#core-cavity

Injection moulds are classified into two types based on runner design i.e. Cold runner moulds and Runner less moulds i.e. hot runner moulds. In cold runner moulds, for multi cavity and multi point injection moulds, there is wreckage of material in runner area. Also wastage of material is more than component weight. To overcome the above problem, the technique used is hot Runner moulds. Hot runner mould is one of the improved manufacturing techniques for multi cavity type moulds. These types of moulds are commonly used for large production rate. While producing plastic components using normal standard multi cavity mould, we are facing the problems like partial filling, cavities in components, less product quality, injection pressure and temperature reduction and war page etc. Thus we are redesigning the holder base by doing some modification in and this will be beneficial for our using purpose. We are making design of the component, mould flow analysis using software Solid works. 

Injection molding is a cyclic process of forming plastic into a desired shape by forcing the material under pressure into a cavity. The shaping is achieved by cooling (thermoplastics) or by a chemical reaction (thermosets). It is one of the most common and versatile operations for mass production of complex plastics parts with excellent dimensional tolerance. Injection molding is preferred where high tolerance, good quality and high rate productions are required. The aim of this paper is to model, extract core'“cavity and develop injection molding tool for manufacturing a plastic box and also to reduce its warpage Core'“Cavity design the mould flow analysis of the component is done using SOLIDWORK software. The tool will design to produce a good quality component considering the ease of manufacturability, assembly and positive ejection of the component. The tool design should match the machine specification and should be same for successful life of a component or product.