What tools do you usually use to make foam sculptures? The tools you need are as follows:
Knife saw, chicken tail saw, art knife, voltage regulator, resistance wire, steel brush and sand.
Chengdu can be bought, but not in one place.
Ordinary ones can be bought at hardware stores.
Only the voltage regulator will be available in the electrical appliance market.
How to make plastic foam? EPS foam is a kind of thermoplastic material, which contains 3-6 million independent closed bubbles per cubic meter, and the volume of air is above 98%. Because the thermal conductivity of air is very small, and it is enclosed in foam and cannot convection, EPS is a very good heat insulation material.
First, the definition of plastic
Plastic is a polymer organic material with resin as the main component, which can be molded into a certain shape at a certain temperature and pressure, and can maintain the established shape at room temperature.
Resin refers to an organic polymer, which usually has a certain transformation or melting range when heated, and is transformed into a fluid under the action of external force, and is solid or semi-solid or liquid at room temperature. It is the most basic and important component in plastics. Broadly speaking, any polymer as the basic material of plastics in the plastic industry can be called resin.
Second, the classification of plastics
At present, there is no exact classification of plastics, which is roughly as follows: 1. According to the physical and chemical properties of plastics, thermoplastics: plastics that can be softened by repeated heating and hardened by cooling within a specific temperature range. Such as polyethylene plastic and polyvinyl chloride plastic.
Thermosetting plastics: plastics that solidify into insoluble materials due to heat or other conditions. Such as phenolic plastics, epoxy plastics and the like.
2. According to the use of plastic, choose a point.
General plastics:-Generally refers to plastics with large output, wide use, good formability and low price. Such as polyethylene, polypropylene, polyvinyl chloride, etc.
Engineering plastics:-Generally, it refers to plastics that can bear certain external forces, have good mechanical efficiency and dimensional stability, and can still maintain its excellent efficiency at high and low temperatures, and can be used as engineering structural parts. Such as ABS, nylon, alum and so on.
Special plastics:-Generally refers to plastics with special functions (such as heat resistance, self-lubrication, etc.). ) and applied to special requirements. Such as fluoroplastics and silicone.
3. According to the plastic molding method
Molded plastic: a mixture of resins used for molding. Such as ordinary thermosetting plastics.
Laminated plastics: refers to the fiber fabric impregnated with resin, which can be laminated and hot-pressed to form an integral material.
Injection, extrusion and blow molding of plastics: generally speaking, it refers to the resin mixing part that can melt and flow at the temperature of the barrel and harden rapidly in the mold. Such as ordinary thermoplastics.
Casting: a liquid resin mixture that can be poured into a mold without pressure or with a little pressure and hardened into a certain shape. Such as MC nylon.
Reaction injection molding compound: Generally speaking, it refers to the liquid raw material that is injected into the mold cavity under pressure to make it react and solidify to make the finished product. Such as polyurethane.
4. According to the plastic semi-finished products and finished products
Modeling powder: also known as plastic powder, it is mainly made of thermosetting resin (such as phenolic resin) and filler through full mixing, pressing and crushing. Such as phenolic plastic powder.
Reinforced plastic: a plastic whose material is reinforced and some mechanical properties are greatly improved compared with the original resin.
Foam: Plastic with many micropores on the whole.
Film: generally speaking, it refers to flat and soft plastic products with a thickness below 0. 2525mm. ..
Third, the basic efficacy of plastics.
1. Light weight and high specific strength. Plastics are light, and the density of general plastics is between 0.9 and 2.3g/cm3, only about 1/8 ~ 1/4 for steel and 1/2 for aluminum, while the density of various foamed plastics is lower, about 0.0 1 ~ 0.5g/cm3. The strength calculated by unit mass is called specific strength, and the specific strength of some reinforced plastics is close to or even exceeds that of steel. For example, the tensile strength per unit mass of alloy steel is 160 MPa, while the glass fiber reinforced plastic can reach 170~ 400 MPa.
2. Excellent electrical insulation performance. Almost all plastics have excellent electrical insulation properties, such as extremely small dielectric loss and excellent arc resistance, which are comparable to ceramics.
3. Excellent chemical stability. Generally speaking, plastics have good corrosion resistance to chemicals such as acid and alkali. In particular, PTFE has better chemical corrosion resistance than gold, and even can resist the corrosion of highly corrosive electrolytes such as aqua regia, so it is called "the king of plastics".
4. Good antifriction and wear resistance. Most plastics have excellent antifriction, wear resistance and self-lubricating properties. Many antifriction parts made of engineering plastics make use of these characteristics of plastics. Adding some solid lubricants and fillers to wear-resistant plastics can reduce the friction coefficient or further improve the wear-resistant efficiency.
5. Optical transmission and protection efficiency. Most plastics can be used as transparent or translucent products, among which polystyrene and acrylate plastics are as transparent as glass. The chemical name of plexiglass is polymethyl methacrylate, which can be used as aviation glass material. Plastic films such as polyvinyl chloride, polyethylene and polypropylene are widely used as agricultural films because of their good light transmittance and warmth retention. Plastic has many protective functions, so it is often used as protective articles, such as plastic films, boxes, barrels, bottles and so on.
6. Excellent damping and silencing effect. Some plastics are flexible and elastic. When they are subjected to frequent mechanical shocks and vibrations from the outside, viscous internal friction will occur inside, which will convert mechanical energy into heat energy. Therefore, they are used as damping and silencing materials in engineering. For example, bearings and teeth made of engineering plastics can reduce noise, and various foamed plastics are widely used as excellent damping and silencing materials.
The excellent properties of the above plastics make them widely used in industrial and agricultural production and people's daily life; It has become an indispensable material in modern life and cutting-edge industries from the past as a substitute for materials such as metal, glass, ceramics, wood and fiber.
Because air has a small thermal conductivity and is surrounded by foam plastic, EPS is a kind of heat insulation reinforced plastic: some mechanical properties are better than the original resin with reinforced materials. ..
How is the foam sculpture made? What about the color? It can be bonded with foaming agent, double-sided adhesive and styrofoam to increase the volume. All sharp knives, such as fruit knives, can be cut, hand saws can also be cut and scraped flat, sand skins can be grinded more finely, tire-patching files can be quickly polished flat, thermal fuses can be cut into large or small pieces of foam, thermal fuses can be fixed up and down, and the backing can be used like a table saw. . .
The color should be treated with water-based pigments (such as propylene pigments), not oily ones, otherwise it will burn out the foam.
What tools do you need to make foam sculptures? Wire brush, marker pen, tape measure, foam glue or good glue, gloves, hand saw, mask, voltage regulator, wire and sandpaper.
How to make foam sculpture? Benzene plate carving is different from traditional carving, which needs subtraction, cutting it with a knife and polishing the knife with different hacksaw blades. It has certain flexibility, is thin and sharp, and the density of benzene plate should be appropriate and the volume is not enough. After the carving is completed, the surface effect can be polished with different materials such as real stone paint.
How to make a beautiful foam sculpture? You can use rongte CNC numerical control foam cutting machine to do it
What kind of plastic is foam made of? There are many kinds of plastics, such as expanded polyethylene, expanded polystyrene and expanded polyurethane.
How is the foam toilet made? They are made of foam.