CN115319020A - Wax pattern production process based on metal sculpture - Google Patents
Wax pattern production process based on metal sculpture Download PDFInfo
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- CN115319020A CN115319020A CN202210921791.6A CN202210921791A CN115319020A CN 115319020 A CN115319020 A CN 115319020A CN 202210921791 A CN202210921791 A CN 202210921791A CN 115319020 A CN115319020 A CN 115319020A
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- sculpture
- wax
- mould
- metal
- gypsum
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C7/00—Patterns; Manufacture thereof so far as not provided for in other classes
- B22C7/02—Lost patterns
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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
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention discloses a wax pattern production process based on a metal sculpture, which comprises the following steps: the first step is as follows: model carving, namely re-creating a metal sculpture according to the height, width, length, arc and other data of a design draft graph by a sculptor on the basis of the design draft, and then manufacturing clay sculpture; the second step is that: opening the mould, coating a layer of silica gel on the outer surface of the original mould made of clay sculpture, wherein the silica gel is soft, pasting gauze on the outer surface of the original mould, and finally fixing the original mould by using the gypsum; the third step: and (3) pouring a wax pattern, stripping the silica gel from the original mould, and injecting molten paraffin into the formed cavity to obtain the wax pattern with the same pattern. The invention can realize the molding processing of the metal sculpture by the whole method for casting the metal sculpture by the lost wax method, and reduces the steps of mechanical processing.
Description
Technical Field
The invention relates to the technical field of metal sculptures, in particular to a wax pattern production process based on a metal sculpture.
Background
The lost wax method or lost wax casting method is a production process in ancient China, and the modern method is still a method for presenting the most exquisite details of metal products, the products are often difficult to manufacture due to very complicated design, and the lost wax method can enable any metal to completely and faithfully reproduce the appearance of a wax mould.
Therefore, this method is still widely adopted in the fields of sculpture, jewelry processing, dentistry and industrial restoration, and the lost wax method is very demanding and costly, but it gives a return to the craftsman on the delicacy and originality of the finished product.
According to the technical scheme, the method comprises the steps of firstly, manually molding clay by sculpture mud to form clay sculpture, coating liquid silica gel on the clay sculpture, cooling the liquid silica gel to form a silica gel mold, pouring molten wax into the silica gel mold, solidifying the wax liquid to form the wax molds, splicing the wax molds with different shapes together to form the wax mold of the whole metal sculpture, hanging sand on the surface of the wax mold, roasting, melting the wax mold to form a mold shell, pouring the metal liquid into the mold shell, solidifying and molding the metal liquid, breaking the mold shell to form the complete metal sculpture, repairing, polishing, sandblasting and coloring the surface of the metal sculpture, manually molding in the processing process to mold a fine and unique handicraft, and only melting the wax mold when the wax mold is molten, simple demolding and convenient to operate.
At present, floating dust is easily generated in a working environment in a finishing treatment link of a wax pattern pouring process of a lost wax method, and respiratory diseases such as lung dust diseases and the like are easily generated when workers work in the environment for a long time.
Disclosure of Invention
The invention aims to provide a wax pattern production process based on a metal sculpture, which aims to solve the problem of correction treatment of metal castings.
In order to achieve the purpose, the invention provides the following technical scheme: a wax pattern production process based on a metal sculpture comprises the following steps:
the first step is as follows: model carving, namely re-creating a metal sculpture according to the height, width, length, arc and other data of a design draft graph by a sculptor on the basis of the design draft, and then manufacturing clay sculpture;
the second step is that: opening the mould, coating a layer of silica gel on the outer surface of the original mould made of clay sculpture, wherein the silica gel is soft, pasting gauze on the outer surface of the original mould, and finally fixing the original mould by using the gypsum;
the third step: pouring a wax mould, stripping the silica gel from the original mould, and injecting molten paraffin into the formed cavity to obtain the wax mould with the same shape;
the fourth step: trimming the wax mould, wherein mould lines of the mould and little damage can be left on the surface of the wax mould, and simple treatment is carried out through polishing or manual cutting;
the fifth step: planting, namely stringing a plurality of wax modules, pouring gypsum, vacuumizing (preventing bubbles), baking in an oven, forming a mature gypsum film shell by the gypsum, melting wax and flowing out to finally form a hollow gypsum mold shell;
and a sixth step: pouring molten copper into a gypsum mould shell, cooling, then putting the mould shell into water for cleaning, and cleaning calcined gypsum to obtain a rough blank body of the metal sculpture;
the seventh step: the method comprises the steps of trimming and treating a copper sculpture cast, wherein sand blasting, cleaning, cutting, grinding, heat treatment, shaping, machining and polishing are carried out on the cast metal sculpture.
Eighth step: the method comprises the following steps of (1) environmental treatment, namely, in the step of correcting or treating the metal sculpture, a dust remover is additionally arranged beside a working position of the metal sculpture, and the dust remover is used for sucking and collecting the floating dust generated in the processing process, so that workers are prevented from sucking into a respiratory tract;
the ninth step: surface effect treatment and protection, namely performing wax polishing protection and polishing on the copper carving surface with the required effect.
Preferably, the gypsum in the second step is prepared from gypsum powder and warm water according to the weight ratio of 2.2:1.5 in proportion.
Preferably, the operating temperature in the third step does not exceed 28 degrees.
Preferably, the setting time in the third step is not less than 4 hours.
Preferably, the baking time of the fifth step is 6 to 8 hours.
Preferably, the cleaning treatment in the seventh step requires brushing with a soft brush, and a high-pressure water gun is prohibited.
Preferably, the dust remover in the eighth step is a vertical dust remover.
Preferably, the surface effect treatment in the ninth step includes any one of gilding, painting, and thermal coloring.
Preferably, the waxing process in the ninth step is mainly machine-based, so that the problem of uneven manual waxing is avoided.
Preferably, after the polishing process in the ninth step is finished, air is continuously blown for 15 minutes by a fan under a working environment of 25 degrees.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention can realize the molding processing of the metal sculpture by the whole method for casting the metal sculpture by the wax-loss method, and reduces the steps of mechanical processing.
2. According to the invention, through the correction processing link and the surface processing link, the dust collector is adopted for dust collection, so that the influence of floating dust in the working environment on the respiratory tract of workers can be reduced.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example I
A wax pattern production process based on metal sculptures comprises the following steps:
the first step is as follows: model carving, namely re-creating a metal sculpture according to the height, width, length, arc and other data of a design draft graph by a sculptor on the basis of the design draft, and then manufacturing clay sculpture;
the second step is that: opening the mould, coating a layer of silica gel on the outer surface of the original mould made of clay sculpture, wherein the silica gel is soft, pasting gauze on the outer surface of the original mould, and finally fixing the original mould by using the gypsum;
the third step: pouring a wax mold, stripping the silica gel from the original mold, and injecting molten paraffin into the formed cavity to obtain the wax mold with the same shape;
the fourth step: trimming a wax mould, wherein mould lines and a little damage of the mould can be remained on the surface of the wax mould, and simple treatment is carried out through polishing or manual cutting;
the fifth step: planting, namely stringing a plurality of wax modules, pouring gypsum, vacuumizing (preventing bubbles), baking in an oven, forming a mature gypsum film shell by the gypsum, melting wax and flowing out to finally form a hollow gypsum mold shell;
and a sixth step: pouring molten copper into a gypsum mould shell, cooling, then putting the mould shell into water for cleaning, and cleaning calcined gypsum to obtain a rough blank body of the metal sculpture;
the seventh step: the method comprises the following steps of trimming and treating a copper sculpture casting, wherein the metal sculpture cast by the method comprises the steps of sand blasting, cleaning, cutting, grinding, heat treatment, shaping, machining and polishing.
Eighth step: the method comprises the following steps of (1) environmental treatment, namely, in the step of correcting or treating the metal sculpture, a dust remover is additionally arranged beside a working position of the metal sculpture, and the dust remover is used for sucking and collecting the floating dust generated in the processing process, so that workers are prevented from sucking into a respiratory tract;
the ninth step: surface effect treatment and protection, namely performing wax polishing protection and polishing on the copper carving surface with the required effect.
The gypsum in the second step is prepared from gypsum powder and warm water according to the weight ratio of 2.2:1.5 in proportion.
This embodiment is used: briefly, the lost wax process is to make wax into a pattern of a required molding device, then to spray high temperature resistant fine slurry on the surface of the wax pattern, and to spread fine sand on the surface of the slurry, to form a complete molding shell, to dry and heat to melt out the wax to form a cavity for casting copper liquid (i.e. solution of red copper with metallic elements such as lead, zinc, tin), to finish casting, to remove the shell, polish and make the wax old, to finish the process.
Example II
The embodiment further illustrates the example 1, and a metal sculpture-based wax pattern production process comprises the following steps:
the first step is as follows: model carving, namely re-creating a metal sculpture according to the height, width, length, arc and other data of a design draft graph by a sculptor on the basis of the design draft, and then manufacturing clay sculpture;
the second step: opening the mould, coating a layer of silica gel on the outer surface of the original model made of the clay sculpture, wherein the silica gel is soft, and pasting gauze on the outer surface of the original model, and finally fixing the original model by using the gypsum;
the third step: pouring a wax mold, stripping the silica gel from the original mold, and injecting molten paraffin into the formed cavity to obtain the wax mold with the same shape;
the fourth step: trimming the wax mould, wherein mould lines of the mould and little damage can be left on the surface of the wax mould, and simple treatment is carried out through polishing or manual cutting;
the fifth step: planting, namely stringing a plurality of wax modules, pouring gypsum, vacuumizing (preventing bubbles), baking in an oven, forming a mature gypsum film shell by the gypsum, melting wax and flowing out to finally form a hollow gypsum mold shell;
and a sixth step: pouring the molten copper into a gypsum mould shell, cooling, putting the mould shell into water for cleaning, and cleaning calcined gypsum to obtain a rough blank of the metal sculpture;
the seventh step: the method comprises the following steps of trimming and treating a copper sculpture casting, wherein the metal sculpture cast by the method comprises the steps of sand blasting, cleaning, cutting, grinding, heat treatment, shaping, machining and polishing.
The eighth step: the method comprises the following steps of (1) environmental treatment, namely, in the step of correcting or treating the metal sculpture, floating dust is easily generated, a dust remover is additionally arranged beside a working position of the metal sculpture, and the floating dust generated in processing is sucked and collected through the dust remover, so that workers are prevented from being sucked into respiratory tracts;
the ninth step: surface effect treatment and protection, namely performing wax polishing protection and polishing on the copper carving surface with the required effect.
The gypsum in the second step is prepared from gypsum powder and warm water according to the weight ratio of 2.2:1.5 in proportion.
The operating temperature in the third step does not exceed 28 degrees.
The setting time in the third step is not less than 4 hours.
The baking time in the fifth step is 6-8 hours.
This embodiment is used: the size precision of the investment casting is higher and can generally reach CT4-6 (the precision casting of sand mold is CT10-13, and the precision casting of die casting is CT 5-7), and the size precision of the investment casting is influenced by more factors, such as the shrinkage of the mold material, the deformation of the investment mold, the linear quantity change of the mold shell in the heating and cooling processes, the shrinkage rate of alloy, the deformation of the casting in the solidification process and the like, so the size precision of the common investment casting is higher, but the consistency of the size of the casting adopting the medium-temperature wax material and the high-temperature wax material is still required to be improved.
When the investment pattern is pressed, the profiling mold with high surface smoothness of the mold cavity is adopted, so the surface smoothness of the investment pattern is higher, in addition, the mold shell is made by coating refractory coating prepared by high-temperature resistant special binder and refractory material on the investment pattern, and the surface smoothness of the mold cavity inner surface which is directly contacted with molten metal is high. Therefore, the surface smoothness of the investment casting is higher than that of the general precision casting, which can reach Ra.1.6-3.2 μm,
example III
The embodiment further illustrates other embodiments, a wax pattern production process based on metal sculptures, which comprises the following steps:
the first step is as follows: model carving, namely re-creating a metal sculpture according to the height, width, length, arc and other data of a design draft graph by a sculptor on the basis of the design draft, and then manufacturing clay sculpture;
the second step is that: opening the mould, coating a layer of silica gel on the outer surface of the original mould made of clay sculpture, wherein the silica gel is soft, pasting gauze on the outer surface of the original mould, and finally fixing the original mould by using the gypsum;
the third step: pouring a wax mold, stripping the silica gel from the original mold, and injecting molten paraffin into the formed cavity to obtain the wax mold with the same shape;
the fourth step: trimming a wax mould, wherein mould lines and a little damage of the mould can be remained on the surface of the wax mould, and simple treatment is carried out through polishing or manual cutting;
the fifth step: planting, forming a plurality of wax moulds into strings, pouring gypsum, vacuumizing (preventing bubbles), baking in an oven, forming the gypsum into a mature gypsum film shell, melting the wax and flowing out to finally form a hollow gypsum mold shell;
and a sixth step: pouring molten copper into a gypsum mould shell, cooling, then putting the mould shell into water for cleaning, and cleaning calcined gypsum to obtain a rough blank body of the metal sculpture;
the seventh step: the method comprises the following steps of trimming and treating a copper sculpture casting, wherein the metal sculpture cast by the method comprises the steps of sand blasting, cleaning, cutting, grinding, heat treatment, shaping, machining and polishing.
Eighth step: the method comprises the following steps of (1) environmental treatment, namely, in the step of correcting or treating the metal sculpture, floating dust is easily generated, a dust remover is additionally arranged beside a working position of the metal sculpture, and the floating dust generated in processing is sucked and collected through the dust remover, so that workers are prevented from being sucked into respiratory tracts;
the ninth step: surface effect treatment and protection, namely performing wax polishing protection and polishing on the copper carving surface with the required effect.
The gypsum in the second step is prepared from gypsum powder and warm water according to the weight ratio of 2.2:1.5 in proportion.
The operating temperature in the third step does not exceed 28 degrees.
The setting time in the third step is not less than 4 hours.
The baking time in the fifth step is 6-8 hours.
And cleaning by using a soft brush and forbidding using a high-pressure water gun in the seventh step of cleaning.
And the dust remover in the eighth step is a vertical dust remover.
The surface effect treatment in the ninth step includes one of gilding, color painting, and thermal coloring.
The waxing process in the ninth step is mainly machine, so that the problem of uneven manual waxing is avoided.
And after the polishing process in the ninth step is finished, continuously blowing for 15 minutes by a fan under the working environment of 25 ℃.
The lost wax precision casting is called precision investment casting, is a precision casting process with little or no cutting, is an excellent process technology in the precision casting industry, and is widely applied. It is not only suitable for the precision casting of various types and various alloys, but also can produce castings with higher dimensional precision and surface quality than other precision casting methods, and even castings which are difficult to cast by other precision casting methods, are complex, high temperature resistant and difficult to process can be cast by precision casting of an investment mold.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A wax pattern production process based on metal sculptures is characterized in that: the production process of the metal sculpture wax pattern comprises the following steps:
the first step is as follows: model carving, namely re-creating a metal sculpture according to the height, width, length, arc and other data of a design draft graph by a sculptor on the basis of the design draft, and then manufacturing clay sculpture;
the second step: opening the mould, coating a layer of silica gel on the outer surface of the original mould made of clay sculpture, wherein the silica gel is soft, pasting gauze on the outer surface of the original mould, and finally fixing the original mould by using the gypsum;
the third step: pouring a wax mold, stripping the silica gel from the original mold, and injecting molten paraffin into the formed cavity to obtain the wax mold with the same shape;
the fourth step: trimming the wax mould, wherein mould lines of the mould and little damage can be left on the surface of the wax mould, and simple treatment is carried out through polishing or manual cutting;
the fifth step: planting, namely stringing a plurality of wax modules, pouring gypsum, vacuumizing (preventing bubbles), baking in an oven, forming a mature gypsum film shell by the gypsum, melting wax and flowing out to finally form a hollow gypsum mold shell;
and a sixth step: pouring molten copper into a gypsum mould shell, cooling, then putting the mould shell into water for cleaning, and cleaning calcined gypsum to obtain a rough blank body of the metal sculpture;
the seventh step: the method comprises the following steps of trimming and treating a copper sculpture casting, wherein the metal sculpture cast by the method comprises the steps of sand blasting, cleaning, cutting, grinding, heat treatment, shaping, machining and polishing.
Eighth step: the method comprises the following steps of (1) environmental treatment, namely, in the step of correcting or treating the metal sculpture, a dust remover is additionally arranged beside a working position of the metal sculpture, and the dust remover is used for sucking and collecting the floating dust generated in the processing process, so that workers are prevented from sucking into a respiratory tract;
the ninth step: surface effect treatment and protection, namely performing wax polishing protection and polishing on the copper carving surface with the required effect.
2. The process for manufacturing a wax pattern on the basis of a metal sculpture, according to claim 1, wherein: the gypsum in the second step is prepared from gypsum powder and warm water according to the weight ratio of 2.2:1.5 in proportion.
3. The process for manufacturing a wax pattern based on a metal sculpture, according to claim 1, wherein: the operating temperature in the third step does not exceed 28 degrees.
4. The process for manufacturing a wax pattern based on a metal sculpture, according to claim 1, wherein: and the setting time in the third step is not less than 4 hours.
5. The process for manufacturing a wax pattern based on a metal sculpture, according to claim 1, wherein: the baking time in the fifth step is 6-8 hours.
6. The process for manufacturing a wax pattern based on a metal sculpture, according to claim 1, wherein: and cleaning by using a soft brush and forbidding using a high-pressure water gun in the seventh step.
7. The process for manufacturing a wax pattern based on a metal sculpture, according to claim 1, wherein: and the dust remover in the eighth step is a vertical dust remover.
8. The process for manufacturing a wax pattern based on a metal sculpture, according to claim 1, wherein: the surface effect treatment in the ninth step includes any one of gilding, color painting, and thermal coloring.
9. The process for manufacturing a wax pattern based on a metal sculpture, according to claim 1, wherein: and the waxing process in the ninth step is mainly performed by a machine, so that the problem of unevenness of manual waxing is avoided.
10. The process for manufacturing a wax pattern based on a metal sculpture, according to claim 1, wherein: and after the polishing process in the ninth step is finished, continuously blowing for 15 minutes in a 25-DEG working environment through a fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210921791.6A CN115319020A (en) | 2022-08-02 | 2022-08-02 | Wax pattern production process based on metal sculpture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210921791.6A CN115319020A (en) | 2022-08-02 | 2022-08-02 | Wax pattern production process based on metal sculpture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115319020A true CN115319020A (en) | 2022-11-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210921791.6A Pending CN115319020A (en) | 2022-08-02 | 2022-08-02 | Wax pattern production process based on metal sculpture |
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| CN (1) | CN115319020A (en) |
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2022
- 2022-08-02 CN CN202210921791.6A patent/CN115319020A/en active Pending
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