Different types of molding and casting

Posted by Anu Singh on November 3rd, 2014

Plastic extrusion parts are highly manufacturing parts in centre, in which raw material is melted and formed into continues profile. Extrusion produces parts such as pipe/tubing, weather stripping, fencing, deck railings, window frames, plastic films and sheeting, thermoplastic coatings and wire insulation.

One of the most efficient and cost-effective ways of decorating a part is to do it during the molding cycle is In Mold Decoration. Its benefit includes deign flexibility, multiple colors and effects, textures with single operation, long lasting graphics and manufacturing productivity and also know as Film Insert Molding. It contains four steps in this process-Printing, Forming, Cutting and Molding.

Insert Molding combines metal and plastics or multiple combinations of materials and components into a single unit. The use of this process is to improved wear resistance, tensile strength and weight reduction as well as using metallic materials for strength and conductivity.

A wide variety of fabrications of plastic parts are manufactured by using injection molding process. This process requires the use of an injection molding machine, raw plastic material and a mold. The plastics melted in the machine and then injected into the mold, where it cools and solidifies into the final part.

Highly skilled mold maker are engaged in centre to make molds for use in metal working and other manufacturing. They work to cast products from metals such as aluminum and iron cast.

A manufacturing process in which a wax pattern is coated with a refractory ceramic material is known as Investing Casting. Once the ceramic material is hardened its internal geometry takes the shape of casting. The wax is melted out and molten metal is poured into the cavity where the wax pattern was. The metal solidifies within the ceramic mold and then the metal casting is broken out.

For low volume production of plastic parts Reaction injection molding is the best alternative. It includes car bumpers, electronic enclosures and panel for medical components.

A part which is made of mold that provides a lateral connection to the hydrant lead and directs the flow vertically upward into the lower barrel is Hydrant part. Yard, Fire, Merrill, Mueller are different types of Hydrant parts.

Plastic molding is the process of shaping plastic using a rigid frame or mould. The technique allows for the creation of objects of all shapes and sizes with huge design flexibility for both simple and highly complex designs.