN110523925A (en) * | 2019-09-30 | 2019-12-03 | 西安皓森精铸有限公司 | Sprue cup model and its application method for model casting |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5502013A (en) * | 1991-05-08 | 1996-03-26 | James; Gilbert | Method for making a smooth-surface ceramic |
| US5731250A (en) * | 1996-12-02 | 1998-03-24 | Norton Chemical Process Products Corporation | Corrosion resistant ceramic bodies |
| CN1486957A (en) * | 2003-08-08 | 2004-04-07 | 王黎明 | Fireproof floor tile |
| CN101644358A (en) * | 2009-08-21 | 2010-02-10 | 于海峰 | Novel energy-saving pouring gate pipe |
| CN103171027A (en) * | 2011-12-22 | 2013-06-26 | 辽宁法库陶瓷工程技术研究中心 | Preparation method for circular type ceramic sprue cup in machine wheel forming mode |
| CN203418086U (en) * | 2013-07-24 | 2014-02-05 | 成都锦兴机电有限责任公司 | Recycling sprue cup for lost foam casting |
| CN104529480A (en) * | 2014-12-03 | 2015-04-22 | 河南三松瓷业有限公司 | Production method of mechanically press-molded high-temperature baffle brick |
| CN104671800A (en) * | 2013-12-03 | 2015-06-03 | 辽宁法库陶瓷工程技术研究中心 | Production method of high-heat stability ceramic pouring cup |
| CN104774021A (en) * | 2015-04-10 | 2015-07-15 | 辉煌水暖集团有限公司 | Bonding clay used for kiln refractory bricks, and preparation process thereof |
-
2016
- 2016-06-12 CN CN201610408253.1A patent/CN105834368B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5502013A (en) * | 1991-05-08 | 1996-03-26 | James; Gilbert | Method for making a smooth-surface ceramic |
| US5731250A (en) * | 1996-12-02 | 1998-03-24 | Norton Chemical Process Products Corporation | Corrosion resistant ceramic bodies |
| CN1486957A (en) * | 2003-08-08 | 2004-04-07 | 王黎明 | Fireproof floor tile |
| CN101644358A (en) * | 2009-08-21 | 2010-02-10 | 于海峰 | Novel energy-saving pouring gate pipe |
| CN103171027A (en) * | 2011-12-22 | 2013-06-26 | 辽宁法库陶瓷工程技术研究中心 | Preparation method for circular type ceramic sprue cup in machine wheel forming mode |
| CN203418086U (en) * | 2013-07-24 | 2014-02-05 | 成都锦兴机电有限责任公司 | Recycling sprue cup for lost foam casting |
| CN104671800A (en) * | 2013-12-03 | 2015-06-03 | 辽宁法库陶瓷工程技术研究中心 | Production method of high-heat stability ceramic pouring cup |
| CN104529480A (en) * | 2014-12-03 | 2015-04-22 | 河南三松瓷业有限公司 | Production method of mechanically press-molded high-temperature baffle brick |
| CN104774021A (en) * | 2015-04-10 | 2015-07-15 | 辉煌水暖集团有限公司 | Bonding clay used for kiln refractory bricks, and preparation process thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106270396A (en) * | 2016-09-30 | 2017-01-04 | 常州万兴纸塑有限公司 | Casting pouring channel tube and the equipment of manufacture thereof |
| CN106270396B (en) * | 2016-09-30 | 2019-03-01 | 常州万兴纸塑有限公司 | Pouring channel tube is used in casting |
| CN110523925A (en) * | 2019-09-30 | 2019-12-03 | 西安皓森精铸有限公司 | Sprue cup model and its application method for model casting |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105834368B (en) | 2018-07-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103360079B (en) | Method for customizing core and shell of integrated ceramic mold of hollow turbine blade | |
| CN105645979B (en) | A kind of air brick of steel ladle and preparation method thereof | |
| CN105838952B (en) | A kind of magnesium alloy kettle and its manufacture method | |
| US9828481B2 (en) | Method of manufacturing porous ceramic body and composition for porous ceramic body | |
| CN104972063A (en) | Method for manufacturing wax mould for precision investment casting | |
| CN105834368A (en) | Ball clay sprue cup for casting and manufacturing method for ball clay sprue cup | |
| CN107695285A (en) | The sand mulling craft of jacket core in diesel engine cylinder cover cast blank | |
| CN106631050A (en) | Cleaning-free air brick with uniform structure and manufacturing method thereof | |
| CN101947648A (en) | Method for producing large zirconium and zirconium alloy casting | |
| CN102198496A (en) | Process for processing cylinder sleeve of diesel engine | |
| CN114769507A (en) | Casting method of hydraulic casting | |
| CN101857443A (en) | Method for preparing large-sized ceramic grinding balls | |
| CN100402461C (en) | Magnesia ceramic core and its injection moulding process | |
| CN108746483A (en) | A kind of aquamaine ground mass composite coating and preparation method thereof | |
| WO2023133911A1 (en) | Preparation process for multi-component spherical alloy powder | |
| JP7437024B2 (en) | Manufacturing method for metal molded products | |
| Dave et al. | Optimization of ceramic shell mold materials in investment casting | |
| CN102806305B (en) | Preparation method of dope for metal type casting of magnesium alloy thin-walled component | |
| CN112481559B (en) | High-compactness zirconium-based block amorphous alloy casting with weight more than kilogram level and casting method thereof | |
| CN110527790A (en) | The production method of anti-breaking type combined cone disperse air brick | |
| CN116589287B (en) | Low-cost and long-service-life sliding plate brick and preparation method thereof | |
| CN102773437B (en) | Setting method of steel flowing hole in slag blocking wall | |
| KR20160124633A (en) | Foundry sand | |
| US422055A (en) | Mold for casting | |
| CN106242535A (en) | A kind of low pressure casting and suction pouring heat-resisting alloy stalk formula and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180724 |