What are the processing techniques of cast bronze sculpture handicrafts?

1.Design scheme and clay sculpture production: first of all, the drawings are designed according to the overall concept of the sculpture, and then a complete clay draft is made with sculpture clay according to the designed plan. Cast bronze sculpture installation case display.

2.Mold reproduction: After the clay sculpture is completed, it is necessary to turn the mold, first turn out a FRP mold, and then make a silicone mold after repairing the whole thing.

3.Wax type casting: Pour the melted paraffin wax into the silicone mold that has been made, and wait for the paraffin wax to cool down to become a wax type. The wax model is then trimmed.

4.Shell making: There are two kinds of shell making, like mold reproduction

One is precision casting, and the other is resin sand box making. For small or complex sculptures, we should choose precision casting, and sand box production is generally suitable for simple glossy surfaces without much craftsmanship. Pour the outside of the wax model with mortar, repeat the pouring until the mortar completely wraps the wax model to a certain thickness, and dry the wax model wrapped in the mortar.

This shell is then put into a furnace and heated until the paraffin inside melts, which is traditionally known as the lost wax method.

5.Casting and grinding: Copper is converted into copper water in a high-temperature environment and poured into the finished shell or sand box, and then the riser is polished.

6.Splicing and forming: put the polished copper sculpture together to form a complete whole, and when this step is completed, we can basically see the general appearance of the cast bronze sculpture.

7.Product casting trimming and treatment: sandblasting and cleaning, grinding, shaping, machining, polishing, etc. post-processing;

8.Surface effect treatment and protection: Coloring is usually divided into cold and hot color. According to the author's requirements, the surface of the copper sculpture is colored, and the effect required for the surface treatment of the cast copper is to achieve the perfect unity of shape and color.

9.Oiling and sealing wax: After cleaning the weld and surface coloring, the next step is to oil and seal the wax, which can keep the sculpture new for a long time.

Cast copper sculpture handicrafts are first smelted into a liquid that meets certain requirements, and then the liquid is poured into a pre-made model, which is cooled and solidified and cleaned to obtain a predetermined shape and size of the casting process.

The processing process mainly includes: shaping, reproducing the negative mold, reproducing the male mold, and then using plastic clay products to convert to gypsum and glass fiber reinforced plastic for shaping, and finally casting the processing process.

In the process of casting bronze sculptures, St. Hima also strictly follows these processes to produce.

Cast copper sculpture is a casting process that uses copper as the main raw material, smelts metal copper into a liquid that meets certain requirements and pours it into a pre-made model, and then cools and solidifies and cleans it to obtain a predetermined shape and size.

The first is the shaping of the clay sculpture, then the reverse mold, and then the male mold, which is actually a process of material conversion, that is, from plastic clay products to gypsum and FRP for shaping, and finally casting. Each cast bronze sculpture is made through at least 11 intricate and rigorous processes, which show traces of traditional craftsmanship.

Basic Machining Process Sequence:

1. Clay sculpture. 2. Silicone mold opening.

3. Make a resin prototype.

4. Trim the resin embryo body.

5. Remake the silicone mold (make the trimmed resin body into a silicone mold again) 6. Make a paraffin prototype.

7. Wax prototype trimming.

8. Sand mold production.

9. Casting. 10. Trimming and processing of product castings.

11. Surface effect treatment and protection.

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Cast bronze sculpture: cast bronze sculpture has a history of thousands of years, generally using the lost wax method casting, simply put, it is to smelt copper (brass, copper, bronze) in a high-temperature furnace into a liquid that meets certain requirements, and then poured into the mold casting mold, after cooling and solidification, cleaning treatment to obtain the same shape and size of the mold copper sculpture artwork;

Wrought copper sculpture: wrought copper is a process different from cast copper, is to create on the copper plate, the use of copper plate after heating the texture becomes soft, hammered and then restored hard characteristics, repeat this process, and finally produce wrought copper relief, wrought copper sculpture and other round carving works of art or other life, industrial supplies, wrought copper sculpture compared to cast copper sculpture materials are more strict, with copper plate as the main raw material, with steel skeleton support, some complex sculptures need to make a one-to-one mold for forging, Some simple coding trace beats can be forged according to the release skeleton.

Cast bronze sculpture production bai process flow du

Cheng A, the design plan is deepened and the production of the clay sculpture dao small draft back b, the clay sculpture is enlarged in proportion, and the clay sculpture is made on a one-to-one basis.

c. Copy the one-to-one model of polyester material, cast one-to-one copper shape according to the polyester material model, and divide it into multiple pieces for easy transportation and hoisting.

d. On-site assembly, shaping, treatment of welds and chemical treatment of color.

The production process of cast bronze sculpture is also very complicated, and the following will explain the production process of Luoyang cast bronze sculpture plate, so that everyone has an understanding of cast bronze sculpture.

The history of bronze sculpture casting is very long, and the technology is mature. The process of casting copper is more complex than that of wrought copper, and the restoration of artistic creation is good, so it is suitable for becoming a material for fine works, and is very popular with artists, especially figure sculptures.

In addition to all the materials and tools required for copper forging, copper casting also requires more equipment such as furnaces and cranes, as well as zinc, lead, tin and other ingredients. It is also necessary to turn the sand or lose the material for the wax mold.

Cast copper needs to be made of other materials of equal size sculpture modeling, open mold and copy. Cast bronze sculpture and cast bronze sculpture on the basis of FRP sculpture, can be regarded as a further extension of FRP sculpture, it needs gypsum or FRP sculpture on the basis of the finished product as a casting abrasive. Complete the gypsum or FRP finished products and send them to a professional foundry for secondary sand casting.

After the completion of the FRP sculpture, a special person is responsible for supervising the casting process to ensure the artistic quality of the sculpture.

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Tang County bronze carving manufacturers.

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Clay sculpture self-study introductory course.

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In the city we live in now, we can always see copper sculptures on many occasions, which are like solidified **, standing in all corners of the city. No mistake is that the bronze sculpture is not only exquisite, but also has a unique style and has a high appreciation value. But how much do you know about copper sculptures?

Characteristics and process of copper sculpture process

Copper casting process

When it comes to copper sculpture craftsmanship, it's a lot of knowledge. Modern copper sculptures are divided into cast copper sculptures and wrought copper sculptures according to the way of casting copper. For cast bronze sculptures, it mainly uses a kind of mold called refractory gypsum mold and sand mold that is very resistant to high temperatures, and some molds have inner and outer layers, so that we can pour copper water from the skylight into the mold, and finally cool down after a few days.

The products manufactured by the copper casting process are strong and corrosion-resistant, and the life is longer than other processes, but the disadvantage is that the weight is too large and the cost is also high.

Wrought copper process

The process of forging copper is to make a mold first, and then fix it in a certain position with special adhesive, when we heat the copper plate, we will find that the texture of the copper plate becomes soft, at this time first with a hammer, then shaped, and then beaten, repeated several times can be formed. If the copper plate is heated again when it has not yet been formed, it can be forged again, but the number of forging again is best not to exceed three times, and when the final molding is completed, it is placed in the copper sulfate for soaking, so that we can get our own satisfactory artwork.

The main points of modern commercial copper carving

First of all, we want the customer to determine or provide the reference pattern of the sculpture, and then let the clay sculptor shape the clay model according to the customer's requirements, when the clay model is confirmed by the customer, then remake the mold, and start to pour the wax prototype fetal membrane, and finally bake the shell and dewax. At this point, we can start firing the copper water, and when the copper water cools down and then breaks the shell, we can see the finished copper product.

Having said so much, I believe that we have a very clear understanding of the process characteristics and process of copper sculpture, you know, and then the actual copper sculpture production process, must go through the indispensable twenty processes before it can be finally delivered, such a requirement is not only the inheritance of traditional handicraft production, but also the mystery of modern precision casting technology.

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Step 1: Gather footage. Provide an ideal copper carving style, and then make a 1:1 clay model, qualitatively prepared for the manufacturer, and then the manufacturer will modify it according to the small draft of the enlarged or reduced scale, and then the mold will be reproduced.

Step 2: Start making the "shell". The small pieces will be precision casting, and the wax model will be wrapped layer by layer with delicate quartz sand, and then the paraffin wax in the "shell" will be burned with high spine elimination.

Step 3: Casting link. At high temperature, the copper rod or copper ingot is turned into copper water, and then poured into the finished "shell" or sand box, and the copper water is disassembled to make the "shell" after cooling.

Step 4: Grinding and welding. The clear riser is polished, and then the polished copper carving is spliced, so that a rough bronze carving work appears.

Step 5: Processing. Surface coloring, copper coloring is to be based on customer requirements to determine the reputation of imitation, cast copper figure sculpture, some gold, some gilding, and some painting. Take the void.

Step 6: Oil and seal wax.

Shenzhen Xingju Copper Gate is a time-honored brand, specializing in customizing copper reliefs, copper doors and other products, and there are ten direct stores in the city.

The production method of the copper sculpture is explained in detail as follows:

Step 1: Design the drawings.

The design of the sculpture shape is first of all to design the drawings for the overall conception of the sculpture, and then cast the cast bronze sculpture according to the shape of the pattern.

Step 2: Make a clay sketch.

It is required to make a rough model according to the corresponding drawings, and the purpose of this is to facilitate the finalization. Also to find out that there are imperfections to make modifications.

Step 3: Mold reproduction.

Generally speaking, there are two kinds of molds: if it is not too complicated, it is reproduced with plaster. The other is a complex one, which is reproduced with silicone.

The reproduction mold is based on the complexity of the work to determine the scheme, the simpler works can be reproduced by plaster, and the more complex ones should be reproduced with silicone.

Step 4: Wax filling.

After the mold is remade, the melted paraffin wax is poured into the plaster mold or silicone mold that has been made, and the mold is disassembled after the paraffin wax cools, and the wax work is formed, which we call "wax casting".

Step 5: Make the shell.

Similarly, shell making is also to take two schemes, small pieces or complex we use fine quartz sand layer by layer to wrap the wax mold made, and then use high temperature to burn the wax inside the shell. The other is the production of resin sand box, which is generally suitable for simple, flat relief, large copper coins, the back of copper Buddha statues, and other glossy surfaces without much craftsmanship.

About the bronze sculpture

Copper sculpture production techniques are generally divided into forged copper and cast copper, cast copper sculpture: Yu Danzi uses copper as the main raw material, smelts the metal into a liquid that meets certain requirements and pours it into the casting mold, and after cooling and solidifying, cleaning and processing, it is a sculpture artwork made by casting technology with predetermined shape, size and performance.

Wrought copper sculpture: Wrought copper sculpture is more strict than cast copper sculpture materials, with copper plate as the main raw material, with steel skeleton support, some complex sculptures need to make a one-to-one mold for forging, and some simple shapes can be forged according to the cast-shaped skeleton.