Decorative Casting Guide
Decorative casting is a very common method of castings that mostly deal with metals, stones, plastics, rubber, concrete, etc. Decorative casting can be either cold or heated and the detail specifications are subject to the requests of the end users.
They are mostly used for decorative purposes rather than being the main body of the structure or the machinery, so the decorative casting can be very complicated but flexible regarding their forms. Those decorative casting molds are made by professional experts or artists to make the whole part of the mold more aesthetical or fashionable.
Decorative Casting by Cold Casting Method
In the area of bricks, walls, and other household applications, designers and workers of decorative casting utilize these decorative casting items to decorate the household objects for different purposes, and have them fully finished in different phases.
Cold casting is a metal casting method based on die casting method that workers mix real metal powders such as brass, copper, aluminum, bronze, or other appropriate metal powders. Those used powders are later mixed with resin material and the mixture is poured into a mold or dies, in order to generate a protruding three dimensional casting object that looks like metals. The cold chamber space is not heated, so if compared with real metal casting achieved at foundries, cold casting metal casting process could reduce the expenses of costs and time consumption.
Resin materials are so critical to the cold casting that without this component, the entire process cannot be done. In the field of polymer chemistry, resin is a solid and viscous substance of synthetic origin that is often convertible into polymer materials. High viscosity is the basic nature of most resins, and this strong strength that can connect ingredients together is highly appraised by users in many different industrial sectors.
The selection of resin materials is highly customized and the process is done by experts, since the viscosity values of the resin and the corresponding physical and chemical parameters all interact with the metal powders as a whole. Experienced cold casting workers know how to deal with the resin issues as well as the process, and they will make the better usages of those viscose materials and effects.
Casting of materials such as metal is a very ancient technology humans acquired in history and the recorded oldest surviving casting site can be dated back to about 6800 years old in Asia. Metal casting is a production process in which a liquid-state material is usually poured into a mold-like cavity, which normally contains a hollow cavity of the desired shape profile. After pouring the liquid, the substance is then allowed to solidify. After that, the solidified part is known as a casting, which is ejected or broken out of the mold object items to complete the entire casting process.
Casting can be cold and heated, since the processes are based on the needs of the users. This section of the article mainly covers cold casting, which is similar to other cold forming methods that are conducted under normal room temperature value levels.
Decorative Casting by Hot Casting Method
For hot casting, this type of casting is a very ancient technology humans acquired in history and the recorded oldest surviving casting site can be dated back to about 6800 years old. Metal casting is a production process wherein a liquid-state material is normally poured into a mold that usually contains a hollow cavity of the designated shape. And upon pouring, the liquid is allowed to solidify. Afterwards, the solidified part, referred to as the casting, is then broken or ejected out of the mold to complete the casting process.
All the casting materials are usually metals or various time-setting materials that cure after mixing multiple components together. For example, concrete, epoxy, plaster and clay are perfect instances of the method. Casting is often used to make complex shaped materials that would otherwise be difficult or uneconomical to produce using other methods such as cutting. For decorative casting to be made based on the hot casting method, the conventional method as such can make the decorative casting full of patterns and various shapes of objects in the household and construction purposes.
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