Warpage analysis in injection moulding process

Effect of sulphidation process on the structure, morphology and optical properties of GO/AgNWs composites

“…4A , a minor absorption peak is evident at 220 nm, indicative of graphene oxide and associated with the π–π* transition of C–C bonds. 44 Furthermore, Fig. 4A illustrates the optical absorption spectrum of silver nanowires (AgNWs), exhibiting characteristic peaks at 353 nm and 390 nm, corresponding to the surface plasmon resonances of AgNWs.…”

A Simulation Study on Warpage Analysis of Injection Moulded Plastic Part

“…As placement of gates always remains visible on a moulded part so the aesthetic of the part needs to be considered. [8] In this case study best gate location analysis is carried out and as the part is uniform in shape it is found to be located in the centre of the base side. Figure 2 and Figure 3 show the injection mould tool and its cross-sectional view respectively.…”

“…Runners are passages that distribute molten material from sprue to gates around the cavity inside a mould. Runners slow down and smooth the outflow of liquid and are designed to provide approximate flow rates to various parts of mould cavity [8]. As there exist two types of runner system namely cold runner and hot runner, both these types of runner system are analyzed in this case.…”

“…After the opening of plates, the surface for moulding comes in contact with the environment and there is the chance to happen temperature drop in the mould. The difference in temperature in both mould plates may lead to warpage of part, also because of temperature Fiber L/D ratio drop material may not reach to corners of part and in this case, injecting pressure needs to be increased so this affects the quality of part [8].…”

“…In a hot runner system as cavity and core plates are at high temperature, melt reaches easily to fill the part, and thus it requires lower injection pressure. As melt front reaches the corners of part at high temperature, lower packing is required and as melt fronts meet at high temperatures, there are fewer chances of weld line [8].…”