CN106238681A - Lost Wax Casting shell waters cast copper production method - Google Patents
Lost Wax Casting shell waters cast copper production method Download PDFInfo
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- CN106238681A CN106238681A CN201610784223.0A CN201610784223A CN106238681A CN 106238681 A CN106238681 A CN 106238681A CN 201610784223 A CN201610784223 A CN 201610784223A CN 106238681 A CN106238681 A CN 106238681A
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- shell
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- stratotype
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- 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
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- Mold Materials And Core Materials (AREA)
Abstract
The invention discloses a kind of Lost Wax Casting shell and water cast copper production method, it is characterised in that comprise the following steps: waterglass and Mo Lai powder with weight ratio as 1:1～1.2 are configured to slurry；Being put into by the cere mould organized after soaking in slurry, spreading last layer granularity mesh number on its surface is that 100～120 purposes do not carry out powder, then air-dries hardening；It is placed again in slurry soaking, after repeated several times, the shell of multiple-layer stacked can be formed；Shell is toasted in low temp. electric oven until by complete for the wax in the shell demoulding；Carry out calcining 4～5 hours at temperature is 800～830 DEG C by the shell after dewaxing；After having calcined, in shell, inject copper water cast, the most i.e. form copper casting product.Copper casting smooth surface, decorative pattern that the method makes are clear, and yield rate is high.
Description
Technical field
The present invention relates to shell manufacture and casting process technical field, water more particularly, to a kind of Lost Wax Casting shell
Cast copper production method.
Background technology
In precision casting process, shell is to affect one of the most key factor of casting quality, and it not only decides casting
The dimensional accuracy of part and surface roughness, and directly affect manufacturing cost and the production efficiency of foundry goods.At present, domestic essence casting
Part is widely used that water glass type casing tech in producing, and water glass type casing tech has the production history of more than 50 year at home,
Suitable proportion is still occupied, its cheap cost, the shortest production cycle, excellent hulling performance and height in Jing Zhu producer of China
Breathability is still less than other any shell techniques a little so far.But, casting quality, including surface roughness, defect
Quantity, dimensional accuracy, yield rate, repair rate etc. are all poor than other techniques.
Summary of the invention
For problems of the prior art, it is an object of the invention to provide a kind of Lost Wax Casting shell and water cast copper life
Product method, the copper casting surfacing that the method is formed is smooth, clean mark, dimensional accuracy high, cost of labor is low.
The technical solution adopted in the present invention is: a kind of Lost Wax Casting shell waters cast copper production method, comprises the following steps:
Step (1): waterglass and Mo Lai powder with weight ratio as 1:1～1.2 are configured to slurry；
Step (2): the cere mould organized is put into comprehensive immersion in slurry, slurry viscosity is 20Pa s, takes out
It is that 120 purposes do not carry out powder till no longer gluing powder that its surface sprinkles granularity mesh number, and then hardening 1～5 minute air-dries 20～30
Minute formed a stratotype shell；
Step (3): a stratotype shell is put into comprehensive immersion in the slurry that viscosity is 15Pa s, takes out and spreads on its surface
Upper granularity mesh number is that 60 purposes do not carry out powder till no longer gluing powder, and then hardening 5～10 minutes air-dry 20～30 minutes and formed
Two stratotype shells；
Step (4): two stratotype shells are put into comprehensive immersion in the slurry that viscosity is 30Pa s, takes out and spreads on its surface
Upper granularity mesh number is that 30 purposes do not carry out powder till no longer gluing powder, and then hardening 10～30 minutes air-dry 20～30 minutes shapes
Become three stratotype shells；
Step (5): three stratotype shells are put into comprehensive immersion in the slurry that viscosity is 40～50Pa s, takes out at its table
It is that 10～16 purposes do not carry out powder till no longer gluing powder that face sprinkles granularity mesh number, and then hardening more than 1 hour air-dries 20～30
Minute formed four stratotype shells；
Step (6): four stratotype shells are put into comprehensive immersion in the slurry that viscosity is 40～50Pa s, takes out at its table
It is that 10～16 purposes do not carry out powder till no longer gluing powder that face sprinkles granularity mesh number, and then hardening more than 1 hour air-dries 20～30
Minute formed five stratotype shells；
Step (7): five stratotype shells are toasted in low temp. electric oven until by complete for the wax in the shell demoulding, baking temperature
It it is 150～200 DEG C；
Step (8): carry out calcining 4～5 hours at temperature is 800～830 DEG C by the shell after dewaxing；
Step (9): after having calcined, injects copper water in shell and casts, the most i.e. form copper casting product.
The invention have the benefit that not carrying out powder has higher fire resistance and thermo-chemical stability, hardness is high, the present invention
The mixture not carrying out powder that addition granule is thinner in waterglass, as the raw material of casting shell, carries out five shells processed, shell
Intensity height is difficult to shattered crack and deformation, can carry out repeatedly the casting of foundry goods, fire resistance and thermo-chemical stability, and hardness is high, compactness
Preferable with breathability, the casting in bronze forging piece surfacing after casting is smooth, clean mark, precision high, finished product rate height and work
Sequence is simple to operate, cost of labor is low.
Detailed description of the invention
Describing the present invention below in conjunction with specific embodiment, the description of this part is only exemplary and explains
Property, protection scope of the present invention should there be is not any restriction effect.
A kind of Lost Wax Casting shell of the present invention waters cast copper production method, comprises the following steps:
Step (1): waterglass and Mo Lai powder with weight ratio as 1:1～1.2 are configured to slurry；
Step (2): the cere mould organized is put into comprehensive immersion in slurry, slurry viscosity is 20Pa s, takes out
It is that 120 purposes do not carry out powder till no longer gluing powder that its surface sprinkles granularity mesh number, and then hardening 1～5 minute air-dries 20～30
Minute formed a stratotype shell；
Step (3): a stratotype shell is put into comprehensive immersion in the slurry that viscosity is 15Pa s, takes out and spreads on its surface
Upper granularity mesh number is that 60 purposes do not carry out powder till no longer gluing powder, and then hardening 5～10 minutes air-dry 20～30 minutes and formed
Two stratotype shells；
Step (4): two stratotype shells are put into comprehensive immersion in the slurry that viscosity is 30Pa s, takes out and spreads on its surface
Upper granularity mesh number is that 30 purposes do not carry out powder till no longer gluing powder, and then hardening 10～30 minutes air-dry 20～30 minutes shapes
Become three stratotype shells；
Step (5): three stratotype shells are put into comprehensive immersion in the slurry that viscosity is 40～50Pa s, takes out at its table
It is that 10～16 purposes do not carry out powder till no longer gluing powder that face sprinkles granularity mesh number, and then hardening more than 1 hour air-dries 20～30
Minute formed four stratotype shells；
Step (6): four stratotype shells are put into comprehensive immersion in the slurry that viscosity is 40～50Pa s, takes out at its table
It is that 10～16 purposes do not carry out powder till no longer gluing powder that face sprinkles granularity mesh number, and then hardening more than 1 hour air-dries 20～30
Minute formed five stratotype shells；
Step (7): five stratotype shells are toasted in low temp. electric oven until by complete for the wax in the shell demoulding, baking temperature
It it is 150～200 DEG C；
Step (8): carry out calcining 4～5 hours at temperature is 800～830 DEG C by the shell after dewaxing；
Step (9): after having calcined, injects copper water in shell and casts, the most i.e. form copper casting product.
In technique scheme, in described step (1), the density of waterglass is 1.3～1.32g/cm3, modulus be 3～
3.4；The described granularity mesh number not carrying out powder is 325 mesh.The slurry being configured under the conditions of this has preferable viscosity, when cere soaks
Cere surface can be attached to the most quickly, be uniformly dispersed, it is easy to air-drying hardening, the shell smooth surface of formation is smooth.
In technique scheme, in described step (6), the temperature of copper water controls at 1080～1100 DEG C.Copper coolant-temperature gage is not
The most too high, prevent shell from being deformed by high temperature cabonization.
The present invention also can control each process conditions on the basis of five stratotype shells and carry out multilamellar shell casting.
Embodiment 1
Taking 5kg density is 1.3g/cm3, modulus be 3.4 waterglass and 5kg 325 purpose do not carry out powder mixed preparing pulping
Material, stirs；The cere mould organized is put into 360 degree of rotations in the slurry that viscosity is 20Pa s and carries out comprehensive immersion,
Taking out and sprinkling granularity mesh number on its surface is that 120 purposes do not carry out powder till no longer gluing powder, and then hardening 1～5 minute air-dries
Within 20～30 minutes, form a stratotype shell；One stratotype shell is put into comprehensive immersion in the slurry that viscosity is 15Pa s, takes out at it
It is that 60 purposes do not carry out powder till no longer gluing powder that surface sprinkles granularity mesh number, and then hardening 5～10 minutes air-dry 20～30 points
Bell one-tenth two stratotype shell；Two stratotype shells are put into comprehensive immersion in the slurry that viscosity is 30Pa s, takes out and sprinkle on its surface
Granularity mesh number is that 30 purposes do not carry out powder till no longer gluing powder, and then hardening 10～30 minutes air-dry 20～30 minutes and formed
Three stratotype shells；Three stratotype shells are put into comprehensive immersion in the slurry that viscosity is 40～50Pa s, takes out and sprinkle grain on its surface
Degree mesh number is that 10～16 purposes do not carry out powder till no longer gluing powder, and then hardening more than 1 hour air-dries 20～30 minutes and formed
Four stratotype shells；Four stratotype shells are put into comprehensive immersion in the slurry that viscosity is 40～50Pa s, takes out and sprinkle grain on its surface
Degree mesh number is that 10～16 purposes do not carry out powder till no longer gluing powder, and then hardening more than 1 hour air-dries 20～30 minutes and formed
Five stratotype shells；Five stratotype shells are toasted in low temp. electric oven until by complete for the wax in the shell demoulding, baking temperature be 150～
200℃；Carry out calcining 4～5 hours at temperature is 800～830 DEG C by the shell after dewaxing；After having calcined, note in shell
Entering copper water to cast, the most i.e. form copper casting product, after five shells processed, investment shell intensity is high, compactness and breathing freely
Property preferable, fire resistance and thermo-chemical stability, hardness is high, can not deform and shattered crack through the casting of at least 15 foundry goods
Breakage, the copper casting surface after casting is smooth, clean mark, precision are high, and the finished product rate obtained reaches 99%, whole work
Sequence is simple to operate, low cost.
Embodiment 2
Taking 5kg density is 1.32g/cm3, modulus be 3 waterglass and 6kg 325 purpose do not carry out powder mixed preparing pulping
Material, stirs；Shell processed and copper casting step are with embodiment 1, and after five shells processed, investment shell intensity is high, compactness and breathability
Preferably, fire resistance and thermo-chemical stability, hardness is high, can not deform through the casting of at least 10 foundry goods and shattered crack is broken
Damaging, the copper casting surface after casting is smooth, clean mark, precision are high, and the finished product rate obtained reaches 99%, whole operation
Simple to operate, low cost.
Embodiment 3
Taking 5kg density is 1.31g/cm3, modulus be 3.2 waterglass and 5.5kg 325 purpose do not carry out powder and be hybridly prepared into
Slurry, stirs；Shell processed and copper casting step are with embodiment 1, and after five shells processed, investment shell intensity is high, compactness and ventilative
Property preferable, fire resistance and thermo-chemical stability, hardness is high, can not deform and shattered crack through the casting of at least 10 foundry goods
Breakage, the copper casting surface after casting is smooth, clean mark, precision are high, and the finished product rate obtained reaches 99%, whole work
Sequence is simple to operate, low cost.
The above is only presently preferred embodiments of the present invention, and not the technical scope to the present invention makes any limit
System, therefore every any trickle amendment, equivalent variations and modification above example made according to the technical spirit of the present invention, all
In the range of still falling within technical scheme.
Claims (3)
1. a Lost Wax Casting shell waters cast copper production method, it is characterised in that comprise the following steps:
Step (1): waterglass and Mo Lai powder with weight ratio as 1:1～1.2 are configured to slurry；
Step (2): the cere mould organized is put into comprehensive immersion in slurry, slurry viscosity is 20Pa s, takes out at its table
It is that 120 purposes do not carry out powder till no longer gluing powder that face sprinkles granularity mesh number, and then hardening 1～5 minute air-dries 20～30 minutes
Form a stratotype shell；
Step (3): a stratotype shell is put into comprehensive immersion in the slurry that viscosity is 15Pa s, takes out and sprinkles grain on its surface
Degree mesh number is that 60 purposes do not carry out powder till no longer gluing powder, and then hardening 5～10 minutes air-dry 20～30 minutes and form two layers
Shell；
Step (4): two stratotype shells are put into comprehensive immersion in the slurry that viscosity is 30Pa s, takes out and sprinkles grain on its surface
Degree mesh number is that 30 purposes do not carry out powder till no longer gluing powder, and then hardening 10～30 minutes air-dry 20～30 minutes and form three
Stratotype shell；
Step (5): three stratotype shells are put into comprehensive immersion in the slurry that viscosity is 40～50Pa s, takes out and spreads on its surface
Upper granularity mesh number is that 10～16 purposes do not carry out powder till no longer gluing powder, and then hardening more than 1 hour air-dries 20～30 minutes
Form four stratotype shells；
Step (6): four stratotype shells are put into comprehensive immersion in the slurry that viscosity is 40～50Pa s, takes out and spreads on its surface
Upper granularity mesh number is that 10～16 purposes do not carry out powder till no longer gluing powder, and then hardening more than 1 hour air-dries 20～30 minutes
Form five stratotype shells；
Step (7): five stratotype shells are toasted in low temp. electric oven until by complete for the wax in the shell demoulding, baking temperature is
150～200 DEG C；
Step (8): carry out calcining 4～5 hours at temperature is 800～830 DEG C by the shell after dewaxing；
Step (9): after having calcined, injects copper water in shell and casts, the most i.e. form copper casting product.
2. Lost Wax Casting shell as claimed in claim 1 waters cast copper production method, it is characterised in that: in described step (1), water
The density of glass is 1.3～1.32g/cm3, modulus is 3～3.4；The described granularity mesh number not carrying out powder is 325 mesh.
3. Lost Wax Casting shell as claimed in claim 1 waters cast copper production method, it is characterised in that: in described step (6), copper
The temperature of water controls at 1080～1100 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610784223.0A CN106238681A (en) | 2016-08-31 | 2016-08-31 | Lost Wax Casting shell waters cast copper production method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610784223.0A CN106238681A (en) | 2016-08-31 | 2016-08-31 | Lost Wax Casting shell waters cast copper production method |
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| Publication Number | Publication Date |
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| CN106238681A true CN106238681A (en) | 2016-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610784223.0A Pending CN106238681A (en) | 2016-08-31 | 2016-08-31 | Lost Wax Casting shell waters cast copper production method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113953453A (en) * | 2021-10-22 | 2022-01-21 | 泰州华丰精密铸造有限公司 | Precision casting process for eliminating scab iron |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1175487A (en) * | 1996-12-04 | 1998-03-11 | 李建增 | Method for producing cloisonne enamel copper pattern by lost wax casting |
| CN101670418A (en) * | 2009-10-20 | 2010-03-17 | 莱芜市泰钢新材料有限责任公司 | Shell making process for elongated hole flange investment casting |
| JP2014073504A (en) * | 2012-10-02 | 2014-04-24 | Okazaki Huttenes-Albertus Chemicals Co Ltd | Mold wash for casting |
| CN105014004A (en) * | 2014-04-30 | 2015-11-04 | 江苏万恒铸业有限公司 | Optimized technology for manufacturing water glass shell |
| CN105499498A (en) * | 2015-11-28 | 2016-04-20 | 武汉精英聚园科技有限公司 | Method for manufacturing investment casting shell |
-
2016
- 2016-08-31 CN CN201610784223.0A patent/CN106238681A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1175487A (en) * | 1996-12-04 | 1998-03-11 | 李建增 | Method for producing cloisonne enamel copper pattern by lost wax casting |
| CN101670418A (en) * | 2009-10-20 | 2010-03-17 | 莱芜市泰钢新材料有限责任公司 | Shell making process for elongated hole flange investment casting |
| JP2014073504A (en) * | 2012-10-02 | 2014-04-24 | Okazaki Huttenes-Albertus Chemicals Co Ltd | Mold wash for casting |
| CN105014004A (en) * | 2014-04-30 | 2015-11-04 | 江苏万恒铸业有限公司 | Optimized technology for manufacturing water glass shell |
| CN105499498A (en) * | 2015-11-28 | 2016-04-20 | 武汉精英聚园科技有限公司 | Method for manufacturing investment casting shell |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113953453A (en) * | 2021-10-22 | 2022-01-21 | 泰州华丰精密铸造有限公司 | Precision casting process for eliminating scab iron |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20190910 Address after: 435100 Room 402, Unit 2, 20 Building No. 18, Binhu District, Jinyang Road, Daye City, Huangshi City, Hubei Province Applicant after: Hubei Tongqian Culture and Art Sculpture Co., Ltd. Address before: 435100 Huangshi City, Hubei city of Daye Province in the seven world road Applicant before: DAYE SHIKAI ARTS & CRAFTS BRONZE CASTING CO., LTD. |
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Application publication date: 20161221 |
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