Plastic products are very common in our daily lives. Cases for computers, mobile phones and electronics, daily household items, storage containers, automobile panels, furniture etc. are nearly all made of plastic. The method most often used to produce these products is a process called plastic injection. This article will address some of the key points that need to be taken into consideration during the plastic injection molding process, and what processes are required for injection molding. What is plastic injection? Plastic injection technology is used to manufacture a broad range of plastic products that we use daily. The principle of... Read More
Custom injection molding is the fabrication of plastic components using customized design specifications. This service is offered by many manufacturers of plastics. The pricing varies, depending on the type of project involved, but generally custom injection molding is more expensive than using standardized components. People can present manufacturers with their specifications and the number of components they need to get a pricing estimate. In injection molding, heated plastics are shot into a mold. As the plastic cools, it conforms to the shape of the mold and sets in place. The molds can be opened to release the components and they... Read More
An Application of Rapid prototyping is Rapid tooling, this an automatic fabrication of machine tools. Tooling is one of the most costly steps in the manufacturing process. Tools are often complex and need to be wear resistant for production. To meet these requirements, molds and dies are traditionally made by CNC machining, EDM or other methods. All traditional methods are expensive and time consuming; making rapid tooling prototyping the desired alternative. Many believe tooling and design cost may be cut by 50% to 70% by using rapid prototyping. RT Prototyping Rapid tooling is divided in two categories; indirect tooling and... Read More
There are many different types of prototype tools available for those hoping to construct their ideal prototypes. These range from the common to the complex, the everyday to the specialized. A person building a garage-type invention, for example, may use prototype tools consisting of a hammer, nails, screw driver, and so on. More complex inventions might require sophisticated technology or large machinery. Above and beyond the mechanical side of things is another possible interpretation of prototype tools. The technological boom has created a new range of software and technology products that also need to be prototyped. Sometimes, the tools used... Read More
Prototype tooling is a way of creating a prototype from a design or three-dimensional (3D) model; in many regards, it is the same as regular tooling. Traditional tooling techniques usually are used with prototype tooling, but 3D printing also can be used to form the prototype for some needs. While this is similar to regular tooling, there are differences in how the prototype is put together and its overall functionality. The tooling company is producing a small number of copies, so the per-copy rate is much higher than with regular tooling. Tooling is a method of working with materials in... Read More
Coinjection is an injection molding process in which different polymers are injected into the same mold to produce a specific effect. In many cases, the desired effects include changing the physical properties of the polymers or reducing production costs. This process is also known as sandwich molding. There are two types of coinjection processes: machine based and mold based. Each type offers its own specific advantages and applications. Machine based coinjection requires the use of two or more processing units. This is considered a cold-runner process. The molten plastic of each processing unit is forced through a manifold where it... Read More
There are many different types of prototype tools available for those hoping to construct their ideal prototypes. These range from the common to the complex, the everyday to the specialized. A person building a garage-type invention, for example, may use prototype tools consisting of a hammer, nails, screw driver, and so on. More complex inventions might require sophisticated technology or large machinery. Above and beyond the mechanical side of things is another possible interpretation of prototype tools. The technological boom has created a new range of software and technology products that also need to be prototyped. Sometimes, the tools used... Read More
Injection moulding is a manufacturing process that allows for parts to be produced in large volumes. It works by injecting molten materials into a mould (or ‘mold’ in the United States). It is typically used as a mass production process to manufacture thousands of identical items. Injection moulding materials include metals, glasses, elastomers and confections, although it is most commonly used with thermoplastic and thermosetting polymers. How does it Work? The first stage of injection moulding is to create the mould itself. Most moulds are made from metal, usually aluminium or steel, and precision machined to match the features of... Read More
In injecting molding processes, injection tooling consists of the metal mold and fixtures into which a material, such plastic, rubber or metal, is injected to produce parts. This tooling allows parts to be mass-produced at a relatively inexpensive per part cost. These parts are used in many industries, such as automotive, healthcare, and consumer goods. A bottle cap is an example of a part created from injection molded plastics. Injecting tooling is complicated and expensive to make. Custom injection molding and tooling is designed and built by skilled workers. When designing the tooling, elements such as the part’s material thickness,... Read More
Thermoplastic injection molding is a process used in manufacturing to create a variety of parts and components for industries ranging from aerospace to automotive to construction. Thermoplastics, such as phenolic and epoxy, are heated into a molten resin and then injected into a mold that’s usually made from aluminum, steel or a metal alloy. The molten plastic then gets compressed inside the mold and allowed to cool. Machines remove the plastic component or piece from the mold, and this hardened part can then be used to construct a larger product, such as a child’s toy or an automobile door. The... Read More
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